- 3D Meshing- 3D Meshing 3D Meshing 3D Meshing 3D MeshingThis chapter includes material fromthe book Practical Finit This chapter includes material fromthe book Practical Finitadditional material added by Matthias Goelke. additional material added by Matthias Goelke.hen To !se 3D "lements hen To !se 3D "lements hen To !se 3D "lements#$$%& ' y ' ()& ' y ' (*$$ ' #$$ ' +$)*$$ ' #$$ ' +$,3D elements should be used -hen all dimensions are comparable. 3D elements should be used -hen all dimensions are comparable.&' y '( &' y '("lement shape . Tetra/ penta/ he&/ pyramid "lement shape . Tetra/ penta/ he&/ pyramid0dditional data from user . 1othing 0dditional data from user . 1othing"lement type . 2olid "lement type . 2olidPractical applications3 Gear bo&/ engine block/ crankshaft/ etc. Practical applications3 Gear bo&/ engine block/ crankshaft/ etc.4ylinder crankcase brick mesh 4ylinder crankcase brick mesh**3D Meshing - 3D Meshing -Finite "lement 0nalysis5. 6t also has been re7ie-ed and hasFinite "lement 0nalysis5. 6t also has been re7ie-ed and has *$$ *$$#$$+$ +$parable. parable.4rank 2haft Tetra Meshing 4rank 2haft Tetra Meshing- 3D Meshing- 3D Meshing 3D "lement Types 3D "lement Types 3D "lement Types3D "lements 3D "lementsTetra Penta or edge Tetra Penta or edge8inear Penta 9 8inear Tetra : Tetra :Parabolic Parabolic Penta *+ ParabolicTetra *$Parabolic Penta *+Dofs For 2olid "lements Dofs For 2olid "lements Dofs For 2olid "lements#D thin shell and *D beam element supports 9 dofs/ but all solid #D thin shell and *D beam element supports 9 dofs/ but all solid*$ noded tetra element has total of *$ & 3 ; 3$ dofs *$ noded tetra element has total of *$ & 3 ; 3$ dofshy does a solid element ha7e only 3 translational and no rotational hy does a solid element ha7e only 3 translational and no rotational4onsider a piece of paper