The basic idea presented herein is that a systematic method for optimal structural design can be developed that accounts for probable future damage to the structure. A general mathematical model for the damage-tolerant structure design problem is defined. Design sensitivity analysis and procedures for treatment of a large number of constraints for the problem are presented. As a practical design example, damage-tolerant design of an open truss helicopter tail-boom structure is considered. Optimal designs for several cases of the tail-boom are presented. It is shown that considerable design variation is necessary to achieve the damage-tolerant design objective. It is also shown that if the structure is optimized without consideration of damage, the structure will fail catastrophically when any damage occurs to the structure. (Stoehr)
Optimal design of large structures for damage tolerance
Optimaler Entwurf grosser Bauteile mit Schadenstoleranz
AIAA Journal ; 18 , 5 ; 563-570
1980
8 Seiten, 4 Bilder, 8 Tabellen, 11 Quellen
Aufsatz (Zeitschrift)
Englisch
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