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  3. Is it possible to create a hydraulic connection (push/pull...

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Is it possible to create a hydraulic connection (push/pull only) in A/Car?

Woz
Woz over 7 years ago
I've slowly been getting to grips with A/Car and I'm now at the point where I'm starting to build my own templates, I've followed the tutorial and all went well and it gave me a better understanding of how Adams ties elements together.
 
Now to the question. I want to add a pair of Hydraulic connections to a double A-Arm suspension that will make the system dependent. The question is: Can this be done in A/Car?
 
I have created a 2D system in CAD (Catia) to prove the concept and simulated the hydraulic connection by setting up a parameter that is governed by a constant. So hyd_ram_left_lower + hyd_ram_right_upper = const. The constant would change every time a hardpoint is moved, but Adams seems much better equipped to deal with this.
 
The system I'm trying to model is 'kinematically cross-linked suspension' which has been modelled in Adams (I think A/Car), but not with hydraulic actuation?
 
Thoughts/advice appreciated.
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  • MK202610123211
    0 MK202610123211 over 7 years ago
    Try to simplify it to a sufficient level.
    The usual approach is to say the hydraulic force is a line in sight force between two markers in ADAMS (aks SFORCE).
    Those markers are located on two different parts (like rod-end and tube-end of a hydraulic actuator). Then you connect them to your suspension with appropriate connectors (bushings, joints).
     
    The formula to enter in the SFORCE contains the knowledge about your hydraulics.
    In the simplest form it's a force = pressure x area, but you can add as much complexity as you need.
    If you have existing models in third party tools like Amesim, DSHPlus or Matlab, you can try a co-simulation.
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  • MK202610123211
    0 MK202610123211 over 7 years ago
    Try to simplify it to a sufficient level.
    The usual approach is to say the hydraulic force is a line in sight force between two markers in ADAMS (aks SFORCE).
    Those markers are located on two different parts (like rod-end and tube-end of a hydraulic actuator). Then you connect them to your suspension with appropriate connectors (bushings, joints).
     
    The formula to enter in the SFORCE contains the knowledge about your hydraulics.
    In the simplest form it's a force = pressure x area, but you can add as much complexity as you need.
    If you have existing models in third party tools like Amesim, DSHPlus or Matlab, you can try a co-simulation.
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    • Vote Up 0 Vote Down
    • Sign in to reply
    • Verify Answer
    • Cancel
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