procast手冊培訓連鑄

Pro-CASTTM用戶培訓Pro-CASTTM用戶培訓手（連鑄ZhongGuoESIDate/Place:2007/北Author(s):馬軍Copyright?ESIGroup,2006.Allrights1連本手冊將一連本手冊將一步一步的為您演示ProCAST中關(guān)于連鑄的設(shè)穩(wěn)態(tài)模擬（固定模型，固態(tài)金屬以鑄造速度穿過模型區(qū)域MiLE算法-lagrangian-注：DCcasting（direct-chillcasting）直接冷凝鑄造，包含在連續(xù)Copyright?ESIGroup,2006.Allrights基本原基本原（其值等于鑄造速度Copyright?ESIGroup,2006.Allrights基本原基本原Copyright?ESIGroup,2006.Allrights基本原基本原Copyright?ESIGroup,2006.Allrights基本原基本原Copyright?ESIGroup,2006.Allrights-穩(wěn)態(tài)設(shè)-穩(wěn)態(tài)設(shè)Copyright?ESIGroup,2006.Allrights穩(wěn)態(tài)設(shè)置穩(wěn)態(tài)設(shè)置-溫度1、在入口設(shè)置固定的溫度邊界條件2、在出口設(shè)置絕熱（熱流率為0）邊界條件4、在鑄件外表面設(shè)置散熱條件（同其他鑄造）Copyright?ESIGroup,2006.Allrights穩(wěn)態(tài)設(shè)置-穩(wěn)態(tài)設(shè)置-溫度Copyright?ESIGroup,2006.Allrights穩(wěn)態(tài)設(shè)置-流穩(wěn)態(tài)設(shè)置-流場耦0）Copyright?ESIGroup,2006.Allrights穩(wěn)態(tài)設(shè)置穩(wěn)態(tài)設(shè)置-流場耦1Bar設(shè)置runparameter中的Flow=1，LVSURF1（例如1.1），PREF等于前面設(shè)置的壓力邊界條件（1Bar）Copyright?ESIGroup,2006.Allrights穩(wěn)態(tài)設(shè)置-流穩(wěn)態(tài)設(shè)置-流場耦合-（鑄造速度乘以面積比上表面其他節(jié)點設(shè)置為Copyright?ESIGroup,2006.Allrights穩(wěn)態(tài)設(shè)置穩(wěn)態(tài)設(shè)置-流場耦合-曲線（帶曲線的，所以必須采用Userfunction來定義。Copyright?ESIGroup,2006.Allrights穩(wěn)態(tài)設(shè)置-流穩(wěn)態(tài)設(shè)置-流場耦合-曲線（帶Copyright?ESIGroup,2006.Allrights穩(wěn)態(tài)設(shè)置-流穩(wěn)態(tài)設(shè)置-流場耦合-曲線（帶.Copyright?ESIGroup,2006.AllrightsSteadySteadystate-VelocityandSteadySteadystate-VelocityandSolidtransport:userYXVx=VsinVy=VcosV(castingCopyright?ESIGroup,2006.Allrights轉(zhuǎn)動速轉(zhuǎn)動速度公Copyright?ESIGroup,2006.Allrights函數(shù)編realomega;realvxx;realAngle;realRadius;函數(shù)編realomega;realvxx;realAngle;realRadius;returnvxx;Copyright?ESIGroup,2006.Allrights穩(wěn)態(tài)設(shè)置穩(wěn)態(tài)設(shè)置-流場耦合-曲線（帶Copyright?ESIGroup,2006.Allrights連鑄模擬小連鑄模擬小Copyright?ESIGroup,2006.Allrights非穩(wěn)態(tài)模非穩(wěn)態(tài)模擬-網(wǎng)鑄件要分成兩個部分折疊層以上稱為“上游Copyright?ESIGroup,2006.Allrights非穩(wěn)態(tài)模擬-非穩(wěn)態(tài)模擬-網(wǎng)1、折疊面不能和鑄造方向平行2、不能有內(nèi)凹角Copyright?ESIGroup,2006.Allrights非穩(wěn)態(tài)模擬-由于MiLE非穩(wěn)態(tài)模擬-由于MiLE算法不支持ViewFactors（ON）的輻BoundaryConditions中定義。