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Faculty

Marko Knezevic

in
Office: 
Kingsbury W119
Phone: 
603-862-5179

Credentials

Ph. D., Materials Science and Engineering, Drexel University, 2009
BS/MS Mechanical Engineering, University of Novi Sad, 2004

Prof. Knezevic joined the faculty of the Mechanical Engineering Department in Spring 2013. Prior to joining the department, he worked at Scientific Forming Technologies Corporation in Columbus, OH from 2009 to 2011 as a principal research scientist for development of the commercial finite-element software DEFORM used for analysis of manufacturing processes. After industrial experience, he was with the Materials Science and Technology Division at Los Alamos National Laboratory in Los Alamos, NM from 2011 to 2013 as the LANL Seaborg Institute Postdoctoral Fellow.

Research Areas

  • Physics-Based Multi-Scale Constitutive Models, Crystal Plasticity
  • Computational Mechanics, Finite Elements Analysis
  • Computational Methods for Microstructure-Property-Processing Linkages
  • Design and Manufacturing Processes
  • Mechanical Testing, Thermo-Mechanical Processing
  • Scanning Electron Microscopy, Orientation Imaging Microscopy

 

Publications

Journal Publications

  • M. Knezevic, J. S. Carpenter, M. L. Lovato, and R. J. McCabe, “Deformation behavior of the cobalt-based superalloy Haynes 25: Experimental characterization and crystal plasticity modeling,” Acta Materialia, in press.
  • M. Knezevic, R. J. McCabe, R. A. Lebensohn, C. N. Tomé, C. Liu, M. L. Lovato, and B. Mihaila, “Integration of self-consistent polycrystal plasticity with hardening law based on dislocation densities in finite-elements: application to low-symmetry metals,” Journal of the Mechanics and Physics of Solids, 61 (2013) 2034–2046.
  • M. Knezevic, I. J. Beyerlein, T. Nizolek, N. A. Mara, and T. M. Pollock, “Anomalous basal slip activity in zirconium under high-strain deformation,” Materials Research Letters, 1 (2013) 133–140.
  • M. Knezevic, I. J. Beyerlein, D. W. Brown, T. A. Sisneros, and C. N. Tomé, “A polycrystal plasticity model for predicting mechanical response and texture evolution during strain-path changes: application to beryllium,” International Journal of Plasticity, 49 (2013) 185-198.
  • M. Knezevic, R. J. McCabe, C. N. Tomé, R. A. Lebensohn, S. R. Chen, C.M. Cady, G. T. Gray III, and B. Mihaila, “Modeling mechanical response and texture evolution of α-uranium as a function of strain rate and temperature using polycrystal plasticity,” International Journal of Plasticity, 43 (2013) 70-84.
  • M. Knezevic, R.A. Lebensohn, O. Cazacu, B. Revil-Baudard, G. Proust, S. Vogel and M.E Nixon, “Modeling bending of α-titanium with embedded polycrystal plasticity in implicit finite elements,” Materials Science and Engineering A, 564 (2013) 116-126.
  • M. Knezevic, L. Capolungo, C. N. Tomé, R. A. Lebensohn, D. J. Alexander, B. Mihaila and    R. J. McCabe, “Anisotropic stress-strain response and microstructure evolution of textured α-uranium,” Acta Materialia, 60 (2012) 702-715.
  • M. Knezevic, B.K Chun, J.Y. Oh, W.T. Wu, R.A III Ress, M. Glavicic, and S. Srivasta, “Modeling machining distortion using the finite element method: Application to engine disk,” Transactions of the North American Manufacturing Research Institute of SME, 40 (2012) 40- 47.
  • M. Knezevic, A. Levinson, R. Harris, R. K. Mishra, R. D. Doherty and S. R. Kalidindi, “Deformation twinning in AZ31: Influence on strain hardening and texture evolution,” Acta Materialia, 58 (2010) 6230-6242.
  • H. F. Al-Harbi, M. Knezevic and S. R. Kalidindi, “Spectral approaches for the fast computation of yield surfaces and first-order plastic property closures for polycrystalline materials with cubic-triclinic textures,” Computers, Materials & Continua, 15 (2010) 153-172.
  • J. Shaffer, M. Knezevic and S. R. Kalidindi, “Building texture evolution networks for deformation processing of polycrystalline FCC metals using spectral approaches: Applications to process design for targeted performance,” International Journal of Plasticity, 26 (2010) 1183-1194.
  • S. R. Kalidindi, M. Knezevic, S. Niezgoda and J. Shaffer, “Representation of orientation distribution function and computation of first-order elastic bounds using fast Fourier transforms,” Acta Materialia, 57 (2009) 3916-3923.
  • B. S. Fromm, B. L. Adams, S. Ahmadi and M. Knezevic, “Grain size and orientation distributions: Application to yielding of α-titanium,” Acta Materialia, 57 (2009) 2339-2348.
  • M. Knezevic, S. R. Kalidindi and H. F. Al-Harbi, “Crystal plasticity simulations using discrete Fourier transforms,” Acta Materialia, 57 (2009) 1777-1784.
  • M. Knezevic, S. R. Kalidindi and D. T. Fullwood, “Computationally efficient database and spectral interpolation for fully plastic Taylor-type crystal plasticity calculations of face-centered cubic polycrystals,” International Journal of Plasticity, 24 (2008) 1264-1276.
  • M. Knezevic, S. R. Kalidindi and R. K. Mishra, “Delineation of first-order closures for plastic properties requiring explicit consideration of strain hardening and crystallographic texture evolution,” International Journal of Plasticity, 24 (2008) 327-342. 
  • T. Fast, M. Knezevic and S. R. Kalidindi, “Application of microstructure sensitive design to structural components produced from hexagonal polycrystalline metals,” Computational Materials Science, 43 (2008) 374-383.
  • H. K. Duvvuru, M. Knezevic, R. K. Mishra and S. R. Kalidindi, “Application of microstructure sensitive design to FCC polycrystals,” Materials Science Forum, 546 (2007) 675-680.
  • M. Knezevic and S. R. Kalidindi, “Fast computation of first-order elastic-plastic closures for polycrystalline cubic-orthorhombic microstructures,” Computational Materials Science, 39 (2007) 643-648.
  • X. Wu, G. Proust, M. Knezevic and S. R. Kalidindi, “Elastic–plastic property closures for hexagonal close-packed polycrystalline metals using first-order bounding theories,” Acta Materialia, 55 (2007) 2729-2737.
  • S. R. Kalidindi, H. K. Duvvuru and M. Knezevic, “Spectral calibration of crystal plasticity models,” Acta Materialia, 54 (2006) 1795-1804.

 

Book Chapters

  • C. S. Hartley, P. R. Dawson, D. E. Boyce, S. R. Kalidindi, M. Knezevic, C. N. Tomé, R. A. Lebensohn, S. L. Semiatin, T. J. Turner, and A. A. Salem, “A Comparison of Deformation Textures and Mechanical Properties Predicted by Different Crystal Plasticity Codes,” Materials Processing and Texture, John Wiley & Sons, Inc., ISBN: 9780470444191, ISBN-13: 9780470408346 (2008) 701-712.
  • B. S. Fromm, B. L. Adams, S. Ahmadi, and M. Knezevic, “Grain size and orientation distribution function of high purity α-titanium,” Materials Processing and Texture, John Wiley & Sons, Inc., ISBN: 9780470444191, ISBN-13: 9780470408346 (2008) 509-519.

 

Professor Yaning Li

in
Office: 
Kingsbury W111
Phone: 
603-862-4898

Credentials

Ph. D. – Naval Architecture and Marine Engineering, University of Michigan, Ann Arbor, 2007
Dual M.S. Aerospace Engineering, University of Michigan, Ann Arbor, 2006
M.S. Ocean Engineering, Shanghai Jiao Tong University, China, 2003
B.S. Ocean Engineering, Shanghai JiaoTong University, China, 2000

Prof. Li joined the Mechanical Engineering Department in Fall 2012. Before joining the department, Before joining the department, Prof. Li worked as a postdoctoral researcher at MIT in the departments of Mechanical Engineering and Materials Science Engineering. She received her Ph.D. from the University of Michigan, Ann Arbor. 

Research Areas

  • Bio-Inspired Engineering
  • Composite Materials
  • Solid Mechanics
  • Structure Mechanics
  • Fracture Mechanics
  • Instability
  • 3D Printing
  • Interfaces & Interphases

Publications

 

Papers in refereed journals

2013 Yaning Li, Narges Kaynia, Stephan Rudykh, and Mary C. Boyce, Wrinkling of interfacial layers in stratified composites, Advanced Engineering Materials (in press, will be featured in materials science news websites MaterialsViews.com and MaterialsViewsChina.com).

