Aerospace structures are traditionally designed using the factor of safety (FOS) approach. The limit load on the structure is determined and the structure is then designed for FOS times the limit load - the ultimate load. Probabilistic approaches utilize distributions for loads and strengths. Failures are predicted to occur in the region of intersection of the two distributions. The load and resistance factor design (LRFD) approach judiciously combines these two approaches by intensive calibration studies on loads and strength to result in structures that are efficient and reliable. This paper discusses these three approaches.
Moving Aerospace Structural Design Practice to a Load and Resistance Factor Approach
SciTech 2016 ; 2016 ; San Diego, CA, United States
2016-01-04
Conference paper
No indication
English
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