Transcription of Solid Geometry Introduction Geometry Introduction
1 Copyright 2009 Altair Engineering, Inc. Proprietary and Confidential. All rights IntroductionCreatingandEditingSolidGeome trySolidGeometry Introduction CreatingandEditingSolidGeometryCopyright 2009 Altair Engineering, Inc. Proprietary and Confidential. All rights Geometry : What is it?A Solid is: Ageometric entity thatdefine a 3-dimensional volume Same as solids used in most CAD programsUsed in functions where defining a volume is required Hexameshing(3D : Solid map:volumesub-panel)g(pp) Tetrameshing(3D : tetramesh : volume tetrasub-panel)Especially helpful when dividing a part into multiple volumes A part can be divided into multiple, connected solids Theconnectionbetweenadjacentsolids(topol ogy)canmaintainthe Theconnectionbetweenadjacentsolids(topol ogy)canmaintainthe connectivity of mesh Aids visualization when dividing a part into simple, mappable regions (used in hexa meshing)(g)Copyright 2009 Altair Engineering, Inc.
2 Proprietary and Confidential. All rights Geometry : 3D TopologyExample: 2 connected solids in topology displaySolid faces SelectableassurfacesEdges Selectableaslines Selectableassurfaces Bounding Faces Green Belongto1solid Selectableaslines Shared Edges Green Belongto1solid Partition Faces YellowSharedbetween Belong to 2 adjacent faces of 1 Solid Non-manifold Edges Sharedbetween connected solidsg Yellow Belong to: A partition faceORFixed Points Selectable as pointsLieattheendsofedges-OR- 2 Solid facesand 1+ surfaces LieattheendsofedgesCopyright 2009 Altair Engineering, Inc.
3 Proprietary and Confidential. All rights Geometry : Tools for Creating SolidsImport Pull-down menus File > Import > Geometrypy Toolbar >Import Geometry HyperMesh will import Solid Geometry from file types that support Solid dataSolidspanel Creates Solid Geometry of basic shapes: Square / Block - Cylinder / Cone Sphere Torus Full or Partial BoundingSurfsSelectsurfacesthatencloseav olume BoundingSurfs Selectsurfacesthatencloseavolume Drag along vector Extrude" a cross section along a a defined vector Drag along normal Extrude" a cross section along surf normal vector Drag along line Extrude" a cross section along a line Spin Extrude a cross section via a circularpathppCopyright 2009 Altair Engineering, Inc.
4 Proprietary and Confidential. All rights Geometry : Tools for Editing SolidsSurfacespanel Creates surfaces using various methods Can be used to split a Solid Edges of the surface must be equivalenced to edges on the solidSolid Editpanel Trim splits a Solid into 2+ solids using: Nodes Lines Planes SurfacesMbi2djtliditillidtit Merge combine2+adjacentsolidsintoasinglesolide ntity Detach disconnects connected solids Boolean advanced trim & merge operationsUnion(SolidA+SolidB)sameasmerg e Union(SolidA+SolidB) sameasmerge Intersection( Solid A x Solid B) keeps overlapping portions of 2 solids Removal( Solid A Solid B) deletes the volume of one Solid from another Cut(Cut Solid A with Solid B) trims one Solid with another Solid ()
5 Keeps both solids, but they no longer overlapCopyright 2009 Altair Engineering, Inc. Proprietary and Confidential. All rights Geometry : Tools for Viewing SolidsOn the toolbar: Geometry Color color Geometry by component color or by topology or by mappability GeometryShadingsetgeometrytowireframeors hadedmode GeometryShading setgeometrytowireframeorshadedmode Visualization Panel Controls: visibility of edges & faces based on topology transparency of surface shading visibility of fixed pointsCopyright 2009 Altair Engineering, Inc.
6 Proprietary and Confidential. All rights color mo
