in transient applications can induce non-physical inertial discontinuities also. For quasi-static response such discontinuity leads to difficulties in defining a unique solution and here methods of multisurface plasticity prove useful.
We include in the chapter some illustrations of performance for many of the formu
lations and problem classes discussed; however, the range is so broad that it is not possible to cover a comprehensive set. Here again the reader is referred to literature cited for additional insight and results.