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-   -   the grids doesn't move in dynamic mesh (http://www.cfd-online.com/Forums/fluent/48680-grids-doesnt-move-dynamic-mesh.html)

fata July 4, 2008 18:51

the grids doesn't move in dynamic mesh
 
i have made a rectangular model. the uper face is moving down by hooking a dynamic-grid-motion. but after some iterations the error occurs that the fluent identifies negative valoume. so when i check the grids, they doesn't move down with the upper face. the side faces are deforming zone and the down face is stationary. can somebody help me?


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