Simulink: Excite System for couple seconds but longer simulation time

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I am trying to excite a spring mass damper system with a sine wave block for 10 sec. But I want the overall Simulation time to be longer than that so I can see the response after the source is gone.
Any help to the right direction is gretly appreciated

Accepted Answer

Ameer Hamza
Ameer Hamza on 3 Dec 2020
There can be several ways, but the easiest might be to use a MATLAB function block: https://www.mathworks.com/help/simulink/ug/creating-an-example-model-that-uses-a-matlab-function-block.html. You can input the clock block: https://www.mathworks.com/help/simulink/slref/clock.html to the MATLAB function block and write the following code inside it
function y = fcn(t)
if t < 10
y = sin(t);
else
y = 0;
end
end

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