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Thursday, July 30, 2020 | History

2 edition of Mathematical solution of physical problems particularly involving magnetostatic fields (and 3 published works). found in the catalog.

Mathematical solution of physical problems particularly involving magnetostatic fields (and 3 published works).

James Caldwell

Mathematical solution of physical problems particularly involving magnetostatic fields (and 3 published works).

by James Caldwell

  • 47 Want to read
  • 18 Currently reading

Published .
Written in English

Edition Notes

Thesis (D. Sc.)--The Queen"s University of Belfast, 1985.

The Physical Object
Pagination4 v
ID Numbers
Open LibraryOL19798831M

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Mathematical solution of physical problems particularly involving magnetostatic fields (and 3 published works) by James Caldwell Download PDF EPUB FB2

The coil is cm high and cm wide; it has turns and is mounted so that it can rotate about an axis (into the page) in a uniform radial magnetic field with B = T. For any orientation of the coil, the net magnetic field through the coil is. Magnetostatic Energy and Forces Magnetostatic (dipole-dipole) forces are long-ranged, but weak.

They determine the magnetic microstructure. 1 MA m-1, µ 0H d. 1 T, hence µ 0H dM. J m-3 Atomic volume. ( nm)3; equivalent temperature. 1 K. Products BH, BM, µ 0H2, µ 0M 2 are all energies per unit Size: KB.

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Since the Renaissance, every century has seen the solution of more mathematical problems than the century before, yet many mathematical problems, both major and minor, still remain unsolved. These unsolved problems occur in multiple domains, including physics, computer science, algebra, analysis, combinatorics, algebraic, differential, discrete.

Consider the solution for ~A and ~B for a finite solenoid. Obtain the radial compo-nent of the ~B field near the axis. Hint: Use the divergence theorem and collect terms order by order in smallness and find the lowest order radial term.: From the derivation of the field for the finite solenoid, we have an expression for ~B =Bz(z)ˆz on.

A family of scattering problems is defined, that is, the classical problem (which follows from Maxwell’s equations) and the so-called “regularized problem” obtained by adding a regularizing term in Maxwell’s equations. These problems are shown to be well posed and to have the same solution.

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Solution of Magnetostatic Field Problems with the Integral Equation Method Abstract —For the solution of magnetostatic field problems the integral equation method (IEM) lived in the shadows because of its high computational costs.

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There are various mathematical descriptions of the electromagnetic field that are used in the study of electromagnetism, one of the four fundamental interactions of nature. In this article, several approaches are discussed, although the equations are in terms of electric and magnetic fields, potentials, and charges with currents, generally speaking.

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In short, they have a ‘computer-like’ mind. A very important problem in magnetostatics is the uniformly magnetized cylinder of finite length. Permanent cylindrical magnets can be modeled as having approximately uniform magnetization, and it is of much interest, given such a uniformly magnetized cylinder, to be able to calculate the magnetic field both outside and inside the magnetized cylinder.

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In case of a volume current distribution the magnetostatic force produced by a magnetic field Br on a object carrying a volume current density Jr() is as follows: F I B J r B r d d r() 3. () This equation is actually a consequence of the Lorentz force affecting a moving charged particle.

The Lorentz force is. A widely recognized problem that physics teachers encounter is the difficulty that most students have when solving problems related to magnetic field line distributions in the presence of hard‐ and softmagnetic materials. Two causes of these difficulties are identified: (1) The fact that the hysteresis is introduced as the typical behavior of ferromagnetic materials; (2) the fact that the.The general solution for a boundary-value problem in spherical coordinates can be written as ∑∑[ ] Boundary-Value Problems with Azimuthal Symmetry We consider physical situations with complete rotational symmetry about the z-axis (azimuthal symmetry or axial symmetry).

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