Sectional Modulus of Hood

SECTION MODULUSIt is a geometric property for a given cross-section and it is used in designing beams.It is the ratio of total moment resisted by the section to the stress in the extreme fibre which is equal to yield stress. They are basically of two types

• Elastic Section Modulus
• Plastic Section Modulus

Formulae :

1.  S = I/y

S = Section Modulus

I = Moment of Inertia , y = distance between the neutral axis and the extreme end of the object.

According to the question we are given the specimen of a Stainless steel AISI 302 - cold-rolled , y = 520 Mega Pascals.

NOTE : Higher the section modulus , higher will be the strength of the component. Below at first the sectional modulus of the hood is calculated and then further modifications are done upon it to increase the hood modulus.

Now the distance between the panels are increased by 4mm.

New Section

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