Thursday 19 April 2012

Meshing Methods in FEA


There are two main meshing methods in FEA: Free mesh and Mappped mesh
 
Free Mesh/Automated Mesh/Unstructured Mesh
Has no element shape restrictions.
The mesh does not follow any pattern.
Suitable for complex shaped areas and volumes.
 
Free mesh

 
 
 






Mapped Mesh/Manual Mesh/Structured Mesh
Restricts element shapes to quadrilaterals for areas and hexahedral (bricks) for volumes.
Typically has a regular pattern with obvious rows of elements.
Suitable only for “regular” areas and volumes such as rectangles and bricks.
 
Mapped mesh

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