Question 3 (30 p): 2L 45 2L 2P The fixed support plate shown left is subjected to singular loads. According to this, a) Create the finite element (mesh) model of the system using triangular and quadrilateral elements, sketch the model in detail (8 p) (specify the element and node numbers). b) Write the connectivity table of the system (8 p). c) Write the force and displacement boundary conditions of the system (14 p)