The Best Way to Model Magnetic Fields  

Oleh:

Klimpke, Bruce

Jenis: Article from Bulletin/Magazine - ilmiah internasional
Dalam koleksi: Machine Design (Soft Copy ada dalam http://search.proquest.com/) vol. 82 no. 8 (May 2010), page 50.
Topik: Magnetic Fields; Standard Finite-element Method; Boundary-element Formulation

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: MM44.61 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Most standard software for modeling magnetic fields uses the standard finite-element method. For some problems, however, an alternate boundary-element formulation can be much more efficient. To understand the difference between the methods, it helps to recall a bit of theory. Magnetics fields are governed by Maxwell’s equations. Maxwell’s equations can be expressed in either differential or integral form. The two standard methods used for solving Maxwell’s equations in differential form are the finite-difference method and the finite-element method. The boundary-element method (equivalent to the method of moments) is the numerical technique normally associated with the integral form of a solution. Although both methods produce the same solution for a given problem, they are completely different. To illustrate this, consider a simple magnetic cylinder.

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