This Marc workshop is intended for existing users of Marc or Nastran SOL400 (non-linear analysis). The format of the workshop will be four sessions, each with a short discussion followed by a workshop. The chosen topics cover the most common questions and support cases from customers as well as critical mistakes many users often make. At the end of this workshop, you should experience far fewer failed analyses and much faster analyses times while also be able to successfully deal with preloaded bolts, interferences fits etc.