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Free Meshing vs Mapped Meshing. The Debate Continues…. Free Meshing. ANSYS has a free meshing routine and its easy to use Will it give good results when compared with mapped meshing?. Free Meshing. Create the Geometry. Free Meshing. Create the Geometry. Define the Mesh Size
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Free Meshing vs Mapped Meshing The Debate Continues…
Free Meshing • ANSYS has a free meshing routine and its easy to use • Will it give good results when compared with mapped meshing?
Free Meshing • Create the Geometry
Free Meshing • Create the Geometry • Define the Mesh Size >Preprocessor >Meshing>Size Controls>Manual Size>Global>Size
Free Meshing • Create the Geometry • Define Mesh Size >Preprocessor >Meshing>Size Controls>Smart Size>Basic
Free Meshing • Create the Geometry • Define Mesh Size • Free Mesh >Meshing>Mesh> Areas>Free>Select the Area to Mesh
Free Meshing • Good- -easy to create the geometry -meshing is fast • Bad- -some triangular elements are used -some elements may have poor aspect ratios
Mapped Meshing • Create the Geometry -create the geometry in smaller sub areas using key points and lines
Mapped Meshing • Create the Geometry • Concatenate Lines -sub areas must be bounded by 3 or 4 lines -concatenate lines around areas until each sub area has no more than 4 boundary lines
Mapped Meshing • Create the Geometry • Concatenate Lines • Mesh each area separately Meshing>Mesh> Areas>Mapped>3 or 4 sided
Mapped Meshing • Create the Geometry • Concatenate Lines • Mesh each area separately • Optional: Check Mesh -Meshing>Check Mesh>Individual Elm>Plot Warning/Error Elements
Mapped Meshing • Good -Lots of control over meshing and elements • Bad -takes a lot more time to create the geometry