第 3章 ANSYS 13.0 Workbench 网格划分及操作案例

1 3 ANSYS Workbench . CAE . CAE .. ANSYS Workbench . ANSYS .. ANSYS .. ANSYS .. CPU .. ANSYS ANSYS Workbench Mesh . ANSYS ANSYS ICEM CFD TGRID . CFX MESH GAMBIT ANSYS Mesh .. Fluent CFX POLYFLOW .. Mesh Workbench . ANSYS Workbench . ANSYS Workbench Mesh . 3 1 . 3 1 . ANSYS W orkbench . 3 2 . 3 2 . 3 2 Geometry . Coordinate Systems Connections Mesh . Mesh Mesh . Mesh . Meshing Options .. ANSYS Workbench . 1 . 2 . 3 . 4 . 5 .. 1 . Meshing Options 3 2 .. 1 Physics Preference .. 2 Mesh Method . 3 Set Physics and Create Method Mesh . 92. ANSYS W orkbench 3 .. 4 Set Meshing Defaults . 5 . 2 3D . 6 3D Mesh Control Method . 6 3 3 . 3 3 3D . 1 Automatic .. 2 Tetrahedrons TGrid Patch Conforming ICEM CFD Patch Independent . Patch Conforming . CAD . Patch Independent .. ANSYS .. Mesh Insert Method Method . =Tetrahedrons Algorithm =Patch Conforming 3 4 .. Mesh Insert Method Method . =Tetrahedrons Algorithm =Patch Independent . Min Size Limit =2mm 3 5 .. Mesh Based Defeaturing . Curvature and Proximity Refinement ANSYS .

2 93. ANSYS W orkbench . Smooth Transition . ICEM CFD Write ICEM CFD Files Mesh Based Defeaturing =ON Defeaturing Tolerance . 3 5 . 3 4 . 3 5 . CFD .. 3 6 . 3 6 . 3 . 94. ANSYS W orkbench 3 . Hex Dominant Sweep . MultiZone .. 1 Hex Dominant .. CFD . Mesh Insert Method .. Method =Hex Dominant 3 7 . 3 7 . 2 Sweep .. Mesh Show Sweepable Bodies . 3 8 . 3 8 . Mesh Insert Method .. Method =Sweep Src/Trg Selection =Automatic Thin Sweep Num Divs =2 3 9 . 3 9 . 95. ANSYS W orkbench . 3 MultiZone ANSYS ICEM CFD .. / Free Mesh Type . Tetra Hexa Dominant Hexa Core .. Mesh Insert Method . Method =MultiZone Free Mesh Type =Not Allowed/Tetra/Hexa Dominant/Hexa Core / Src/Trg Selection . =Automatic/ManualSource Src/Trg Selection =ManualSource . Source 3 10 . 3 10 . 4 CutCell Cartesian ANSYS CutCell . ANSYS FLUENT .. 1 CutCell . Mesh CutCell Meshing Active =Yes CutCell . 3 11 . Physics Preference =CFD Solver Peference =Fluent . Use Advanced Size Function =On .. Proximity Size Function Sources =Edges.

3 3D . CutCellMeshing Feature Capture 40 . 0 CAD . Tessellation Refinement Absolute Tolerance . Statistics CutCellMeshing . 96. ANSYS W orkbench 3 . 3 11 CutCell . 2 CutCell . CutCell CFD & fluent . CutCell CutCell .. CutCell .. Fluent . CutCell CutCell . / / / .. 3 CutCell .. CAD . 3D 1/2 .. 3 2D . ANSYS FLUENT Mechanical 2D 2D 3D . 97. ANSYS W orkbench . FLUENT 2D XY Y X . CFX 2D 2D . 2D 5 . 4 . 1 Automatic . 2 Triangles . 3 Uniform Quad/Tri . 4 Uniform Quad . ANSYS 3 12 . 3 12 . Mesh Connections Mesh Connections .. 3 13 2 100 . Edge Coloring .. 3 13 .. CutCell .. 98. ANSYS W orkbench 3 .. CutCell . Mesh 3 1 . 3 1 .. Defaults .. 100 +100 . Sizing .. Inflation .. 5 .. Advanced .. 4 .. Defeaturing .. 99. ANSYS W orkbench .. Statistics .. l . l .. l .. l CutCell . l . l . l . 1 . Physics Preference 4 CFD . Mechanical Explicit Electromagnetics . CFD . Solver Preference Fluent CFX POLYFLOW ANSYS . CutCell Fluent CFX . 3 14 . 3 14 . 2 . 1 Relevance Relevance Center .. 100 +100 . Fine Medium Coarse 3.

