Grasshopper

algorithmic modeling for Rhino

Information

Karamba3D

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: 1097
Latest Activity: on Wednesday

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This grasshopper discussion forum is no longer maintained - please post all questions on the McNeel Forum.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

record cross section changes 1 Reply

hello everyone !!am new using karamba and grasshopper ,currently i am working on a project of dome structure ,first i optimized my cross section and then i run galapagos with setting up minimum mass…Continue

Started by Safae Mammeri. Last reply by Karamba3D Jan 16.

unknown error 1 Reply

Do you have any idea what's wrong here? I just updated Karamba to the…Continue

Started by Chriszlf. Last reply by Karamba3D Jan 16.

Beam Loads, Cross section optimization

Hi, I have a small question, I'm trying to figure out why the component beam load creates no force reaction in the beam its applied to but in the rest of the structure it does. I hope someone can…Continue

Started by Merlin Dec 17, 2021.

Non-linear Large Deformation and Plate Support

Hello,I'm testing on a complex structure under a large load with will involve the AnalysisNonlin WIP.1. The doc here does not provide enough explanation for the different parameters. Is there…Continue

Started by X.Arthur.Ma Dec 1, 2021.

Comment Wall

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Comment by Karamba3D on May 2, 2019 at 3:05am

We are glad to be once again hosting a Karamba3D workshop in Vienna.

July 3-5 2018

Early bird rates until May 10.

Details can be found at https://karamba3d.com/workshops

Comment by Karamba3D on April 16, 2019 at 1:46pm

Hi Wilinton, could you please open a new discussion for the topic? There it would be easier to communicate.
You definition is quite large and complex. For debugging try the divide and conquer method: Split up the definition into meaningful parts and test the parts individually.

Best,

Clemens

Comment by Wilinton Felipe Colunche Núñez on April 14, 2019 at 10:20pm

Hi all. I am modeling a metal cover, but I have designed it separately (beams and belts separately); I've done that because I designed all the coverage together and then I designed it in the sap or etabs program and compared the results and they were very different (I did not have this design ordered, but I did it in a quick way to check, so I did not I upload said file). 

My question is how can I get equal results in both grasshopper (karamba) and in Sap or Etabs; what conditions should I take into account to model the entire coverage and what should be considered in the beam-belt nodes (intersection node)?.
IMetal%20Coverage.gh upload my file in grasshopper where I design beam and strap separately, but the visualization is of all coverage. I hope you can help me. Thank you.
 

Comment by Karamba3D on March 26, 2019 at 2:11pm

Hi Lu,

I will take a look at it. Best C.

Comment by jiaxing on March 23, 2019 at 12:58pm

dear Clemens and Robert, miss you two so much, It's me Lu

So further I go in Beijing with the ability taking your two great help  in Vienna

May I ask a little thing, the 4 BESO  in karamba rhino6 testExamble is not work, is there anyway to get those download to see how the example wors?

Comment by radhika agrawal on March 13, 2019 at 12:46am

Hello, 

I am working on branching column fabric formwork system and I have 2 doubts:

1) how can I take the kangaroo solid concrete element to karamba analysis for stress

2) how can I module the branching column line element path in karamba according to the given load

My aim is to optimise the fabric formed vertical system in-terms of reducing the stress and volume and form-finding of this system to the given load and support conditions  

Comment by Wilinton Felipe Colunche Núñez on February 6, 2019 at 9:00pm
Hi all Is it possible to create other cross sections? And if that is possible, how can I do that ?, some reference (book, chapter, ....) Thank you
Comment by Rafael Pastrana on December 14, 2018 at 1:23am

Could it be a render scale / visualization issue? @Arthur

Comment by Marco Pellegrino on December 12, 2018 at 12:47pm
Arthur. It shouldn’t have that big difference. Could you share your file? Have you check the global reaction ? Are they the same?
Comment by X.Arthur.Ma on December 12, 2018 at 10:22am

Hi,

I have a question on the shell analysis.

For shells, is the analysis mesh independent?

Same settings except for the mesh topology, but the result is so different.

 

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