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Title: Shape and topological sensitivity analysis in domains with cracks (English)
Author: Khludnev, Alexander
Author: Sokołowski, Jan
Author: Szulc, Katarzyna
Language: English
Journal: Applications of Mathematics
ISSN: 0862-7940 (print)
ISSN: 1572-9109 (online)
Volume: 55
Issue: 6
Year: 2010
Pages: 433-469
Summary lang: English
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Category: math
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Summary: The framework for shape and topology sensitivity analysis in geometrical domains with cracks is established for elastic bodies in two spatial dimensions. The equilibrium problem for the elastic body with cracks is considered. Inequality type boundary conditions are prescribed at the crack faces providing a non-penetration between the crack faces. Modelling of such problems in two spatial dimensions is presented with all necessary details for further applications in shape optimization in structural mechanics. In the paper, general results on the shape and topology sensitivity analysis of this problem are provided. The results are of interest of their own. In particular, the existence of the shape and topological derivatives of the energy functional is obtained. The results presented in the paper can be used for numerical solution of shape optimization and inverse problems in structural mechanics. (English)
Keyword: crack with non-penetration
Keyword: shape sensitivity
Keyword: derivative of energy functional
Keyword: topological derivative
MSC: 35J25
MSC: 49J40
MSC: 49K10
MSC: 49K40
MSC: 49Q10
MSC: 74B05
MSC: 74K20
MSC: 74M15
MSC: 74P15
MSC: 74R10
idZBL: Zbl 1224.49014
idMR: MR2737714
DOI: 10.1007/s10492-010-0018-4
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Date available: 2010-11-24T08:18:14Z
Last updated: 2020-07-02
Stable URL: http://hdl.handle.net/10338.dmlcz/140820
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