Hello everyone, I need some clarify in my simulation with ansys.
I have to do compression test for some lattice. The material is Ti6al4v and I defined kinematic isotropic hardening as a plastic behavior.
von mises stress result, shows me high value , some times near yield and some time more than yield around 1600 MPa or maybe more.
My question is, why in article the maximum von mises is very small value for this type of lattice e.g. 5, 20, 45, ...MPa not equal to yield or more than yield??
Where do I make a mistake about my simulation process in ansys,
Need to do additional work?
Need to define additional parameter in material?
any body can help?
Update, I defined "multilinear isotropic hardening" for plasticity behavior
Kindly refer to the below link. I hope this may help you to get an idea.
https://www.simscale.com/blog/2017/04/von-mises-stress/
https://www.simscale.com/projects/ahmedhussain18/bumpert/
https://www.simscale.com/webinars-workshops/bike-frame-structural-analysis/
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