【正文】
第 9 頁 共 9 頁。④改變當(dāng)前坐標(biāo)系為全局柱坐標(biāo)系:Utility Menu WorkPlane Change Active CS to Global Cylinder Y.⑤平移工作平面到當(dāng)前坐標(biāo)系:Utility Menu WorkPlane Align Wp to Active coord Sys。單擊OK按鈕。(8)瀏覽分析結(jié)果①顯示變形形狀:Main Menu General Postproc Plot Results Deformed Shape,在彈出的【Plot Deformed Shape】對(duì)話框中的“Def+undeformed”單選按鈕,單擊OK按鈕。出現(xiàn)對(duì)話框時(shí)單擊Close按鈕,完成求解運(yùn)算。⑥選擇PCG迭代求解器:Main Menu Solution Analysis TypeSol,n Controls,在對(duì)話框中選擇“Preconditions CG”,單擊Ok按鈕。④顯示單元:Utility Menu Plot Plot Elements。②在節(jié)點(diǎn)上施加UY=0的約束:Main Menu Solution Define Loads Apply Structural Displacement On Nodes,在拾取框中拾取編號(hào)為1的節(jié)點(diǎn),單擊OK按鈕,在對(duì)話框中【Item to Constrained】下拉列表框中選擇UY選項(xiàng),單擊OK按鈕。保存有限元模型數(shù)據(jù):Utility Menu Files Save As,在對(duì)話框的下拉列表中【save Database TO】下拉列表中輸入文件名“”,單擊OK按鈕。在上部的兩個(gè)下拉列表框中選中“Elements”與“By Attributes”選項(xiàng),選中【Elem Type num.】復(fù)選框,并在【Min,Max,Inc】文本框中輸入“2”,單擊Ok按鈕。轉(zhuǎn)變單元類型:Main Menu Preprocessor Modify Mesh change Tets,在對(duì)話框中的下拉列表選中“95 to 92”選項(xiàng),單擊Ok按鈕。采用自由網(wǎng)格劃分單元,選擇劃分網(wǎng)格工具欄中的第一個(gè)Tet和Free單選按鈕。改變單元類型:?jiǎn)螕魟澐志W(wǎng)格工具欄中的第一個(gè)Set按鈕,在彈出的【Meshing Attributes】對(duì)話框中的【Element Type Numbe】下拉列表框中選擇“SOLID95”選項(xiàng),單擊OK按鈕。⑨設(shè)置單元尺寸:Main Menu Preprocessor Meshing Mesh Tool,在劃分網(wǎng)格工具欄中單擊Set按鈕,在彈出的【Global Element Sizes】對(duì)話框中的【Size】文本框輸入“”,單擊OK按鈕。⑦用工作平面切分體:Main Menu Preprocessor Modeling Operate Divide Volu by Workplane,在拾取框中單擊Pick All按鈕。⑤顯示體:Utility Menu Plot Volumes。③旋轉(zhuǎn)工作平面:分別在“Offset Wp”工具欄中的“XY”、“YZ”和“ZX Angle”文本框中輸入“0”“