Computational Micromagnetism
Language: English
Published by Vieweg+Teubner Verlag, Vieweg+Teubner Verlag Dez 2001, 2001
- Softcover
- New
Seller: BuchWeltWeit Ludwig Meier e.K., Bergisch Gladbach, GermanyBuchWeltWeit Ludwig Meier e.K.
AbeBooks seller since January 11, 2012
Condition: New
£ 46.82
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Add to basketItem description from seller
This item is printed on demand - it takes 3-4 days longer - Neuware -In this work, we study numerical issues related to a common mathematical model which describes ferromagnetic materials, both in a stationary and non stationary context. Electromagnetic effects are accounted for in an extended model to study nonstationary magneto-electronics. The last part deals with the numerical analysis of the commonly used Ericksen-Leslie model to study the fluid flow of nematic liquid crystals which find applications in display technologies, for example. All these mathematical models to describe different microstructural phe nomena share common features like (i) strong nonlinearities, and (ii) non convex side constraints (i.e., I m I = 1, almost everywhere in w C JRd, for the order parameter m : w -+ JRd). One key issue in numerical modeling of such problems is to make sure that the non-convex constraint is fulfilled for computed solutions. We present and analyze different solution strategies to deal with the variational problem of stationary micromagnetism, which builds part I of the book: direct minimization, convexification, and relaxation using Young measure-valued solutions. In particular, we address the following points: - Direct minimization: A spatial triangulation 'generates an artificial exchange energy contribution' in the discretized minimizing problem which may pollute physically relevant exchange energy contributions; its minimizers exhibit multiple scales (with branching structures near the boundary of the ferromagnet) and are difficult to be computed efficiently. We exploit this observation to construct an adaptive scheme which better resolves multiple scale structures (cubic ferromagnets). 324 pp. Englisch.…
Seller Inventory # 9783519003588
- Title
- Computational Micromagnetism
- Author
- Andreas Prohl
- Publisher
- Vieweg+Teubner Verlag, Vieweg+Teubner Verlag Dez 2001
- Publication year
- 2001
- Condition
- Neu
- Binding
- Taschenbuch
- Language
- English
- ISBN 10
- 3519003589
- ISBN 13
- 9783519003588
- Item weight
- 562 grams
- Dimensions
- 244x170x18 mm
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About the Author
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BuchWeltWeit Ludwig Meier e.K.
Bergisch Gladbach, Germany
AbeBooks seller since January 11, 2012
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