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《多物理场仿真:数值方法及工程应用》本书由英特仿真总裁 张群 博士与清华大学 岑松 教授共同编著,是世界上首部多物理场耦合仿真技术及应用专著,由Elsevier与“清华大学出版社”联合出版,现做为清华大学计算力学系教科书使用。
书中详细介绍了工程中常见的结构、流体、温度、电磁、噪声等物理场间的耦合问题,论述了强耦合方法、弱耦合方法以及跨程序之间的耦合方法。对不同耦合边界条件及其数值实现方法进行了深入讨论,涉及流—固耦合、流—固—温度场耦合、电磁—流—固—热耦合等复杂耦合问题。书中还列举了汽车工程、航空航天工程、旋转机械、微机电系统、生物医学工程等领域的20多个实际耦合分析案例。《多物理场仿真:数值方法及工程应用(英文版)》提供了从耦合理论、方法、软件开发到工程实践的较为全面综合的知识和工程实践体系,可供相关学科和行业的科研人员、工程技术人员、软件开发人员阅读参考,也可作为理工科相关课程的研究生教材。


目录
Preface
Acknowledgments
1 The physics models
2 Physics coupling phenomena and formulations
3 The coupling methods
4 Nonstructural physics with moving boundary
5 Stabilization schemes for highly nonlinear problems
6 Coupling simulation for rotating machines
7 High—performance computing for multiphysics problems
8 General multiphysics study cases
9 Multiphysics applications in automotive engineering
10 Computational fluid dynamics in aerospace field and CFD—based multidisciplinary simulations
11 Multiphysics simulation of microelectro—mechanical systems devices
12 Bidirectional multiphysics simulation of turbine machinery
13 Multiphysics modeling for biomechanical problems
14 Other multiphysics applications
15 Code implementation of multiphysics modeling
References
Index

文摘
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Constitutive—equation coupling: the primary variable or output of one field influences the material properties or the constitutive equations of the other physics models.
Analysis—domain coupling: a field.usually the structural field, provides displacement boundary conditions for the nonstructural field to influence their analysis domain.
2.4.2 Coupling types by non/inearity:
strong and weak coupling
Based on the level of' nonlinearity caused by the coupling, coupling problems can be classified into SC problems with high nonlinearity and weak coupling problems with low nonlinearity.
For a coupled .system with high correlation between physics models, such as FSI problems with incompressible fluid enclosed by soft structure, FSI problems with structural buckling, or with discontinuous shock wave in CFD field, the nonlinearity of the system is high.This kind of coupling is referred to as an SC problem.

If the dependency between physics models is weak and the nonlinearity of a coupled system is not critical, it is considered as a weak coupling problem, for example,standard thermal—stress coupling problem without highly nonlinear temperature dependent material behavior, fluid—structure problem with high structure stiffness and low Reynolds number flow in an open domain, etc.


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