Grasshopper

algorithmic modeling for Rhino

Prestressed hyperstatic 2D frame

Dear all

I modeled a simple hyperstatic frame :

I added a pretension load in the 2 lateral ties (maintained at the bottom). The pretension load induces a deformation but no force/moment seems to be computed.

Strange thing is, using the Optimize Cross Section algorithm with the pretension load alone, something is calculated, the section gets bigger as the pretension load increases.

If someone has an idea..

Thx !

JB

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Permalink Reply by Karamba3D on October 15, 2015 at 11:29am

Dear JB LG,

if placed upstream of the ModelView-component the BeamView-component displays the cross section forces of load-case zero by default. Put 'ModelView' infront of 'BeamView' and it works as expected (see attached file).

Best,

Clemens

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Permalink Reply by JB LG on October 15, 2015 at 1:23pm

Thx Clemens

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