Free Meshing vs Mapped Meshing The Debate Continues
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
- Slides: 27