
Hypermesh有限元流程.doc
7页1 导入几何模型到 hypermesh 中首先在UG中打开几何模型,单击文件按钮,选择导出setp格式文件2打开hypermesh,单击导入按钮 ,选择导入格式为st ep,文件3 抽取中面在 右 侧 的 Geom 工 具 栏 中 , 单 击 抽 取 中 面 按 钮选择要抽取的部件,单击抽取i* auto midsurface ▼ | solids H |C surface pair extraction optionsr quick editC assign targetr replace edgeC extend surfacer view/assign thickness4 进行几何清理在右侧Geom工具栏中选择快速编辑按钮 芋咏Mtsplit surf-node:nodenodeadjust/set density:line(s)line(s)rejectsplit surf-li ne:nodelinereplace point:point(s)retain1washer split:line(s)offset value:0 .1 0 0add/remove point:point(s)unsplit surf:line(s)add point cin line:line(s)no. of points:rtoggle edge:line(s)toleran 匚 b:0 .0 1 0release point:point(s)filler surf:line(s)project point:point ⑸line1訂delete surf:surf(s)trim-intersect:nodenodereturn 1使用相关功能进行几何清理,5 划分网格在右侧 2D 面板中选择aiutizimesh ,设置网格类型,尺寸〒] surfs H |(• size and biasr QI optimizeC edge deviationC surface deviationC rigid body mesh专 | interactive |element size mesh type:1 0 . 0 0 0▼ 口 mixedflow:map:elems to surf compfirst orderkeep mnnectiv/ity 厂 align 臣 size—link opposite edgesrneshrejectu rimeshedfailed6 检查网格质量,修改不合格的网格在右侧2D面板中选择 quality'ndex 检查网格质量4财|卜| p min size 臣 max sizeF aspect ratioH warpage” skew 臣 jacobian#fail85% fail0.2半 worst |fail value2.0threshold0comp. QI = 979.03place node1.05.0Liswap edge00.010.020.05.0II0# failed = 85node optimize00.04.95.01.000% failed = 0.2element optimize00.015.015.00.0LI0display thresholds:undo | redo00.030.030.00.0LI0_JJJ HML1Jsave failed00.00.50.51.000ideal | good | warn | fail | worse |abort L return |利用 element optimize 按钮对不合格的网格进行优化7 对模型进行连接点击connector选择 Areaconnector(• area location: ▼ | elems X |type =P I 口 tC 匚re ateC realizefe file:7 | prop file:< < c □ n f i q . c f q ...3C edit connect what: ▼ | comps | H |tolerance = || 1.000令 I mesh indepencient I -—non-normal projection rejectt I no systems I选择要连接的单元和部件,设置连接类型和距离,进行连接8 建立材料单击"丨",输入名字,类型,卡片类型,C* createmat name = || s t e e1createC update□ color匚rm ate/edittype = 1 S 0 T R 0 P 1C▼ | card image =M A T 1单击 create/edlt 输入材料相关参数,建立材料 ID[E][G][NU][RHO] [A1 4f 2 . 1 e + 0 50.300[7 . 9 e - 0 9[ST][SC][SS]9 创建部件属性单击,输入名字,类型,材料建立属性等<* createprop name = || v vC update□ colorC assigntype = H 3 D▼ J 匚airci image =J| P S 0 L I D ~material =s t e e I匚 reatecreiSle/edit「 FEtum J更正:2D,PSHELL,stell, create/edit,T输入厚度10 将创建的属性赋予部件单击assign 然后单击 comps 选择要附属性的部件,单击assign 赋予部件相关属性信息C createcompsassignC updateuri assign<• assign▼ 1properly =J| E> e a mreject吃 tUtTi更正:update11 创建边界条件单击(• create r update输入名字,选择卡片类型loadcol name =」l e e□ color ▼card image =」[E 1 G R L然后单击,编辑卡片相关参数】SID | [VI ][V2][ND] [MSGLVL] [MAXSET] [SHFSCL]fTNORMMASS11,创建载荷步loadstep (分析类型)在右侧分析面板中选择 输入名字,选择相应的分析类型,选择相应的收集器,创建 loadstep更正:自由模态 nomal modes ,SPC 不勾静力分析linear static, spc约束,load载荷12 进行分析选择文件的储存位在右侧分析面板中选择 置,在run opt ions选项中选择analysis(—般来说应该先进行check检查有限元模型是否正确),单击 optistruct 进行分析c* bulkinput file: | E : /Iifeng/happy/mo Id .femexport options:allrun options:| analysismemory options:1Jmemory default更正:选择 Radioss静力分析:all改为custom13分析完成后,单击HyperView查看计算结果。












