L'optimisation topologique est utilisée pour traiter un problème d'optimisation de résistance en fatigue. La durée de vie en fatigue est maximisée en optimisant la forme d'une structure en plasticité cyclique combinée à la loi d'endommagement de Lemaitre. L'algorithme d'optimisation est détaillé. Un exemple numérique 3D est présenté.
Topology optimization is applied here to discuss an optimization problem of fatigue resistance. Fatigue lifetime is maximized by optimizing the shape of a structure in cyclic plasticity combined with Lemaitre damage law. The topology optimization algorithm is detailed. A 3D numerical example is given.
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Mot clés : Fatigue, Optimisation topologique, Fatigue oligocyclique
Boris Desmorat 1, 2 ; Rodrigue Desmorat 3
@article{CRMECA_2008__336_5_448_0, author = {Boris Desmorat and Rodrigue Desmorat}, title = {Topology optimization in damage governed low cycle fatigue}, journal = {Comptes Rendus. M\'ecanique}, pages = {448--453}, publisher = {Elsevier}, volume = {336}, number = {5}, year = {2008}, doi = {10.1016/j.crme.2008.01.001}, language = {en}, }
Boris Desmorat; Rodrigue Desmorat. Topology optimization in damage governed low cycle fatigue. Comptes Rendus. Mécanique, Volume 336 (2008) no. 5, pp. 448-453. doi : 10.1016/j.crme.2008.01.001. https://comptes-rendus.academie-sciences.fr/mecanique/articles/10.1016/j.crme.2008.01.001/
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