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https://hdl.handle.net/10356/94851
Title: | Exploiting group symmetry in truss topology optimization | Authors: | Bai, Yanqin Etienne, Klerk de Pasechnik, Dmitrii V. Sotirov, Renata |
Issue Date: | 2008 | Source: | Bai, Y., Klerk, E. d., Pasechnik, D., & Sotirov, R. (2008). Exploiting group symmetry in truss topology optimization. Optimization and Engineering, 10(3), 331-349. | Series/Report no.: | Optimization and engineering | Abstract: | We consider semidefinite programming (SDP) formulations of certain truss topology optimization problems, where a lower bound is imposed on the fundamental frequency of vibration of the truss structure. These SDP formulations were introduced in Ohsaki et al. (Comp. Meth. Appl. Mech. Eng. 180:203–217, 1999).We show how one may automatically obtain symmetric designs, by eliminating the ‘redundant’ symmetry in the SDP problem formulation. This has the advantage that the original SDP problem is substantially reduced in size for trusses with large symmetry groups. | URI: | https://hdl.handle.net/10356/94851 http://hdl.handle.net/10220/9188 |
DOI: | 10.1007/s11081-008-9050-6 | Schools: | School of Physical and Mathematical Sciences | Rights: | © 2008 The Author(s). This article is published with open access at Springerlink.com | Fulltext Permission: | open | Fulltext Availability: | With Fulltext |
Appears in Collections: | SPMS Journal Articles |
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5. Exploiting group symmetry in truss topology optimization.pdf | 465.71 kB | Adobe PDF | View/Open |
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