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Problem with Template and Contacts

User: "Altair Forum User"
Altair Employee
Updated by Altair Forum User

Hi,

 

I´m using MotionView for my bachelorthesis to create the simulation of a two-wheeled vehicle.

 

I´m trying to get a sequential simulation going. But if I run the simulation I get some errors.

 

The cirtical template expressions are:

 

[....]

/>
<Deactivate
element_type = 'Joint'
element_id = '{the_model.j_stabil_kurve.idstring}'
/>
<Activate
element_type = 'Joint'
element_id = '{the_model.j_stabil_2.idstring}'
/>

[...]

 

 

 

'j_stabil_kurve' is a Perpendicular Axes Joint

'j_stabil_2' is a Parallel Axes Joint

 

The error i get:

 

[...]

 

 Deactivate Joint/301006
WARNING: Element Joint/301006 not found!
         DEACTIVATE command ignored.
 Activate Joint/301005
WARNING: Element Joint/301005 not found!
         ACTIVATE command ignored.

 

[...]

 

I already checked the id´s 301006 and 301005. These are the correct id´s for these joints. And if I look at the simulation both Joints are used but they are not getting deactivated/activated through the sequential simulation.

 

The second Problem I´m facing is with some contacts. I build the course the two-wheeled vehicle should drive on with HyperMesh and use Poisson Contacts with Coulomb Friction On. To this point everything works fine. But when I extend the first course in HyperMesh and replace the old Graphic in MotionView with the larger course alle contacts are ignored and the vehicle just falls through the course.

The new graphic is assigned to the same body as the old one an the contact connectivitys are updated to the new graphic, too.

 

I´m would be really happy if someone knows some solutions for these problems.

 

Sorry for the bad english and thanks to everyone replying!!!!

 

 

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