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Problem with simscape model

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Andrea Ongaro
Andrea Ongaro 2019-7-23
关闭： MATLAB Answer Bot 2021-8-20
Hi everyone,
i'am a beginner with matlab and simulink, and for a thesis project i'am trying to set some simulations to have base results for the successive experimental tests.
In this specific case, i'am trying to simulate a very simple system, the will become more complex in the successive steps: a force source that is emulating a force given by a compression spring, and i have to verify if the spring force is enough to overcome a load, that is given by the other force source. In the middle i have a Loaded-Contact Translational Friction to simulate the load that i given by a torsional spring on my physical system.
When i try to simulate, i have the errors that are showed in the image, and i don't what is the problem. Could be related to a missing degree of freedom between the 2 sources?
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Nikhil Sonavane
Nikhil Sonavane 2019-8-5
Please share .slx file of your model and not the images.
Andrea Ongaro
Andrea Ongaro 2019-8-5
I'am sorry, you are right!
Now it's here!

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回答（1 个）

Nikhil Sonavane
Nikhil Sonavane 2019-8-9
From your model I understand that you have not connected any mass blocks to your Loaded Contact Translational Friction block. Without these mass blocks the Loaded Contact Translational Friction block becomes a mass less system and hence cannot converge. I suggest you add these blocks to your model and try again. I have attached the modified model file.
  2 个评论
Andrea Ongaro
Andrea Ongaro 2019-8-9
Thanks a lot for your advice. Can you share the file with the R2018b matlab version? i have some problems in my pc with the R2019a.
Nikhil Sonavane
Nikhil Sonavane 2019-8-9
Attaching MATLAB R2018b version of your model. I have checked it for MATLAB R2018b version.

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