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Moving Mesh and gravity falling

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I would like to make a dynamic simulation using moving mesh. To start, I just wanted to make an iron sphere falling. I used moving mesh(ale) and global equation (ge) to define the speed and the displacement of the sphere. But when I launch the study, I have the displacement and the speed increasing on the 1D plot but the sphere is not moving on the 3D plot.

What should I do? Is there something wrong with the moving mesh ? My project is below.

Thank you. Gael.

0 Replies Last Post Jan 11, 2019, 4:35 AM EST
COMSOL Moderator

Hello Gael Rocci

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