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: 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This grasshopper discussion forum is no longer maintained - please post all questions on the McNeel Forum.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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In our sonic odyssey, selecting the right audio system becomes paramount. It's not merely about amplifying sound; it's about curating an environment where every note, every chord, and every beat…Continue

Started by Alice Billson Feb 27.

Comparing Shaving Products Across the Market: Finding Your Fit

In the vast landscape of shaving products available today, finding the perfect fit can feel like navigating a maze. From sleek razors to luxurious creams, the choices are endless. However, amidst…Continue

Started by Alice Billson Feb 27.

Comment Wall

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Comment by Jhoseph =) on June 14, 2018 at 11:43am

Hello Karamba team!!!

How could I perform the following load combinations in karamba?

Thank you! 

Comment by Karamba3D on June 3, 2018 at 11:51pm

Dear Leonie,

the problem in your definition with multiple voxels is, that you provide one mapping only. This means that all upper and lower voxel boundaries are handled like one upper or lower girder of a truss. Due to this there are voxels with no connections at all (see attached definition 180531_stitchedsystem_multipleVoxels_LE_CP.gh) which cause rigid body modes. In order to solve the problem reduce its complexity and start with two voxels only.

Please open a new discussion on the subject since it is easier to follow and find for others as compared to a comment on the comment wall.

Best,

Clemens

Comment by Leonie Eitzenberger on May 31, 2018 at 1:29am

Dear Karamba Team, 

I have a question concerning a Problem in my studies with Karamba.

I have a "voxel system" (Bounding boxes for a later on Geometry)(01_Image). I took the upper and lower edge curves from the the boxes to apply in between some optimized diagonals(optimization of the position of the points on the lines) for that I am using the Idea of Element Felting and the mapper component(+ the different stich possibilities). For one Box(02_Image) it works totally fine but by applying it on all my voxels it does not work how I imagine. So the aim for me is that every box has its own diagonals. Concerning the set up I just set up a fast Karamba model the supports and the loads will be than later on in a more detailed way defined. 

Could someone help me applying the system on all voxels ?

Thank you!

All the Best,

Leonie 

I uploaded two scripts the one for one voxel where the system works and the "multiple Voxels" scripts where it doesnt work.

The Images should show the one voxel and the Idea and the other image the basic voxel massing.

180531_stitchedsystem_multipleVoxels_LE.gh

180531_stitchedsystem_onetestobject.gh

Comment by Ollé Gellért on May 21, 2018 at 6:03am

Thank you very much Matt! This solution is working. You saved my life! ;)

Comment by Matthew Tam on May 21, 2018 at 4:43am

Hi Ollé,

you can use the DiassembleModel and then the DisassembleBeam to extract the cross section sizes of the beams and you can create the meshes in Grasshopper for printing.

Matthew

Comment by Ollé Gellért on May 19, 2018 at 9:53am

Hello Karamba,

I have a question about how I could create a printable model from cross setion optimized structure? I have optimized beams but those are tubes not solid meshes. 

I have an idea how I can get some closed meshes. If I can get somehow the cross section radius data from the algorithm I could generate meshes with cocoon component. Which is the easyest way to get a printable model?

Thank you! 

Comment by Jhoseph =) on May 11, 2018 at 1:08am

Is it correct to place the 2 assamblies: karamba.gha and karamba.dll ?, I added the 2, I read in the manual that karamba.gha should be added, maybe that is why the example of the component "TenComElim" does not work. I just reinstalled Karamba and those 2 assamblies keep appearing. Why does the "TenComElim" component not work? It does not recognize the code Karamba.Models.Model model = (Karamba.Models.Model) inModel; does not recognize the classes !!!

Comment by Matthew Tam on May 11, 2018 at 12:29am

Hi Jhoseph,

why do you need to remove the Assemblies? Can you simply uninstall Karamba and reinstall it so that all the files are replaced?

Comment by Jhoseph =) on May 10, 2018 at 3:31pm

hello, Karamba, i am learning karamba, and I need to remove assemblies, I added the karamba.dll and karamba.gha files, but I think that only the karamba.gha file was necessary, how can I delete those assemblies? . I also have another problem because of the aforementioned and that is not open the example 'TenComElim', the script turns red and does not work, does not recognize the following code: Karamba.Models.Model model = (Karamba.Models.Model) inModel;
Add the karamba.gha file that is also in the example but it does not help much, that is why I want to eliminate the assemblies and replace the necessary ones.

I have Karamba 1.3 and Rhinoceros 6

Comment by Karamba3D on April 26, 2018 at 12:46pm

Dear Takuma Kawakami,

could you please open a new discussion on the issue below? The comment wall is not a good place for technical questions, since discussions here are hard to follow and hard to find by others.

Best,

Clemens

 

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