# Igor Tsukrov, Professor

# Igor Tsukrov, Professor

## Credentials

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

- Multiscale Studies of Carbon/Carbon Composites
- Open Ocean Aquaculture Engineering
- Utilization of Stress-Based Failure Criterion to Advance Sheet Metal Forming
- Prevention of Microcracking in 3D Woven Composites
- Utilization of Copper Alloys for Marine Applications

## 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.