Comptes Rendus
no. 1-2
Duality and symmetry lost in solid mechanics
Huy Duong Bui1, 2
1 Laboratory of Solid Mechanics, Department of Mechanics, École polytechnique, 91128 Palaiseau cedex, France
2 LAMSID/CNRS, Électricite de France, 92141 Clamart cedex, France
Comptes Rendus. Mécanique, Volume 336 (2008) no. 1-2, pp. 12-23.

Some conservation laws in Solids and Fracture Mechanics present a lack of symmetry between kinematic and dynamic variables. It is shown that Duality is the right tool to re-establish the symmetry between equations and variables and to provide conservation laws of the pure divergence type which provide true path independent integrals. The loss of symmetry of some energetic expressions is exploited to derive a new method for solving some inverse problems. In particular, the earthquake inverse problem is solved analytically.

Publié le :
DOI : 10.1016/j.crme.2007.11.018
Mots clés : Conservation laws, Duality, Symmetry loss, Inverse problem
Huy Duong Bui 1, 2

1 Laboratory of Solid Mechanics, Department of Mechanics, École polytechnique, 91128 Palaiseau cedex, France
2 LAMSID/CNRS, Électricite de France, 92141 Clamart cedex, France 
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Huy Duong Bui. Duality and symmetry lost in solid mechanics. Comptes Rendus. Mécanique, Volume 336 (2008) no. 1-2, pp. 12-23. doi : 10.1016/j.crme.2007.11.018. https://comptes-rendus.academie-sciences.fr/mecanique/articles/10.1016/j.crme.2007.11.018/

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