Robotics, Finite Element Analysis, Programming, Cpp.
DOF (in our case 16x16). Plese note for the bar between node 5 and 2 (see above figure) we have local stiffnes k which (in my case) is represented by matrix also 16x16. All elements kij are initialized to 0. Elements kij = (i, j) , i and j = 10,11,4 and 5 are updated. From matrix K we have to