solver { type Newmark; } bodies { pendulum { type rigidBody; mass 1; centreOfMass (0 -1 0); inertia (0.001 0 0 0.001 0 0.001); parent root; transform (1 0 0 0 1 0 0 0 1) (0 0 0); joint { type Rs; } outline ((0 0 0) (0 -2 0)); } } g (0 -9.81 0); q (0 0 0.149438); deltaT 0.01; // It is necessary to iterate for the Newmark solver nIter 2; endTime 4.1;