2013 Yaning Li, Christine Ortiz and Mary C. Boyce, A generalized mechanical model for suture interfaces of arbitrary geometry, Journal of Mechanics and Physics of Solids 61(4), 1144-1167. doi

2012 Juha Song*, Yaning Li*, Erica Lin, Matthew Wund, Sergio Araya, Mary C. Boyce and Christine Ortiz, Functional diversity and dynamic biomechanical mechanisms of the threespine stickleback armor (*: Both authors equally contribute to the paper) (in review).

2012 Yaning Li, Christine Ortiz and Mary C. Boyce, A bio-inspired mechanical, deterministic fractal model for hierarchical suture joints, Physical Review E 85, 031901. (highlighted in Physics Synopsis of APS) doi

2011 Yaning Li, Christine Ortiz and Mary C. Boyce, Stiffness and strength of suture joints in nature, Physical Review E 84, 062904. doi

2011 Yaning Li, Anthony M. Waas and Ellen M. Arruda, A closed-form, hierarchical, multi-interphase model for composites -- derivation, verification and application to nanocomposites, Journal of Mechanics and Physics of Solids 59, 43-63. doi

2011 Yaning Li, Anthony M. Waas and Ellen M. Arruda, The effect of interphase and strain gradients on the elasticity of LBL polymer/clay nanocomposites, International Journal of Solids and Structures 48, 1044-1053. doi

2010 Yaning Li, Michael A. Sutton, Tomasz Wierzbicki et al., Mixed mode stable tearing of thin sheet Al 6061-T6 specimens: experimental measurements and finite element simulations using a modified Mohr-Coulomb fracture criterion, International Journal of Fracture 168(1), 53-71. doi

2010 Yaning Li and Tomasz Wierzbicki, Prediction of plane strain fracture of AHSS sheets and post-failure softening, International Journal of Solids and Structures 47, 2316-2327. doi

2010 Yaning Li, Meng Luo, Joerg Gelarch and Tomasz Wierzbicki, Prediction of shear-induced fracture in sheet metal forming, Journal of Material Processing Technology 210(14), 1858-1869. doi

2010  Allison Beese, Meng Luo, Yaning Li, Yuanli Bai and Tomasz Wierzbicki, Partially coupled anisotropic model for sheets, Engineering Fracture Mechanics 77(7), 1128-1152. doi

2009 Yaning Li and Dale G. Karr, Prediction of ductile fracture in tension by bifurcation, localization, and imperfection analysis, International Journal of Plasticity 25(6), 1128-1153. doi 

Papers in conference proceedings (peer-reviewed)

2010 Yaning Li, Anthony M. Waas and Ellen M. Arruda, Strain gradient modification of the Mori-Tanaka model to predict the elastic properties of the layer by layer (LBL) polymer/clay nanocomposites (AIAA 2010-2813), 51st AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, AIAA 2010-2813. doi

2010 Meng Luo, Yaning Li, Joerg Gelarch and Tomasz Wierzbicki, Prediction of shear-induced crack initiation in AHSS deep drawing operation with a phenomenological fracture model, The 10th International Conference on Numerical Methods in Industrial Forming Process (NUMIFORM), 2010 (1252), 464-472. doi

2009 Yaning Li and Tomasz Wierzbicki, Mesh-size study of ductile fracture by non-local plasticity model, Proceedings of SEM Annual Conference and Exposition on Experimental and Applied Mechanics, Paper No. 387, 2009, Albuquerque, New Mexico, ISBN: 9781615671892, Curran Associates, Inc. URL

2008 Yaning Li, Anthony M. Waas and Ellen M. Arruda, A non-local visco-plastic model with strain gradient effects and interphase effects for simulating the stiffness and yield strength of a class of polymer nanocomposites, Proceeding of 2008 ASME International Mechanical Engineering Congress & Exposition (IMECE), 2008. Volume 13: Nano-Manufacturing Technology; and Micro and Nano Systems, ISBN: 978-0-7918-4874-6, Page 1119-1126. doi

2008 Yaning Li, Anthony M. Waas and Ellen M. Arruda, A particle size-shape-dependent three-phase two-step Mori-Tanaka method for studying the interphase of polymer/clay nanocomposites, ASME International Mechanical Engineering Congress & Exposition (IMECE), Boston, November 2008, Volume 13: Nano-Manufacturing Technology; and Micro and Nano Systems, ISBN: 978-0-7918-4874-6, Page 225-232. doi

2008 Yaning Li, Amit K. Kaushik, Anthony M. Waas, Paul Podsiadlo, Nicholas A. Kotov and Ellen M. Arruda, Study of enhancement mechanism and synergistic effects of polymer/clay nanocomposite, Paper 43, 6th International Conference on Mechanics of Time-Dependent Materials (MTDM), 2008, ISBN 9781605601120, Curran Associates Inc. URL

Patents

Mary Boyce, Yaning Li, Narges, Kaynia, Stephan, Rudykh, Controlled Material Interface Transformation U.S. Provisional Patent, Application 61/676402, Filed July 27, 2012.  

Mr. Michael H. deLeon

in
Office: 
Kingsbury Hall W322
Phone: 
603-862-2156

Credentials

M.S., Mechanical Engineering, University of New Hampshire, 1989
B.S., Engineering, University of Hartford (Interdisciplinary Acoustics & Electrical Engr.), 1983

Mike joined the Mechanical Engineering faculty in the fall of 2012.  After working in the elevator and manufacturing industries for several years, he entered graduate school at UNH, working under the direction of Professor (Emeritus) David E. Limbert in the Dynamic Systems Modeling Laboratory.  Here his major focus was in advanced controls and nonlinear systems; his research emphasis was on computational models and simulation of pneumatic brakes used in freight trains.

Tom Weber

in
Office: 
Jere Chase room 229
Phone: 
603-862-1659

Credentials

Ph.D., Acoustics, Penn State, 2006.
M.S., Ocean Engineering, University of Rhode Island, 2000.
B.S., Ocean Engineering, University of Rhode Island, 1997.

Prof. Tom Weber joined the Mechanical Engineering faculty in the fall of 2012.  He is also a faculty member of the UNH Center for Coastal and Ocean Mapping, which he joined after completing his PhD in 2006. 

Research Areas

  • Acoustic propagation and scattering in random media
  • Experimental methods in high-frequency underwater acoustics
  • Sonar engineering

Publications

Weber, T., C. Rooper, J. Butler, D. Jones, C. Wilson, “Seabed classification for trawlability determined with a multibeam echosounder on Snakehead Bank in the Gulf of Alaska,” Fish. Bull., 111: 68-77. 2013.

Hickman, S., P. Hsieh, W. Mooney, C. Enomoto, P. Nelson, L. Mayer, T. Weber, K. Moran, P. Flemings, M. McNutt, “Scientific basis for safely shutting in the Macondo well following the April 20, 2010, Deepwater Horizon blowout,” Proc. Nat. Acad. Sci, 2012. Doi:10.1073/pnas.1115847109.

Stockwell, J., T. Weber, A. Baukus, and J. Jech, “On the use of omni-directional sonars and downward-looking echosounders to assess pelagic fish distributions during and after midwater trawling,” ICES. J. Mar. Sci. 2012.

Jones, D., C. Wilson, A. De Robertis, C. Rooper, T. Weber, and J. Butler, “Evaluation of rockfish abundance in untrawlable habitat: combining acoustic and complementary sampling tools,” Fish. Bull. 110: 332-343. 2012.

Weber, T., A. De Robertis, S. Greenaway, S. Smith, L. Mayer, and G. Rice, “Estimating oil concentration and flow rate with calibrated vessel-mounted acoustic echo sounders,” Proc. Nat. Acad. Sci., December 2011. doi:10.1073/pnas.1108771108

Weber, T., A. Lyons, and D. Bradley, “Consistency in statistical moments as a test for bubble cloud clustering,” J. Acoust. Soc. Am., 130(5), pp. 3396-3405. November 2011.

Kessler, J., D. Valentine, M. Redmond, M. Du, E. Chan, S. Mendes, E. Quiroz, C. Villanueva, S. Shusta, L. Werra, S. Yvon-Lewis, and T. Weber, “A persistent oxygen anomaly reveals the fate of spilled methane in the deep Gulf of Mexico,” Science 331 (6015) pp. 312-315, January 2011.

McGonigle, C., J. Grabowski, C. Brown, T. Weber, and R. Quin, “Detection of deep water benthic macroalgae using image-based classification techniques on multibeam backscatter at Cashes Ledge, Gulf of Maine, USA,” Estuarine, Coastal and Shelf Science, 91 (1), 87-101, January 2011.

