ansys工程分析12.pptVIP

ANSYS工程分析 Chapter 12 連桿與桁架結構分析 Analysis of Links and Trusses Contents 12.1 LINK1: 2D連桿元素 LINK1: 2D Link Element 12.2 實例: 桁架設計 Example: Analysis of a Truss Structure 12.3 實例: 超靜定柱子之反力計算 Example: Statically Indeterminate Reaction Force Analysis 12.4 實例: 熱應力計算 Example: Thermally Loaded Support Structure 12.5 連桿元素瀏覽 Overview of Link Elements 12.6 練習題 Exercises 第12.1節 LINK1: 2D連桿元素 LINK1: 2D Link Element 12.1.1 LINK1元素描述 12.1.2 LINK1輸入資料 12.1.3 LINK1輸出資料 第12.2節 實例: 桁架設計 Example: Analysis of a Truss Structure 11.2.1 問題描述 12.2.2 ANSYS Procedure (1/3) 11.2.2 ANSYS Procedure (2/3) 11.2.2 ANSYS Procedure (3/3) 第12.3節 實例: 超靜定柱子之反力計算 Example: Statically Indeterminate Reaction Force Analysis 12.3.1 問題描述 12.3.2 ANSYS Procedure (1/2) 12.3.2 ANSYS Procedure (2/2) 第12.4節 實例: 熱應力計算 Example: Thermally Loaded Support Structure 12.4.1 問題描述 12.4.2 ANSYS Procedure (1/2) 12.4.2 ANSYS Procedure (2/2) 第12.5節 連桿元素瀏覽 Overview of Link Elements 12.5.1 General Structural Links 12.5.2 Finite Strain Link 12.5.3 Tension-Only Structural Link 12.5.4 Explicit Dynamics 12.5.5 Conduction Links 12.5.6 Convection Link 12.5.7 Radiation Link 12.5.8 Coupled-Field Link 第12.6節 練習題 Exercises * ANSYS工程分析 Plasticity, Creep, Stress stiffening, Large deflection Special Features Temperature -- T(I), T(J) Body Loads None Surface Loads EX, ALPX, DENS, DAMP Material Properties AREA, ISTRN Real Constants UX, UY Degrees of Freedom I, J Nodes LINK1 Element Name 120 120 120 120 120 60 60 120 120 180 180 5000 lb 5000 lb Unit of dimension: in. Material: Steel All section areas = 5 in2 FINISH /CLEAR /UNITS, BIN ? YOUNG = 29E6 ! Young’s modulus ? AREA? = 5 ! Cross-sectional area ? LOAD? = 5000 ! Design load /PREP7 ? ET, 1, LINK1 ? MP, EX, 1, YOUNG ? R, 1, AREA 01 02 03 04 05 06 07 08 09 10 11 12 13 ? N,? 1,?? 0,?? 0 ? N,? 2,? 180,?? 0 ? N,? 3,?? 0,?180 ? N,? 4,? 180,?180 ? N,? 5,?? 30, 300 ? N,? 6,? 150, 300 ? N,? 7,?? 30, 420 ? N,? 8,? 150, 420 ? N,? 9,? -90, 480 ? N, 10,? 270, 4