Software Development

Examples of custom UMATS for a variety of applications: 

Nonlocal Fracture Modeling :  

Papers on GraFEA and Fracture UMATS:

Khodabakhshi, P., Reddy, J. N., & Srinivasa, A. (2016). GraFEA: a graph-based finite element approach for the study of damage and fracture in brittle materials. Meccanica, 51(12), 3129-3147.

Khodabakhshi, P., Reddy, J. N., & Srinivasa, A. (2019). A nonlocal fracture criterion and its effect on the mesh dependency of GraFEA. Acta Mechanica, 230(10), 3593-3612.

Reddy, J. N., Srinivasa, A., Arbind, A., & Khodabakhshi, P. (2013). On gradient elasticity and discrete peridynamics with applications to beams and plates. In Advanced Materials Research (Vol. 745, pp. 145-154). Trans Tech Publications Ltd.

Sarah, K., Thamburaja, P., Srinivasa, A., & Reddy, J. N. (2020). Numerical simulations of damage and fracture in viscoelastic solids using a nonlocal fracture criterion. Mechanics of Advanced Materials and Structures, 27(13), 1085-1097.

Thamburaja, P., Sarah, K., Srinivasa, A., & Reddy, J. N. (2019). Fracture of viscoelastic materials: FEM implementation of a non-local & rate form-based finite-deformation constitutive theory. Computer Methods in Applied Mechanics and Engineering, 354, 871-903.

Sarah, K., Thamburaja, P., Srinivasa, A., & Reddy, J. N. (2020). Numerical simulations of damage and fracture in viscoelastic solids using a nonlocal fracture criterion. Mechanics of Advanced Materials and Structures, 27(13), 1085-1097.

High Strain Rate Response:

Alagappan, P., Rajagopal, K. R., & Srinivasa, A. R. (2017). A three dimensional finite deformation viscoelastic model for a layered polymeric material subject to blast. Composite Structures, 159, 382-389.

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