Schmidt, V., T. Weber, D. Wiley, and M. Johnson, “Underwater tracking of humpback whales (megaptera novaeangliae) with HF pingers and acoustic recording tags,” J. Oce. Eng., 35(4), 821-836.  October 2010. (student paper)

Weber, T., H. Pena, and J. M. Jech, “Consecutive acoustic observations of an Atlantic herring school in the Northwest Atlantic,” ICES J. Marine Sci. 66: 1270-1277.  April 2009.

Gurshin, C.W., J. M. Jech, W. H. Howell, T.C. Weber, and L. A. Mayer, “Measurements of acoustic backscatter and density of captive Atlantic cod with synchronized 300-kHz multibeam and 120-kHz split-beam echosounders,” ICES J. Marine Sci., 66: April 2009.

Weber, T., “Observations of clustering inside oceanic bubble clouds and the effect on short-range acoustic propagation,” J. Acoust. Soc. America, 124(5), pp. 2783-2792, November 2008.

Martin Wosnik, Associate Professor

in
Office: 
Kingsbury Hall S252
Phone: 
(603) 862-1891
Fax: 
(603) 862-1865

Credentials

Ph.D. – Mechanical Engineering, University at Buffalo, The State University of New York, 2000
M.S. – Aerospace Engineering, University at Buffalo, The State University of New York, 1994
B.S. equivalent – Mechanical Engineering, Technical University of Darmstadt, Germany, 1992

Prof. Martin Wosnik joined the Mechanical Engineering faculty in the spring of 2008. Before joining the UNH Mechanical Engineering faculty, he worked as Assistant Research Professor in the Thermo and Fluid Dynamics Section at Chalmers University of Technology in Gothenburg, Sweden, then as Research Associate at St. Anthony Falls Laboratory at the University of Minnesota. Before coming to New Hampshire, Prof. Wosnik was Senior Flow Engineer at Alden Research Laboratory in Massachusetts, a national flow engineering firm conducting a wide variety of hydraulic studies for electric power utilities, architect-engineering firms, equipment manufacturers, and governmental agencies.

Prof. Wosnik’s research interests are in the area of fluid and thermal sciences with an emphasis on renewable energy applications, including ocean renewable energy (tidal, wave, wind), turbulent flows, high-speed hydrodynamics, cavitation, flow measurement and hydraulic modeling.

Prof. Wosnik teaches courses in the fluid and thermal sciences area, including: ME 705 Thermal Energy Systems - Analysis and Design, ME 795/895 Renewable Energy, ME 795/895 Experimental Fluid Dynamics, ME 906 Convection Heat Transfer, ME 995 Special Topics in Fluid Mechanics.

Research Areas

  • Experimental Fluid Dynamics
  • Wall-bounded Turbulent Flows
  • Cavitation and Bubbly Flows
  • Ocean / Marine Renewable Energy
  • Wind Energy

Publications

Selected Publications

 Book Chapters

  1. Arndt REA; Kawakami DT; Wosnik M (2007) Hydraulics – Measurements in Cavitating Flows. Handbook of Experimental Fluid Dynamics, Tropea C, Yarin AL and Foss JF editors, Springer Verlag, Nov. 2007.

 Journal Publications

  1. Dufresne NP; Wosnik M (2013) Velocity deficit and swirl in the turbulent wake of a wind turbine. Mar Technol Soc J, vol 47, no 4, pp 193-205.
  2. Rowell M; Wosnik M; Barnes J; King J (2013) Experimental evaluation of a mixer-ejector marine hydrokinetic turbine at two open water tidal energy test sites in NH and MA. Mar Technol Soc J, vol 47, no 4, pp 67-79.
  3. Mujat M; Ferguson RD; Iftimia N; Daniel X. Hammer DX; Nedyalkov I; Wosnik M; Legner H (2013) Optical coherence tomography-based  micro-particle imaging velocimetry. Opt Lett, Vol. 38, No. 2, pp.4458-61. DOI 10.1364/OL.38.004558.
  4. Vincenti P; Klewicki J; Morrill-Winter C; White C; Wosnik M (2013) Streamwise Velocity Statistics in Turbulent Boundary Layers that Spatially Develop to High Reynolds Number. Exp Fluids, 54:1629, DOI 10.1007/s00348-013-1629-9.
  5. Dewhurst T; Swift MR; Wosnik M; Baldwin K; DeCew J; Rowell M (2013) Dynamics of a Floating Platform Mounting a Hydrokinetic Turbine. Mar Technol Soc J, vol 47, no 4, pp 45-56.
  6. Wosnik M; Arndt REA (2013) On the dynamics of large-scale structures found inside the cavitating wake of a hydrofoil. Submitted.
  7. Nedyalkov I; Wosnik M (2013) Cavitation Inception Criteria for Horizontal Axis Hydrokinetic Turbines. Invited submission to J Fluids Eng (Outstanding Student Paper Award at FEDSM 2013).
  8. Bachant P; Wosnik M (2013) Performance measurements of cylindrical- and spherical-helical cross-flow marine hydrokinetic turbines, with estimates of exergy efficiency. Submitted.
  9. Wosnik M; Arndt REA (2013) Measurements in high void-fraction turbulent bubbly wakes. J Fluids Eng, vol. 135, pp.011304-1 - 011304-9, January 2013. DOI: 10.1115/1.4023193.
  10. Li S; Wosnik M; Miller C; Kocahan H; Wyckhoff R; Cain S (2011) Numerical Modeling of Probable Maximum Flood Flowing through a System of Spillways. J Hydr Eng, Vol. 137, Issue 1, pp. 66-74 (January 2011). DOI: 10.1061/(ASCE)HY.1943-7900.0000279.
  11. Kopriva JE; Amromin EL; Arndt REA; Wosnik M; Kovinskaya S (2007) High-Performance Partially Cavitating Hydrofoils, J Ship Res, Volume 51, Number 4, Dec 2007 , pp. 313-325(13).
  12. Amromin E; Kopriva J; Arndt REA; Wosnik M (2006) Hydrofoil drag reduction by partial cavitation. J Fluids Eng, Vol. 128, Issue 5, pp. 931-936.
  13.  Arndt REA; Balas GJ; Wosnik M (2005) Control of Cavitating Flows: A Perspective. JSME Int J B-Fluid T, vol.48, no.2, pp.334-431, May 2005.
  14. Wosnik M; Castillo L; George WK (2000) A theory for turbulent pipe and channel flows. J Fluid Mech, vol.421, pp.115-145.
  15. George WK; Abrahamsson H; Eriksson J; Karlsson RI; Wosnik M (2000) A similarity theory for the turbulent plane wall jet without external stream. J Fluid Mech, vol.425, pp.367-411.

Peer-Reviewed Conference Proceedings 

  1. Neary VS; Fontaine AA; Bachant P; Wosnik M; Michelen C; Meyer RJ; Gunawan B; Straka WA (2013) US Department of Energy (DOE) National Lab Activities in Marine Hydrokinetics:  Scaled Model Testing of DOE Reference Turbines. In Proceedings of 10th European Wave and Tidal Energy Conference - EWTEC 2013, Aalborg, Denmark, 2-5 September 2013.
  2. Dufresne N; Wosnik M (2013) Experimental investigation and similarity solution for the axisymmetric turbulent wake with rotation. Proceedings of ASME Fluids Engineering Division Summer Meeting 2013, Paper FED2013-0000, July 7-13, 2013, Incline Village, NV.
  3. Bachant P; Wosnik M (2013) Performance and Wake Measurements for a Cross-Flow Axis Turbine at Moderate Reynolds Number. Proceedings of ASME Fluids Engineering Division Summer Meeting 2013, Paper FED2013-16575, July 7-13, 2013, Incline Village, NV.
  4. Nedyalkov I; Wosnik M (2013) Cavitation investigation of hydrofoils for marine hydrokinetic turbines. Proceedings of ASME Fluids Engineering Division Summer Meeting 2013, Paper FED2013-0000, July 7-13, 2013, Incline Village, NV.
  5. Bachant P; Wosnik M (2011) Experimental Investigation of Helical Cross-Flow Axis Turbines, Including Effects of Waves and Turbulence. Proceedings of ASME-JSME-KSME Joint Fluids Engineering Conference 2011. Paper AJK2011-07020, July 24-29, 2011, Hamamatsu, Shizuoka, JAPAN. DOI: 10.1115/AJK2011-07020.
  6. Johnston A; Wosnik M (2011) Modeling of Performance Characteristics of Cross-Flow Axis Turbines. Proceedings of ASME-JSME-KSME Joint Fluids Engineering Conference 2011. Paper AJK2011-07021, July 24-29, 2011, Hamamatsu, Shizuoka, JAPAN.
  7. Wosnik M; Arndt REA (2009) Control Experiments with a Semi-Axisymmetric Supercavity and a Supercavity-Piercing Fin. Proceedings of the 7th International Symposium on Cavitation, CAV2009 – Paper No. 146, August 17-22, 2009, Ann Arbor, Michigan, USA.
  8. Wosnik M; Li S; Miller C; Wyckhoff R; Kocahan H; Gessler D; Cain S (2009) A hybrid numerical and physical hydraulic model study of the Canton Dam spillway system. 33rd IAHR Congress, Water Engineering for a Sustainable Environment, Vancouver, British Columbia, Canada, August 9-14, 2009.
  9. Wosnik M; Arndt REA (2007) Towards the Control of Cavitating Flows. Proceedings of IUTAM Symposium on Unsteady Separated Flows and their Control, June 18-22, 2007, Corfu, Greece.

