ansys workbench121中文培訓(xùn)教程版12wb121meshing網(wǎng)格劃分模塊06amwith inflation

四面體網(wǎng)格劃分算PatchConforming的膨脹選PatchIndependent劃ProximityCurvature作業(yè) 三通攪拌器的膨脹四面體網(wǎng)(Patch作業(yè) 汽車多支管的流體和結(jié)構(gòu)網(wǎng)格劃(Patch5-5-TetrahedralMeshwithPatch

有高級(jí)尺寸功表面網(wǎng) 體網(wǎng)在多體部件中可能結(jié)合使用掃掠方法生成共形的有高級(jí)尺寸功表面網(wǎng) 體網(wǎng)PatchCAD有長(zhǎng)邊的面許多面的修補(bǔ)短邊等有用ICEMCFD四面體/Octree––體網(wǎng)表面網(wǎng)5-5-TetrahedralMeshwithPatchConforming四面體膨基本設(shè)置包括膨脹選項(xiàng)，前處理和后處理膨脹算

5-5-TetrahedralMeshwith膨脹選平滑過(guò)平滑過(guò)(默認(rèn)

膨脹層最后單元層和四面體區(qū)域第一單元層間的體尺寸改Preference設(shè)置Fluent的CFD,默認(rèn)值0.272.5-5-TetrahedralMeshwith膨脹選厚度選總厚

創(chuàng)建常膨脹層，用NumberofLayers的值和GrowthRate控制以獲得 Thickness值控制的總厚度。不同于SmoothTransition選項(xiàng)的膨脹，Total第一層厚創(chuàng)建常膨脹層，用FirstLayerHeight, umLayers,和GrowthRate控制生成膨脹網(wǎng)格。不同于SmoothTransition選項(xiàng)的膨脹，F(xiàn)irstLayer5-5-TetrahedralMeshwith膨脹算前處TGrid,后處ICEM后處ICEMCFD

patchingconforming和patchindependent四面體網(wǎng)格有效5-5-TetrahedralMeshwith高級(jí)膨脹選Options下可看到AdvancedOptionsLayerCompression(Fluent默認(rèn)Stair (CFX默認(rèn)

5-5-TetrahedralMeshwith層壓 ,膨脹 如果層壓縮不能解決,層就會(huì)由于以下描述的stairstep而去除.產(chǎn)生一警

5-5-TetrahedralMeshwith膨脹Compression與Stair-

Stair- 5-5-TetrahedralMeshwithPatchIndependent四面Proximity，PatchIndependent四DefeaturingTolerance為No來(lái)考慮面,邊,或點(diǎn)

5-5-TetrahedralMeshwith損傷容

如果跨度間的面(倒圓角或倒角)大于15度,則一邊保留另一邊如果跨度間的面(倒圓角或倒角)大于15度,則一邊保留另一邊沒(méi)有邊被去除.這種情況需要手動(dòng)

Fig.Fig.5-5-TetrahedralMeshwith損傷例

幾 損 損傷容差為5-5-TetrahedralMeshwith越過(guò)狹縫單元

單元數(shù)，設(shè)置proximity細(xì)化的目標(biāo)。網(wǎng)格將在緊密區(qū)域細(xì)分,但細(xì)化受到MinSizeLimit的限制，不會(huì)越過(guò)這個(gè)限制。缺省值是1。5-5-TetrahedralMeshwith

跨–(跨–(CurvatureandProximityRefinement這個(gè)細(xì)化也受到MinSizeLimit的限制.下列幾個(gè)選擇可用9160中等752436度到185-TetrahedralMeshwithPatchIndependent四面體膨

5-5-作業(yè)5-這個(gè)作業(yè)示范patchconforming利用四面體網(wǎng)格劃分器對(duì)三通攪拌器的流體所以作業(yè)也示范如何為之后的分析輸出網(wǎng)格數(shù).5-5-TetrahedralMeshwith輸入幾啟動(dòng)Workbench并選擇andchangethefiltertoGeometryFiletee.agdb文件，注意到 項(xiàng)目示圖區(qū)中的DM實(shí)

5-5-TetrahedralMeshwith抑制實(shí)體部件并設(shè)置方

注意這里有554Solid因?yàn)槭紫汝P(guān)注的是流體區(qū)域..5-5-TetrahedralMeshwith物理優(yōu)選

9.SizingMaxFaceSize0.0159.SizingMaxFaceSize0.015[m]，將MaxTetSize設(shè)置為展開(kāi)Inflation項(xiàng)并將UseAutomaticTet 5-5-TetrahedralMeshwith預(yù)覽表面網(wǎng)MeshPreviewSurfaceMesh.

