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ANSYS seems to curve fit biaxial stress-strain data very well up to 90% (and calculate representative coefficients for the Mooney Rivlin model). Yet when I extract data from the equibiaxial region of my planar biaxial simulation, ANSYS estimates stresses not in line with the curve I used to...

Does anyone know the form of the equation that ANSYS uses to curve-fit biaxial stress-strain data for a 2-parameter Mooney-Rivlin model? The regression is said to be linear and the help document seems only to discuss the strain energy density function. In the special equibiaxial circumstance...

Sounds like an issue that Workbench is having with the display settings on your operating system (OS). What OS are you using? If you're using XP, Vista or 7, you will have different ways to adjust the display themes so I think you should try to apply the simplest theme (perhaps the one...

I'd like to define my own equation to be plotted as a colored contour on my model but cannot seem to find information online regarding the process for doing this. Please advise. Thanks

I'm still a novice at ANSYS but it is possible to study contact between two dissimilar materials if they are initially in a no-stress contact state. Could you take that a step further and apply a displacement and or velocity to one of the materials from a non-contacted position and do a...