Introduction to Hydrocodes
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Table of contents
- Prefacev
- Contentsix
- Chapter 1 Dynamic Behavior of Materials and Structures1
- 1.1 Introduction1
- 1.2 Structural dynamics problems4
- 1.3 Wave propagation problems16
- 1.4 Mixed problems25
- 1.5 Summary26
- References27
- Further reading30
- Chapter 2 Wave Propagation and Impact33
- 2.1 Introduction33
- 2.2 Wave propagation in rods and plates36
- 2.3 Flies in the ointment49
- 2.4 Bending waves55
- 2.5 Wave reflections and interfaces55
- 2.6 Dynamic fracture66
- 2.7 Summary70
- References72
- Chapter 3 Shock Waves in Solids75
- 3.1 Introduction75
- 3.2 Uniaxial strain76
- 3.3 Wave propagation82
- 3.4 Conservation equations under shock loading: The Rankine-Hugoniot jump conditions85
- 3.5 The Hugoniot87
- 3.6 The equation of state91
- 3.7 Summary99
- References101
- Chapter 4 Introduction to Numerical Modeling of Fast, Transient Phenomena103
- 4.1 Introduction103
- 4.2 Spatial discretization105
- 4.3 Lagrangian mesh descriptions123
- 4.4 Artificial viscosity138
- 4.5 Time integration141
- 4.6 Constitutive models148
- 4.7 Problem areas160
- 4.8 Summary161
- References162
- Chapter 5 How Does a Hydrocode Really Work?169
- 5.1 Introduction169
- 5.2 Pre-Processing169
- 5.3 Number crunching174
- 5.4 Once more, with feeling198
- References198
- Chapter 6 Alternatives to Purely Lagrangian Computations201
- 6.1 Introduction201
- 6.2 Euler codes204
- 6.3 Arbitrary Lagrange–Euler methods (ALE)223
- 6.4 Coupled Euler–Lagrange calculations226
- 6.5 Smoothed-particle hydrodynamics (SPH)235
- References246
- Chapter 7 Experimental Methods for Material Behavior at High Strain Rates251
- 7.1 Introduction251
- 7.2 The split-Hopkinson pressure bar (Kolsky apparatus)252
- 7.3 The Taylor cylinder260
- 7.4 The expanding ring265
- 7.5 Plate impact experiments268
- 7.6 Pressure–shear experiments272
- 7.7 Summary275
- References275
- Chapter 8 Practical Aspects of Numerical Simulations of Dynamic Events279
- 8.1 Introduction279
- 8.2 Difficulties281
- 8.3 Idealization283
- 8.4 The human factor284
- 8.5 Problems related to computational meshes285
- 8.6 Shortcuts297
- 8.7 Summary306
- References307
- SUBJECT INDEX311
A hydrocode refers to a computer program used for the study of the dynamic response of materials and structures to impulse (primary blast), impact (involving everything from car and aircraft collisions to impacts of space structures by assorted debris).
The understanding of hydrocodes requires knowledge of numerical methods in the code as well as a keen understanding of the physics of the problem being addressed. This can take many years to learn via codes. There are currently a number of titles addressing the physics of high pressure and high rate material but nothing introducing the novice to the fundamentals of this highly technical and complicated study. This title bridges the gap, bringing together the large body of literature, scattered through diverse journals, government and corporate reports and conference proceedings. As valuable as the text are the cited references and the combination will take years off the preparation time of future code users.
* Introduces complex physics essential for the understanding of hydrocodes
* Infused with over 30 years practical experience in the field
* Brings together a wide range of literature saving valuable research time
The understanding of hydrocodes requires knowledge of numerical methods in the code as well as a keen understanding of the physics of the problem being addressed. This can take many years to learn via codes. There are currently a number of titles addressing the physics of high pressure and high rate material but nothing introducing the novice to the fundamentals of this highly technical and complicated study. This title bridges the gap, bringing together the large body of literature, scattered through diverse journals, government and corporate reports and conference proceedings. As valuable as the text are the cited references and the combination will take years off the preparation time of future code users.
* Introduces complex physics essential for the understanding of hydrocodes
* Infused with over 30 years practical experience in the field
* Brings together a wide range of literature saving valuable research time