Conference Proceedings 

  1. Wosnik M; Charmanski K; Dufresne N (2013) Theoretical and Experimental Studies of Wind Turbines at Multiple Scales in the UNH Flow Physics Facility (FPF). Proceedings of International Conference on Future Technologies for Wind Energy, October 07-09, 2013, Laramie, Wyoming, USA.
  2. Wosnik M; Swift MR; Baldwin KC; Despins R; Celikkol B (2010) Infrastructure Development towards a Calibrated Tidal Energy Test Site at the University of New Hampshire. Proceedings of First European Congress of the Int’l Association of Hydraulic Research (IAHR), Edinburgh, Scotland, May 4-6, 2010.
  3. Kocahan H; Wyckoff R; Wosnik M (2009) US Experience with Fusegates for Spillway Inadequacy Remediation. Proceedings of 23rd International Congress of International Commission on Large Dams (ICOLD), 21-24 May, Brasilia, Brazil.

 Published Abstracts

  1. Wosnik M; Bachant P; Nedyalkov I; Rowell M; Dufresne N; Lyon V (2013) Marine Hydrokinetic (MHK) Energy Conversion Research at UNH: From Fundamental Studies of Hydrofoil Sections, to Moderate Reynolds Number Turbine Tests in a Tow Tank, to Open Water Deployments at Tidal Energy Test Sites. Abstract for Invited Talk in Ocean Sciences Track at Fall Meeting of American Geophysical Union (AGU), 9-13 Dec, San Francisco, CA.
  2. Nedyalkov I; Wosnik M (2013) Performance and cavitation characteristics of bi-directional hydrofoils. 66th Annual Meeting of the APS Division of Fluid Dynamics, 24-26 Nov, Pittsburgh, PA. Bull. Amer. Phys. Soc., Vol.58, No.18.
  3. Bachant P; Wosnik M (2013) Reynolds number effects on the performance and near-wake of a cross-flow turbine. 66th Annual Meeting of the APS Division of Fluid Dynamics, 24-26 Nov, Pittsburgh, PA. Bull. Amer. Phys. Soc., Vol.58, No.18.
  4. Lyon V; Wosnik M (2013) Comparison of spatio-temporal resolution of different flow measurement techniques for marine renewable energy applications. 66th Annual Meeting of the APS Division of Fluid Dynamics, 24-26 Nov, Pittsburgh, PA. Bull. Amer. Phys. Soc., Vol.58, No.18.
  5. Wosnik M; Dufresne N (2013) Turbulent axisymmetric swirling wake: equilibrium similarity solution and experiments with a wind turbine as wake generator. 66th Annual Meeting of the APS Division of Fluid Dynamics, 24-26 Nov, Pittsburgh, PA. Bull. Amer. Phys. Soc., Vol.58, No.18.
  6. Charmanski K; Wosnik M (2013) Experimental Investigation of Very Large Model Wind Turbine Arrays. 66th Annual Meeting of the APS Division of Fluid Dynamics, 24-26 Nov, Pittsburgh, PA. Bull. Amer. Phys. Soc., Vol.58, No.18.
  7. Bachant P; Wosnik M (2012) Performance and wake measurements for a cross-flow axis lift-driven turbine. 65th Annual Meeting of the APS Division of Fluid Dynamics, 18-20 Nov, San Diego, CA. Bull. Amer. Phys. Soc., Vol.57, No.17, p.472.
  8. Nedyalkov I; Wosnik M (2012) Cavitation Characteristics of a NACA 63-424 Hydrofoil and Performance Comparison with a Bidirectional Version of the Foil. 65th Annual Meeting of the APS Division of Fluid Dynamics, 18-20 Nov, San Diego, CA. Bull. Amer. Phys. Soc., Vol.57, No.17, p.30.
  9. Dewhurst T; Rowell M; DeCew J; Baldwin K; Swift MR; Wosnik M (2012) Turbulent inflow and wake of a marine hydrokinetic turbine, including effects of wave motion. 65th Annual Meeting of the APS Division of Fluid Dynamics, 18-20 Nov, San Diego, CA. Bull. Amer. Phys. Soc., Vol.57. No.17, p.146.
  10. Dufresne N; Wosnik M (2012) Measurements in an axisymmetric turbulent wake with rotation downstream of a model wind turbine. 65th Annual Meeting of the APS Division of Fluid Dynamics, 18-20 Nov, San Diego, CA. Bull. Amer. Phys. Soc., Vol.57., No.17, p. 242.
  11. Vincenti P; Morrill-Winter C; Klewicki J; White C; Wosnik M (2012) Canonical boundary layer properties at high Reynolds number as measured in the UNH Flow Physics Facility. 65th Annual Meeting of the APS Division of Fluid Dynamics, 18-20 Nov, San Diego, CA. Bull. Amer. Phys. Soc., Vol.57, No.17, p.279.
  12. Rowell M; Wosnik M (2012) Experimental Evaluation of Mixer Ejector Hydrokinetic Turbine (MEHT). Extended abstract for 4th Annual NE-MREC Technical Conference, New England Marine Renewable Energy Center (NE-MREC), Providence/Warwick, RI, hurricane rescheduled: 7-8 & 10 January 2013.
  13. Nedyalkov I; Wosnik M (2012) The new UNH high speed water tunnel-cavitation and hydrofoil research for MHK Turbines. Extended abstract for 4th Annual NE-MREC Technical Conference, New England Marine Renewable Energy Center (NE-MREC), Providence/Warwick, RI, 7-8 & 10 January 2013.
  14. Dufresne N; Wosnik M (2012) The axisymmetric turbulent wake with rotation and its effect on offshore wind farm production. Extended abstract for 4th Annual NE-MREC Technical Conference, New England Marine Renewable Energy Center (NE-MREC), Providence/Warwick, RI, 7-8 & 10 January 2013.
  15. Byrne J; Swift MR; Wosnik M; Baldwin K; Celikkol B (2012) Design of the Next Generation Tidal Energy Test Platform at UNH-CORE. Extended abstract for 4th Annual NE-MREC Technical Conference, New England Marine Renewable Energy Center, Providence/Warwick, RI, 7-8 & 10 January 2013.
  16. Wosnik M; Bachant P (2011) Experimental Investigation of Helical Cross-Flow Axis Turbines, Including Effects of Waves and Turbulence (Invited), Fall Meeting of American Geophysical Union (AGU) in San Francisco, CA.
  17. Nedyalkov I; Wosnik M (2011) Cavitation inception for marine hydrokinetic turbine blades. 64th Annual Meeting of the APS Division of Fluid Dynamics, 20-22 Nov, Baltimore, MD. Bull. Amer. Phys. Soc., Vol.56, No.18, p.69.
  18. Bachant P; Wosnik M (2011) Experimental Investigation of Cross-Flow Axis Marine Hydrokinetic (MHK) Turbines, Including Effects of Waves and Turbulence. 64th Annual Meeting of the APS Division of Fluid Dynamics, 20-22 Nov, Baltimore, MD. Bull. Amer. Phys. Soc., Vol.56, No.18, p.204.      
  19. Wosnik M (2011) Similarity Theory for an Axisymmetric Turbulent Wake with Rotation. 64th Annual Meeting of the APS Division of Fluid Dynamics, 20-22 Nov, Baltimore, MD. Bull. Amer. Phys. Soc., Vol.56, No.18, p.209-210.
  20. Siegel E; Rusello PJ; McEntee J; Corbett B; Anderton S; Beaumont R; Wosnik M; Rowell M; Bachant P (2011) Using a Forward Looking Acoustic Doppler Current Profiler for Turbine Optimization and Control. 3rd Annual NE-MREC Technical Conference, New England Marine Renewable Energy Center (NE-MREC), Cambridge, MA, 7-8 November 2011.      
  21. Bachant P; Wosnik M (2011) Experimental Investigation of Cross-Flow Axis Marine Hydrokinetic (MHK) Turbines, Including Effects of Waves and Turbulence. 3rd Annual NE-MREC Technical Conference, New England Marine Renewable Energy Center (NE-MREC), Cambridge, MA, 7-8 November 2011.      
  22. Rowell M; Wosnik M (2011) Performance Evaluation of a new Mixer Ejector Hydrokinetic Turbine (MEHT). 3rd Annual NE-MREC Technical Conference, New England Marine Renewable Energy Center (NE-MREC), Cambridge, MA, 7-8 November 2011.      
  23. Nedyalkov I; Wosnik M (2011) Cavitation limits for marine hydrokinetic (MHK) turbines. 3rd Annual NE-MREC Technical Conference, New England Marine Renewable Energy Center (NE-MREC), Cambridge, MA, 7-8 November 2011.      
  24. Byrne J; Swift R; Wosnik M; Celikkol B; Baldwin K (2011) Test Platform for Evaluation of Large Scale Hydrokinetic Turbines at UNH-CORE Tidal Energy Test Site. 3rd Annual NE-MREC Technical Conference, New England Marine Renewable Energy Center (NE-MREC), Cambridge, MA, 7-8 November 2011.      
  25. Wosnik M (2011) Equilibrium Similarity Theory for Axisymmetric Turbulent Wakes with Rotation. 3rd Annual NE-MREC Technical Conference, New England Marine Renewable Energy Center (NE-MREC), Cambridge, MA, 7-8 November 2011.      
  26. Forsythe J; Klewicki J; White C; Wosnik M (2010) Status Update on the Flow Physics Facility at the University of New Hampshire. 63rd Annual Meeting of the APS Division of Fluid Dynamics, 21-23 Nov, Long Beach, CA. Bull. Amer. Phys. Soc., Vol.55, No.16, p.306.
  27. Johnston A; Wosnik M (2010) Analytical and Numerical Modeling of Performance Characteristics of Cross-Flow Axis Hydrokinetic Turbines. 2nd Annual NE-MREC Technical Conference, New England Marine Renewable Energy Center (NE-MREC), Cambridge, MA, 2 November 2010.      
  28. Bachant P; Wosnik M (2010) Development of Hydrokinetic Test Bed and Turbine Performance Evaluation. 2nd Annual NE-MREC Technical Conference, New England Marine Renewable Energy Center (NE-MREC), Cambridge, MA, 2 November 2010.      
  29. Byrne J; Swift R, Wosnik M (2010) Second Generation Tidal Energy Test Platform for UNH-CORE Tidal Energy Test Site. 2nd Annual NE-MREC Technical Conference, New England Marine Renewable Energy Center (NE-MREC), Cambridge, MA, 2 November 2010.      
  30. Wosnik M; Baldwin K; Celikkol B; Swift R (2010) Marine Hydrokinetic (MHK) Testing Infrastructure Development. 2nd Annual NE-MREC Technical Conference, New England Marine Renewable Energy Center (NE-MREC), Cambridge, MA, 2 November 2010.      
  31. Nedyalkov I; Wosnik M (2009) Redesign of contraction, test section and diffuser for a six-inch high speed water tunnel. 62nd Annual Meeting of the APS Division of Fluid Dynamics, 22-24 Nov, Minneapolis, MN. Bull. Amer. Phys. Soc., Vol.54, No.19, p.44.
  32. Wosnik M, Despins R and Swift MR (2009) The Tidal Energy Test Site at UNH-CORE. In Proceedings of 1st Annual NE-MREC Technical Conference, New England Marine Renewable Energy Center (NE-MREC), Fall River, MA, 15 October 2009.     
  33. Nedyalkov I; Clark G; Wosnik M (2008) Facility documentation measurements in ``new'' 7-inch high-speed water tunnel. 61st Annual Meeting of the APS Division of Fluid Dynamics, 23-25 Nov, San Antonio, TX.  Bull. Amer. Phys. Soc., Vol.53, No.15, p.127.
  34. Priyadarshana P; Klewicki J; White C; Wosnik M (2008) A Large Scale Wind Tunnel for the Study of High Reynolds Number Turbulent Boundary Layer Physics. 61st Annual Meeting of the APS Division of Fluid Dynamics, 23-25 Nov, San Antonio, TX. Bull. Amer. Phys. Soc., Vol.53, No.15, p.134.
  35. Kjeldsen M; Wosnik M; Arndt REA (2008) Dynamics and control of hydrofoil wakes. 61st Annual Meeting of the APS Division of Fluid Dynamics, 23-25 Nov, San Antonio, TX. Bull. Amer. Phys. Soc., Vol.53, No.15, p.136.
  36. Wosnik M; Baldwin KC; White CM; Carter M; Gress D; Swift MR; Tsukrov I; Kraft G; Celikkol B (2008) Ocean Renewable Energy Research at U. New Hampshire. 61st Annual Meeting of the APS Division of Fluid Dynamics, 23-25 Nov, San Antonio, TX. Bull. Amer. Phys. Soc., Vol.53, No.15, p.254.

