ansys-經(jīng)典例題步驟.doc

Project1 梁的有限元建模與變形分析梁的有限元建模與變形分析 計(jì)算分析模型如圖 1 1 所示 習(xí)題文件名 beam NOTE 要求選擇不同形狀的截面分別進(jìn)行計(jì)算 要求選擇不同形狀的截面分別進(jìn)行計(jì)算 10m 梁承受均布載荷 1 0e5 Pa 圖 1 1 梁的計(jì)算分析模型 梁截面分別采用以下三種截面 單位 m 矩形截面 圓截面 工字形截面 B 0 1 H 0 15 R 0 1 w1 0 1 w2 0 1 w3 0 2 t1 0 0114 t2 0 0114 t3 0 007 1 1 進(jìn)入進(jìn)入 ANSYS 程序程序 ANSYSED 6 1 Interactive change the working directory into yours input Initial jobname beam Run 1 2 設(shè)置計(jì)算類(lèi)型設(shè)置計(jì)算類(lèi)型 ANSYS Main Menu Preferences select Structural OK 1 3 選擇單元類(lèi)型選擇單元類(lèi)型 ANSYS Main Menu Preprocessor Element Type Add Edit Delete Add select Beam 2 node 188 OK back to Element Types window Close the Element Type window 1 4 定義材料參數(shù)定義材料參數(shù) ANSYS Main Menu Preprocessor Material Props Material Models Structural Linear Elastic Isotropic input EX 2 1e11 PRXY 0 3 OK 1 5 定義截面定義截面 ANSYS Main Menu Preprocessor Sections Beam Common Sectns 分別定義矩形截 面 圓截面和工字形截面 矩形截面 ID 1 B 0 1 H 0 15 Apply 圓截面 ID 2 R 0 1 Apply 工字形截面 ID 3 w1 0 1 w2 0 1 w3 0 2 t1 0 0114 t2 0 0114 t3 0 007 OK 1 6 生成幾何模型生成幾何模型 生成特征點(diǎn) ANSYS Main Menu Preprocessor Modeling Create Keypoints In Active CS 依次輸入三個(gè)點(diǎn)的坐標(biāo) input 1 0 0 2 10 0 3 5 1 OK 生成梁 ANSYS Main Menu Preprocessor Modeling Create Lines lines Straight lines 連 接兩個(gè)特征點(diǎn) 1 0 0 2 10 0 OK 1 7 網(wǎng)格劃分網(wǎng)格劃分 ANSYS Main Menu Preprocessor Meshing Mesh Attributes Picked lines OK 選擇 SECT 1 根據(jù)所計(jì)算的梁的截面選擇編號(hào) Pick Orientation Keypoint s YES 拾 取 3 特征點(diǎn) 5 1 OK Mesh Tool Size Controls lines Set Pick All in Picking Menu input NDIV 5 OK back to Mesh Tool window Mesh Pick All in Picking Menu Close the Mesh Tool window 1 8 模型施加約束模型施加約束 最左端節(jié)點(diǎn)加約束 ANSYS Main Menu Solution Define Loads Apply Structural Displacement On Nodes pick the node at 0 0 OK select UX UY UZ ROTX OK 最右端節(jié)點(diǎn)加約束 ANSYS Main Menu Solution Define Loads Apply Structural Displacement On Nodes pick the node at 10 0 OK select UY UZ ROTX OK 施加 y 方向的載荷 ANSYS Main Menu Solution Define Loads Apply Structural Pressure On Beams Pick All VALI 100000 OK 1 9 分析計(jì)算分析計(jì)算 ANSYS Main Menu Solution Solve Current LS OK to close the solve Current Load Step window OK 1 10 結(jié)果顯示結(jié)果顯示 ANSYS Main Menu General Postproc Plot Results Deformed Shape select Def Undeformed OK back to Plot Results window Contour Plot Nodal Solu select DOF solution UY Def Undeformed Rotation ROTZ Def Undeformed OK 1 11 退出系統(tǒng)退出系統(tǒng) ANSYS Utility Menu File Exit Save Everything OK Project2 壩體的有限元建模與應(yīng)力應(yīng)變分析壩體的有限元建模與應(yīng)力應(yīng)變分析 計(jì)算分析模型如圖 2 1 所示 習(xí)題文件名 dam 1m 5m 0 55m 圖 2 1 壩體的計(jì)算分析模型 2 1 進(jìn)入進(jìn)入 ANSYS 程序程序 ANSYSED 6 1 Interactive change the