Question: DE problems with dsolve, numeric and a division by zero

Hello,

we have a "little" Multibody Dynamics Project in our University. We try to compute a system with 4 DOF with Lagrange. The problem is that in the end our dsolve give us an error. We checked the whole system like 5 times and searched only for the dsolve problem over 6 hours.

Error from dsolve:

"Error, (in DEtools/convertsys) numeric exception: division by zero"


This error shouldnt be possible because we have no divisions at all in our system or somekind of inifity though arctan or what ever.

Any help would be perfekt.

Thanks a lot

Wackeraf

MultibodyDynamics_Gruppe_aktuell_V3.mw

 

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