《實用數(shù)學：建模分析逼近（影印版）》內(nèi)容分為三部分：建模，講述了建模的一些原則（包括物理定律、本構(gòu)關(guān)系及守恒定律），量綱分析（包括Buckingham的Pi定理）等;分析技巧，講述了偏微分方程和廣義函數(shù)的基礎知識;漸近分析，講述了漸近展開的基本概念，正則攝動展開，邊界層和多重尺度法等。
Preface
Part Ⅰ Modelling techniques
1 The basics of modelling
1.1 Introduction
1.2 What do we mean by a model?
1.3 Principles of modelling: physical laws and constitutive relations
1.4 Conservation laws
1.5 General remarks
1.6 Exercises
2 Units, dimensions and dimensional analysis
2.1 Introduction
2.2 Units and dimensions
2.3 Electric fields and electrostatics
2.4 Sources and further reading
2.5 Exercises
3 Nondimensionalisation
3.1 Nondimensionalisation and dimensionless parameters
3.2 The Navier-Stokes equations and Reynolds numbers
3.3 Buckinghams Pi-theorem
3.4 Sources and further reading
3.5 Exercises
4 Case studies: hair modelling and cable laying
4.1 The Euler-Bernoulli model for a beam
4.2 Hair modelling
4.3 Undersea cable laying
4.4 Modelling and analysis
4.5 Sources and further reading
4.6 Exercise
5 Case study: the thermistor (1)
5.1 Heat and current flow in thermistors
5.2 Nondimensionalisation
5.3 A thermistor in a circuit
5.4 Sources and further reading
5.5 Exercises
6 Case study: electrostatic painting
6.1 Electrostatic painting
6.2 Field equations
6.3 Boundary conditions
6.4 Nondimensionalisation
6.5 Sources and further reading
6.6 Exercises
Part Ⅱ Analytical techniques
7 Partial differential equations
7.1 First-order quasilinear partial differential equations: theory
7.2 Example: Poisson processes
7.3 Shocks
7.4 Fully nonlinear equations: Charpits method
7.5 Second-order linear equations in two variables
7.6 Further reading
7.7 Exercises
8 Case study: traffic modelling
8.1 Simple models for traffic flow
8.2 Traffic jams and other discontinuous solutions
8.3 More sophisticated models
8.4 Sources and further reading
8.5 Exercises
9 The delta function and other distributions
9.1 Introduction
9.2 A point force on a stretched string; impulses
9.3 Informal definition of the delta and Heaviside functions
9.4 Examples
9.5 Balancing singularities
9.6 Greens functions
9.7 Sources and further reading
9.8 Exercises
10 Theory of distributions
10.1 Test functions
10.2 The action of a test function
10.3 Definition of a distribution
10.4 Further properties of distributions
10.5 The derivative of a distribution
10.6 Extensions of the theory of distributions
10.7 Sources and further reading
10.8 Exercises
11 Case study: the pantograph
11.1 What is a pantograph?
11.2 The model
11.3 Impulsive attachment for an undamped pantograph
11.4 Solution near a support
11.5 Solution for a whole span
11.6 Sources and further reading
11.7 Exercises
Part Ⅲ Asymptotic techniques
12 Asymptotic expansions
12.1 Introduction
12.2 Order notation
12.3 Convergence and divergence
12.4 Further reading
12.5 Exercises
13 Regular perturbation expansions
13.1 Introduction
13.2 Example: stability of a spacecraft in orbit
13.3 Linear stability
13.4 Example: the pendulum
13.5 Small perturbations of a boundary
13.6 Caveat expandator
13.7 Exercises
14 Case study: electrostatic painting (2)
14.1 Small parameters in the electropaint model
14.2 Exercises
15 Case study: piano tuning
15.1 The notes of a piano: the tonal system of Western music
15.2 Tuning an ideal piano
15.3 A real piano
15.4 Sources and further reading
15.5 Exercises
16 Boundary layers
16.1 Introduction
16.2 Functions with boundary layers; matching
16.3 Examples from ordinary differential equations
16.4 Case study: cable laying
16.5 Examples for partial differential equations
16.6 Exercises
17 Case study: the thermistor (2)
17.1 Strongly temperature-dependent conductivity
17.2 Exercises
18 Lubrication theory analysis in long thin domains
18.1 Lubrication theory approximations: slender geometries
18.2 Heat flow in a bar of variable cross-section
18.3 Heat flow in a long thin domain with cooling
18.4 Advection-diffusion in a long thin domain
18.5 Exercises
19 Case study: continuous casting of steel
19.1 Continuous casting of steel
19.2 Exercises
20 Lubrication theory for fluids
20.1 Thin fluid layers: classical lubrication theory
20.2 Thin viscous fluid sheets on solid substrates
20.3 Thin fluid sheets and fibres
20.4 Further reading
20.5 Exercises
21 Case study: turning of eggs during incubation
21.1 Incubating eggs
21.2 Modelling
21.3 Exercises
22 Multiple scales and other methods for nonlinear oscillators
22.1 The Poincare-Linstedt method
22.2 The method of multiple scales
22.3 Relaxation oscillations
22.4 Exercises
23 Ray theory and the WKB method
23.1 Introduction
23.2 Classical WKB theory
23.3 Geometric optics and ray theory: why do we say light travels in straight lines?
23.4 Kelvins ship waves
23.5 Exercises
References
Index
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