However, because of the lack of the statistical data from the strength of materials used and the applied loads, design concepts based on the safety factor will still dominate for a period. The present safety factor for metallic aircraft structures is generally 1.5, but no final conclusions have...
Dry Stone Retaining Structures Book2016,Dry Stone Retaining Structures Jean-JacquesFry,Jean-PatrickPlassiard Explore book 2.4.1.2Definitions of the factor of safety The stability criteria discriminate stable from unstable states. Now, the margin of safety is usually quantified by thefactor of safety. ...
The ultimate factor of safety (FOS_(ULT)) concept used in aircraft and spacecraft has evolved over many decades. Currently an FOS_(ULT) of 1.5 is the FAR-mandated value for aircraft while an FOS_(ULT) of 1.4 has become standard for human-rated spacecraft. This paper was motivated by ...
The issue with this particular screw is not just the generic quality cres material permitted, which allows use of a crappy 303 alloy, but also the class 2A UNC thread form specified. The 303 cres material and UNC 2A thread form would never be acceptable for a fatigue-sensitive aircraft faste...
Aircraft manufacturer. Given the importance of data quality, the quality of data was assessed based on the following criteria used by Ref. [67] in their safety management manual: − Validity: The data collected complied with the established criteria for their proposed use. − Completeness: All...
AlphaFactorDeterminationfor6-WheelGears GordonHayhoe,AAR-410,FAAWilliamJ.HughesTechnicalCenter,AtlanticCity,NewJersey,U.S.A. Needforevaluation Full-scaleteststructuresandresults Procedureforcalculatingalphafactors AlphafactorProposalsforconsiderationbyICAO ...
Stress Intensity Factors for Corner Cracks under Arbitrary Stress Fields in the Finite Plates Based on the Point Weight Function Method Probabilistic damage tolerance assessment is an essential method to evaluate the safety of aeroengine rotors. The stress intensity factors (SIFs) are the c... G ...
B. F. Bogdanov, “Static endurance of alloys D16AT, V95AT, and 30KhGSA under the joint influence of loads of different frequency,” in: Strength and Endurance of Aircraft Structures [in Russian], Vol. 2, KIIGA, Kiev (1965), pp. 124–127. G. Z. Zaitsev and A. Ya. Aronson, ...
“We wanted to create an amazing digital experience for our most-focused truck customers, and our research led us to look at aircraft HUD concepts because of their task-oriented hierarchal structures,” said Mark Sich, Ford digital design manager. “But because pilots are trained to read informa...
But actual collapse safety that can be achieved through the current building codes is still not well-defined [33] as it requires a large-scale test up to the global collapse limit. Besides, nowadays, there is a trend among researchers/practitioners to design the structures based on the ...