 Technical Reports

  1. Wosnik M; Bachant P; Lyon VS (2013) Instrumentation for the Evaluation of Marine Hydrokinetic Turbines. A Case Study for Conte Anadromous Fish Laboratory, Turners Falls, MA. Sponsored by New England Marine Renewable Energy Center/Massachusetts Clean Energy Center, December 2013.
  2. Dufresne N; Vincenti P; Wosnik M (2013) Experimental Study of the Flow over a Radome. Sponsored by Laufer Wind Group LLC.
  3. Swift MR; Dewhurst T; Baldwin K; Wosnik M; Celikkol B (2013) Muskeget Channel Tidal Energy Test Facility. Prepared for: The New England Marine Renewable Energy Center, University of Massachusetts at Dartmouth, by the Center for Ocean Renewable Energy, University of New Hampshire.
  4. Wosnik M; Miller C (2013) Hydraulic Loss Calculation for Final Design of Intake Conduit and Interconnecting Pipes for the Fusegate System for the Auxiliary Spillway at Canton Dam.Alden Research Laboratory. Alden Report No. 2009-237-H1282a – Addendum to Report 2009-237-H1282, 33 pages.
  5. Wosnik M; Miller C (2009) Hydraulic Model Study of the Auxiliary Spillway at Canton Dam. Alden Research Laboratory, Alden Report No. 2009-237-H1282, 155 pages.
  6. Wosnik M; Johansson A; Sassaman T (2009) Physical Hydraulic Model Study of the Discharge Canals of Bonnabel and Duncan Pumping Stations, Jefferson Parish, Louisiana. Alden Research Laboratory, Alden Report No. 2009-157_H885, 75 pages.
  7. Wosnik M; Padmanabhan M (2008) Physical Hydraulic Model Study of the Lake Townsend Raw Water Intake Structure and Pumping Station. Alden Research Laboratory, Alden Report No. 2008-200_H954, 122 pages.
  8. Wosnik M (2007) Residual Heat Removal Heat Exchanger Debris Transport Testing. Alden Research Laboratory, Alden Report No. 2007-262_H208, 56 pages.
  9. Wosnik M (2006) Developmental Hydraulic Model Study of the Intake Depth Sensitivity of a Vertical Pit Pump. Alden Research Laboratory, Alden Report No. 2006-372_H954C, 34 pages.
  10. Wosnik M; Arndt REA (2006) Testing of a 1:6 scale physical model of the large, low-noise cavitation tunnel (LOCAT). St. Anthony Falls Laboratory, SAFL Report No. 486, 78 pages.

 Engineering Trade Journals

  1. Haber L and Wosnik M (2011) “Beware of Bubbles: Managing Cavitation in Refinery Processing”. In Hydrocarbon Engineering, July issue, 2011.
  2. Haber L and Wosnik M (2010) “Analyzing Cavitation in Refinery Processing”. In Valve Magazine, Fall issue,  pp.35-37, 2010.
  3. Kocahan H; Wyckhoff R, Wosnik M (2009) Spillway inadequacy remediation in the US. In International Waterpower Magazine, 2009.
  4. Wosnik M; Wyckhoff R; Lacroix S (2008) Numerical and hydraulic modeling for the upgrading of Canton Dam. In International Journal on Hydropower & Dams, Issue 5, pp. 76-79, 2008.

 

 

 

 

 

 

Chris White, Assistant Professor

in
Office: 
Kingsbury Hall S254
Phone: 
(603) 862-1495
Fax: 
(603) 862-1865

Credentials

Ph.D., M.E., Yale University, 2001
M.S. in M.E., State University of New York at Stony Brook, 1999
B.S., State University of New York at Stony Brook, 1994

Prof. White joined the faculty of the Mechanical Engineering Department late in the 2006-2007 academic year. He was a Postdoctoral Research Fellow at Stanford University in the Department of Mechanical Engineering from 2001-2004. Following his post-doctoral work, he joined Sandia National Laboratories as a Senior Member of the Technical Staff in the Combustion Research Facility. His principal duties at Sandia included lead investigator in the Advanced Hydrogen Fueled Engine Laboratory.

Prof. White teaches ME 646 – Experimental Measurement and Data Analysis and will teach courses in fluid mechanics, heat transfer and experimental methods in engineering.

