Shell Element Normals Jake Blanchard Spring 2008.

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Presentation transcript:

Shell Element Normals Jake Blanchard Spring 2008

Element/Area Normals Areas have normals, with the direction determined by the way the element is defined Elements meshed on areas will have the same normals Pressures applied to an element will be positive in the direction of the normal

Investigating Normals Create 2 areas Show normals (Plot Ctrls/Symbols/Area Direction) Flip one (Modeling/Move/Reverse Normals/of Areas) Mesh and apply pressure to all areas View pressure directions

Repeat with Curved Areas Draw an arc Extrude around axis from 0 to 30 degrees Extrude again from 0 to -30 degrees Apply pressures and look at directions