Edge-based Finite Element Techniques for Nonlinear Solid Mechanics Problems
نویسندگان
چکیده
Edge-based data structures are used to improve computational efficiency of Inexact Newton methods for solving finite element nonlinear solid mechanics problems on unstructured meshes. Edge-based data structures are employed to store the stiffness matrix coefficients and to compute sparse matrix-vector products needed in the inner iterative driver of the Inexact Newton method. Numerical experiments on threedimensional plasticity problems have shown that memory and computer time are reduced respectively by factors of 4 and 6, compared with solutions using element-by-element storage and matrix-vector products.
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