Volumetric strain (ev) is given by ____
Here, σx = stress in x-direction, σy = stress in y-direction, σz = stress in z-direction, μ = Poisson ratio and E = Modulus of Elasticity.1
\(\frac{{\left( {{\sigma _1} + {\sigma _2} + {\sigma _3}} \right) \times \left( {1 - 2\mu } \right)}}{E}\)
2
\(\frac{{\left( {{\sigma _1} + {\sigma _2} + {\sigma _3}} \right) \times \left( {2 - \mu } \right)}}{E}\)
3
\(\frac{{\left( {{\sigma _1} + {\sigma _2} + {\sigma _3}} \right)}}{{E \times \left( {1 - 2\mu } \right)}}\)
4
\(\frac{{\left( {{\sigma _1} + {\sigma _2} + {\sigma _3}} \right)}}{{E \times \left( {2 - \mu } \right)}}\)
5
None of these