GATE Mechanical 2025 | Question: 46

Question

The state of stress at a point is shown in the figure given below. Under plane stress assumption, the normal strain along the thickness direction $(\varepsilon_{z z})$ is ________ (rounded off to $2$ decimal places).

Use the Young's Modulus $\mathrm{E}=200 \mathrm{GPa}$ and Poisson's ratio $v=0.27$.