OK, folks I figured it out, and maybe the solution will help some of you. The contact sets were between sliding members, a plate and a nylon slide pad. Although the analysis was static, I put the contact sets in so the program would not generate tensile reaction forces between two contacting...
Running Cosmos 2008 on a relatively complex assy with 64 no penetration contact sets. Have run before with no problem. After making some unrelated modifications to the structure, the model will mesh but not run, citing "Improper or no target define (sic) for contact element xxxxxxx". All contact...