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Computational Modeling of Tissue Damage and Tearing using Nonlinear Explicit Dynamics

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Dr. Kumar Vemaganti

Associate Professor Mechanical Engineering
College of Engineering
+1 (513) 556-2728

The goal of this project is to develop novel computational algorithms to model tissue damage and tearing. The ability to model and simulate tissue damage and tearing is of great importance for impact and injury biomechanics as well as surgical simulation. Using a Total Lagrangian (TL) formulation, we develop explicit algorithms that do not require the solution of a system of equations at each time step. This greatly improves the speed at which the computations are performed. Preliminary results from two-dimensional simulations confirm that the algorithms are successful in capturing tissue damage and can simulate tearing without showing any mesh dependence.

Project commenced on October 1, 2009

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