Karamba3D

Information

Karamba3D is a parametric structural engineering tool which provides accurate analysis of spatial trusses, frames and shells.

Current Version: 1.3.2 (July 9 2019)

Website: http://www.karamba3d.com
Location: Vienna
Members: 1115
Latest Activity: Mar 30

Karamba3D is an interactive, parametric finite element program. It lets you analyze the response of 3-dimensional beam and shell structures under arbitrary loads.

Karamba3D is being developed by Clemens Preisinger in cooperation with Bollinger und Grohmann ZTGmbH in Vienna.

Download a free trial now! Licenses for educational or commercial purposes can be purchased at www.karamba3d.com/buy.

downloads, manual:

https://manual.karamba3d.com/ or

www.food4rhino.com/app/karamba3d

examples (for Karamba3D 1.3.2):

www.karamba3d.com/examples/

release notes:
www.grasshopper3d.com/group/karamba3d/page/new-features-and-bug-fixes

scripting guide & examples:

https://www.karamba3d.com/download/#manual

repository with unit tests:

https://github.com/karamba3d/K3D_tests

Here a beam structure based on stream-lines with bending moments:

More details, manual, examples and download ....

This grasshopper discussion forum is no longer maintained - please post all questions on the McNeel Forum. Thank you

Discussion Forum

How to make a program and analysis? 7 Replies

Hello:I want to know how to make a program and analysis the structure of shell waffle welding with the steel plate.I want to create the load for the steel plate(6 mm thickness) welding with the steel…Continue

Tags: Karamba

Started by ma qingsong. Last reply by Terry Austin Mar 20.

How to define 3D Objects in Karamba 6 Replies

Hello. I have a problem in defining 3D Objects in Karamba. What I am trying to do, is that I have 3D scanned a few Irregular stones. So I have their 3D meshes in grasshopper. Then I am trying to…Continue

Tags: #irregular_object, #stones, #structural_analysis, #Karamba3D

Started by Amir Arsalan Tahouni. Last reply by Hison Feb 28.

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Comment Wall

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Comment by jiaxing on March 17, 2020 at 10:19am: hi, clements, i read karamba manual again, during that, the eigenmode and eigenvalues still troubles me to understand, it seems to test vabration and get eigenvalues by eigenmode.

what is the funcion of eigenmode, and what does the eigenvalue mean?

stability? do the eigenvalues has standard to show whether it is safe or not?

sorry, it seems a basic structure knowledges,

Comment by riccardo foschi on February 11, 2020 at 2:39am: right sorry for that, and thanks

Comment by Karamba3D on February 11, 2020 at 2:03am: Hi, I am moving all discussion to the user problems page as the parallel discussion is cumbersome. https://www.grasshopper3d.com/group/karamba3d/forum/topics/karamba-...

Comment by riccardo foschi on February 11, 2020 at 1:35am: It turns orange because I set one point as support two times (it's part of two groups of points one group fixes the Z movement the other one fixes every movement), but it shouldn't be a problem right? at least the dialog box says so.

Anyway the problem is similar if I decimate the mesh, I think it might be a problem of how do karamba calculate the thickness of the structure, in fusion I modelled the thickness myself in Karamba I didn't maybe it's that? however I think in fusion when he calculate the mesh he also adds inside edges to keep the two layers together when deforming, in karamba I don't think it does it am I wrong?

Comment by Karamba3D on February 11, 2020 at 1:27am: Hi Riccardo, there seems to be an issue with you definition as it turns orange. Also, may it be that your mesh is too coarse?

Comment by riccardo foschi on February 10, 2020 at 10:12am: Another question: I'm trying to reproduce the behaviour of these two structures that I observed in fusion 360 only using Karamba.

As you can see from the images the structure on the left have much less deformation, in Karamba they are almost the same what is happening here? The KAramba code is so much different from the fusion 360 one?

Comment by Karamba3D on January 7, 2020 at 1:28am: Dear xiufeng li, when internalizing structural objects in one version of Karamba3D it is sadly not possible to guarantee that they can be deserialized with another version of Karamba3D. I think this is what causes the problem here.

Best,

Clemens

Comment by xiufeng li on January 4, 2020 at 12:49pm: whats wrong with it

Comment by Karamba3D on August 20, 2019 at 12:04am: Hi Xavier,

you need to update your Rhino to the latest release in order to run Karamba. The latest Karamba release can also be found on our website.

Comment by Xavier Ramirez on August 19, 2019 at 2:39pm: I am getting an error when trying to open a grasshopper file with kangaroo and karamba components. I am new to both grasshopper and karamba and was wondering how to better understand the error message and where I can download or access the correct plugins.

So far I am not able to find the versions of the plugins mentioned in either of the error boxes.

Thank you!

Grasshopper loading errors listed below

Object: MeshMachineComponent3 (level 1)
{
Exception has been thrown by the target of an invocation.
TargetInvocationException
}

Object: MeshMachineComponent3 (level 2)
{
Could not load file or assembly 'Plankton, Version=0.3.0.0, Culture=neutral, PublicKeyToken=null' or one of its dependencies. The system cannot find the file specified.
FileNotFoundException
}

Object: KangarooA (level 1)
{
Exception has been thrown by the target of an invocation.
TargetInvocationException
}

Object: KangarooA (level 2)
{
Could not load file or assembly 'KangarooLib, Version=0.0.9.9, Culture=neutral, PublicKeyToken=null' or one of its dependencies. The system cannot find the file specified.
FileNotFoundException
}

Object: KangarooZombie (level 1)
{
Exception has been thrown by the target of an invocation.
TargetInvocationException
}

Object: KangarooZombie (level 2)
{
Could not load file or assembly 'KangarooLib, Version=0.0.9.9, Culture=neutral, PublicKeyToken=null' or one of its dependencies. The system cannot find the file specified.
FileNotFoundException
}