We limit our observation to the motion of the nodes by denoting the horizontal and vertical displacements of node j by x2j−1 (horizontal) and x2j (vertical), respectively. for fiber j Fi...We limit our observation to the motion of the nodes by denoting the horizontal and vertical displacements of node j by x2j−1 (horizontal) and x2j (vertical), respectively. for fiber j Figure below, connecting node mm to node nn and making the angle θj with the positive horizontal axis when node m is assumed to lie at the point (0,0).
