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Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Reliability design of fiber reinforced composites
Abstract The anisotropy of fiber reinforced composites is often designed for some special loading conditions to obtain high strength or other properties. On the other hand, the anisotropy also brings about high sensitivities to loading conditions. This leads to the necessity to take account of the uncertainties of loads and some other design parameters. The reliability design is effective for this type of problems. This paper deals with the optimum configuration design of fiber reinforced laminates under probabilistic conditions of loads and material properties. A multiaxially laminated composite is treated as a series system. The Tsai-Wu failure criterion is adopted as the limit state function of unidirectionally oriented plies in the laminate. A multiple-checkpoint method is used to estimate the system failure probability. An optimization problem is defined to determine the number of fiber orientation axes, orientation angles, and ply ratios in a laminate. The solution procedure is proposed and its validity is demonstrated through numerical examples.
Reliability design of fiber reinforced composites
Abstract The anisotropy of fiber reinforced composites is often designed for some special loading conditions to obtain high strength or other properties. On the other hand, the anisotropy also brings about high sensitivities to loading conditions. This leads to the necessity to take account of the uncertainties of loads and some other design parameters. The reliability design is effective for this type of problems. This paper deals with the optimum configuration design of fiber reinforced laminates under probabilistic conditions of loads and material properties. A multiaxially laminated composite is treated as a series system. The Tsai-Wu failure criterion is adopted as the limit state function of unidirectionally oriented plies in the laminate. A multiple-checkpoint method is used to estimate the system failure probability. An optimization problem is defined to determine the number of fiber orientation axes, orientation angles, and ply ratios in a laminate. The solution procedure is proposed and its validity is demonstrated through numerical examples.
Reliability design of fiber reinforced composites
Murotsu, Yoshisada (Autor:in) / Miki, Mitsunori (Autor:in) / Shao, Shaowen (Autor:in)
Structural Safety ; 15 ; 35-49
01.01.1994
15 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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