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The first method is to use two materials. The necking part has a smaller E. The second method is to make a small notch on the specimen. Then, the deformation of the notch area will be larger than that of other part. Notice: because the material is not linear elastic, the increment and the...

The problem is designed to calculate the stress and strain during 5 cycles. And it is a contact problem. The .sta, .msg and .dat files show the calculation is terminated during the 2nd cycle. I cannot file other error information in the above file. I cannot understand .log file which has the...

If the straight bar has large deformation and becomes bent, how to determine the average stress of the bar. And how to determine the total reaction force of this bar with one end fixed. Thank you!

Thanks! I try according to your suggestion, and it works.

----- |box| --| |---| ----- | basement | ----------| I use transient ,ramped loading, and apply displacement UY(0.2 in) on top area to push the box up. And write LS file 1 . And then, I apply UY(0 or -0.2 in--I tried two times) on the same area, and write LS file 2 to push the box down...

if I want to apply the equavelent shear force on the nodes, but after mesh, if I click the load create , the nodes cannot be shown. is there any other methods to apply shear pressure force? Thank you.