Pachyderm Acoustic

Information

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: 193
Latest Activity: on Sunday

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:

www.orase.org

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

Started by valentina. Last reply by valentina Jun 20.

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Comment by Arthur van der Harten on May 17, 2017 at 8:09pm: Hi Daniele,

That sounds like you are either using a very old version, or libraries are blocked.

First make sure you have the latest:

https://www.dropbox.com/s/ljaz5ky9qc0659p/Pachyderm2.0RC_13f_Instal...

Let me know if this solves your issue.

Arthur

Comment by Daniele Rizza on May 17, 2017 at 4:50pm: Hi Arthur,

I'm working on a model of multifunctional room but I have a problem with Pachyderm.

I have modelling the room and assign the acoustical proprieties of the materials in "Pachyderm Hybrid Models" but when i try to start the "calculation solution" Pachyderm stop working and Rhinoceros shuts off.
Can you help me please?

Daniele

Comment by Yasser Hafizs on April 17, 2017 at 10:47pm: Hi Arthur,

Could I get the example file for Pachyderm? Because your website is down and the dropbox link is dead. Thanks before

Comment by Arthur van der Harten on February 21, 2017 at 6:43am: Hi Antonio,
Try the Pachyderm_Mapping command. If you execute the stimulation in there, you can get an area map of the parameters.

The grasshopper component communicates with the Rhinoceros plugin. You did have received an example file with the grasshopper component.

Arthur

Comment by Antonio Treglia on February 21, 2017 at 6:35am: Hi Arthur,

I'm still working on the model of the stadium, with acceptable results. I would like to know if with Pachyderm I can get graphs of the analyzed parameters (T30, EDT, SPL...) or I can see just the energy/pressure curves and the values of the other parameters.

Then, Pachyderm for GH is linked to the Rhino analysis? Or are they indipendent? I don't understand how to use the plug-in in Grasshopper...
Thanks for the availability.

Antonio

Comment by Antonio Treglia on January 16, 2017 at 7:11am: I'm using the 64-bit Rhino in Windows, and I have 16Gb RAM, I don't think that is the problem. I noticed that the crash comes when starts "calculating image set..".

I'll try to install again pachyderm and also Rhinoceros if it's necessary.

Comment by Arthur van der Harten on January 16, 2017 at 5:38am: My colleages at the office and I use the plugin often. It shouldn't be unstable. The only times I encounter this with users is generally if they are running in Parallels on a Mac, and that is a Rhino issue. Another possibility is that you don't have enough RAM to do what you want to do, or you are running in 32 bit, in which case the RAM you can use is limited (try again in 64-bit Rhino). If that is not the case, here are a few things to try:

1. check that none of the libraries are blocked. (right click all files in the installation and go to properrties, and if there is an unblock button in propertites, click it and apply.)

2. delete the .pset file in the pachyderm directory. (Pachyderm will make a new one).

3. Delete your Pachyderm directlory, and install again from the RC12 archive I provided earlier.

As for the blank receivers dropdown, I had forgotten about that issue. Just click in the white space of the dropdown and type the number of the receiver you want, and press tab. Then uncheck and check a source. That should work as a temporary workaround. (don't put in a number that does not match a receiver in the model, or it will crash). This will be fixed in a later version.

Comment by Antonio Treglia on January 16, 2017 at 3:16am: Sometimes it works, even if it's very ustable, but when I go to "Analysis" tab I receive this message: "Index is outside the matrix" and I can't see anything. Then, when I select a parameter (for example T-30, the software continues to crash).

Comment by Antonio Treglia on January 16, 2017 at 2:50am: Hi,

I followed the instructions on the site, I assigned the material (using one of the default materials) and I use 200000 rays for the simulation, but when I launched it, Rhinoceros crashed.

I tried to change the number of rays, the materials and other parameters, but the result is the same, the software crashes every time. What do you think is the problem?

Comment by Arthur van der Harten on January 12, 2017 at 6:23pm: Hi Antonio,

You do not need a closed box around the structure, though you will probably need a very high number of rays to get a good result from the model.

It might make sense for you to use the Rhinoceros interrface before you use the Grasshopper interface. (type Pachyderm_Acoustic in the command prompt to get started. Follow the instructions on the Pachyderm website)

There is an example in the Pachyderm RC12 archive:

https://dl.dropboxusercontent.com/u/21521713/Pachyderm2.0.0.1%20RC1...

Again, the Rhino and Grasshopper plugins talk to eachother, so you should have them both loaded, and you should have the Rhino model open before opening the grasshopper model.

--Arthhur