具体描述
《有限元方法的数学理论(第3版)》内容简介:This edition contains four new sections on the following topics: the BDDC domain decomposition preconditioner (Section 7.8), a convergent adaptive algorithm (Section 9.5), interior penalty methods (Section 10.5) and Poincare-Friedrichs inequalities for piecewise Wp1 functions (Section 10.6).We have made improvements throughout the text, many of which were suggested by colleagues, to whom we are grateful. New exercises have been added and the list of references has also been expanded and updated.
作者简介
目录信息
preface to the third edition
preface to the second edition
preface to the first edition
0 basic concepts
0.1 weak formulation of boundary value problems
0.2 ritz-galerkin approximation
0.3 error estimates
0.4 piecewise polynomial spaces - the finite element method
0.5 relationship to difference methods
0.6 computer implementation of finite element methods
0.7 local estimates
0.8 adaptive approximation
0.9 weighted norm estimates
0.x exercises
1 sobolev spaces
1.1 review of lebesgue integration theory
1.2 generalized (weak) derivatives
1.3 sobolev norms and associated spaces
1.4 inclusion relations and sobolev's inequality
1.5 review of chapter 0
1.6 trace theorems
1.7 negative norms and duality
1.x exercises
2 variational formulation of elliptic boundary value problems
2.1 inner-product spaces
2.2 hilbert spaces
2.3 projections onto subspaces
2.4 riesz representation theorem
2.5 formulation of symmetric variational problems
2.6 formulation of nonsymmetric variational problems
2.7 the lax-milgram theorem
2.8 estimates for general finite element approximation
2.9 higher-dimensional examples
2.x exercises
3 the construction of a finite element space
3.1 the finite element
3.2 triangular finite elements
the lagrange element
the hermite element
the argyris element
3.3 the interpolant
3.4 equivalence of elements
3.5 rectangular elements
tensor product elements
the serendipity element
3.6 higher-dimensional elements
3.7 exotic elements
3.x exercises
4 polynomial approximation theory in sobolev spaces
4.1 averaged taylor polynomials
4.2 error representation
4.3 bounds for riesz potentials
4.4 bounds for the interpolation error
4.5 inverse estimates
4.6 tensor. product polynomial approximation
4.7 isoparametric polynomial approximation
4.8 interpolation of non-smooth functions
4.9 a discrete sobolev inequality
4.x exercises
5 n-dimensional variational problems
5.1 variational formulation of poisson's equation
5.2 variational formulation of the pure neumann problem
5.3 coercivity of the variational problem
5.4 variational approximation of poisson's equation
5.5 elliptic regularity estimates
5.6 general second-order elliptic operators
5.7 variational approximation of general elliptic problems
5.8 negative-norm estimates
5.9 the plate-bending biharmonic problem
5.x exercises
6 finite element multigrid methods
6.1 a model problem
6.2 mesh-dependent norms
6.3 the multigrid algorithm
6.4 approximation property
6.5 w-cycle convergence for the kth level iteration
6.6 ]/-cycle convergence for the kth level iteration
6.7 full multigrid convergence analysis and work estimates
6.x exercises
7 additive schwarz preconditioners
7.1 abstract additive schwarz framework
7.2 the hierarchical basis preconditioner
7.3 the bpx preconditioner
7.4 the two-level additive schwarz preconditioner
7.5 nonoverlapping domain decomposition methods
7.6 the bps preconditioner
7.7 the neumann-neumann preconditioner
7.8 the bddc preconditioner
7.x exercises
8 max-norm estimates
8.1 main theorem
8.2 reduction to weighted estimates
8.3 proof of lemma 8.2.6
8.4 proofs of lemmas 8.3.7 and 8.3.11
8.5 lp estimates (regular coefficients)
