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1、钢结构对热的反映ANSYS命令/prep7et,1,solid70!实体热分析单元et,2,surf152,,,,1,1!表面单元用来施加热辐射!Definingthetemperaturedependentheatconductivityforsteelmptemp,,20,800,900,1000!定义随温度变化的材料性能mpdata,kxx,1,,53.334,27.36,27.36,27.36mptemp!DefiningthetemperaturedependentSpecificHeatvalueforsteelmptemp,,20,100,180,260,380,500mpdat
2、a,C,1,,439.8,487.62,522.33,550.75,596.52,666.5mptemp,,600,640,720,735,750,830mpdata,C,1,,759.92,798.67,1388,5000,1483,725mptemp,,900,1000mpdata,C,1,,650,650mp,dens,1,7850!加表面效应单元的特性keyopt,2,9,1r,2,1,5.67e-8!定义波曼系数和MP,EMIS,2,0.5!发射率!definingparameters!定义钢柱钢梁外形W_col=0.064H_col=0.12tf_col=0.0133tw_col=
3、0.0044B_col=(W_col-tw_col)/2D_col=H_col-2*tf_colW_beam=0.055H_beam=0.1tf_beam=0.0127tw_beam=0.0041B_beam=(W_beam-tw_beam)/2D_beam=H_beam-2*tf_beamDis_hor=5.5Dis_ver=3.0pp=(W_col-W_beam)/2!!Generateallnodesrequiredforthecolumnsecitonn,1,-H_col/2,,-W_col/2n,2,-H_col/2,,-W_col/2+ppngen,4,1,2,,,,,(B_col
4、-pp)/3n,6,-H_col/2,,tw_col/2ngen,4,1,6,,,,,(B_col-pp)/3!node1-10n,10,-H_col/2,,W_col/2ngen,2,10,1,10,1,tf_col!node11-20ngen,10,6,15,16,1,D_col/10!node21,22,27,28,33,34,...ngen,2,60,11,20,1,D_col!node71-80ngen,2,10,71,80,1,tf_col!node81-90ngen,2,100,all,,,,(Dis_ver-H_beam/2)/60!node101,190!Generateth
5、efirstlevelofelement:28elementstogetherforthislevele,1,2,12,11,101,102,112,111egen,9,1,1e,15,16,22,21,115,116,122,121egen,10,6,10e,71,72,82,81,171,172,182,181egen,9,1,20Egen,60,100,1,28,1,,,,,,0,(Dis_ver-H_beam/2)/60nsel,s,node,,6001,6090,1ngen,2,100,all,,,,tf_beamegen,2,100,1653,1680,1nsel,allnsel,
6、s,node,,6101,6190ngen,11,100,all,,,,D_beam/10egen,11,100,1681,1708,1nsel,allnsel,s,node,,7101,7190ngen,2,100,all,,,,tf_beamegen,2,100,1961,1988,1nsel,allnsel,s,node,,7201,7290ngen,7,100,all,,,,H_beam/6egen,7,100,1989,2016,1nsel,all!totally2184elementsforonecolumnngen,2,10000,all,,,Dis_horegen,2,1000
7、0,1,2184,1!ThebeamactuallyextendsfromH_col/2toDis_hor-H-col/2!产生梁!Generateallnodesrequiredtoformthebeamsection:n,20001,H_col/2,Dis_ver-H_beam/2,-W_beam/2ngen,4,1,20001,,,,,B_beam/3n,20005,H_col/2,Dis_