MiLE算法不能使用moldCopyright?ESIGroup,2006.Allrights非穩(wěn)態(tài)模擬非穩(wěn)態(tài)模擬-Materials（材料Copyright?ESIGroup,2006.Allrights熱熱Copyright?ESIGroup,2006.AllrightsCopyright?ESIGroup,2006.Allrights非穩(wěn)態(tài)模擬非穩(wěn)態(tài)模擬-Accordion（折層Copyright?ESIGroup,2006.Allrights非穩(wěn)態(tài)模擬-Heat非穩(wěn)態(tài)模擬-Heat（散熱當這個區(qū)域移出模具時必須設(shè)置界面熱交換-〉HeatBC的轉(zhuǎn)Copyright?ESIGroup,2006.Allrights非穩(wěn)態(tài)模擬-Heat（散非穩(wěn)態(tài)模擬-Heat（散熱表面，設(shè)置HeatBC。要使用Userfunction來定義HeatBC其他邊界條件和普通Procast計算一樣Copyright?ESIGroup,2006.Allrights非穩(wěn)態(tài)模擬-非穩(wěn)態(tài)模擬-為折疊面以下區(qū)域設(shè)置Translation（移動速度），Process-AssignCopyright?ESIGroup,2006.Allrights非穩(wěn)態(tài)模擬-InitialRunInitial非穩(wěn)態(tài)模擬-InitialRunInitialRun除了普通運行參數(shù)外，要使用MiLE算法，必需P.dat中添1Copyright?ESIGroup,2006.AllrightsMiLE法應用實例-Flow-MiLE法應用實例-Flow-在前面thermal設(shè)置的基礎(chǔ)上添加相應參數(shù)來進行耦合計算Copyright?ESIGroup,2006.AllrightsMiLE法應用實MiLE法應用實例-Flow-要在鑄件表面設(shè)置WallBC，以防止金屬液泄Copyright?ESIGroup,2006.AllrightsMiLE法應用實例-Flow-FLOWMiLE法應用實例-Flow-FLOW1啟用流PREF1和LVSURF1.1Copyright?ESIGroup,2006.Allrights頂面其他位置設(shè)置為Wall頂面其他位置設(shè)置為WallCopyright?ESIGroup,2006.AllrightsMiLE法應用實例-thermal-在前MiLE法應用實例-thermal-在前面thermal計算模型的設(shè)置基礎(chǔ)上添加以下Copyright?ESIGroup,2006.AllrightsBoundary鑄件區(qū)不用設(shè)置Boundary鑄件區(qū)不用設(shè)置BC樣在模具上設(shè)置DisplacementBCCopyright?ESIGroup,2006.AllrightsRunSTRESS1RunSTRESS1以外，要特別注意（V*dtmax*SCALC）/ECopyright?ESIGroup,2006.AllrightsFREESFPOROSFREESFPOROSCopyright?ESIGroup,2006.Allrights注意事Insteady注意事Insteadystatecalculations(curveandstraight),wedonotconsiderporosityfilling,soPOROSzero.Inthatcase,mustbesetCopyright?ESIGroup,2006.Allrights注意事 注意事 shouldbezero(otherwisethecastingcouldempty).Copyright?ESIGroup,2006.Allrights注意事注意事(**)ThestandardruleistosetavelocityBCequaltothecastingspeedonthewholetopsurface.However,insomecases,inordertohelpthemassbalancetobeperformed,anotherVelocityBCissetonthesamenodeasthePressureBC.ThisVelocityBCshouldbesuchas:-FreeVelocityinthecasting-0inthetwoothersCopyright?ESIGroup,2006.Allrights注意事注意事Wesetthesamevelocityonbothbottomandtopsurfaces.Sometimes,inordertohelpthemassbalancetoestablish,wesetavelocityBCsimilartothepressureBC(seethepreviouspoint**).Atthebottom,wallBCshouldbeappliedonthenodeoftheexternalsurface.Copyright?ESIGroup,2006.Allrights注意事注意事Youareright;theseparametershavenoeffectwhenPOROSissetto0.Copyright?ESIGroup,2006.Allrights注意事注意事Wearenotdoingafillingsimulation,sotheFLOWmustbesetto1inordertosolvethefluidequationsduringcasting.FREESFshouldnotinfluencetheca