Grasshopper

algorithmic modeling for Rhino

Information

Pachyderm Acoustic

Pachyderm is a plugin largely used by Designers and Scientists alike to simulate acoustics in buildings, rooms, cities, and other settings.

Website: http://www.orase.org
Location: Earth
Members: 175
Latest Activity: Jan 24

Hello Pachyderm Users,
We are going through an exciting period, including the startup of an organization to support the growth of Pachyderm, and extend the educational agenda of the project. In the next few weeks, we will be submitting our long-form 501(c)3 application, which will give us the rights of a not-for-profit organization established in the state of Connecticut. As part of the transition, we are phasing out the old website. The new site will be up in the next few weeks, and you can find it at:
 
 
We are looking forward to the next phase of this project, and we hope that you will be there with us to learn and continue to support us!
 
kind regards,
 
Arthur van der Harten
Executive Director
Open Research in Acoustical Science and Education
ORASE

Discussion Forum

Use pachyderm for street noise analysis and optimization of planning and building geometry solutions? 6 Replies

Hi - Is Pachyderm only for interior acoustic analysis or can I use it to test impacts of street noise? I am trying to position and shape 3 story residential buildings, with possible insertion of…Continue

Started by Matt Winkelstein. Last reply by Ira Yap Jan 24.

Restaurant acoustic 2 Replies

Does anybody have experience with restaurant acoustics in terms of the "Acoustic capacity" described in the paper of J. H. Rindel?…Continue

Started by rpict. Last reply by rpict Jan 18.

Very cool, but Error "Index was outside the bounds of the array." 4 Replies

Hi, I am intrigued by Pachyderm. Thanks for creating and sharing it. Oddly, I am experimenting with not a room but a portable semi-transmission-line speaker enclosure. I want to see what's going on…Continue

Started by Brenda EM. Last reply by Arthur van der Harten Dec 1, 2022.

Chrash for getting the simulation mapping method 4 Replies

Hello to every one.I am getting a simulation of a residential complex in pachyderm. I need to say that I have tried a lot to model the project clear. because due to I was working with rhino 6 till…Continue

Tags: crash, software, and, system

Started by Alireza Mohammadi. Last reply by Alireza Mohammadi Nov 3, 2022.

Comment Wall

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Comment by Vincent Dissaux on January 16, 2022 at 4:18am

Hi All, I'm trying to follow a youtube tutorial about acoustic simulation using Grasshopper and pachyderm ( this one https://www.youtube.com/watch?v=t9t5jnw6XTk&t=17s ). As you can see at 25:00 of the tutorials every particle disappears, mine stay stuck on the last wall they hit.. If one of you guys has any advice about that I thank you in advance. 

Comment by Ishita Sahai on October 1, 2021 at 11:54pm
Hi, what all components of sound can be calculated in pachyderm? how can we calculate noise absorption?
Comment by Arthur van der Harten on August 15, 2021 at 9:42pm

Hi Harsh,

I think it depends on what you are doing. There are some systems that calculate the absorption coefficient of some commonly used systems in the absorption designer, such as a grid of perforations.

If you need something more bespoke than that, Pachyderm may not be the right tool at this time.

Arthur

Comment by HarshS on June 24, 2021 at 5:37am

Hello,
Is it possible to simulate and study resonance based phenomena such as Helmholtz resonator or Passive Destructive Interference in Pachyderm; and get the Absorption Coefficient across the frequency band?

Comment by Ander Perez on May 10, 2021 at 2:00am

Hello,

 

I am trying to do some mapping calculations, but every time I start a calculatoin (Settings: Specific Ray Count, default settings), receiver displacement: Audience) Rhino crushes.

 

I've tried this in Rhino 6 and Rhino 7, but it keeps crushing. Is there something I am missing? Thanks for your help!

Comment by Arthur van der Harten on April 15, 2021 at 9:40pm

Hi Konsta,

I think I need more information. Would you mind emailing me a detailed explanation of the issue you are dealing with?

Info@orase.org

Thanks,

Arthur

Comment by Konsta on February 10, 2021 at 1:01am
Hi everyone!
I have installed Pachyderm on Rhino 6 but it cannot calculate anything. Could be that there is no option to assign a material under materials tab. Any thoughts?
Comment by Behdad on December 15, 2020 at 10:15am
Hello Everyone, I have installed Pachyderm. But when I open the folder of the program in "Program Files", the Rhino Plug-in file does not exist. I have tried to rerun the installation and chose the repair option but it did not solve the problem. Has anyone had this problem before?
Comment by idspaceman on October 1, 2020 at 10:58am

Hi, unfortunately none of the two links to the website work. Both links are broken or lead me to a page with a password protection. 

Comment by Arthur van der Harten on September 4, 2020 at 11:56am

Hi Sebastian,

If your model is very complicated, this may be the reason. Occasionally, Rhino encounters a piece of geometry that can't generate a mesh, and then it fails pachyderm. I've tried to catch some of these cases, but some still elude us.

I can help you troubleshoot the model if you like. Can you send me the file to info@orase.org?

Arthur

 

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