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Ballistic Abacus

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Zackervk

Zackervk

Student
Jun 1, 2021
1
I'm working on a ballistic analisys. The fibre is sufering huge deformations instead of breaking , even though the stress is higher than the strength of the material. Do you what the problem is?

Extra information:
I'm using a Vumat subroutine for reinforced composites.
I've asign a contiuum shell section to each layer of the fibre.
 
 https://files.engineering.com/getfile.aspx?folder=687a1ce8-d8e2-45c7-b851-ecbf8ffe2a7f&file=tfm_dyneema.PNG
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