A massive historical archive of questions and answers from top global CAE experts. Search this forum before posting; 99% of your beginner errors have already been solved here.
For those interested in high-velocity impacts, containment simulations, or penetration mechanics, the AWG provides free guidelines, tutorials, and modeling standardized practices online. 4. Free Community Forums for Troubleshooting
Set up your first : A simple cylinder hitting a rigid wall. Learn *INITIAL_VELOCITY . Phase 2: Contact and Materials (Week 3–4) ls dyna tutorials free
is arguably the most powerful and widely used software in the world for explicit dynamics and non-linear finite element analysis (FEA). From simulating car crashes and metal stamping to analyzing drop tests and blast loading, LS-DYNA solves complex real-world problems that traditional FEA software cannot handle.
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Common forum topics include solving "negative volume" problems, using dynamic relaxation features, understanding restart capabilities, and troubleshooting contact and solver errors—issues that every LS-DYNA user inevitably encounters.
Take an existing tutorial .k file. Change the material (e.g., steel to aluminum). Double the velocity. Add gravity. Observe how the solution time and result change. Phase 2: Contact and Materials (Week 3–4) is
Check : Always verify that Total Energy remains constant and Sliding Interface Energy does not turn negative.
The official Ansys LS-DYNA website offers an excellent introductory tutorial designed to get new users up and running quickly. This tutorial focuses on a practical example: a tubular structure with a square cross-section being crushed against a flat, rigid plate. The tutorial is divided into four distinct video segments, each covering a critical phase of the simulation workflow.
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What is your with FEA or other simulation software?