Optimization with non-homogeneous failure criteria like Tsai–Wu for composite laminates
In designing composite laminates, minimization of a suitable failure criterion is sometimes selected as the objective function. However, for non-homogeneous criteria, e.g., the Tsai–Wu criterion, this objective function will not maximize the failure load, when it is carried at a load which is differ...
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| Veröffentlicht in: | Structural and multidisciplinary optimization 2006-09, Vol.32 (3), p.183-190 |
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| container_title | Structural and multidisciplinary optimization |
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| creator | Groenwold, Albert A Haftka, Raphael T |
| description | In designing composite laminates, minimization of a suitable failure criterion is sometimes selected as the objective function. However, for non-homogeneous criteria, e.g., the Tsai–Wu criterion, this objective function will not maximize the failure load, when it is carried at a load which is different from the failure load. We suggest that the use of a safety factor for the objective function is more appropriate for maximizing for the faiure load. In fact we show losses of more than 40% in the load carrying capacity even when the load carrying capacity of the optimal laminate is 75% of the applied load. |
| doi_str_mv | 10.1007/s00158-006-0020-3 |
| format | Article |
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| ispartof | Structural and multidisciplinary optimization, 2006-09, Vol.32 (3), p.183-190 |
| issn | 1615-147X 1615-1488 |
| language | eng |
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| source | SpringerLink Journals |
| subjects | Bearing strength Criteria Failure load Laminates Load carrying capacity Optimization Safety factors |
| title | Optimization with non-homogeneous failure criteria like Tsai–Wu for composite laminates |
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