Grasshopper

algorithmic modeling for Rhino

Hello, everyone,

I'm using Karamba to construct a simplied model consisted of beams with infinite flexural stiffness. So, my question is: the "LineToElement" is Euler beam or Timoshenko beam? Is it capable of considering shear deformation of line elements?

Thank you

Xiao

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Replies to This Discussion

Hello Xiao,

the beam elements in Karamba3D are shear deformable according to the Timoshenko beam-theory.

Best,

Clemens

Hello, Clemens. Thank you so much for your reply. So if I want to consider a beam element with no shear deformation, I just need to set the "G" parameter in "Material Properties" components to infinite, right?

Hello Lucas,

in Karamba3D 1.3.0 you can set the transverse shear modulus G3 of a material to a large value (e.g. 1E10) in order to avoid shear deformations.

Alternatively set the shear areas Az and Ay of the beam cross section to a large value via the 'Modify Cross Section'-component. The 'Ay' and 'Az' inputs can be found in the sub-menu 'Deformation'.

Best,

Clemens

Hello Clemens,

Now I know how to do this. Thank you so much your help.

Best,
Xiao

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