Wrong Result with huge Displacement
Hello everyone,
Currently I am doing an optimization and I get Error 312, which states that there is a Problem with the stiffness. The Displacement is huge to be exact. So, to find the Problem I checked all the BC`s and the material but coud not find anything. I created a new model just to check if an simple analysis would work and it did not get the Error but here is the Problem: the displacement is 2.07e+08 in two directions. I can not find the source for this mistake.
The material is the standard steel with 210000 E-Modulus with card Image MAT1. NU and RHO are defined as well.
The cube has a side length of 100mm.
I created two Load Collectors, one for the Constraint and one for the Force and one Loadstep, both do not have Card Images.
The Mesh is a SolidMap and the Property is PSOLID.
Where could this error come from?
tbh I am not very aware of Card Images and which ones to use.
Thank you all.
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Answers
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With solid element, constraint 1 node is not enough.
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