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From the command manual: The default eigensolver is able to solve only for N-1 eigenvalues, where N is the number of inertial DOFs. When running into this limitation the -fullGenLapack solver can be used instead of the default Arpack solver. Try changing the solver from -genBandArpack to -fullGenLap...

Hi, I'm having some problems with using the Dodd-Restrepo material. I'm modelling a simple spring and giving it a push-pull cyclic load. I get good results with steel02 and Ramberg-Osgood material, however when I use the Dodd-Restrepo I get negative deformations even if I'm applying a positive force...