Modern Structural Optimization Concepts Applied to Topology Optimization

Authors: 
Juan Pablo Leiva, Brian C. Watson and Iku Kosaka
Publication: 
40th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Material Conference. St. Louis, MO, pp. 1589-1596
Publication Date: 
Apr. 12-15, 1999
Abstract: 

The latest optimization techniques used in size and shape optimization can be applied to topology optimization. This paper describes the use of intermediate design variables, intermediate responses, constraint screening, move limit adjustments and analytical sensitivities to create an approximate topology optimization problem to efficiently solve the real topology optimization problem. Other concepts unique to topology optimization such as checkerboard controls are also discussed.

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