ansys三层钢结构的瞬态动力学分析

例子一个典型3层钢结构，平板厚度1mm,立柱截面为方形，截面面积4X4mm,该结构有16个关键点钢材料的弹性模量E=2.1X105Mpa,泊松比为0.3,材料的密度为E=7.9X10-6kg/mm3,钢结构地不受约束，是进行瞬态动力学分析。步骤：1添加单元preprocesser-elementtype-add/edit/delete-add两个单元1shell63,2beam1882定义材料属性preprocesser-materialprops-materialmodels-按规定填写，弹性模量，泊松比，密度2定义实常数preprocesser-realconstants-add/edit/delete-add-shell63其中厚度为1mm3定义立柱的截面preprocesser-sections-beam—commonsections正方形截面，边长为4mm4建关键点preprocesser-modeling-create-keypoints-inactivecs1(-100,0,100),2(100,0,100),3(100,0,-100),4(-100,0,-100),5(-100,150,100),6(100,150,100),7(100,150,-100),8(-100,150,-100),9(-100,300,100),10(100,300,100),11(100,300,-100),12(-100,300,-100),13(-100,450,100),14(100,450,100),15(100,450,-100),16(-100,450,100)5生成三个平板preprocesser-modeling-create-areas-arbitrary-throughkps,连接关节点为线preprocesser-modeling-create-lines-lines-straightline2-6-10-14,3-7-11-15,1-5-9-13,4-8-12-166划分网格preprocesser-meshing-meshtool-先定义elementattributea-set-shell63-ok-lines-set-mesh-areas,将面板划分成100个单元，再定义elementattributea-set-beam188-ok-mesh-lines7定义分析类型solution-analysistype-newanalysis-transient-full8施加约束solution-defineloads-apply-structural-displacement-onkeypoints给底下四个点施加全自由度约束9施加动载，定义载荷parameters-arrayparameters-define/edit-add(a,4,1,1)table-ok-edit-(0,-3001,3002,-3003,300)-apply,同理再定义b,c两点b(0,3001,-3002,3003,-300),c(0,-2001,2002,-2003,200),将载荷施加于结构上solution-defineloads-apply-structural-force/moment-onnodes施加给第一层-Fy-existingtable-ok-a,第二层-Fy-existingtable-ok-b,第三层-Fy-existingtable-ok-c10求解选项设置solution-analysistype-sol’ncontrols对话框，在basie中瞬态大变形分析analysis-options-largedisplacement-transient,timeatendofloadstep-3,最大时间止步numberofsubsteps-300,frequency-writeeverysubstep，在transient中rampedloading斜坡载荷-ok11求解solution-solve-currentls-close12查看结果generalpostproc-resultssummary整体结果，查看一点的变形generalpostproc-readresults-bypick-103-read-plotresults-contourplot-nodalsolu-dofsolution，stress-vonmisesstress13时域后处理timehistpostpro-definevariables-add-默认-任意点一点y向变形，-graphvariables-nvar1-214timehistpostpro-definevariables-add-elementresults-任意一点-nodalforcedata-fy-ok,-graphvariables-nvar1-3网格划分后的单元图：求解后的曲线图：瞬态分析整体结果列表：103点处变形应变图：应力图：任意点Y向变形曲线图：立柱底点分析曲线图：