Simple mass-lever-springs system not solved by Simulink

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Guillermo Gonzalez
Guillermo Gonzalez 2020-10-2
评论： Rohit Pappu 2020-10-28
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 2020-10-3
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 2020-10-28
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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