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Second moment of area for torsion calculation

BeitragVerfasst:Mi 29. Jul 2015, 15:37
von MMathot
Hey all,

First of all: Thanks a lot to the developers for providing a very very useful open source FEM solver!
Currently I am trying to automatically generate Z88OS input files from parametric designs in Grasshopper. When defining the elemental parameters required for z88elp.txt, the second moment of intertia for torsion It and the second modulus for torsion Wt need to be defined. If I am not mistaken this is a task generally performed by a separate finite element integration method.
Z88Aurora provides a means to calculate It and Wt based on some dimensions of the cross-section (for circular, tubular, rectangular, square and I-profile shaped cross-sections), but I have not been able to find a way to externally approach this feature. Is there any way to do this? Or can I perhaps find the source code for this calculation method somewhere?
Any input would be much appreciated. Thanks in advance!