ansys热分析基础教程.pdf

1、No Boundaries ANSYS?.1?1?ANSYS?1?ANSYS?1?.1?2?.2?2?3?3?4?4?4?4?5?5?5?ANSYS?5?19?212?20?20?20?ANSYS?20?20?21?23?.23?124?2.25?No Boundaries ANSYS?ANSYS?ANSYS/Multiphysics?ANSYS/Mechanical?ANSYS/Thermal?ANSYS/FLOTRAN?ANSYS/ED?,?ANSYS/FLOTRAN?ANSYS?ANSYS?ANSYS?No Boundaries ANSYS?ANSYS?m ft?s s?Kg lbm?o

2、F?N lbf?J BTU?W BTU/sec?W/m2 BTU/sec-ft2?W/m3 BTU/sec-ft3?W/m-?BTU/sec-ft-oF KXX?W/m2-?BTU/sec-ft2-oF HF?Kg/m3 lbm/ft3 DENS?J/Kg-?BTU/lbm-oF C?J/m3 BTU/ft3 ENTH?:?PEKEUWQ?:Q?;W?;?U?;?KE?PE?0?PEKE?0?W,?UQ?0?UQ?dtdUq?q?No Boundaries ANSYS?1?dxdTkq?q?W/m2?k?W/m-?“-?2?)(BSTThq?h?TS?TB?3?qA FTT?1121424()

3、?q?5.6710-8W/m2.K4?A1?1?F12?1?2?T1?1?T2?2?q?+q?-q?=0?K TQ?K?T?Q?ANSYS?K?T?Q?No Boundaries ANSYS?C TKTQ?:?K?C?,?;?T?T?;?Q?K(T),C(T)?h(T)?C TTK TTQ T?ANSYS?SOLID?SHELL?No Boundaries ANSYS?40?14?LINK32?LINK33?LINK34?LINK31?PLANE55?PLANE77?PLANE35?PLANE75?PLANE78?SOLID87?SOLID70?SOLID90?SHELL57?MASS71?A

4、NSYS Element Reference Guide?ANSYS?ANSYS?1?jobname?title?unit?PREP7?No Boundaries ANSYS?ANSYS Modeling and Meshing Guide?2?Command:ANTYPE,STATIC,NEW GUI:Main menuSolution-Analysis Type-New AnalysisSteady-state?Command:ANTYPE,STATIC,REST GUI:Main menuSolutionAnalysis Type-Restart?(?)?a?Command Family

5、:D GUI?Main MenuSolution-Loads-Apply-Thermal-Temperature b?(?)?ANSYS?Command Family:F GUI?Main MenuSolution-Loads-Apply-Thermal-Heat Flow c?LINK34?Command Family:SF GUI?Main MenuSolution-Loads-Apply-Thermal-Convection d?No Boundaries ANSYS?FLOTRAN CFD?ANSYS?Command Family:F GUI?Main MenuSolution-Loa

6、ds-Apply-Thermal-Heat Flux e?Command Family:BF GUI?Main MenuSolution-Loads-Apply-Thermal-Heat Generat?a.?Command:TIME GUI:Main MenuSolution-Load Step Opts-Time/FrequencTime-Time Step/Time and Substps?Command:NSUBST GUI:Main MenuSolution-Load Step Opts-Time/FrequencTime and Substps Command:DELTIM GUI

7、:Main MenuSolution-Load Step Opts-Time/FrequencTime-Time Step?(stepped)?(ramped)?Command:KBC GUI:Main MenuSolution-Load Step Opts-Time/FrequencTime-Time Step/Time and Substps b.?25?Command:NEQIT GUI:Main MenuSolution-Load Step Opts-NolinearEquilibrium Iter?:?Command:AUTOTS GUI:Main MenuSolution-Load

8、 Step Opts-Time/FrequencTime-Time Step/Time and Substps No Boundaries ANSYS?Command:CNVTOL GUI:Main MenuSolution-Load Step Opts-NolinearConvergence Crit?ANSYS?Command:NCNV GUI:Main MenuSolution-Load Step Opts-NolinearCriteria to Stop?ANSYS?Newton-Raphson?Command:LNSRCH GUI:Main MenuSolution-Load Ste

