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Thanks for your answer, FEA way! I tried creting a single element following a code similar to the example you pointed to in your response. Following the stiffness matrix structure from the documentation as below A11 A12,A22 A13,A23,A33 A14,A24,A34,A44 A15,A25,A35,A45 A55 A16,A26,A36,A46 A56,A66...

Hi all, I'm trying to use stiffness matrices to define material behaviour. I've never used this method before and I find the documentation from Abaqus quite confusing. I've tried to use *USER ELEMENT and *MATRIX, TYPE=STIFFNESS But I'm sure I've been using them wrong as I have no idea what...

Useless remark.

Hi, I've been using SOLIDWORKS to work on a design created in CATIA. What I'm trying to do is to create several surface offsets from one side of the rod-like shape I have. That side I'm trying to offset is made up of three different surfaces. So, I knit the surfaces (using merge as well) and...

Thank you for the responses. Replacing the BC on the upper block with a 1N uniformly distributed pressure solved this issue and the model would converge quite quickly. I started having issues again when I tried tilting the cuboid in the middle a little, so the overclosure is not uniform. It...

Hi, I'm trying to model a cuboid sandwiched between two less stiff blocks, as shown in the cross-sectional view below. This model is intended for some iterative analysis where the parts are expected to have an arbitrary level of initial overclosure. I applied a surface-to-surface, hard...

I wasn't a 100% sure Press and hydrostatic pressure are the same. This helps a lot. Thanks a lot. [bigsmile]

Hi, I'm modelling and intact spinal segment under pure axial compression. In order to indirectly validate with results from literature I need to find the intradiscal pressure (hydrostatic pressure of the nucleus as I understand). The nucleus is defined as an incompressible isotropic...