Using ANSYS for Finite Element Analysis – Volume I

Using ANSYS for Finite Element Analysis – Volume I
اسم المؤلف
Wael A. Altabey , Mohammad Noori , Libin Wang
التاريخ
11 يوليو 2020
المشاهدات
التقييم
(لا توجد تقييمات)
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Using ANSYS for Finite Element Analysis
A Tutorial for Engineers – Volume I
Wael A. Altabey
Mohammad Noori
Libin Wang
SUSTAINABLE STRUCTURAL
SYSTEMS COLLECTION
Mohammad Noori, Editor
conTEnTs
List of Figures ix
Preface xi
1 Introduction to Finite Element Analysis 1
1.1 Finite Element Method 1
1.2 Review Topics 15
1.3 General Steps of FEM 26
1.4 The Most Common Finite Element Types 27
1.5 Types of Element Formulation Methods 27
1.6 Derivation of Spring Element Equations Using
Direct Method 28
1.7 Bar Element Formulation Using Direct Method 31
1.8 Examples of Linear FEM 34
1.9 FEA: Modeling, Errors, and Accuracy 48
2 Static Analysis Using ANSYS 53
2.1 Overview of Structural Analysis 53
2.2 Static Analysis Procedure 54
3 Geometric Modeling 65
3.1 Typical Steps Involved in Model Generation
Within ANSYS 65
3.2 Importing Solid Models Created in CAD Systems 66
3.3 Solid Modeling 68
3.4 Tutorial 1: Solid Modeling Using 2D Primitives 69
3.5 Tutorial 2: Solid Modeling Using 3D Primitives 79viii •? Contents
4 Static Analysis Using Line Elements 91
4.1 Tutorial 3: Static Analysis Using Truss Elements 91
4.2 Tutorial 4 (a): Static Analysis Using BEAM Elements 112
4.3 Tutorial 4 (b): Static Analysis Using Beam Elements
with Distributed Load 115
5 Static Analysis Using Area Elements 121
5.1 Tutorial 5: Static Analysis Using Area Elements:
Plane Problem (Bracket) 121
5.2 Tutorial 6: Static Analysis Using Area Elements:
Plane Problem (Wrench) 141
6 Static Analysis Using Volume Elements 147
6.1 Tutorial 7: Static Analysis Using Volume Elements:
Component Design 147
6.2 Tutorial 8: Static Analysis Using Volume Elements:
Assembly Design 153
7 Thermal Stress Analysis 161
7.1 Tutorial 9: Thermal Analysis of Mechanical Structure 161
7.2 Tutorial 10 (a): Thermal-Stress Analysis-Sequential
Coupled Field 168
7.3 Tutorial 10 (b): Thermal-Stress Analysis: Direct-Coupled
Field 177
Summary 185
Bibliography 187
Index 18
lisT of figurEs
Figure 1.1. A diagram of the two common branches of the
general modeling solution. 2
Figure 1.2. The thermomechanical stresses in an air-cooled
turbine blade depicted. 3
Figure 1.3. The complex three-dimensional geometry of
the blade along with the combined thermal and
mechanical loadings. 3
Figure 1.4. The mathematical FEM. 5
Figure 1.5. The physical FEM. 6
Figure 1.6. A two dimensional FE model for a gear tooth. 7
Figure 1.7. Linear and nonlinear behavior of the structure. 9
Figure 1.8. Three-dimensional body. 17
Figure 1.9. Equilibrium of elemental volume. 18
Figure 1.10. (a) Plane stress (b) Plane strain. 21
Figure 1.11. Outline of an FE analysis project. 49
Figure 1.12. (a) A tapered bar loaded by axial force P,
(b) Discretization of the bar into four uniform
two-node elements of equal length. 50
Figure 1.13. Lateral midpoint displacement versus time for a
beam loaded by a pressure pulse. The material is
elastic-perfectly plastic. Plots were generated by
various users and various codes. 5
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