For a rectangular element shown in figure 7.13, displacements at four nodes are given by (left{u_{1}, v_{1}, u_{2}, v_{2}, u_{3}, v_{3}, u_{4}, v_{4} ight}={0.0,0.0,1.0,0.0,2.0,1.0,0.0,2.0}). Calculate

For a rectangular element shown in figure 7.13, displacements at four nodes are given by \(\left\{u_{1}, v_{1}, u_{2}, v_{2}, u_{3}, v_{3}, u_{4}, v_{4}\right\}=\{0.0,0.0,1.0,0.0,2.0,1.0,0.0,2.0\}\). Calculate displacement and strain at point \((s, t)=(1 / 3,0)\).

4)(0,2) (3)(3,2) (3 1 (0,0) 2 (3,0) (2) Figure 7.13 Mapping of a rectangular element