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Reliability-based Design Optimization and Robust Design Optimization Using ...
Limited preview - 2008
RELIABILITY DESIGN THEORY FOR MECHANICAL
ANALYSES OP STRESS AND STRENGTH
3 other sections not shown
algebraic function application assume Random variable axial stress bility density function component dimensions component failure component strength component's strength concepts constant defined Density and Failure derived design engineer design variables determine the probability developed dk k exp equa Equation 16 exp Xkk exponential proba failure rate functions failure theories fatigue failure fs(s fT(t fu(u function of random Fx(x fy(u fz(z given by Equation gives H H H imposed loads imposed stress independent interference theory Marginal probability mechanical equipment Natural logarithm ponent pounds per square prob probability density function probability distribution function probability of component probability of failure problem random variable stress reliability design theory reliability equations reliability function reliability theory requirements shearing stress specified square inch Strain energy strength and stress strength probability density stress and strength stress imposed stress probability density Substituting Equation theories of failure thesis timate tion unit strength unit stress Weibull Xs+aXw