Simple mass-lever-springs system not solved by Simulink

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I have developped a very simple Simulink system with a lever attached to a free mass at C and two springs on A and B. when I apply a Force to single spring, or if a set a initial deformation the system fails to solve the equations.
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Guillermo Gonzalez
Guillermo Gonzalez on 3 Oct 2020
Here it is. One has a force acting in only one spring. The other one has just a initial condition of deformation in only one of the springs.
Thanks for your help.
Rohit Pappu
Rohit Pappu on 28 Oct 2020
Have you tried using a Stiff solver like ode15s or ode23t ?
This was the result upon using a stiff solver like ode15s

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