# free_falling_body_E.mbd begin: data; problem: initial value; end: data; begin: initial value; initial time: 0.; final time: 1.; time step: 1.e-3; max iterations: 10; tolerance: 1.e-6; end: initial value; begin: control data; structural nodes: 1; rigid bodies: 1; gravity; end: control data; # Design Variables set: real Vy0 = 3.; #[m/s] Initial horizontal speed set: real M = 1.; #[kg] Mass of the ball # Node Labels set: integer Node_Ball = 1; # Body Labels set: integer Body_Ball = 1; begin: nodes; structural: Node_Ball, dynamic, null, # absolute position eye, # absolute orientation 0., Vy0, 0., # absolute velocity null; # absolute angular velocity end: nodes; begin: elements; body: Body_Ball, Node_Ball, M, # mass null, # relative center of mass eye; # inertia matrix gravity: 0., 0., -1., const, 9.81; end: elements;