working directory into yours input Initial jobname dam Run 2 2 設(shè)置計(jì)算類(lèi)型設(shè)置計(jì)算類(lèi)型 ANSYS Main Menu Preferences select Structural OK 2 3 選擇單元類(lèi)型選擇單元類(lèi)型 ANSYS Main Menu Preprocessor Element Type Add Edit Delete Add select Solid Quad 4node 42 OK back to Element Types window Options select K3 Plane Strain OK Close the Element Type window 2 4 定義材料參數(shù)定義材料參數(shù) ANSYS Main Menu Preprocessor Material Props Material Models Structural Linear Elastic Isotropic input EX 2 1e11 PRXY 0 3 OK 2 5 生成幾何模型生成幾何模型 生成特征點(diǎn) ANSYS Main Menu Preprocessor Modeling Create Keypoints In Active CS 依次 輸入四個(gè)點(diǎn)的坐標(biāo) input 1 0 0 2 10 0 3 1 5 4 0 45 5 OK 生成壩體截面 ANSYS Main Menu Preprocessor Modeling Create Areas Arbitrary Through KPS 依次連接四個(gè)特征點(diǎn) 1 0 0 2 10 0 3 1 5 4 0 45 5 OK 2 6 網(wǎng)格劃分網(wǎng)格劃分 ANSYS Main Menu Preprocessor Meshing Mesh Tool Size Controls lines Set 依次拾取兩條橫邊 OK input NDIV 15 Apply 依次拾取兩條縱邊 OK input NDIV 20 OK back to the mesh tool window Mesh Areas Shape Quad Mapped Mesh Pick All in Picking Menu Close the Mesh Tool window 2 7 模型施加約束模型施加約束 分別給下底邊和豎直的縱邊施加 x 和 y 方向的約束 ANSYS Main Menu Solution Define Loads Apply Structural Displacement On lines pick the lines OK select Lab2 UX UY OK 給斜邊施加 x 方向的分布載荷 ANSYS 命令菜單欄 Parameters Functions Define Edit 1 在下方的下拉列表框內(nèi)選 擇 x 作為設(shè)置的變量 2 在 Result 窗口中出現(xiàn) X 寫(xiě)入所施加的載荷函數(shù) 1000 X 3 File Save 文件擴(kuò)展名 func 返回 返回 Parameters Functions Read from file 將需 要的 func 文件打開(kāi) 任給一個(gè)參數(shù)名 它表示隨之將施加的載荷 OK ANSYS Main Menu Solution Define Loads Apply Structural Pressure On Lines 拾取斜邊 OK 在下拉列表框中 選擇 Existing table OK 選擇需要的載荷參數(shù)名 OK 2 8 分析計(jì)算分析計(jì)算 ANSYS Main Menu Solution Solve Current LS OK to close the solve Current Load Step window OK 2 9 結(jié)果顯示結(jié)果顯示 ANSYS Main Menu General Postproc Plot Results Deformed Shape select Def Undeformed OK back to Plot Results window Contour Plot Nodal Solu select DOF solution UX UY Def Undeformed Stress SX SY SZ Def Undeformed OK 2 10 退出系統(tǒng)退出系統(tǒng) ANSYS Utility Menu File Exit Save Everything OK Project3 受內(nèi)壓作用的球體的有限元建模與分析受內(nèi)壓作用的球體的有限元建模與分析 計(jì)算分析模型如圖 3 1 所示 習(xí)題文件名 sphere R1 0 3 R2 0 5 承受內(nèi)壓 1 0e8 Pa 圖 3 1 受均勻內(nèi)壓的球體計(jì)算分析模型 截面圖 3 1 進(jìn)入進(jìn)入 ANSYS 程序程序 ANSYSED 6 1 Interactive change the working directory into yours input Initial jobname sphere Run 3 2 設(shè)置計(jì)算類(lèi)型設(shè)置計(jì)算類(lèi)型 ANSYS Main Menu Preferences select Structural OK 3 3 選擇單元類(lèi)型選擇單元類(lèi)型 ANSYS Main Menu Preprocessor Element Type Add Edit Delete Add select Solid Quad 4node 42 OK back to Element Types window Options select K3 Axisymmetric OK Close the Element Type window 3 4 定義材料參數(shù)定義材料參數(shù) ANSYS