We have an exciting announcement about badges coming in May 2025. Until then, we will temporarily stop issuing new badges for course completions and certifications. However, all completions will be recorded and fulfilled after May 2025.

Ansys Learning Forum › Forums › Discuss Simulation › General Mechanical › Inconvergence error in Transient Structural › Reply To: Inconvergence error in Transient Structural

March 14, 2024 at 7:36 am
mjmiddle
Ansys Employee

The discussion and pictures have all been about a structiral model so far. You lastest post descibes a heat input and temperature output, which is a different analysis, so I assume you have a one-way thermal analysis linkage into this structural model. I don't know if your time stepping of 640 sec load step, 16 s intital, 12.8 s min, 64 s max are for the thermal or structural analysis. For a structural analysis, this means only a max of 50 substeps. In a problem model, you can allow for a lot more substeps, like 1e5. This would be a 0.0064 minimum time step. The auto time stepping can adjust larger when time stepping is easier.