Material description

Kolumban Hutter, Ana Ursescu, Alfons A.F. van de Ven

Research output: Chapter in Book/Report/Conference proceedingChapterAcademicpeer-review


In the last two chapters the governing equations of field matter interaction were chiefly based on the spatial or Euler ian description. Only very briefly the material or Lagrange an formulation was given. Such a formulation is of advantage in describing the deformation of solids, because the boundary conditions for solids are usually prescribed on the undeformed body, which is generally the body in its reference configuration. As a consequence, any theory describing deformable solids in the electromagnetic fields should from the outset be given in the material description. This is not done in general; on the contrary, in almost all theories the spatial description is applied. The Lagrangean formulation is introduced only afterwards, and if so, only by introducing some approximations, e.g. linearizations. These linearization procedures, although being straightforward are nevertheless quite cumbersome. They become an almost trivial matter when the material description of the governing field equations is used from the outset.

Original languageEnglish
Title of host publicationElectromagnetic Field Matter Interactions in Thermoelastic Solids and Viscous Fluids
Number of pages44
Publication statusPublished - 2006

Publication series

NameLecture Notes in Physics
ISSN (Print)0075-8450


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