Aluminium Ventilation Panel with Grasshopper

This is one component from a 4m*2m aluminium ventilation panel which will be part of 80 panels mounted on a University building façade in Hastings, U.K. All the panels will have a 40% opening ratio using circles with three different radii.
Link to Video: http://vimeo.com/16060472
Work done at Proctor and Matthews Architect:
http://www.proctorandmatthews.com/welcome

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Comment by adrian kumar on February 26, 2011 at 5:41am: cheers arthur,

this project is consultant work for jasmax in new zealand

here's an image of the gradient as well as a bit of the spaghetti - still working away at it

Comment by Arthur Mamou-Mani on February 24, 2011 at 5:04am: Hi Adrian,

The mathematical gradient sounds very interesting, could you post some images?

May I ask which practice you work for if you do ?

I've just been dealing with the bracket holding the panels.

Can't wait to see them too :)

Comment by adrian kumar on February 23, 2011 at 7:22pm: hi arthur, thanks for the reply

one of the faces of our panels is based on an image where i've been using the image sampler component.

the panel other i'm working on deals with a gradient mathematically - simpler, with more holes to less.

The panels require about 15% area for ventilation, at around 15mm diameter. In articulating the sizes, i've recently added a slider which allows for radius changes with adaptive hole types - though the manufacturers tolerance is so broad i' wondering if i can achieve such accuracy with the holes of this size.

looking forward to seeing the remainder of your panels!

Comment by Arthur Mamou-Mani on February 20, 2011 at 5:32am: Thanks Adrian,

Since the opening ratio always had to be 40% I was limited in the amount of small, large or medium holes to get:

If the image had a lot of "black" areas or was very contrasted then there would be no middle sized hole and the image would loose in clarity. I often had to make specific elements in the image darker in photoshop to make them stand out. In other words I had to be selective with what to show or not. When the image had little information on it, i had no problem creating a clear pattern.

I believe using two hole sizes only would be much cheaper as it uses less machine time but it would also reduce the clarity of most images. Are you also showing images through your panels ?

I will be visiting the factory I hope I will be able to film the process and keep you posted:)

Cheers

Comment by adrian kumar on February 19, 2011 at 7:44pm: impressive use of galapagos! I'm working on a similar aluminium panels myself for a facade - but with holes of one size. how did this process effect the number of larger holes in comparison to small ones? was it cheaper punch create large or small holes?

cheers