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Hi,
Can you check if there is any initial penetration between the seat foam and neighbouring components?
Also, use the HA8 solid formulation, set Isolid =14 with Inpts =222 and Icrep= 1 for viscoelastic material and check if this helps.
HI,
Is this happening from the very beginning of the calculation?
Can you change Ismtr to 11 and check if that helps?
If you still face the same problem, Please share the model file using the file transfer link in my signature below.
Please share the .out file for the imstr= 11.
Please try with Ismtr= 10 and check if that helps.
Meanwhile, I will check with experts on the same.
if there are any negative slopes in the material data, try to avoid them and check if that helps.
If possible, please share the material card details for the foam. If it is confidential, please use the file transfer link in my signature to share the data and material details.
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