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📝 Description
In this PR I am adding 2D and 3D Total Lagrangian truss elements based on the formulation shown in Belytschko et al. This is a straigth forward TL approach which simplifies a lot the previous finite displacement trusses.

The idea is to remove in the future the "old" trusses.

A test will be added before merging. The case in the video does NOT run with the current truss (IDK why)

@RiccardoRossi @rickyaristio @sunethwarna

trss.mp4

@AlejandroCornejo AlejandroCornejo requested a review from a team as a code owner January 7, 2026 14:37
@loumalouomega
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@RiccardoRossi @rickyaristio @sunethwarna
trss.mp4

OH NO, DETERMISTIC CHAOS!!!!!!!!!!!!!!!!!!!!!!

const auto& r_integration_points = IntegrationPoints(GetIntegrationMethod());

ConstitutiveLaw::Parameters cl_values(r_geometry, r_props, rProcessInfo);
auto &r_cl_options = cl_values.GetOptions();
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OMG, you are mixing citeria for the position of &. This is ot pleasing for my brain.

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3 participants