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Showing results 1 to 5 of 5 Search took 0.00 seconds. Search: Posts Made By: ghorrocks

Forum: CFX January 12, 2014, 06:08

Replies: 11 simulation flapper movement with mesh deformation in CFX Views: 3,146 Posted By ghorrocks You appear to only have a single row of elements... You appear to only have a single row of elements in the gap. You should only start the flow when at least a few rows of elements are present. I would delay the conditional opening of the flapper...

Forum: CFX January 3, 2014, 05:26

Replies: 11 simulation flapper movement with mesh deformation in CFX Views: 3,146 Posted By ghorrocks This is a tricky motion to model. It has a lot in... This is a tricky motion to model. It has a lot in common with modelling IC engine poppet valves closing and opening - do a search on the forum for this and you should find quite a few relevant...

Forum: CFX January 1, 2014, 04:17

Replies: 11 simulation flapper movement with mesh deformation in CFX Views: 3,146 Posted By ghorrocks Can you post an image of what you are describing?... Can you post an image of what you are describing? That would be much clearer. There are many approaches to model this but until I understand what you are trying to do I will not be able to help...

Forum: CFX December 10, 2013, 17:02

Replies: 11 simulation flapper movement with mesh deformation in CFX Views: 3,146 Posted By ghorrocks Incorrect motion can cause this error, so can... Incorrect motion can cause this error, so can assigning the mesh deformation area incorrectly, also bad mesh smoothing and several other factors. If the error happens right at the start then make...

Forum: CFX December 9, 2013, 20:27

Replies: 11 simulation flapper movement with mesh deformation in CFX Views: 3,146 Posted By ghorrocks This error is saying that the motion you defined... This error is saying that the motion you defined has lead to the volume mesh turning inside out somewhere. You should output results files in the time steps leading up to the crash and have a close...

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