Asked by qwerty
A rectangular beam, with cross-sectional width b, height h, Young's modulus Erect, has the same flexural rigidity as a circular beam with the same cross-sectional area.
What is the Young's modulus, Ecirc, of the circular beam in terms of Erect,b, and h?
What aspect ratio of the rectangular beam, h/b, will result in the same Young's modulus for the rectangular and circular beam Ecirc=Erect?
What is the Young's modulus, Ecirc, of the circular beam in terms of Erect,b, and h?
What aspect ratio of the rectangular beam, h/b, will result in the same Young's modulus for the rectangular and circular beam Ecirc=Erect?
Answers
Answered by
Nestor
4*pi*E_rect*h/(12*b)
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