4 3 15 . 2 Advanced Sizing Functions .. 5 3 16 . 1 Off 2D .. 100. ANSYS W orkbench 3 . 3 15 . 2 Curvature Curvature Normal Angle . 0 180 .. 3 Proximity .. 4 Proximity and Curvature . 5 Fixed .. 3 16 . CutCell Proximity and Curvature Proximity . Proximity Size Function Sources .. 3 3 16 . 1 Min Size .. 101. ANSYS W orkbench . 2 Max Face Size CutCell . 3 Max Size . 4 Element Size .. 5 Initial Size Seed . CutCell 3 3 17 . 1 Active Assembly . / . 2 Full Assembly .. 3 Part .. 6 Smoothing . 3 High Medium Low 3 18 . CutCell .. 3 17 3 18 . 7 Transition Slow Fast . 3 19 . CutCell .. 3 19 . 8 Span Angle Center . 3 . Coarse 91 60 Medium 75 . 24 Fine 36 12 3 20 CutCell . 3 Inflation .. 102. ANSYS W orkbench 3 .. 3 21 . 3 20 . 3 21 . 1 Use Automatic Inflation 3 . 1 None . 2 Program Controlled . 3D .. 3 All Faces in Chosen Named Selection .. 2 Inflation Option . 1 Smooth Transition .. 2 First Layer Thickness . 3 Total Thickness . 4 First Aspect Ratio ANSYS .. 5 Last Aspect Ratio ANSYS .. 3 Inflation Algorithm.

5 1 Post .. 2 Pre .. 103. ANSYS W orkbench . 4 Collision Avoidance .. 3 22 . 1 None . 2 Layer Compression Fluent .. 3 Stair Stepping CFX .. 3 22 . CutCell .. 4 CutCell . CutCell ANSYS ANSYS FLUENT .. CFD Activel =Yes . CutCell . 5 Defeaturing . CutCell Pintch Automatic Mesh Based Defeaturing .. 1 Pintch Tolerance .. 2 Generate After Refresh .. 3 Automatic Mesh Based Defeaturing .. 6 Statistics . 3 2 ANSYS .. 104. ANSYS W orkbench 3 . 3 2 . Mesh Metric .. Mesh Control 3 3 .. 3 3 . Mesh Control .. Cutcell Sizing Inflation . 1 Sizing . Sizing . 1 Element Size . 2 Number of Divisions CutCell . 1 Bias Type Bias Factor .. 2 Behavior Soft Hard Soft . Hard .. 105. ANSYS W orkbench .. 3 Sphere of Influence . CutCell . 1 . Sphere Radius Element Size .. 2 .. 3 .. 4 . 3 23 . 3 23 . 2 Contact Sizing . Contact Sizing .. Element Size Relevance . 3 24 .. 3 24 . 3 Refinement . Refinement . Patch Independent Tetrahedrons CutCell UniformQuad/Tri Uniform Quad . 1 3 1. 1 . 3 25 . 106. ANSYS W orkbench 3.

6 3 25 .. 1 .. 2 .. 3 .. 4 Mapped Face meshing . Mapped Face meshing 3 26 .. 3 26 . Mesh Show Mappable Faces . Sweep Patch Conforming Hexa Dominant QuadDominant Triangles Multizone . Uniform Quad/Tri Uniform Quad CutCell . Specified Sides Specified Corners Specified Ends Specified Sides 136 224 . 1 Specified Corners 225 314 . 2 Specified Ends 0 135 . 3 27 . Radial Number of Divisions .. 5 Match Control . Match Control 3D 2D . 107. ANSYS W orkbench .. 3 28 . 3 27 . 3 28 . Post Inflation Algorithm . Cyclic . Arbitrary CutCell . 6 Pintch . Pintch . CutCell . 1 Patch Conforming Tetrahedrons .. 2 Thin Solid Sweeps . 3 Hex Dominant . 4 Quad Dominant Surface Meshing . 5 Triangles Surface .. 7 Inflation .. Virtual Topology . 108. ANSYS W orkbench 3 . Virtual Cell .. 3 29 . 3 29 .. 1 Model Insert Virtual Topology . 2 Virtual Topology . 3 Insert Virtual Cell . ANSYS Virtual Topology . Virtual Split Edge at+ Virtual Split Edge . Split Ratio .. F4 3 30 . 3 30 .. Connections . ANSYS FLUENT ANSYS .

7 CFX . DM .. DM .. 1 .. 109. ANSYS W orkbench . FLUENT Grid Interface CFX GGI . 2 .. FLUENT .. FLUENT Grid Interface CFX GGI .. FLUENT Fuse .. 1 Named Selections . DM .. FLUENT CFX Pre . DM CAD . 2 . Mesh .. Generate Mesh Preview Surface Mesh .. CutCell .. 3 31 . 3 31 . Tgrid .. 3 Section Plane .. 3 32 . 110. ANSYS W orkbench 3 . 3 32 .. / .. ANSYS .. 1 . Mesh Metric .. 3 33 ANSYS .. 1 Element Quality . 0 1 1. 0 . 2 Aspect Ratio 3 33 . 1 . 20 20 1E6 . 3 33 . 3 Jacobian Ratio .. 3 34 .. 111. ANSYS W orkbench .. 40 . 3 34 . 4 Warping Factor . 3 35 . 3 35 . 0 . 1 Shell181 7 . 5 45 .. 5 Parallel Deviation .. 3 36 0 . 70 150 . 3 36 . 112. ANSYS W orkbench 3 . 6 Maximum Corner Angle Emag FLOTRAN . 155 . 60 90 3 37 . 3 37 . 7 Skewness . 0 1 3 38 3 4 .. 3 38 . 3 4 .. 0 >0 <1 1. 8 Orthogonal Quality .. 3 39 0 1 1 0 . 3 39 .. 113. ANSYS W orkbench . Fluent CFX Fluent . CFX.. Fluent .. Fluent 3 5 . 3 5 Fluent .. 0 1. 1 0 CFX CFX . 3 . 20 100 CFX Post .. 20 CFD Post . 2 .. 3 40 . Y . / 3 41.

