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 20

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This grasshopper discussion forum is no longer maintained - please post all questions on the McNeel Forum.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

Comment

You need to be a member of Karamba3D to add comments!

Comment by Matthew Tam on December 25, 2017 at 5:09pm

Hi Niklas,

you have to make sure to split the lines into segments at their intersections otherwise Karamba will out put errors. Also make sure to flatten the input for the Elements in the Model-component. Please see the attachment.

MatthewTragwerk_MT.gh

Comment by Niklas Haschke on December 22, 2017 at 6:06am

Hey there

I am quite new to Karamba and would really need your help.
I am trying to analyze the structure for a new priject and I am struggeing with the supports (always the error: could not find node at ...)
Could someone have just a short look on that?


Thank you

Niklas

Tragwerk.3dm

Tragwerk.gh

Comment by Karamba3D on October 25, 2017 at 12:59pm

Hello Wanggian,

in order to make the warning disappear you could change the upper limit of the cross section height from 65cm to some larger value.

Best,

C.

Comment by Wangqian on October 25, 2017 at 1:16am

Hello, 

I am encountering a problem with the optimize cross section.

I just download example file from http://www.karamba3d.com/examples/hard/large-deformation-of-a-shell/, but there is an error when I open it, like"151 cross sections need to be bigger than their biggest family member", so what should i do to correct it?  .....I am new...

Thank you


Comment by Matthew Tam on May 8, 2017 at 12:43am

Hi Earth, if you wish to run multiple analyses automatically, you can look at either optimisation processes such as Galapagos or Octopus or you can simply use a Data Recorder to record your results.

Best,

Matthew

Comment by Earth on May 6, 2017 at 5:28pm

Hi all, is it possible to run 100 karamba analysis automatically using different values of variables? and record the results? Thank you.

Comment by Karamba3D on April 8, 2017 at 4:36am

Hi Martin,

you could use short connector beams with corresponding joint definitions at their ends.

Please open a new discussion if you want to discuss the matter further. The comment wall is not so well suited for that.

Best,

Clemens

Comment by Martin Engdahl on April 4, 2017 at 12:09pm

Hi!

I just downloaded Karamba trial about an hour ago, and I cant get going with my model. I have an interlocking structure (eggcrated, see picture: there is an error in that the long beams should rest on the arcs, not the other way around as it is now) that is to be glued together. How would I set up an analysis like this? 

Comment by Silvia Picone on February 16, 2017 at 8:56am

I going to have a look! thank you Marcio Sartorelli! I have added a new discussion for my problem as Clemens suggested! I will write you under my new discussion later

Comment by Márcio Sartorelli on February 15, 2017 at 12:09pm

Hello Silvia,

For deck weight you should model a mesh of it and add a Mesh Load component including the nodes you want to consider (See Karamba manual for details, also in the previous comments I helped ma qingsong with a similar problem).

For wind and wave analysis you should first check for the structure vibration modes (For wind the first frequency should be >1.5Hz, i'm not sure what frequency band you need for waves). Grater stiffness and less mass helps to increase the frequencies. Once you achieved those results you can make a statical analysis considering these loads, again i'm not sure what to do for wave loads, but for wind I normally use the method used in this video: https://www.youtube.com/watch?v=-t3yE1xxMUo (it's a very simplified method, but do it's job).

I can take look on your GH definition tomorrow.

 

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