Electrodynamics of Materials: Forces, Stresses and Energies in Solids and Fluids (Electromagnetism) Book + PRICE WATCH * Amazon pricing is not included in price watch

Electrodynamics of Materials: Forces, Stresses and Energies in Solids and Fluids (Electromagnetism) Book

This book is a detailed treatment of volume and surface force-densities and mechanical stresses in electrically and/or magnetically polarized bodies. The classical approach applies equally well to the electric and/or to the magnetic case.The issue of computation of force densities in materials is still a controversial one, but it is very important in many practical applications. These include the design of electric machines and various power apparatus, permanent magnet devices, and piezo-electric actuators and sensors. By combining electrodynamic theory, continuum mechanics and classical thermodynamics, important and reliable formulas for force densities are derived and settled. In particular, the well-known controversy between the Helmholtz and the Kelvin formulas for force densities in linear fluid dielectrics is analyzed in detail in the light of existing experimental results. * Thoroughly examines the role of mechanical stress tensor in electric and magnetic polarized materials; its connection with Maxwell's stress tensor is elucidated; the classical Cauchy's argument required to introduce the mechanic stress tensor (the Cauchy cut) is modified in such a way to be applicable to polarized materials* The constitutive relationships of polarized materials are derived from those holding for unpolarized materials* Closely examines the concept of electric and magnetic field energy and its connection with the thermodynamic internal energy of matter* Considers the role of magneto-hydro-statics (MHS) as a modern comprehensive theory including both magnetostatics and hydrostatics; describes several experimental MHS devices suited to test the theory* Examines magnetic materials from both points of view: Coulombian and Amperian* Provides several different expressions for the resultant force and moment acting upon an electronically or magnetically polarized material body, and compares the twoRead More

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  • 0121082601
  • 9780121082604
  • Scipione Bobbio
  • 8 October 1999
  • Academic Press Inc
  • Hardcover (Book)
  • 364
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