Hello,
Thanks for your answer.
I tried with the function step with this "STEP(varval(launch_force),varval(static_force),varval(launch_force), 1.45 , 0 , 1.50 , 1 )" as I want the spring to lunch the marble at 1.45 and be ready for the second one at 1.50.
However my model still doesn't work, the...