Research Areas

  • Experimental Fluid Mechanics
  • Combustion
  • Energy Conversion Technologies
  • Alternative Energy

A collaborative NSF funded research project, that Profs. Klewicki and White are co Pi’s on, has been featured in an NSF special report video. The project aims to study and quantify shape effects on the transport of volcanic ash. The large-wind tunnel is used in the project and featured in the video (see link below). The following graduate students are featured in this link: Mike Allard, Pat Vincenti, and Nicholas DeMarchi.

     http://www.nsf.gov/news/special_reports/science_nation/volcanicash.jsp

For more detailed information about Prof. White's research, please see the Center for Fluid Physics site. The CFP is a collaborative cross-disciplinary group of fluid dynamics researchers at UNH.

Publications

Book Chapters

  • Schefer RW, White CM, Keller J. 2007. Lean Hydrogen Combustion. In Lean Combustion Technology and Control, ed. D. Dunn, Academic Press. 822-854.

Journal Papers

  • Mehdi F. & White C. M. Integral form of the skin friction coeffient suitable for experimental data Exp. Fluids. (in press) DOI: 10.1007/s00348-010-0893-1.
  • Mehdi F., Klewicki J. C. & White C. M. Mean momentum balance analysis of rough-wall turbulent boundary layers. Physica D. 2010. 239:1329-1337
  • Kaiser S. & White C.M. PIV and PLIF to Evaluate Mixture Formation in a Direct-Injection Hydrogen-Fuelled Engine. SAE Int. J. Engines 2009. 1:657-668.
  • White CM, Mungal MG. 2008. Mechanics and prediction of turbulent drag reduction with polymer additives. Ann. Rev. Fluid Mech. 40:235-256.
  • White CM. 2007. OH* chemiluminescence measurements in a direct-injection hydrogen-fuelled internal combustion engine. Int. J. Engine Res. 20:185-204.
  • White CM, Steeper RR, Lutz AE. 2006. The hydrogen-fueled internal combustion engine: a technical review. Int. J. Hydrogen Energy 31:1292-1305.
  • Dubief Y, Terrapon VE, White CM, Shaqfeh ESG, Moin P, Lele SK. 2005. New answers on the interaction between polymers and vortices in turbulent flows. Flow Turbul. Combust. 74:311-329.
  • Dubief Y, White CM, Terrapon VE, Shaqfeh ESG, Moin P, Lele SK. 2004. On the coherent drag-reducing and turbulence-enhancing behaviour of polymers in wall flows. J. Fluid Mech. 514:271-280.
  • White CM, Somandepalli VSR, Mungal MG. 2004. The turbulence structure of drag reduced boundary layer flow. Exp. Fluids 36:62-69.
  • White CM, Karpetis AN, Sreenivasan KR. 2002. High Reynolds numbers in small apparatus: grid turbulence in cryogenic liquids. J. Fluid Mech. 452:189-197.
  • Donnelly RJ, Karpetis AN, Niemela, JJ, Sreenivasan KR, Vinen WF, White CM. 2002. The use of particle image velocimetry in the study of turbulence in liquid helium. J. Low Temp. Phys. 126:327-3302.
  • Lyder CH, Shannon R, Empleo-Frazier O, McGeHee D, White CM. 2002. A comprehensive program to prevent pressure uclers in long-term care: exploring costs and outcomes. Ostomy/Wound Manag. 48:52-62.
  • Karpetis AN, White CM, Sreenivasan KR. 2000. Laser wipers. Phys. Rev. E 61:4421-4423.
  • Sreenivasan KR, White CM. 2000. Onset of drag reduction and the maximum drag reduction asymptote. J. Fluid Mech.409:149-164.
  • Van Doorn E, White CM, Sreenivasan KR. 1999. The decay of grid turbulence in polymer and surfactant solutions. Phys. Fluids 11:2387-2393.
  • White CM, Sreenivasan KR. 1998. Does molecular rotation affect the transitional Reynolds number? Phys. Let. A.238:323-327.

Refereed Conference Papers

  • White CM, Kaiser S. 2008. Fuel-Air Mixing in a Direct-Injection Hydrogen-Fueled Internal Combustion Engine. 14th Intl. Symp. Appl. Laser Tech. Fluid Mech.
  • Kaiser S, White CM. 2008. PIV and PLIF to Evaluate Mixture Formation in a Direct-Injection Hydrogen-Fueled Engine.SAE Paper. 2008-01-1034.
  • White CM. 2007. A qualitative evaluation of mixture formation in a direct-injection hydrogen-fuelled engine. SAE Paper. 2007-01-1467.
  • Somandepalli VSR, White CM, Mungal MG. 2003. Boundary layer studies on polymer drag reduction using PIV and PLIF.Proc. 4th ASME/JSME Joint Fluids Eng. Conf. 2A:763-771
  • White CM, Somandepalli VSR, Mungal MG. 2002. PIV measurements of drag reducing boundary layer flows. 11th Intl. Symp. Appl. Laser Tech. Fluid Mech.
  • White C, Raghu S, Giannotti G, Giannotti H. 1996. Power boost of gas turbines by inlet air cooling, Proc. 31st Intersociety Energy Conversion Eng. Conf. 2:725-729

Technical Reports

  • White CM. 2007. Final results of mixture formation and combustion in an optical engine. Project No. 506604 HYICE Optimization of a Hydrogen Powered Internal Combustion Engine, Deliverable D4.3.F.
  • White CM. 2006. Evaluation of Mixture Formation and Combustion in an Optical Engine using OH* Chemiluminescence. Project No. 506604 HYICE Optimization of a Hydrogen Powered Internal Combustion Engine. Deliverable D4.3.B.

Igor Tsukrov, Professor

in
ME Graduate Program Coordinator
Office: 
Kingsbury Hall, W105
Lab: 
Kingsbury Hall, S212
Phone: 
(603) 862-2086
Fax: 
(603) 862-1865

Credentials

Ph.D., Mechanical Engineering, Tufts University, 1996
M.S., Mechanical Engineering, Tufts University, 1993
B.S./M.S. in Applied Mechanics (Honors), Dnepropetrovsk University, Ukraine 1986

Prof. Tsukrov worked in industry for Parker Hannifin Corporation performing finite element simulations of new composite materials, and for AIR Inc. modeling damage to structures due to natural disasters (tornadoes, earthquakes, etc.).

Prof. Tsukrov's areas of expertise include Micromechanics and Fracture of Composite Materials, Modeling of Marine Aquaculture and Ocean Energy Installations, Computational Solid Mechanics and Finite Element Method.  

Prof. Tsukrov regularly teaches ME 627 - Dynamics (Mechanics III), ME 735/835 - Mechanics of Composite Materials, ME 786/886 - Introduction to Finite Element Analysis, ME 935 - Micromechanics of composite & porous materials, and ME 986 - Advanced Finite Element Analysis .

Prof. Tsukrov is director of the UNH Computational Mechanics Laboratory.

Research Areas

Publications

Book

  • M. Kachanov, B. Shafiro, I. Tsukrov, Handbook of Elasticity Solutions, Kluwer Academic Publishers, Dordrecht, 340 pp., 2003.

