case 1 "Boolean for trapezoidal sheet geometry" th 0.00635[m] "Thickness of corrugated sheet" c 0.0508[m] "Half wavelength of corrugation" f 0.0127[m] "Amplitude of corrugation" d 0.1016[m] "Depth of corrugated sheet" lh 2*f/sin(theta)+c-2*f/tan(theta) "Half length of corrugated sheet" I0c 4*f*cot(theta)*(cos(theta)-1)+2*c "Length parameter" I0s 4*f*sin(theta) "Length parameter" I2 4*f^3/(3*(sin(theta)))+2*f^2*(c-2*f/tan(theta)) "Moment of inertia" Iy 0.04598132*c^2*th "Moment of inertia" EE 21[GPa] "Young's modulus" Nu 0.3 "Poisson's ratio" L 1[m] "Reference length"