Section Modulus calculation and optimization

Section modulus was geomentrical property of given cross section of flexural members or beams, other geomentric property related to section modulus - tension,shear,compression for radius of gyration,area moment of interia and polar moment of interia. And this terms are forms in equations. Major section modulus are preffered elasticity and plasticity. Elasticity means after applying load to component , it regain the orginal after reliveing load. but plasticity component won't regain original shape.

Elastic section modulus S=I/Y

I = Area moment of interia

Y = Distance between axis to outer most most surface of component related to its shape of it.

Elastic section modulus is ratio of second area moment of interia to dist between axis to outer most surface.

Yield moment (M) one of important parameter, related with section modulus.

M = S * `sigma`- (genreal expression of yield moment)`

For x-axis

Mx = S * sigma x

For y-axis

My = S * sigma y

For increasing the load capacity and maximum resistance, the section modulus need to increased, means thickness of hood outer and inner pannels will add up to 2mm, with thicken process.

for given master section profile, with help of nx cad analysis

MOI(MAX) = 8.350167041 E+04 MM4

MOI(MIN) = 1.750633552 E+03 MM4