How to model belt/pulley system with 2 belts?

Brian_20847
Brian_20847 Altair Community Member
edited January 8 in Community Q&A

Hi everyone,

How to model a belt/pulley system with 2 belts? How to model belt tension in this system?

image

Answers

  • Praful
    Praful
    Altair Employee
    edited December 2023

    Hello Brian -

    Create a reference marker in the plane of the belt pulley system such that the pulleys lie on the X,Z plane.

    Create the belt pulley system using the marker as Reference marker and the X and Z coordinates for the pulley based on the reference marker frame.

    Repeat the above steps for the 2nd pulley, but the marker is at the plane of the 2nd pulley.

    You may fix the pulleys with a fixed joint separately.

    Note that this method works for the the Discritized rigid bodies belt. It may not work for NLFE belt unless the plane of marker matches with the Global Frame orientation. That's a general limitation of NLFE belt system and nothing to do with multiple belt-pulleys.

    hope this helps.

    Praful

  • Brian_20847
    Brian_20847 Altair Community Member
    edited January 8

    Hello Brian -

    Create a reference marker in the plane of the belt pulley system such that the pulleys lie on the X,Z plane.

    Create the belt pulley system using the marker as Reference marker and the X and Z coordinates for the pulley based on the reference marker frame.

    Repeat the above steps for the 2nd pulley, but the marker is at the plane of the 2nd pulley.

    You may fix the pulleys with a fixed joint separately.

    Note that this method works for the the Discritized rigid bodies belt. It may not work for NLFE belt unless the plane of marker matches with the Global Frame orientation. That's a general limitation of NLFE belt system and nothing to do with multiple belt-pulleys.

    hope this helps.

    Praful

    Hi @Praful Prabhu,

    Thanks for your answer.

    We have many types of belts (ladder belt, flat belt...). How to model each type?

    Thanks