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coupled motion object

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Old   May 28, 2020, 03:57
Default coupled motion object
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Tom
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Hello,everyone I am a newbie in flow-3d.

My question is about a box (the volume is about 200mm*150mm*47mm)filled with mortar.And I add some fiber(material:steel ,diameter: 0.38mm length: 30mm) into the box.I set the object is coupled motion and I sure the mesh include the volume.

but I try many times it always display:

1)surface area/volume for moving component 2 is zero .

2)calculated mass or moment of inertia tensor is not correct,make sure the moving object is inside the domain and the input data for mass property are correct.

hope anyone can help me the problem I was confuse for days.
Thank you very much!
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