Structural optimization of composite structures with limited number of element properties. Herencia, J. E., Haftka, R. T., & Balabanov, V. Structural and Multidisciplinary Optimization, 47(2):233–245, 2013. doi abstract bibtex This paper investigates the weight penalty of a composite structure under strength and buckling constraints when cross-sections are designed from a limited number of laminates. The problem is investigated for the well known ten-bar truss structure. Results show that decreasing the number of cross-sections from nine to four has a small impact on the weight of the structure of approximately 5.4%. Furthermore, as the number of cross-sections increases, so does the number of critical constraints. This indicates higher probability of failure.
@Article{Herencia:2013:composite-structure,
author = {Herencia, J. Enrique and Haftka, Raphael T. and Balabanov, Vladimir},
title = {Structural optimization of composite structures with limited number of element properties},
doi = {10.1007/s00158-012-0821-5},
journal = {Structural and Multidisciplinary Optimization},
number = {2},
pages = {233--245},
volume = {47},
year = {2013},
abstract = {This paper investigates the weight penalty of a composite structure under strength and buckling constraints when cross-sections are designed from a limited number of laminates. The problem is investigated for the well known ten-bar truss structure. Results show that decreasing the number of cross-sections from nine to four has a small impact on the weight of the structure of approximately 5.4\%. Furthermore, as the number of cross-sections increases, so does the number of critical constraints. This indicates higher probability of failure.}
}
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