Dr. Borys Drach

PhD., Virginia Tech 2012

Ph.D., University of New Hampshire, 2013

Lab: Computational Mechanics of Materials and Structures Lab

Research Interests

  • Composite materials: modeling and characterization
  • Computational solid mechanics. Finite element analysis
  • Mechanics of materials: multiscale analytical modeling and characterization
  • Micromechanics
  • Additive manufacturing
  • Experimental solid mechanics

Teaching

  • ME236: Engineering Mechanics I – Statics
  • ME237: Engineering Mechanics II – Dynamics
  • ME326: Mechanical Design
  • ME333: Intermediate Dynamics
  • ME460/ME518: Finite Element Analysis
  • ME580: Engineering Analysis II – Numerical Methods
  • ME509: Individualized Study – Composite Materials
  • ME510: Special Topics – Advanced Damage Models and Failure in FEA
  • BIOL550/ME510: Introduction to Biomechanical Simulation
  • Boy Scouts of America – Composites Merit Badge

Recent Publications

Journal Papers

  1. Gross, T., Buntrock, H., Vasylevskyi, K., Drach, B., Tsukrov, I., (submitted). “Use of blind hole drilling to estimate intrinsic residual stress fields in orthogonal and ply-to-ply 3D woven composites: comparison of finite element modeling and electronic speckle pattern interferometry displacement measurements”, Composites Science and Technology
  2. Vasylevskyi, K., Tsukrov, I., Drach, B., Buntrock, H., Gross, T., (submitted). “Identification of Process-Induced Residual Stresses in 3D Woven Carbon/Epoxy Composites by Combination of FEA and Blind Hole Drilling”, Composites Part A: Applied Science and Manufacturing
  3. Ewert, A.*, Drach, B., Vasylevskyi, K., Tsukrov, I., (submitted). “Predicting the overall response of an orthogonal 3D woven composite using simulated and tomography-derived geometry”, Composite Structures
  4. Galdino da Silva, H.*, Vasylevskyi, K., Drach, B., Tsukrov, I., 2019. “Applicability of Two-Step Homogenization to High-Crimp Woven Composites”, Composite Structures, 226, 111157
  5. Vasylevskyi, K., Drach, B., Tsukrov, I., 2018. “On Micromechanical Modeling of orthotropic solids with parallel cracks”, International Journal of Solids and Structures, 144-145, 46-58
  6. Kuksenko, D.*, Bohm, H., Drach, B., 2018. “Effect of micromechanical parameters of composites with wavy fibers on their effective response under large deformations”. Advances in Engineering Software, 121, 206-222
  7. Drach, B., Tsukrov, I., Trofimov, A.*, Gross, T., Drach, A., 2018. “Comparison of stress-based failure criteria for prediction of curing induced damage in 3D woven composites”. Composites: Part A, 189, 366-377
  8. Potter, S., Graves, J., Drach, B., Leahy, T., Hammel, C., Feng, A., Baker, A., Sacks, M., 2018. “A Novel Small-Specimen Planar Biaxial Testing Device for Inverse Model Validation of Soft Tissues”. Journal of Biomechanical Engineering, 140(5)
  9. Kalo, K., Grgic, D., Auvray, C., Giraud, A., Drach, B., Sevostianov, I., 2017. “Effective elastic moduli of a heterogeneous oolitic rock containing 3-D irregularly shaped pores”. International Journal of Rock Mechanics and Mining Sciences, 98, 20-32
  10. Kuksenko, D.*, Drach, B., 2017. “Effective conductivity of materials with continuous curved fibers”. International Journal of Engineering Science, 118, 70-81
  11. Trofimov, A.*, Drach, B., Sevostianov, I., 2017. “Effective elastic properties of composites with particles of polyhedral shapes”. International Journal of Solids and Structures, 120, 157-170
  12. Seyedkavoosi, S., Zaytsev, D., Drach, B., Panfilov, P., Gutkin, M., Sevostianov, I., 2017. “Fraction-exponential representation of the viscoelastic properties of dentin”. International Journal of Engineering Science, 111, 52-60
  13. Trofimov, A.*, Drach, B., Kachanov, M., Sevostianov, I., 2017. “Effect of a partial contact between the crack faces on its contribution to overall material compliance and resistivity”. International Journal of Solids and Structures, 108, 289-297
  14. Gross, T., Jafari, H., Kusch, J., Tsukrov, I., Drach, B., Bayraktar, H., Goering, J., 2017. “Measuring Failure Stress of RTM6 Epoxy Resin under Purely Hydrostatic Tensile Stress using Constrained Tube Method”. Experimental Techniques, 41, 45-50
  15. Drach, B., Kuksenko, D.*, Sevostianov, I., 2016. “Effect of a curved fiber on the overall material stiffness”. International Journal of Solids and Structures, 100-101, 211-222
  16. Drach, B., Tsukrov, I., Trofimov, A.*, 2016. “Comparison of full field and single pore approaches to homogenization of linearly elastic materials with pores of regular and irregular shapes”. International Journal of Solids and Structures, 96, 48-63
  17. Tsukrov, I., Drach, B., Trofimov, A.*, 2015. “Comparison of Full Field and Single Inclusion Approaches to Homogenization of Composites with Non-Ellipsoidal Pores”. Key Engineering Materials (Advances in Fracture and Damage mechanics XIII), 627, 309-312
  18. Sevostianov, I., Kachanov, M., Drach, B., 2014. “On the effect of interactions of inhomogeneities on the overall elastic and conductive properties”. International Journal of Solids and Structures 51, 4531-4543
  19. Knezevic, M., Drach, B., Ardeljan, M., Beyerlein, I.J., 2014. “Three dimensional predictions of grain scale plasticity and grain boundaries using crystal plasticity finite element models”. Computer Methods in Applied Mechanics and Engineering, 277, 239-259
  20. Drach, B., Drach, A., Tsukrov, I., 2014. “Prediction of the effective elastic moduli of materials with irregularly-shaped pores based on the pore projected areas”. International Journal of Solids and Structures, 51, 2687-2695
  21. Drach, A., Drach, B., Tsukrov, I., 2014. “Processing of fiber architecture data for finite element modeling of 3D woven composites”. Advances in Engineering Software, 72, 18-27

