A material of youngs modulus and Poissons ratio of unity is subjected to two principal stresses σ1 and σ2 at a point in two dimensional stress system. The strain energy per unit volume of the material is __________

Question

TuteeHUB · Accepted Answer

NA

TuteeHUB · Answer

(σ12 + σ22 – 2σ1σ2 ) / 2E

TuteeHUB · Answer

(σ12 + σ22 + 2σ1σ2 )  / 2E

TuteeHUB · Answer

(σ12 – σ22 – 2σ1σ2 )  / 2E

TuteeHUB · Answer

(σ12 – σ22 – 2σ1σ2 ) / 2E

1.	A material of youngs modulus and Poissons ratio of unity is subjected to two principal stresses σ1 and σ2 at a point in two dimensional stress system. The strain energy per unit volume of the material is __________
A.	(σ12 + σ22 – 2σ1σ2 ) / 2E
B.	(σ12 + σ22 + 2σ1σ2 ) / 2E
C.	(σ12 – σ22 – 2σ1σ2 ) / 2E
D.	(σ12 – σ22 – 2σ1σ2 ) / 2E
Answer» B.

A material of youngs modulus and Poissons ratio of unity is subjected to two principal stresses σ1 and σ2 at a point in two dimensional stress system. The strain energy per unit volume of the material is __________

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