library IEEE; use IEEE.mechanical_systems.all; entity tb_piston is end tb_piston; architecture TB_piston of tb_piston is -- Component declarations -- Signal declarations terminal n1, n2 : translational; begin -- Signal assignments -- Component instances Force1 : entity work.ForcePulse_t(ideal) generic map( initial => 0.0, pulse => 20.0e-3, ti2p => 1 ms, tp2i => 1 ms, delay => 1 ms, width => 1 sec, period => 3 sec ) port map( trans_pos => n1, trans_neg => TRANSLATIONAL_REF ); mass1 : entity work.piston(simple) port map( motion => n1 ); Force2 : entity work.ForcePulse_t(ideal) generic map( initial => 0.0, pulse => 20.0e-3, ti2p => 1 ms, tp2i => 1 ms, delay => 1 ms, width => 1 sec, period => 3 sec ) port map( trans_pos => n2, trans_neg => TRANSLATIONAL_REF ); mass2 : entity work.mass_t(ideal) generic map( m => 10.0 ) port map( trans1 => n2 ); end TB_piston;