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Matt Lewis

Type Title Author Comments Last updated
Blog entry Consistent linearized tangent moduli for hyperelastic materials... is it always a positive definite matrix? Mario Juha 10 15 years 11 months ago
Blog entry How to calculate the length of element when writting VUMAT for ABAQUS michael_chn 1 16 years 1 month ago
Forum topic Seeking a logarithmic operator for a 4th order tensor wvmars 4 16 years 5 months ago
Blog entry Weak form surajitdas 12 16 years 6 months ago
Forum topic The issue of the computation of the deformation gradient in Abaqus Malik Ait-Bachir 8 16 years 7 months ago
Forum topic Who said it first? Matt Lewis 3 16 years 9 months ago
Blog entry Any flag to check convergence of ABAQUS analysis An Danh Nguyen 4 17 years 1 month ago
Blog entry Using User Subroutine UMAT in abaqus sanjay2008 6 17 years 3 months ago
Forum topic How to model a viscoelastic material on ANSYS? Emre 4 17 years 8 months ago
Forum topic Lekhnitskii's biography Rafael G. Martos 7 18 years 6 months ago