How find Drag coefficient of a body with ANSYS CFX
Hi.
How can i find the drag coefficient of a body with ANSYS CFX? Thanks. |
Re: How find Drag coefficient of a body with ANSYS
You can integrate pressure field and shear stress field over the body surface (CFX-POST). If the integration is in the parallel direction to the flow you got drag force. If the integration is in the normal direction, instead, you got lift force.
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Re: How find Drag coefficient of a body with ANSYS
Hi,
A better way is to use the force_x/y/z functions as that calculates the total force on the surface. These can be called as a CEL expression as the simulation progresses or done in post-processing in CFX-Post. Glenn Horrocks |
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