Convert prism6 to prism15 if second order is applied#243
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marioalexis84 wants to merge 1 commit intoNGSolve:masterfrom
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Convert prism6 to prism15 if second order is applied#243marioalexis84 wants to merge 1 commit intoNGSolve:masterfrom
marioalexis84 wants to merge 1 commit intoNGSolve:masterfrom
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To support this change, we conducted some research and found that the vast majority of FEM solvers, such as Abaqus or CalculiX, support only the 15-node versions of these elements. Only so-called continuum shell or solid shell elements may use 12 nodes. Moreover, the 12-node variants are not properly recognized by the Netgen GUI. Therefore, we would like to proceed with the transition to the 15-node wedge elements. |
15-node wedge in:
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Convert 6-node prism to 15-node prism if second order is applied.
Currently, the 6-node prism is converted to 12-node prism. This is problematic, if for example, the mesh is generated by extrusion with Z-refinement from a quad dominated mesh: 20-node hexahedrons are generated from the quads, while the triangles generate 12-node prisms, so the mid-height nodes of the hexahedrons are not shared with the prisms.