5-5-TetrahedralMeshwith對(duì)方法膨thisMethod拾取如下所示的模型表面，設(shè)置InflationOption為FirstLayerThickness并輸入值0.001 umLayers設(shè)為

5-5-TetrahedralMeshwith生成膨脹網(wǎng)mesh并選擇GenerateMesh來(lái)創(chuàng)建膨脹

5-5-TetrahedralMeshwithSkewnessMesh

5-5-TetrahedralMeshwith解禁固

5-5-TetrahedralMeshwith固體部件的網(wǎng)格劃分方

5-5-TetrahedralMeshwith固體部件的體尺右擊OutlineMeshSizing.選擇設(shè)置選擇過(guò)濾器)并將選項(xiàng)應(yīng)用于幾何.輸入一個(gè)尺寸值0.04[m].

5-5-TetrahedralMeshwith對(duì)流體和固體部件合并網(wǎng)重新生成網(wǎng)格.

5-5-TetrahedralMeshwith 名選CFD為幫助CFD準(zhǔn)備網(wǎng)格,需要對(duì)3個(gè)端面創(chuàng)建命名選項(xiàng)。為創(chuàng)建命名選項(xiàng)，對(duì)面設(shè)置選擇濾波器,拾取模型視圖中的面,右擊并選擇CreateNamedSelection.Dothisfortheinlet-y。

5-5-TetrahedralMeshwith準(zhǔn)備CFD網(wǎng)

5-5-TetrahedralMeshwith輸出網(wǎng)格文

5-5-5-這個(gè)作業(yè)示范對(duì)耦合傳熱(CHT)流分析或流固耦合(FSI)分析創(chuàng)建合適的網(wǎng)格,然而,幾何呈現(xiàn)潛在流體網(wǎng)格將是CFD性質(zhì)具有膨脹同時(shí)固幾何細(xì)節(jié)引起的問(wèn)題(隨后可見(jiàn)).撲的PatchConforming方法劃分網(wǎng)格5-5-TetrahedralMeshwith從START菜單啟ANSYS12.0Workbench點(diǎn) 面板左邊的工具箱 ponent

5-5-TetrahedralMeshwith幾何輸右擊WB面板右邊Geometry按鈕，選擇Import

Auto-manifold.agdbAuto-manifold.agdb文Mesh(incellA3)發(fā)射網(wǎng)格劃分應(yīng)用程5-5-TetrahedralMeshwith幾何檢

在屏幕右邊Physics選擇命名選項(xiàng)，展開(kāi)NamedSelections并點(diǎn)擊每個(gè)看命名選項(xiàng)，展開(kāi)NamedSelections并點(diǎn)擊每個(gè)看到NamedSelections,見(jiàn)下5-5-TetrahedralMeshwith命名選NamedSelections不出現(xiàn)可能是因?yàn)閷?dǎo)入選項(xiàng)關(guān)掉了NamedSelections是選中的SelectionKey是空的

5-5-TetrahedralMeshwith問(wèn)題幾

可使用PatchIndependent方法的虛擬拓?fù)溥x項(xiàng)解決這個(gè)問(wèn)題。短狹長(zhǎng)5-尖5-TetrahedralMeshwith表面網(wǎng)

細(xì)細(xì)小PatchConforming方PatchIndependent方網(wǎng)格不受幾何限可能存在更粗糙的網(wǎng)單元的尺寸和形狀更規(guī)5-5-TetrahedralMeshwith插入網(wǎng)格方Mesh并檢查它的細(xì)

這將確保 這將確保固體實(shí)體的網(wǎng)格適合結(jié)構(gòu)力指定網(wǎng)格方法RMB窗口SelectRMB選擇Insert 取決于Workbench的設(shè)置設(shè)置細(xì)設(shè)置細(xì)MaxElementSize6MinSizeLimit25-5-TetrahedralMeshwith對(duì)流體區(qū)域設(shè)置單元尺12體尺RMB窗口Insert5-ElementSize55-ElementSize5

TetrahedralMeshwith對(duì)流體添加邊界層網(wǎng)插入膨RMB(Window)選擇SuppressRMBWindow選擇SelectRMB(Window)選擇Insert膨脹的細(xì)節(jié)設(shè)拾取一個(gè)應(yīng)用選126TotalumThickness設(shè)為5

5-5-TetrahedralMeshwith體網(wǎng)格生劃分RMB在窗口UnsuppressallRMB(inTree)Generate 的偏斜值約

5-5-Tetr