Philippe Manzano

Same on Blender 2.93

Thank you @fandaL Here's the conf file: [beso_conf.py.zip](https://github.com/user-attachments/files/23722513/beso_conf.py.zip) and the logs (I had to rerun so it's not exactly the same result as above): [Plane_Mesh.log.zip](https://github.com/user-attachments/files/23723035/Plane_Mesh.log.zip) Could Calculix 2.23 help?

Indeed, even some one core runs of the exact same example are "out of bounds" and a few of them are almost normal, examples of both cases: On ubuntu 22.04...

Setting the force where it should be (AFAIK: one side is static, force is on the other side), ccx 2.20 slowly goes lalaland: Even iteration 62 (the peak) is weird:...