ICEPAK网格划分-中文版

IcepakMEKESIM.COM ©2010I.II.III.IV.Per‐objectV.VI.Non‐Conformal MeshingVII.VIII.MEKESIM.COM ©2010•Global meshing setting•Non‐conformal mesh assembly•Per‐object meshing settingI MEKESIM.COM ©20101.–Hexa unstructuredCoarse2.––3.Normal–Max X size, Max Y size, and Max Z  sizecabinet1/20–Normal 4.––(openings, grilles, resistances, fans)4 5 –I MEKESIM.COM ©20105.–per‐object mesh parameterobject–assembly6.7.––I MEKESIM.COM ©2010IIANSYS Icepak: –Hexahedral mesher()•Hexahedral unstructured–––Background mesh•Hexahedral Cartesian–––O‐grid–Hexahedral unstructured–Hexahedral mesher•Hex‐dominantMesher()–CAD––Hexahedral–CAD–MEKESIM.COM ©2010IIMEKESIM.COM ©2010IIMEKESIM.COM ©2010III‐Hexahedral•Mesh type•Mesh units•Max X, Y, Z size––cabinet1/20–1/10–1/20–background meshobject•Minimum gap––10%•Init height––•Object paramsMEKESIM.COM ©2010III‐Hexahedral•Mesh parameters–Normal Mesher:background grid–Coarse Mesher:•Min elems in gap–Fluid gap–23–4•Object parameters•Min elems on edge–Object–2•Object parametersMEKESIM.COM ©2010III‐Hexahedral•Max size ratio––x2/ x1 Max size ratio–2~10–2–Object parameters•Max O‐grid height–O‐grid–0–•Min elements on cylinder face•Min elements on triangle face•Max elements•–No “O”grid•object“O”meshing –No group “O”grid•objects“O”meshing–Mesh assemblies separately•assemblymeshIcepakassembly•assemblyMax O‐grid heightx2x1MEKESIM.COM ©2010III‐HD MesherHD Mesher•Allow stair‐stepped meshing•Allow Multi‐level Meshing•Hexamesher–CAD••CADassembly–•MEKESIM.COM ©2010IV Per‐object网格设置•Object Parametersobject–object–object•object‐2D3D…•Icepakobject•–––HeightsratiosMEKESIM.COM ©2010IV Per‐object网格设置BlockObjectobjects1Use pre‐object parameters23Actual4MEKESIM.COM ©2010IV Per‐object网格设置‐–Block/Resistance•X,Y,Z count•Low/High X,Y,Z height–object•Low/High X,Y,Z ratio–object•Inward height/ratio–object/xyInward heightInitial heightHigh XLow XMEKESIM.COM ©2010IV Per‐object网格设置‐–vent, PCB, Plate•X&Y, Y&Z, X&Z count•Low/High end height–•Low/High end ratio–•Inward height/ratioInward height & ratioMEKESIM.COM ©2010IV Per‐object网格设置‐–fan,resistance•Diameter count–•Low/High End heights and ratios•Inward height/ratio•Outward height/ratio–objectOutward heightMEKESIM.COM ©2010IV Per‐object网格设置‐–resistance•Diameter count•Low/High End heights and ratios•Inward height/ratio•Side count–•Side height/ratio–/MEKESIM.COM ©2010V Non‐conformal Meshing•IcepakObject–Assembly•Non‐conformal Mesh•(Non‐conformal)••assembly•assemblyassemblySM assemblyMesh within AssemblyMesh in Main ModelNon‐conformal InterfaceAssemblyAssemblyNon‐conformal InterfaceMEKESIM.COM ©2010V Non‐conformal Meshing•Non‐Conformal assemblyAssemblywith HexaCartesianAssemblywith Hexaunstructured Non‐Conformal assemblyMEKESIM.COM ©2010V Assembly1.Mesh separately (assembly)•assembly2.SlackAssembly3.Minimum gap––Min X4.Mesh type5.AssemblyMEKESIM.COM ©2010V AssemblySlackMax X slackObject1Object…XYMin X slackMax Y slackMin Y slackNon-conformalAssemblyBoundaryMEKESIM.COM ©2010V Assemble Meshing1.AssemblyObject•CabinethollowHollowBlockslackslackCabinetslackslackExternalobjectExternalobjectMEKESIM.COM ©2010V Assemble Meshingslackslack2.assemblyObjectnon‐conformal assembly•slackobjectassemblyMEKESIM.COM ©2010V Assemble Meshing3.Assemblysolidhollow object–inclined object, thin conducting plate, polygonal object, net‐work blockExternal objectThin conducting plateNetwork blockPolygonal objectInclined objectMEKESIM.COM ©2010V Assemble Meshing4.assembly–Assembly–assembly–assemblymesh separately, MEKESIM.COM ©2010V Assemble Meshing5.Assemblycabinet hollow block–cabinet or hollow block2–D(wall, opening, grille, fan)assembly–Cabinetnon-conformalassemblyOpeningMEKESIM.COM ©2010V Assemble Meshing5.–assembly–slack0–Non‐conformalassemblyCabinetnon‐conformalassemblyOpening1Opening2MEKESIM.COM ©2010V •assembly•assembly(plate, fan, grille, opening, source )assemblyassembly•SM assembly•, thin conducting plate, detailed PCB, network blockSM assembly•objectSM assembly(gap)assembleMEKESIM.COM ©2010V Assemble Meshing •IcepakSM assembly SM assembly•Inner assemblyOuter assemblyMEKESIM.COM ©2010V Assembly•assemblymax size•AssemblyPer‐object mesh–Element count–Element height–Size ratio–Max size ratio•Per‐object mesh parameterassembly•AssemblyObjectPer‐object meshMEKESIM.COM ©2010V ‐Active Heat Sink•Heatsink•–heatsinkAssembly•–Assembly•–Heatsinkfan–1~1.5mm–(platesolid block)MEKESIM.COM ©2010V Assemble Meshing•slackassembly boundaryinterfaceboundary•ObjectAssemble Meshing–Object•Heat sinks, packages, openings–Object•Circular fans, openings, grilles••Non‐conformal assemblybackground mesh–Non‐conformal assembly•Non‐conformal assembly:–max size1/20–per‐objectMEKESIM.COM ©2010VI•objectobject•(priority)object•object•–Objectobject–priority numberobject•objectpriority•priority number––Modelpriorities•object (fan, opening, grille)solid object•meshing priorityobjectMEKESIM.COM ©2010VI•Package•Thick wall•Block/ Heat sink/ Resistance•Thin wall•Plate / Enclosure•PCB•Source•Grille/ Opening / Fan (2D and 3D)•Heat Exchanger•Ne