Abstract
This paper deals with the relation between parameters sensitivities and dimensional invariance on stochastic materials design of fibrous composite laminates. For the materials design of composite materials, there are several cases of the definition of the nominal safety factor In this materials design, though the safety measures such as safety margins are identical with that by another definition of safety factor in deterministic design, it is not always verified that these consistencies are kept in stochastic fields because of the differences of the numbers of basic random variables. Therefore it is important problem in stochastic materials design whether there is consistency for any definition of safety factor or not.
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