8 3 40 3 41 .. 1 CAD 3 42. 1 Workbench Units Metric(kg,mm,s ) .. 114. ANSYS W orkbench 3 . 2 Mesh Project Schematic . 3 CAD Geometry Import Geometry . Browse crank . 4 mesh crank . 5 Save . 3 42 CAD . 6 Geometry DM Meter OK .. 7 Generate . 8 CAD 3 43 Import1 3 3 Parts . 3 Bodies . 3 43 DM CAD . 9 Workbench Mesh . 2 3 44. 1 Mesh Generate Mesh .. 2 Model Geometry Part2 Hide All Other Bodies . 3 . 4 Mesh Control Sizing . 115. ANSYS W orkbench . 5 Apply 1 Geometry =1 Body . Element Size = . 6 Mesh Body Sizing Mesh . Generate Mesh . 7 . 3 44 . 3 3 45. 1 Mesh Control Method . 2 1 Geometry =1 Body . Method =Multizone Mapped Mesh Type =Hexa/Prism . Free Mesh Type =Hexa Core . 3 Mesh Generate Mesh . 3 45 . 3 45 . 4 3 46. 1 Model Geometry Part1 Hide All Other Bodies . 2 Mesh Control Sizing . 3 1 Geometry =1 Face . 116. ANSYS W orkbench 3 . Element Size = Face Sizing . 4 Mesh Control Sizing . 1 Geometry =1 Edge Edge Sizing . 5 Type =Number of Divisions Number of Divisions =4 . 6 Mesh Generate Mesh 3 46.

9 3 46 . 5 3 47. 1 Part3 Show All Bodies . Hide All Other Bodies . 2 Model . 3 Virtual Topology . 4 3 Virtual Topology Virtual Cell .. 5 3 . 6 Mesh Generate Mesh .. 7 3 47 . 3 47 . 6 3 48. 1 Coordinate Systems . 2 Coordinate Systems . 117. ANSYS W orkbench . 3 . 4 Origin Geometry Apply . 5 Coordinate System .. 3 48 . 7 3 49. 1 Mesh Control Sizing . Body Sizing2 . 2 1 Geometry =1 Body . Type =Sphere of Influence . Sphere Center =Coordinate System Sphere Radius = . Element Size = . 3 . 4 Mesh Generate Mesh . 5 . 3 49 . 8 3 50. 1 Mesh Control Mapped Face Meshing . 2 Ctrl 4 . 3 4 Geometry Apply . 4 Mesh Generate Mesh . 5 3 50 . 9 3 51. 1 Mesh Control Refinement . Refinement . 118. ANSYS W orkbench 3 . 3 50 . 2 Ctrl 2 . 3 Geometry Apply 2 Geometry =2 Faces . 1 . 4 Mesh Generate Mesh . 3 51 . 10 3 52. 1 Show All Bodies . Mesh Control Contact Sizing . 2 Contact Region = Contact Region 2 . Type =Element Size Element Size = . 3 . 4 Mesh Generate Mesh . 5 3 52 File Save Project .. 3 52 . 119.

10 ANSYS W orkbench .. Shared Topology Automatic . Imprints . None .. 1 Mesh . 2 3 53 . 3 53 . 1 Geometry DM mm DM XYPlane 1 Sketch1 . 2 200mm 100mm 3 53 . 3 1 Extrude1 30mm . 4 Plane4 2 Sketch2 . 5 3 53 . 6 2 Extrude2 100mm . 7 2 . 8 XYPlane Z 200mm Plane5 . 9 XYPlane Z 400mm Plane6 . 10 BodyOp5 2 XYPlane . Plane5 . 11 2 4 . 12 BodyOp6 2 XYPlane . Plane6 . 120. ANSYS W orkbench 3 . 13 3 53 2 6 . 14 Form New Parts Solid1 Solid2 . Part Automatic . 15 Form New Parts Solid a1 Solid a2 . Part Imprint . 16 Form New Parts Solid b1 Solid b2 . Part None . 3 Mesh Meshing . 3 54 . 1 Geometry 3 . 2 Connections Contact Region imprint . 3 Solid a1 Solid a2 . 4 . 5 Connections Contact Region none . 6 .. 7 Mesh Generate Mesh . 8 . 9 . 10 . 3 54 . Patch Independent . Match Mesh Where Possible .. 4 3 55 . 1 Mesh . 2 Physics Preference =Explicit . 121. ANSYS W orkbench . 3 Patch Independent . 4 Geometry =6 Bodies . 5 Advanced Min Size Limit =10mm . 6 Advanced Match Mesh Where Possible =Yes . 7 3 3 55.