67-change-in-stl…

manual-contactmechanicsmodel.tex
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			\chapter{Contact Mechanics Model\index{ContactMechanicsModel}\label{sect:cmm}}

			The contact mechanics model is a specific implementation of the
			\code{Model} interface dedicated to handle the contact between two deformable bodies.

			\section{The contact virtual work}
			\begin{align}
			G_c(\phi, \phi^{*}) = \int_{\Gamma_c^{(1)}}\Big[t_{N}\delta g + t_{T_{\alpha}}\delta\xi^{\alpha}\Big]d\Gamma
			\end{align}