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September 8, 2014, 13:03 |
Negative Volume In Block
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#1 |
New Member
Amirah
Join Date: Jan 2014
Posts: 7
Rep Power: 12 |
Hello,
This problem make the solver crashed. "Computation stop because of negative volumes. Negative volume found in block." How to overcome this problem? What should I overlook? Thank you. |
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September 11, 2014, 06:47 |
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#2 |
Member
Romain
Join Date: May 2009
Posts: 40
Rep Power: 17 |
Hi,
Did it crash soon after the run started ? Are you using mesh deformation ? Do you witness significant amplitude motions ? It may be that at t=0s the body is quite far away from its final position, which leads to significant mesh deformation, which can lead to negative volumes. |
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November 19, 2014, 19:16 |
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#3 |
New Member
Join Date: Oct 2012
Location: Italy
Posts: 17
Rep Power: 14 |
You have to carefully check your mesh generation process. A common error is related to Unit value: double check it.
You may also try to refine the grid close to gaps or fillet (if there are any). www.ampsolutions.it |
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