Dose nodal coordinate affect surface load?

[Lirock]

Hi,everyone:

If there is a cylinder on whose side face pressure is loaded. I know that pressure is a surface load which is loaded on the element, but in tht simulation, this element load wiil be transformed to nodes. Do I have to rotate the nodal coordinate to a cylinder coordinate system? If I don't do it, were the result be influenced?

 

[Drej]

No need to worry about this unless you have large strain/deflection effects present. If this is relevant, then you'll need to look at enabling non-linear geometry terms (NLGEOM,ON).


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[Lirock]

Hi,

But in the examples in ANSYS Help Document, when the model is cylinder, the nodes are all transformed to a cylinder coordinate system, especially when some nodes are constrained.

 

[meshparts]

When nodes are constrained you might need to rotate the nodes, if the dof must be normal to the cylinder face. For the Pressures, only the elements face normals are important.

Alex