Michal Krízek, Pekka Neittaanmäki

Mathematical and Numerical Modelling in Electrical Engineering Theory and Applications (eBook, PDF)

• Format: PDF

Produktbeschreibung

Mathematical modeling plays an essential role in science and engineering. Costly and time consuming experiments (if they can be done at all) are replaced by computational analysis. In industry, commercial codes are widely used. They are flexible and can be adjusted for solving specific problems of interest. Solving large problems with tens or hundreds of thousands unknowns becomes routine. The aim of analysis is to predict the behavior of the engineering and physical reality usually within the constraints of cost and time. Today, human cost and time are more important than computer cost. This trend will continue in the future. Agreement between computational results and reality is related to two factors, namely mathematical formulation of the problems and the accuracy of the numerical solution. The accuracy has to be understood in the context of the aim of the analysis. A small error in an inappropriate norm does not necessarily mean that the computed results are usable for practical purposes.

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Produktdetails

• Verlag: Springer Netherlands
• Seitenzahl: 300
• Erscheinungstermin: 9. März 2013
• Englisch
• ISBN-13: 9789401586726
• Artikelnr.: 44055257

Inhaltsangabe

1. Introduction.- 2. Mathematical modelling of physical phenomena.- 3. Mathematical background.- 4. Finite elements.- 5. Conjugate gradients.- 6. Magnetic potential of transformer window.- 7. Calculation of nonlinear stationary magnetic fields.- 8. Steady-state radiation heat transfer problem.- 9. Nonlinear anisotropic heat conduction in a transformer magnetic core.- 10. Stationary semiconductor equations.- 11. Nonstationary heat conduction in a stator.- 12. The time-harmonic Maxwell equations.- 13. Approximation of the Maxwell equations in anisotropic inhomogeneous media.- 14. Methods for optimal shape design of electrical devices.- References.- Author index.