Recent Papers on Mechanics of Materials

  • I. Tsukrov, B. Drach, T. Gross "Effective stiffness and thermal expansion coefficients of unidirectional composites with fibers surrounded by cylindrically orthotropic matrix layers", International Journal of Engineering Science 58, 129–143, 2012.
    B. Drach, A. Drach, I. Tsukrov "Characterization and Statistical Modeling of Irregular Porosity in Carbon/Carbon Composites Based on X-Ray Microtomography Data", Journal of Applied Mathematics and Mechanics (ZAMM), 2012.
    T. Gross, Timoshchuk N., I. Tsukrov, R. Piat, B. Reznik "On the ability of nanoindentation to measure anisotropic elastic constants of pyrolytic carbon", Journal of Applied Mathematics and Mechanics (ZAMM), 2012.
    S. Dietrich, J.-M. Gebert, G. Stasiuk, A. Wanner, K.A. Weidenmann, O. Deutschmann, I. Tsukrov, R. Piat "Microstructure Characterization of CVI-Densified Carbon/Carbon Composites with Various Fiber Distributions", Composites Science and Technology 72, 1892-1900, 2012.
    B. Drach and I. Tsukrov "Overall compressibility and uniaxial stiffness of unidirectional composites with cylindrically orthotropic layered matrix", Visnyk Dnipropetrovskogo Universitetu 20(5), 150-162, 2012.
    I. Tsukrov, H. Bayraktar, M. Giovinazzo, J. Goering, T. Gross, M. Fruscello, M. Martinsson "Finite element modeling to predict cure-induced microcracking in three-dimensional woven composites", International Journal of Fracture 172(2), 209-216, 2012.
    T. Gross, K. Nguyen, M. Buck, N. Timoshchuk, I. Tsukrov, B. Reznik, R. Piat, T. Böhlke "Tension–compression anisotropy of in-plane elastic modulus for pyrolytic carbon", Carbon 49, 2141–2161, 2011.
    B. Drach, I. Tsukrov, T. Gross, S. Dietrich, K. Weidenmann, R. Piat, T. Böhlke "Numerical modeling of carbon/carbon composites with nanotextured matrix and 3D pores of irregular shapes", International Journal of Solids and Structures 48, 2447-2457, 2011.
    I. Tsukrov, B. Drach, T. Gross "Effective stiffness and thermal expansion coefficients of unidirectional composites with fibers surrounded by cylindrically orthotropic matrix layers", International Journal of Engineering Science, v. 58, pp. 129–143, 2012.
  • B. Drach, A. Drach, I. Tsukrov "Characterization and Statistical Modeling of Irregular Porosity in Carbon/Carbon Composites Based on X-Ray Microtomography Data", Journal of Applied Mathematics and Mechanics (ZAMM), 2012.
  • T. Gross, Timoshchuk N., I. Tsukrov, R. Piat, B. Reznik "On the ability of nanoindentation to measure anisotropic elastic constants of pyrolytic carbon", Journal of Applied Mathematics and Mechanics (ZAMM), 2012.
  • S. Dietrich, J.-M. Gebert, G. Stasiuk, A. Wanner, K.A. Weidenmann, O. Deutschmann, I. Tsukrov, R. Piat "Microstructure Characterization of CVI-Densified Carbon/Carbon Composites with Various Fiber Distributions", Composites Science and Technology, v. 72, pp. 1892-1900, 2012.
  • B. Drach and I. Tsukrov "Overall compressibility and uniaxial stiffness of unidirectional composites with cylindrically orthotropic layered matrix", Visnyk Dnipropetrovskogo Universitetu, v. 20(5), pp. 150-162, 2012.
  • I. Tsukrov, H. Bayraktar, M. Giovinazzo, J. Goering, T. Gross, M. Fruscello, M. Martinsson "Finite element modeling to predict cure-induced microcracking in three-dimensional woven composites", International Journal of Fracture, v. 172(2), pp. 209-216, 2012.
  • T. Gross, K. Nguyen, M. Buck, N. Timoshchuk, I. Tsukrov, B. Reznik, R. Piat, T. Böhlke "Tension–compression anisotropy of in-plane elastic modulus for pyrolytic carbon", Carbon, v. 49, pp. 2141–2161, 2011.
  • B. Drach, I. Tsukrov, T. Gross, S. Dietrich, K. Weidenmann, R. Piat, T. Böhlke "Numerical modeling of carbon/carbon composites with nanotextured matrix and 3D pores of irregular shapes", International Journal of Solids and Structures, v. 48, pp. 2447-2457, 2011.
  • I. Tsukrov and B. Drach "Elastic Deformation of Composite Cylinders with Cylindrically Orthotropic Layers", International Journal of Solids and Structures, v. 47, pp. 25-33, 2010.
  • T. Böhlke, S. Lin, R. Piat, M. Heizmann, I. Tsukrov "Estimate of the Thermoelastic Properties of Pyrolytic Carbon based on an Image Segmentation Technique", Proceedings in Applied Mechanics and Mathematics, pp. 281-282, 2010.
  • A. Li, O. Deutschmann, R. Piat, T. Böhlke, I. Tsukrov, T. Gross "Phase-field modeling of the effect of interfacial energy on pyrolytic carbon morphology in chemical vapor deposition", Proceedings in Applied Mechanics and Mathematics, pp. 715-716, 2010.
  • R. Piat, T. Böhlke, O. Deutschmann, S. Dietrich, B. Drach, J.-M. Gebert, T. Gross, A. Li, B. Reznik, G. Stasiuk, I. Tsukrov, A. Wanner "Numerical Studies of the Influence of the Porosity on Macroscopic Elastic Properties of Carbon/Carbon Composites", Proceedings in Applied Mechanics and Mathematics, pp. 719-720, 2010.
  • T. Böhlke, K. Joechen, R. Piat, T.-A. Langhoff, I. Tsukrov, B. Reznik "Elastic properties of pyrolytic carbon with axisymmetric textures", Technische Mechanik, v. 30, pp. 343-353, 2010.
  • I. Tsukrov, V.M. Grychanyuk, T.S. Gross "Finite element modeling of diffusional creep with explicit consideration of enhanced vacancy diffusivity in a finite region adjacent to the grain interface", Mechanics of Advanced Materials and Structures, v. 15, pp. 533-539, 2008.
  • R. Piat, I. Tsukrov, T. Boehlke, N. Bronzel, T. Shrinivasa, B. Reznik, D. Gerthsen "Numerical studies of the influence of textural gradients on the local stress concentrations around fibers in carbon/carbon composites", Communications in Numerical Methods in Engineering, v. 24, pp. 2194-2205, 2008.

Recent Papers on Ocean Engineering and Biomechanics

  • I. Tsukrov, A. Drach, J. DeCew, M.R. Swift, B. Celikkol "Characterization of geometry and normal drag coefficients of copper nets", Ocean Engineering, v. 38, pp. 1979-1988, 2011.
  • J. DeCew, I. Tsukrov, A. Risso, M.R. Swift, B. Celikkol "Modeling of Dynamic Behavior of a Single-Point Moored Submersible Fish Cage under Currents", Aquacultural Engineering, v. 43, pp. 38-45, 2010.
  • Ø. Patursson, M.R. Swift, I. Tsukrov, K. Simonsen, K. Baldwin, D.W. Fredriksson, B. Celikkol "Development of a porous media model for flow around and through net panels", Ocean Engineering, v. 37, pp. 314-324, 2010.
  • I. Tsukrov, J. DeCew, K. Baldwin, R. Campbell-Malone, M.J. Moore "Mechanics of the Right Whale Mandible: Full Scale Testing and Finite Element Analysis", Journal of Experimental Marine Biology and Ecology, v. 374, pp. 93-103, 2009.
  • D.W. Fredriksson, I. Tsukrov, P. Hudson "Engineering Investigation of Design Procedures for Closed Containment Marine Aquaculture Systems", Aquacultural Engineering, v. 39, pp. 91-102, 2008.

Recent Papers on Metal Forming

  • R.Z. Hasan, B.L. Kinsey, I. Tsukrov "Effect of Element Types on Failure Prediction Using a Stress-Based Forming Limit Curve", ASME Journal of Manufacturing Science and Engineering, v. 133(6), pp. 1-8, 2011.
  • M.J. Derov, I. Tsukrov, B.L. Kinsey "Analytical Prediction of Shifting Behavior in Strain Based Forming Limit Curves for Sheet Metal Using a Stress Based Failure Criterion", Transactions of the North American Manufacturing Research Institute of SME, v. 37, pp. 293-300, 2009.
  • I. Tsukrov, V.M. Grychanyuk, T.S. Gross "Finite element modeling of diffusional creep with explicit consideration of enhanced vacancy diffusivity in a finite region adjacent to the grain interface", Mechanics of Advanced Materials and Structures, v. 15, pp. 533-539, 2008.

May-Win Thein, Associate Professor

in
Office: 
Kingsbury Hall W117
Phone: 
(603) 862-1158
Fax: 
(603) 862-1865

Credentials

Ph.D., Mechanical Engineering, Oklahoma State University, 1999
M.S., Mechanical Engineering, Lehigh University, 1992
B.S., Mechanical Engineering, Lehigh University, 1991

Prof. Thein joined the Department of Mechanical Engineering in 1999. Since then, she has served as a visiting scholar and/or lecturer at the Flight Dynamics Analysis Branch at the NASA Goddard Space Flight Center, the Department of Applied Mathematics at the University of Sheffield (Sheffield, UK), the Department of Engineering at the University of Leicester (Leicester, UK), and the Institute of Industrial and Control Engineering at the Polytechnic University of Catalonia (Barcelona, Spain). Prof. Thein was also named a United Kingdom Royal Society Fellow for her international collaborative research in spacecraft control. She holds memberships in AIAA, ASME (DSCD), IEEE (CSS IAC, WiC, WIE), Phi Eta Sigma, Pi Tau Sigma, SAE, Sigma Xi, SWE, and Tau Beta Pi.

Professor Thein's field of specialization is in the area of System Dynamics and Control. Her studies involve nonlinear estimation and control with particular emphasis on spacecraft orbit and attitude determination and control system applications.  