* – Graduate advisees

 

Refereed Conference Proceedings

  1. Ewert, A.*, Galdino da Silva, H.*, Vasylevskyi, K., Tsukrov, I., Drach, B., 2019. “Effect of unit cell geometry and fiber waviness on the overall mechanical response of 3D woven composites”. Proceedings of the 34th ASC Technical Conference, Atlanta, GA, USA
  2. Gross, T., Buntrock, H., Vasylevskyi, K., Tsukrov, I., Drach, B., 2019. “Effect of pick spacing and warp and weft volume fraction on intrinsic residual stresses in 3D woven composites”. Proceedings of the 34th ASC Technical Conference, Atlanta, GA, USA
  3. Galdino da Silva, H.*, Drach, B., Vasylevskyi, K., Tsukrov, I., Gross, T., 2019. “Effect of Matrix Viscoelasticity on Prediction of Residual Stresses in Orthogonal 3D Woven Composites”. Proceedings of the 13th International Conference on Numerical Methods in Industrial Forming Processes – NUMIFORM 2019, Portsmouth, NH, USA
  4. Vasylevskyi, K., Buntrock, H., Gross, T., Tsukrov, I., Drach, B., “Numerical Evaluation of Reinforcement Morphology Contribution to Process-Induced Residual Stresses in 3D Woven Composites”. Proceedings of the 13th International Conference on Numerical Methods in Industrial Forming Processes – NUMIFORM 2019, Portsmouth, NH, USA
  5. Tsukrov, I., Vasylevskyi, K., Drach, B., Buntrock, H., Gross, T., 2018. “Utilizing numerical models to identify process-induced residual stresses in 3D woven carbon/epoxy composites”. Proceedings of the 13th International Conference on Textile Composites – TEXCOMP-13, Milan, Italy
  6. Galdino da Silva, H.*, Drach, B., 2018. “Applicability of Two-Step Homogenization in High-Crimp Woven Composites”. Proceedings of the 33rd ASC Technical Conference, Seattle, WA, USA
  7. Tsukrov, I., Drach, B., Drach, A., Gross, T., 2017. “Utilizing Stress-Based Failure Criteria for Prediction of Curing Induced Damage in 3D Woven Composites”. Proceedings of the 21st International Conference on Composite Materials – ICCM21, Xi’an, China
  8. Kuksenko, D.*, Drach, B., Tsukrov, I., 2017. “Prediction of Damage Initiation and Simulation of Damage Propagation in 3D Woven Composites During Processing”. Proceedings of the 32nd ASC Technical Conference, West Lafayette, IN, USA
  9. Tsukrov, I., Drach, B., Trofimov, A.*, Vasylevskyi, K., 2016. “Homogenization of linearly elastic materials with pores of irregular shapes via direct FEA and single pore approaches”. Proceedings of the 31st ASC Technical Conference and ASTM D30 meeting, Williamsburg, VA, USA
  10. Drach, B., Drach, A., Tsukrov, I., Penverne, M., Lapusta, Y., 2014. “Finite element models of 3D woven composites based on numerically generated micro-geometry of reinforcement”. Proceedings of the 29th ASC Technical Conference, 16th US-Japan Conference on Composite Materials, & ASTM D30 50th Anniversary meeting, San Diego, CA, USA
  11. Tsukrov, I., Drach, A., Drach, B., Bayraktar, H., Goering, J., Gross, T., 2014. “Numerical predictions of damage initiation in 3D woven composites under various loading conditions”. Proceedings of the 29th ASC Technical Conference, 16th US-Japan Conference on Composite Materials, & ASTM D30 50th Anniversary meeting, San Diego, CA, USA

* – Graduate advisees