8.6 lp estimates (irregular coefficients)
8.7 a nonlinear example
8.x exercises
9 adaptive meshes
9.1 a priori estimates
9.2 error estimators
9.3 local error estimates
9.4 estimators for linear forms and other norms
9.5 a convergent adaptive algorithm
9.6 conditioning of finite element equations
9.7 bounds on the condition number
9.8 applications to the conjugate-gradient method
9.x exercises
10 variational crimes
10.1 departure from the framework
10.2 finite elements with interpolated boundary conditions
10.3 nonconforming finite elements
10.4 isoparametric finite elements
10.5 discontinuous finite elements
10.6 poincare-friedrichs inequalitites for piecewise w1p functions
10.x exercises
11 applications to planar elasticity
11.1 the boundary value problems
11.2 weak formulation and korn's inequality
11.3 finite element approximation and locking
11.4 a robust method for the pure displacement problem
11.x exercises
12 mixed methods
12.1 examples of mixed variational formulations
12.2 abstract mixed formulation
12.3 discrete mixed formulation
12.4 convergence results for velocity approximation
12.5 the discrete inf-sup condition
12.6 verification of the inf-sup condition
12.x exercises
13 iterative techniques for mixed methods
13.1 iterated penalty method
13.2 stopping criteria
13.3 augmented lagrangian method
13.4 application to the navier-stokes equations
13.5 computational examples
13.x exercises
14 applications of operator-interpolation theory
14.1 the real method of interpolation
14.2 real interpolation of sobolev spaces
14.3 finite element convergence estimates
14.4 the simultaneous approximation theorem
14.5 precise characterizations of regularity
14.x exercises
references
index
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读后感
用户评价
这本书的排版和图文配合简直是艺术品级别的享受。在阅读技术性极强的教材时,视觉体验往往是被忽视的一环,但这部作品在这方面做得极为出色。清晰的符号定义、规范的数学排版,确保了阅读过程中几乎没有因格式问题导致的理解障碍。更重要的是,书中绘制的插图,不仅仅是装饰,它们是讲解复杂空间几何和张量运算的有力工具。例如,在解释形函数插值时,那些三维空间中单元边界上的局部坐标变换图,清晰得令人赞叹,一下子扫清了我脑海中关于局部坐标系转换的混乱。而且,作者似乎深谙读者的阅读习惯,每当引入一个新的复杂概念后,总会紧接着提供一个简明的数学总结或物理意义的提炼,这极大地帮助了知识的固化。这本书的装帧和纸张质量也很好,拿在手里,感觉就像是捧着一件值得珍藏的知识结晶。
这是一部令人惊叹的著作,它的深入剖析能力实在令人佩服。我一直在寻找一本能够将理论的严谨性与实际应用的直观性完美结合的书籍,而这部作品恰恰做到了这一点。作者在讲解基础概念时,那种层层递进、抽丝剥茧的叙述方式,让我这个初学者也能跟上节奏,不至于在复杂的数学推导前望而却步。特别是对于那些看似晦涩难懂的收敛性分析和误差估计部分,作者用非常清晰的图示和巧妙的类比,将抽象的数学语言转化为可理解的工程直觉。我尤其欣赏作者在介绍不同类型单元(如三角形单元、四边形单元)时的对比分析,不仅仅是列举公式,更是深入探讨了每种单元在处理特定几何形状和边界条件时的优势与局限性。读完对数值模拟的信心大增,感觉自己真正抓住了问题的核心,而不是仅仅停留在套用软件的层面。这本书的价值,在于它真正教会了我如何“思考”数值问题。
这本书的结构设计简直是教科书级别的典范,阅读体验流畅得如同高水平的交响乐。它并非简单地罗列知识点,而是构建了一个完整的知识体系框架。从最基础的变分原理出发,逐步引向伽辽克-洛克林法,再到后期的非线性问题处理,每一步的过渡都衔接得天衣无缝。我发现自己不再需要频繁地在不同章节间跳转来寻找上下文的关联,因为作者已经预先为我们搭建好了逻辑的桥梁。那些精心挑选的例题,不仅仅是用来验证公式的正确性,它们更像是一个个精心设计的实验,引导我们去观察不同参数变化时系统行为的微妙调整。那些关于刚度矩阵组装过程的细致讲解,简直是为初次接触大规模有限元编程的读者量身定做的指南。我必须承认,在没有这本书之前,我总感觉自己对有限元方法只是停留在“知道怎么用”的层面,而现在,我开始真正理解它“为什么会这样工作”。
这部书的阅读过程,对我来说更像是一次智力的攀登。它的难度是毋庸置疑的,对于那些只满足于表面理解的读者来说,可能会感到吃力。但正是这种挑战性,造就了其非凡的价值。作者在介绍高级主题时,比如时间相关的耦合问题或者涉及非标准几何体的处理策略,并没有采取简化处理,而是坚持用最严谨的方式去展现问题的复杂性。这种毫不妥协的学术态度,使得这本书成为了一个真正的参考宝库,而非一本速成指南。我发现,即使是对于那些我已经学习过的概念,作者也总能提供一个新的、更深层次的视角去重新审视。比如,对于非线性迭代方法的收敛速率分析,书中提供的洞察力远超我以往接触的任何资料。它要求读者投入时间去消化和思考,但作为回报,你获得的将是对该领域更深刻、更持久的理解。
坦率地说,市面上很多关于计算方法的书籍都过于侧重于数学证明的完整性,结果就是读者在厚厚的定理和引理中迷失了方向,对实际应用感到茫然。这部作品则巧妙地避开了这个陷阱。它在保持高度理论深度的同时,始终牢牢地把握着工程问题的脉搏。书中对实际建模中经常遇到的挑战,比如网格畸形、奇点处理以及时间步长选择的敏感性,都有独到的见解和解决方案的讨论。我特别欣赏其中关于后处理技术的部分,作者并没有把这个环节当作一个简单的“收尾工作”,而是将其视为验证模型有效性的关键一步。通过书中展示的应力集中可视化案例,我学会了如何更批判性地审视计算结果,而不是盲目相信屏幕上的数字。这对于任何希望将有限元工具应用到实际工程设计中的人来说,都是无价的指导。
研读像这样理论性强的书就像趟浑水,一陷进去就需要花大量时间,不适合我这种需要即学即用的人。
这本书虽然学完已经一年了,但还要反复反复看,没读过Cialet那本二阶椭圆,但Brenner这本我觉得很经典了
这本书虽然学完已经一年了,但还要反复反复看,没读过Cialet那本二阶椭圆,但Brenner这本我觉得很经典了
研读像这样理论性强的书就像趟浑水,一陷进去就需要花大量时间,不适合我这种需要即学即用的人。
这本书虽然学完已经一年了,但还要反复反复看,没读过Cialet那本二阶椭圆,但Brenner这本我觉得很经典了