Prof. Thein is currently teaching:

  • ME 670 - Systems Modeling, Simulation and Control
  • ME 747 - Experimental Measurements and Modeling of Complex Systems
  • ME 7/843 - Satellite Systems, Dynamics Modeling and Control
  • ME 7/895 - Spacecraft Science and Applications
  • ME/PHYS/EOS 7/8/95 - Spacecraft Instrumentation
  • ME/ECE 944 – Nonlinear Control Systems
  • ME/ECE 951 – Advanced Controls I

Research Areas

  • Gyroless observer-based attitude and nutation control for spin-stabalized spacecraft
  • Relative position estimation and control for precise formation flying spacecraft about the L2 Libration point of the Earth/Moon and Sun system
  • Lunar and extreterrestrial suface navigation and determination with limited sensors
  • Experimental analysis and verification of dynamics for spin-stabalized spacecraft
    • Flexible boom dynamics
    • Observer-based nutation control
    • On-board orbital feedback control
  • Feedback control of fish cage systems for open aquaculture
  • Variable structure system applications to state estimation and control of deterministic systems

Publications

  • Edwards, C. and Fridman, L. and Thein, M. L., "Fault Reconstruction in a Leader/Follower Spacecraft System Using Higher Order Sliding Mode Observer," AIAA Journal of Guidance, Control, and Dynamics (under review).
  • Thein, M. L., "A Variable Structure Parallel Observer System for Robust State Estimation of Multirate Systems," accepted for publication to the Transactions of the ASME Journal of Dynamic Systems, Measurement and Control.
  • Pukdeboon, C. and Zinober, A. and Thein, M. L., "Quasi-Continuous Higher Order Sliding-Mode Controllers for Spacecraft-Attitude-Tracking Maneuvers," IEEE Transactions on Industrial Electronics, Vol. 57, No. 4, April 2010.
  • Waterhouse, D. and Dunstan, M. and Kramer, M. and Kite, J. and Jenkins, B. and Thein, M. L., "TableSat Generation II: a Limited 5-DOF Table Top Prototype for NASA's Magnetospheric MultiScale (MMS) Mission," accepted for publication in the Proceedings of the 2010 AIAA/AAS Astrodynamics Specialist Conference, August 2010.
  • Waterhouse, D. and Dunstan, M. and Kramer, M. and Kite, J. and Jenkins, B. and Thein, M. L., "TableSatII for NASA's Magnetospheric MultiScale (MMS) Mission - A Problem in Orbit and Attitude Determination and Control, " AAS 10 - 255,Proceedings of the 20th AAS/AIAA Space Flight Mechanics Meeting, San Diego, CA, February 2010.
  • Mushaweh, N. and Jenkins, B. and Castelli, D. and Thein, M. L., "A Comparative Analsysis of Body-Rate Estimation Techniques for the NASA Magnetospheric Multiscale (MMS) Mission Spacecraft," AIAA-2009-5949, Proceedings of the 2009 AIAA Guidance, Navigation, and Control Congress and Exposition, Chicago, IL, August 2009.
  • Mushaweh, N. and Thein, M. L., "Comparative Observer-Based Nutation Control Techniques for NASA Magnetospheric Multiscale (MMS) Mission Spacecraft," AIAA-2008-7484, Proceedings of the 2008 AIAA Guidance, Navigation, and Control Congress and Exposition, Honolulu, HI, August 2008.
  • Thein, M. L., "Celestial Navigation (CelNav): Lunar Surface Navigation," AIAA-2008-6759, Proceedings of the 2008 AIAA/AAS Astrodynamics Specialist Congress and Exposition, Honolulu, HI, August 2008.
  • Borrelli, M. J. and Thein, M. L., "Feedback Control During Orbital Transfers of a NASA MMS Spin-Stabilized Spacecraft," AIAA-2008-7084, Proceedings of the 2008 AIAA/AAS Astrodynamics Specialist Congress and Exposition, Honolulu, HI, August 2008.
  • Farrar, M. S. and Thein, M. L., "Comparative Analysis of Control Techniques for Satellite Formation Flying Orbiting About the Earth-Sun L2 Point," AIAA-2008-7358, Proceedings of the 2008 AIAA/AAS Astrodynamics Specialist Congress and Exposition, Honolulu, HI, August 2008.
  • Pukdeboon, C.; Zinober, A. S. I.; Thein, M. L., "Quasi-continuous higher-order sliding mode controller designs for spacecraft attitude tracking manoeuvres", Proceedings of the International Workshop on Variable Structures Systems (VSS 08), June 8-10, pp. 215 - 220, June 2008.

M. Robinson Swift, Professor

in
Office: 
Kingsbury Hall W115
Phone: 
(603) 862-1837
Fax: 
(603) 862-1865

Credentials

Ph.D., Mechanical Engineering, (Summa Cum Laude), University of New Hampshire, 1974
B.S., Mechanical Engineering, University of New Hampshire, 1971

Prof. Swift is professionally active in conducting research in ocean engineering. Projects include work in oil spill response engineering, compliant ocean structures, estuarine tidal dynamics and non-point source pollution. He has often offered senior projects in these areas thereby including undergraduates in the research and development experience.

Prof. Swift's teaching activities have generally been in the mechanics and ocean engineering areas. At the present time he is teaching ME 526 - Mechanics II, and regularly offers ME 7/827 - Advanced Mechanics of Solids, and OE 7/854, Ocean Waves and Tides, ME 922 - Continuum Mechanics, ME 926, Theory of Elasticity,, OE 954 - Ocean Waves and Tides II, and OE 956 - Dynamics of Moored Systems are given on an alternative year basis. He is coordinator of Ocean Projects - Tech 797 - a senior design course alternative that offers financial support for projects in the marine area. He also serves as the Honors-in-Major coordinator for Mechanical Engineering.

Research Areas

Publications

  • DeCew, J., B. Celikkol, K. Baldwin, M. Chambers, J. Irish, M.R. Swift, and I. Tsukrov (2012) “The Design, Deployment, Utilization and Recovery of an Offshore Mooring for Fin Fish Aquaculture”, World Aquaculture, Vol. 43, 32-26.
  • Tsukrov, I., A. Drach, J. DeCew, M.R. Swift, B. Celikkol (2011) “Characterization of Geometry and Normal Drag Coefficients of Copper Nets”, Ocean Engineering, Vol. 38, 1979-1988.
  • Decew, J., I. Tsukrov, A. Risso, M.R. Swift, B. Celikkol (2010) “Modeling of Dynamic Behavior of a Single-Point Moored Submersible Fish Cage Under Currents”,  Aquaculture Engineering, Vol. 43, 38-45.
  • Patursson, O., Swift, M., Tsukrov, I., Simonsen, K., Baldwin, K., Frediksson, D., and Celikkol, B., “Development of a Porous Media Model with Application to Flow Through and Around a Net Panel,” Ocean Engineering, Vol. 37, 314-324 (2010).
  • Turmelle, C., Swift, M., Celikkol, B., Chambers, M.,  and DeCew, J., “Design of a 20-Ton Capacity Finfish Aquaculture Feed Buoy,” World Aquaculture, Vol. 40, No 2, 35-38 (2009).

John McHugh, Associate Professor

in
Office: 
Parsons Hall N129
Phone: 
(603) 862-1899
Fax: 
(603) 862-1865

Credentials

Ph.D., Applied Mechanics, University of Michigan
M.S., Applied Mechanics, University of Michigan
B.S., Naval Architecture and Marine Engineering, University of Michigan

Prof. McHugh has interests in fluid mechanics and applied math. He has held full-time positions at the David Taylor Research Center and the Transocean. He is a frequent visitor to the National Center for Atmospheric Research, and he has held visiting positions at the Air Force Geophysics Lab, the Jet Propulsion Lab, MIT, and University College London.

Prof. McHugh is primary interested in analytical and computational solutions to physical problems. His current research topics include internal waves in the atmosphere of earth and other planets, origins of the deep ocean circulations, and non-linear waves on the surface of a fluid.

Research Areas

  • Fluid mechanics
  • Geophysical Flow
  • Stability and Waves
  • Atmospheric turbulence
  • Energy and the environment
  • Math

Publications

J. P. McHugh and R. H. J. Grimshaw, "Reflection of an internal wave at an interface representing a rapid increase in viscosity," Geophysical and Astrophysical Fluid Dynamics, DOI:10.1080/03091929, 2013.

D. Sitarski, R. J. Lee, J. R. Saylor, and J. P. McHugh, "Large-scale circulation n a rectangular enclosure with periodic boundary temperature," Journal of Fluids Engineering, v 135, 2013.

R. H. J. Grimshaw and J. P. McHugh, "Steady and unsteady nonlinear internal waves incident on an interface," Quarterly J. Royal Met Soc, DOI:10.1002/gj2093, 2012.

J. P. McHugh and R. D. Sharman, "Generation of mountain wave-induced mean flows and turbulence near the tropopause," Quarterly J. Royal Met Soc, DOI:10.1002/gj2035, 2012.

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