Mathematical Problems in Engineering / 2010 / Article / Tab 1

Research Article

Free Vibration of Layered Circular Cylindrical Shells of Variable Thickness Using Spline Function Approximation

Table 1

Material properties of HSG and SGE.

Material DensityYoung’s ModulusYoung’s ModulusShear ModulusPoisson Ratio
ρ×103N-s2/m4Ex×1010N/m2Eθ×1010N/m2×1010N/m2υxθ

HSG1.589212.401.030.549330.27
SGE2.04315.171.170.550600.25