Hi everyone,
I am trying to solve a problem of twisting a hyperelastic material(compressible neo-hookean) in abaqus.
The problem has been taken from 10.12.5 TWISTING COLUMN in the textbook NONLINEAR SOLID MECHANICS FOR FINITE ELEMENT ANALYSIS: STATICS (Javier Bonet,Antonio J. Gil,Richard D.Wood).
Lamda and mu are given as 100 each, so I have calculated the Neo-hookean coefficients for abaqus which came out to be C10=50 and D1=0.012
I am using abaqus static-general with time steps of
*Step, name=Step-1, nlgeom=YES, inc=10000
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