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Structural and Multidisciplinary Optimization

Erschienen in:

01.09.2015 | RESEARCH PAPER

New optimization method for steered fiber composites using the level set method

verfasst von: Christopher J. Brampton, K. Chauncey Wu, H. Alicia Kim

Erschienen in: Structural and Multidisciplinary Optimization | Ausgabe 3/2015

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Abstract

Advanced fiber placement (AFP) composite manufacturing technology offers a means to tailor composite fibers for complex loading environments and significantly improve the overall structural efficiency. This paper introduces a new method to optimize the continuously varying fiber paths for AFP using a level set method. The paths of the fibers are defined by constant level set function values, describing a series of continuous equally spaced fiber paths. The sensitivity of the structural compliance to a change in level set function definition of the fiber path is derived. The sensitivities are used to optimize the level set defined fiber paths to minimize structural compliance, while maintaining the continuous fiber paths and producing a solution that can be manufactured using AFP. The optimization method is demonstrated in three numerical studies.

Vorheriger Artikel A comparison between robust and risk-based optimization under uncertainty

Nächster Artikel Analytical sensitivity in topology optimization for elastoplastic composites

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Titel: New optimization method for steered fiber composites using the level set method
verfasst von: Christopher J. Brampton
K. Chauncey Wu
H. Alicia Kim
Publikationsdatum: 01.09.2015
Verlag: Springer Berlin Heidelberg
Erschienen in: Structural and Multidisciplinary Optimization / Ausgabe 3/2015
Print ISSN: 1615-147X
Elektronische ISSN: 1615-1488
DOI: https://doi.org/10.1007/s00158-015-1256-6

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