Create special boundary condition
Hello, we want to restrict the spc's we use in the analysis in the +z direction while releasing them in the -z direction. that is, we want to constrain only the + z direction of the z axis in the boundary condition. How can we do this in hypermesh? Can you help us with this? thank you very much.:)
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In addition to @Jason Craanen, if this is the only non-linearity in your model; it could be run as lineer too: https://blog.s-t.com.tr/2021/05/05/dogrusal-statik-analizde-yone-bagli-kosullandirma/
For more about gap elements;
Personally I have created this behavior in Optistruct by using gap elements or contact.
One specific contact with might work very well for this is Fast Contact.
https://2022.help.altair.com/2022/hwsolvers/os/topics/solvers/os/contact_os_c.htm#contact_fast_contact_c