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A computational methodology for shape optimization of structures in frictionless contact
Linköping University, The Institute of Technology. Linköping University, Department of Management and Engineering, Solid Mechanics .
Linköping University, The Institute of Technology. Linköping University, Department of Management and Engineering, Mechanics .ORCID iD: 0000-0001-8460-0131
2001 (English)In: Computer Methods in Applied Mechanics and Engineering, ISSN 0045-7825, E-ISSN 1879-2138, Vol. 190, no 31, 4043-4060 p.Article in journal (Refereed) Published
Abstract [en]

This paper presents a computational methodology for shape optimization of structures in frictionless contact, which provides a basis for developing user-friendly and efficient shape optimization software. For evaluation it has been implemented as a subsystem of a general finite element software. The overall design and main principles of operation of this software are outlined. The parts connected to shape optimization are described in more detail. The key building blocks are: analytic sensitivity analysis, an adaptive finite element method, an accurate contact solver, and a sequential convex programing optimization algorithm. Results for three model application examples are presented, in which the contact pressure and the effective stress are optimized. cr 2001 Elsevier Science B.V. All rights reserved.

Place, publisher, year, edition, pages
2001. Vol. 190, no 31, 4043-4060 p.
Keyword [en]
Adaptive meshing, Finite element method, Frictionless contact, Sensitivity analysis, Shape optimization
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:liu:diva-47407DOI: 10.1016/S0045-7825(00)00310-8OAI: oai:DiVA.org:liu-47407DiVA: diva2:268303
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2017-12-13

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Torstenfelt, BoKlarbring, Anders

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