Grasshopper

algorithmic modeling for Rhino

Hello, 
 
I am using the IndexToBeam component to generate the beam elements. 
The overall list of points is put in the assembly component. 
And from this list I use 4 indices to generate the supports (18, 11, 0, 17), also put in the assembly component. 
How can I know which value of the reaction forces correspond to which support? 
 
In the manual is stated that when the reaction force component is used, than the values are displayed in ascending sequence of the corresponding nodes.
So if I input the support nodes like this
point with index 18
point with index 11
point with index 0
point with index 17
are the reaction forces displayed like this (per loadcase)?
0 - reaction forces in point with index 0
1 - reaction forces in point with index 11
2 - reaction forces in point with index 18
3 - reaction forces in point with index 17
 
Thanks!
Best
Lara

Views: 403

Replies to This Discussion

But I think the section forces are displayed like grashopper usually handles lists - corresponding to each other. Meaning, if you disassemble the model after analysis and look at the 'Pt' output, the sequence of the nodes corresponds to the listing of sectional forces.

Same for the supports. The order in which they are plugged into the assembleModel-component, they will be put out by the reactionForce-component. You could also check this by viewing the reactionForces from the ModelView-component and then compare.

A good way to tackle those problems is to set up the simplest model to examine the issue exactly .. 

Hope this helps,

best

Robert

This helps a lot thanks!

Best

Lara

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