FEM4EllipticPDE/dox/chapters/magnetics.tex

\chapter{Magnetics}

\section{Linear approximation}

Linear induced magnetism. For low values of $\kappa$, the induced field can be approximated. For higher suceptibilities for for 
remanance furthur corrections are needed, see section \
\[
	\nabla^2 u = \nabla \cdot \kappa \mathbf{H}
\]