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Simula SpringerBriefs on Computing
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Scaling of Differential Equations

Authors: Langtangen, Hans Petter, Pedersen, Geir K.

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  • No comparable book exists
  • Scaling is a classical topic in applied mathematics, but here strongly connected to numerical simulations
  • The book contains a wide range of examples, of differing complexity, from many different scientific fields
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  • ISBN 978-3-319-32726-6
  • This book is an open access book, you can download it for free on link.springer.com
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  • ISBN 978-3-319-32725-9
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About this book

The book serves both as a reference for various scaled models with corresponding dimensionless numbers, and as a resource for learning the art of scaling.  A special feature of the book is the emphasis on how to create software for scaled models, based on existing software for unscaled models.

Scaling (or non-dimensionalization) is a mathematical technique that greatly simplifies the setting of input parameters in numerical simulations. Moreover, scaling enhances the understanding of how different physical processes interact in a differential equation model. Compared to the existing literature, where the topic of scaling is frequently encountered, but very often in only a brief and shallow setting, the present book gives much more thorough explanations of how to reason about finding the right scales. This process is highly problem dependent, and therefore the book features a lot of worked examples, from very simple ODEs to systems of PDEs, especially from fluid mechanics.

The text is easily accessible and example-driven. The first part on ODEs fits even a lower undergraduate level, while the most advanced multiphysics fluid mechanics examples target the graduate level. The scientific literature is full of scaled models, but in most of the cases, the scales are just stated without thorough mathematical reasoning. This book explains how the scales are found mathematically.

This book will be a valuable read for anyone doing numerical simulations based on ordinary or partial differential equations.

About the authors

Hans Petter Langtangen is a professor of computer science at the University of Oslo. He has formerly been a professor of mechanics and is now the director of a Norwegian Center of Excellence: "Center for Biomedical Computing", at Simula Research Laboratory. Langtangen has published over 100 scientific publications and written several books, including papers and the bestseller TCSE 6 "A Primer on Scientific Programming with Python", now in its 5th edition. He has also developed open source and commercial software systems for computational sciences.

Geir K. Pedersen is a professor of mechanics at the Department of Mathematics, University of Oslo. He has a life-long experience in fluid dynamics and mathematical modeling. Pedersen has published articles on wave theory, numerical modeling, perturbation techniques, tsunamis, hydrodynamic stability and experimental fluid dynamics.     

Table of contents (4 chapters)

Table of contents (4 chapters)
  • Dimensions and units

    Pages 1-15

    Langtangen, Hans Petter (et al.)

  • Ordinary differential equation models

    Pages 17-68

    Langtangen, Hans Petter (et al.)

  • Basic partial differential equation models

    Pages 69-98

    Langtangen, Hans Petter (et al.)

  • Advanced partial differential equation models

    Pages 99-134

    Langtangen, Hans Petter (et al.)

Buy this book

eBook  
  • ISBN 978-3-319-32726-6
  • This book is an open access book, you can download it for free on link.springer.com
Softcover 20,79 €
price for Spain (gross)
  • ISBN 978-3-319-32725-9
  • Free shipping for individuals worldwide
  • Immediate ebook access, if available*, with your print order
  • Usually dispatched within 3 to 5 business days.
  • The final prices may differ from the prices shown due to specifics of VAT rules
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Bibliographic Information

Bibliographic Information
Book Title
Scaling of Differential Equations
Authors
Series Title
Simula SpringerBriefs on Computing
Series Volume
2
Copyright
2016
Publisher
Springer International Publishing
Copyright Holder
The Editor(s) (if applicable) and the Author(s)
eBook ISBN
978-3-319-32726-6
DOI
10.1007/978-3-319-32726-6
Softcover ISBN
978-3-319-32725-9
Edition Number
1
Number of Pages
XIII, 138
Number of Illustrations
22 b/w illustrations
Topics

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