ADAMS Car Tierod Problem

[D_Krth]

Hello, our rear suspension template has been running into some problems.
Specifically, while the opposite travel tests run normally, the outer tierod forces shown on the post-processing window are close to zero. This happens on every axis.

I have also saved the message logs from the same analysis:



Begin Static Solution

Time T=0.000000000E+00.
Degree-of-freedom analysis identified redundant constraints in the model:
-------------------------------------------------------------------------
- deactivating constraint equation Z Delta in model.rear_suspension.jorsph_Sph_Pushrodd
- deactivating constraint equation Y Delta in model.rear_suspension.jorsph_Sph_Pushrodd
- deactivating constraint equation X Delta in model.rear_suspension.jorsph_Sph_Pushrodd
- deactivating constraint equation Z Delta in model.rear_suspension.jolsph_Sph_Pushrodd
- deactivating constraint equation Y Delta in model.rear_suspension.jolsph_Sph_Pushrodd
- deactivating constraint equation X Delta in model.rear_suspension.jolsph_Sph_Pushrodd
- deactivating constraint equation X Delta in model.rear_suspension.jorsph_Sph_RLCA
- deactivating constraint equation X Delta in model.rear_suspension.jolsph_Sph_RLCA
- deactivating constraint equation X Delta in model.rear_suspension.jorsph_Sph_FUCA
- deactivating constraint equation X Delta in model.rear_suspension.jolsph_Sph_FUCA

Reading configuration file 'C:\Program Files\MSC.Software\Adams\2020_711253\acar/acar.cfg'
Reading configuration file 'C:\Users\ÄçìÞôñçò/.acar.cfg'
Reading configuration file 'C:\Program Files\MSC.Software\Adams\2020_711253\aexplore/aexplore.cfg'


STATICS: Original static solver will be used with the Sparse linear solver.

Static Solution converged in 4 iterations
Residual imbalance is less than 3.15365E-05

End Static Solution
Begin Simulation
[...]

Simulation(s) are complete!
Loading analysis results...
Loading results done.

Any help would be appreciated.

 

[GregLocock]

I suggest you look at the animation. You'll probably see that the solver has released some of your overconstraints. There used to be a scary warning about that, I'm a bit surprised it has gone.

Cheers

Greg Locock


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