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Parameter set for Use Explicit Dynamic in Abacus with TNV

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Topic starter
(@giorgio-guidetti)
New Member
Joined: 1 year ago

Hi everyone,

i try to do explicit simulation with simple dog bone and peek material calibrated with TNV model, but i get this errore if i tick the box VUMAT defines effective modulus and if i don't tick it say me to define initial modulus:

Bad Material definition in element number 8 instance T_BONE_A-1: zero or negative initial dilatational modulus caused by bad material data. Please check your material input and any initial conditions if necessary.

Does everyone have experience on what parameter to set for explicit simulation ?

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