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Please use this identifier to cite or link to this item: http://hdl.handle.net/1807/17153

Title: Cost Based Design Optimization of a Laminated Plate
Authors: Beltempo, Christopher André
Advisor: Hansen, Jorn S.
Department: Aerospace Science and Engineering
Keywords: optimization
engineering cost estimation
aerospace
laminated plate
composites
plate
cost
Issue Date: 24-Feb-2009
Abstract: The focus of this thesis is to introduce a proof-of-concept illustrating the integration of cost and performance as primary design drivers for structural design. Of particular interest to the aerospace industry is laminated structural design, therefore an example problem of a laminated plate structure is selected. This problem presents two primary challenges: linking cost in as general a way as possible to the design variables, and dealing with the many discrete design options available in a laminated plate. The first issue is examined by using a theoretical cost model for advanced composite fabrication and using a Direct Operating Cost model. The second issue is addressed using a gradient based optimization algorithm and a Discrete Material Optimization (DMO) method, which is typically used in topology optimization of structures.
URI: http://hdl.handle.net/1807/17153
Appears in Collections:Master
Institute for Aerospace Studies - Master theses

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