Main Menu Preprocessor Material Props Material Models Structural Linear Elastic Isotropic input EX 2 1e11 PRXY 0 3 OK 3 5 生成幾何模型生成幾何模型 生成特征點(diǎn) ANSYS Main Menu Preprocessor Modeling Create Keypoints In Active CS 依次 輸入四個(gè)點(diǎn)的坐標(biāo) input 1 0 3 0 2 0 5 0 3 0 0 5 4 0 0 3 OK 生成球體截面 ANSYS 命令菜單欄 Work Plane Change Active CS to Global Spherical ANSYS Main Menu Preprocessor Modeling Create Lines In Active Coord 依次連接 1 2 3 4 點(diǎn) OK Preprocessor Modeling Create Areas Arbitrary By Lines 依次拾取四 條邊 OK ANSYS 命令菜單欄 Work Plane Change Active CS to Global Cartesian 3 6 網(wǎng)格劃分網(wǎng)格劃分 ANSYS Main Menu Preprocessor Meshing Mesh Tool Size Controls lines Set 拾取兩條直邊 OK input NDIV 10 Apply 拾取兩條曲邊 OK input NDIV 20 OK back to the mesh tool window Mesh Areas Shape Quad Mapped Mesh Pick All in Picking Menu Close the Mesh Tool window 3 7 模型施加約束模型施加約束 給水平直邊施加約束 ANSYS Main Menu Solution Define Loads Apply Structural Displacement On Lines 拾取水平邊 Lab2 UY OK 給豎直邊施加約束 ANSYS Main Menu Solution Define Loads Apply Structural Displacement Symmetry B C On Lines 拾取豎直邊 OK 給內(nèi)弧施加徑向的分布載荷 ANSYS Main Menu Solution Define Loads Apply Structural Pressure On Lines 拾取小圓弧 OK input VALUE 100e6 OK 3 8 分析計(jì)算分析計(jì)算 ANSYS Main Menu Solution Solve Current LS OK to close the solve Current Load Step window OK 3 9 結(jié)果顯示結(jié)果顯示 ANSYS Main Menu General Postproc Plot Results Deformed Shape select Def Undeformed OK back to Plot Results window Contour Plot Nodal Solu select DOF solution UX UY Def Undeformed Stress SX SY SZ Def Undeformed OK 3 10 退出系統(tǒng)退出系統(tǒng) ANSYS Utility Menu File Exit Save Everything OK Project4 受熱載荷作用的厚壁圓筒的有限元建模與溫度場(chǎng)求解受熱載荷作用的厚壁圓筒的有限元建模與溫度場(chǎng)求解 計(jì)算分析模型如圖 4 1 所示 習(xí)題文件名 cylinder R1 0 3 R2 0 5 圓筒內(nèi)壁溫度 500 外壁溫 度 100 兩端自由且絕熱 圖 4 1 受熱載荷作用的厚壁圓筒的計(jì)算分析模型 截面圖 4 1 進(jìn)入進(jìn)入 ANSYS 程序程序 ANSYSED 6 1 Interactive change the working directory into yours input Initial jobname cylinder Run 4 2 設(shè)置計(jì)算類(lèi)型設(shè)置計(jì)算類(lèi)型 ANSYS Main Menu Preferences select Thermal OK 4 3 選擇單元類(lèi)型選擇單元類(lèi)型 ANSYS Main Menu Preprocessor Element Type Add Edit Delete Add select Thermal Solid Quad 4node 55 OK back to Element Types window Options select K3 Axisymmetric OK Close the Element Type window 4 4 定義材料參數(shù)定義材料參數(shù) ANSYS Main Menu Preprocessor Material Props Material Models Thermal Conductivity Isotropic input KXX 7 5 OK 4 5 生成幾何模型生成幾何模型 生成特征點(diǎn) ANSYS Main Menu Preprocessor Modeling Create Keypoints In Active CS 依次 輸入四個(gè)點(diǎn)的坐標(biāo) input 1 0 3 0 2 0 5 0 3 0 5 1 4 0 3 1 OK 生成圓柱體截面 ANSYS Main Menu Preprocessor Modeling Create Areas Arbitrary Through KPS 依次連接四個(gè)特征點(diǎn) 1 0 3 0 2 0 5 0 3 0 5