多物理场仿真 数值方法及工程应用 英文版PDF|Epub|txt|kindle电子书版本网盘下载

多物理场仿真 数值方法及工程应用 英文版PDF格式电子书版下载

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1 The physics models1

1.1 Heat flow fundamentals2

1.2 Fluid dynamics6

1.3 Structural mechanics26

1.4 Electromagnetic field59

1.5 Acoustic analysis93

2 Physics coupling phenomena and formulations97

2.1 Introduction to coupling problems98

2.2 General coupling equations98

2.3 Types of coupling interfaces102

2.4 Classification of coupling phenomena103

2.5 The coupling matrices among physics models104

2.6 Thermal-stress coupling104

2.7 Fluid-structure interaction107

2.8 Conjugate heat transfer problem112

2.9 Acoustic-structure coupling113

2.10 Piezoelectric analysis115

2.11 Electrostatic-structure coupling116

2.12 Magneto-structure coupling116

2.13 Magneto-fluid coupling117

2.14 Electrothermall coupling118

2.15 Magnetic-thermal coupling120

2.16 Summary of the coupling types120

3 The coupling methods125

3.1 Introduction to coupling methods125

3.2 The strong coupling method126

3.3 Weak coupling methods133

3.4 Comparisons of the strong and weak coupling methods151

3.5 Time integration scheme for transient multiphysics problems152

4 Nonstructural physics with moving boundary157

4.1 The moving domain problem in multiphysics simulation157

4.2 Advanced morphing method159

4.3 Automatic remeshing technology160

4.4 Mesh controls for rotating machinery164

4.5 Treatment for pinched flow problems167

4.6 Examples for mesh control167

5 Stabilization schemes for highly nonlinear problems177

5.1 An overview of stabilization methods177

5.2 Stabilization methods in spatial domain178

5.3 Stabilization in the time integration scheme191

5.4 Underrelaxation of the solution vector197

5.5 Capping for the solution198

5.6 Trade off the stability，accuracy，and efficiency199

6 Coupling simulation for rotating machines201

6.1 Reference frames201

6.2 General coupling boundary conditions203

6.3 Governing equations in body-attached rotating frame209

6.4 Multiple frames of references for rotating problems210

6.5 Morphing technology for rotating problems219

6.6 Multiphysics simulation for rotating machines220

7 High-performance computing for multiphysics problems227

7.1 The challenges in large-scale multiphysics simulation227

7.2 Parallel algorithm for the strong coupling method228

7.3 Parallel scheme for weak coupling methods230

8 General multiphysics study cases233

8.1 Efficiency studies of strong and weak coupling methods for simple case233

8.2 Fluid-structure interaction simulation of flow around a cylinder with a flexible flag attached237

8.3 Fluid-structure simulation of a flapping wing structure in a water channel245

9 Multiphysics applications in automotive engineering251

9.1 The study of dynamic characteristics of hydraulic engine mounts by strong coupling finite element model251

9.2 Weak coupling fluid-solid-thermal analysis of exhaust manifold267

9.3 Coupling analysis of permanent magnet synchronous motor273

10 Computational fluid dynamics in aerospace field and CFD-based multidisciplinary simulations295

10.1 Application and development of computational fluid dynamics simulation in the aerospace field295

10.2 The research topic and its progress297

10.3 Example310

11 Multiphysics simulation of microelectro-mechanical systems devices329

11.1 Introduction to MEMS329

11.2 Micropump329

11.3 Natural convection cooling of a microelectronic chip334

12 Bidirectional multiphysics simulation of turbine machinery339

12.1 The fluid-structure-thermal bidirectional coupling analysis on the rotor system of turbo expander339

12.2 The fluid-structure coupling analysis of the turbine blade349

13 Multiphysics modeling for biomechanical problems363

13.1 Numerical analysis of a 3D simplified artificial heart363

13.2 FSI simulation of a vascular tumor366

14 Other multiphysics applications375

14.1 FSI simulation of a sensor device in civil engineering375

14.2 Acoustic structural coupling case381

15 Code implementation of multiphysics modeling387

15.1 Overview of commercial CAE software for multiphysics387

15.2 Code implementation for multiphysics modeling389

References397

Index409