The biological algorithm for solving shape optimization problems with fracture strength and fatigue life constrains

Peng, D, Jones, R and Xie, Y 2005, 'The biological algorithm for solving shape optimization problems with fracture strength and fatigue life constrains', in M. Xie et al. (ed.) Advances in Applied Mechanics, Melbourne, Australia, 16-18 February, 2005.


Document type: Conference Paper
Collection: Conference Papers

Title The biological algorithm for solving shape optimization problems with fracture strength and fatigue life constrains
Author(s) Peng, D
Jones, R
Xie, Y
Year 2005
Conference name Australasian Congress on Applied Mechanics
Conference location Melbourne, Australia
Conference dates 16-18 February, 2005
Proceedings title Advances in Applied Mechanics
Editor(s) M. Xie et al.
Publisher Institute of Materials Engineering Australasia
Place of publication Melbourne, Australia
Abstract This paper presents a general methodology for shape optimization that can be applied to problems with either static strength or fatigue life as optimization objective functions and/or constraints. Research has shown that a structure optimized for the minimum boundary stress does not necessarily give the longest fatigue life. In addition, as the boundary shape is changes, the critical crack locations also change. This makes it necessary to simultaneously consider flaws at a range of locations in the structure.
Subjects Structural Engineering
Copyright notice © 2005 Institute of Materials Engineering Australasia Ltd
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