Beam Truss connection. CalculiX Guitub/issue/#164. Previous transform card solution.

Hi,

Regarding Issue #164 on the CalculiX GitHub repository, it seems that defining a prior *TRANSFORM card, aligned with the main axes and applied to the nodes subject to boundary constraints, solves the problem.

This approach was also used to resolve another issue: “Non-axis-aligned beam moment and constraint bugs again” #124.

I'm using last (Ccx v2.23\Compiled ccx_MKL.exe version)

*TRANSFORM,NSET=TRANSF_NODES,TYPE=R
-1,0,0,0,1,0

https://github.com/Dhondtguido/CalculiX/issues/164
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