Page 24 - Shigley's Mechanical Engineering Design

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List of Symbols xxi
α Coefficient, coefficient of linear thermal expansion, end-condition for
springs, thread angle
β Bearing angle, coefficient
Change, deflection
δ Deviation, elongation
Eccentricity ratio, engineering (normal) strain
Normal distribution with a mean of 0 and a standard deviation of s
ε True or logarithmic normal strain

Gamma function
γ Pitch angle, shear strain, specific weight
λ Slenderness ratio for springs
L Unit lognormal with a mean of l and a standard deviation equal to COV
μ Absolute viscosity, population mean
ν Poisson ratio
ω Angular velocity, circular frequency
φ Angle, wave length
ψ Slope integral
ρ Radius of curvature
σ Normal stress
σ Von Mises stress
S Normal stress variate
ˆ σ Standard deviation
τ Shear stress
Shear stress variate
θ Angle, Weibull characteristic parameter
¢ Cost per unit weight
$ Cost