Question

derive an expression for strain energy?​

Answer 1

Answer:

Strain energy is defined as the energy stored in a body due to deformation. The strain energy per unit volume is known as strain energy density and the area under the stress-strain curve towards the point of deformation. ... Regarding young's modulus E, the strain energy formula is given as, U = σ2 / 2E × V

Answer 2

Answer:

strain energy=U=P^2×volume of bar

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