9、p Opts-NolinearLine Search?Command:PRED GUI:Main MenuSolution-Load Step Opts-NolinearPredictor c.?*.out?Command:OUTPR GUI:Main MenuSolution-Load Step Opts-Output CtrlsSolu Printout?*.rth?Command:OUTRES GUI:Main MenuSolution-Load Step Opts-Output CtrlsDB/Results File?a.Newton-Raphson?Command:NROPT GU

10、I:Main MenuSolutionAnalysis Options b.?Frontal solver(?Jacobi Conjugate Gradient(JCG)solver?JCG out-of-memory solver?Incomplete Cholesky Conjugate Gradient(ICCG)solver?Pre-Conditioned Conjugate Gradient Solver(PCG)?Iterative(automatic solver selection option)Command:EQSLV GUI:Main MenuSolutionAnalys

11、is Options?Iterative?SURF19?SURF22?restart an analysis No Boundaries ANSYS?c.?273?460?Command:TOFFST GUI:Main MenuSolutionAnalysis Options?:?ANSYS?SAVE_DB?Command:SOLVE GUI:Main MenuSolutionCurrent LS?ANSYS?*.rth?POST1?ANSYS Basic Analysis Procedures Guide?POST1?Command:SET GUI:Main MenuGeneral Post

12、proc-Read Results-By Load Step?Command:PLNSOL,PLESOL,PLETAB?GUI:Main MenuGeneral PostprocPlot ResultsNodal Solu,Element Solu,Elem Table?Command:PLVECT GUI:Main MenuGeneral PostprocPlot ResultsPre-defined or Userdefined?Command:PRNSOL,PRESOL,PRRSOL?GUI:Main MenuGeneral PostprocList ResultsNodal Solu,

13、Element Solu,Reaction Solu?ANSYS Basic Analysis Procedures Guide?No Boundaries ANSYS?1?30 feet?2 inch?0.75 inch?1 inch?0.25 inch?200 feet?8.27 BTU/hr.ft.oF?0.028 BTU/hr.ft.oF?117.4 BTU/hr.ft.oF?70 oF?44.5 oF?2.5 BTU/hr.ft2.oF?80 BTU/hr.ft2.oF?1?,?R15 feet?log?/filename,Steady1/title,Steady-state the

14、rmal analysis of submarine /units,BFT No Boundaries ANSYS?Ro=15 !?(ft)Rss=15-(0.75/12)!?ft)Rins=15-(1.75/12)!?(ft)Ral=15-(2/12)!?(ft)Tair=70 !?Tsea=44.5 !?Kss=8.27 !?(BTU/hr.ft.oF)Kins=0.028 !?(BTU/hr.ft.oF)Kal=117.4 !?(BTU/hr.ft.oF)Hair=2.5 !?(BTU/hr.ft2.oF)Hsea=80 !?(BTU/hr.ft2.oF)/prep7 et,1,plan

15、e55 !?mp,kxx,1,Kss !?mp,kxx,2,Kins !?mp,kxx,3,Kal !?pcirc,Ro,Rss,-0.5,0.5 !?pcirc,Rss,Rins,-0.5,0.5 pcirc,Rins,Ral,-0.5,0.5 aglue,all numcmp,area lesize,1,16 !?lesize,4,4 lesize,14,5 lesize,16,2 eshape,2 !?mat,1 amesh,1 mat,2 amesh,2 mat,3 amesh,3 /SOLU SFL,11,CONV,HAIR,TAIR!?No Boundaries ANSYS?SFL

16、,1,CONV,HSEA,TSEA!?SOLVE /POST1 PLNSOL?finish?:1.Utility MenuFilechange jobename,?Steady1?2.Utility MenuFilechange title,?Steady-state thermal analysis of submarine?3.?:/units,BFT?4.Main Menu:Preprocessor?5.Main Menu:PreprocessorElement TypeAdd/Edit/Delete,?PLANE55?6.Main Menu:PreprocessorMaterial Prop-Constant-Isotropic,?1,?KXX?8.27,?APPLY,?2,?KXX?0.028,?APPLY,?3,?KXX?117.4?7.Main Menu:Preprocessor-Modeling-Create-Areas-CircleBy Dimensions,?RAD1?15,?RAD2?15-(.75/12),?THERA1?-0.5,?THERA2?0.5,?AP