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How to connect a Truss to the Lumped Mechanical System (LMS) physics in COMSOL?

Posted 2025/05/04 18:11 GMT-4 Structural Mechanics, Physics Interfaces, Structural Dynamics Version 6.3 1 Reply

Aida Bouaziz
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Hello,

I am working on a COMSOL model where I want to connect a Truss structure to a Lumped Mechanical System (LMS) physics, as shown in the attached figure. I am unsure of the proper method to link the truss element with the LMS domain.

What is the correct way to couple the Truss to LMS in COMSOL? Should I use Multiphysics couplings, boundary conditions, or some other approach?

Any guidance or example would be greatly appreciated.

Thank you!

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1 Reply Last Post 2025/05/09 0:49 GMT-4
Soumya S S COMSOL Employee

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Posted: 6 months ago 2025/05/09 0:49 GMT-4

Hi Aida,

You can use the Lumped–Structure Connection multiphysics coupling to connect the interfaces.

Regards, Soumya

Hi Aida, You can use the **Lumped–Structure Connection** multiphysics coupling to connect the interfaces. Regards, Soumya

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