Hi Alstan,

I try to simulate a perforated metal mesh as it is explained in the post below: http://diva4rhino.com/forum/topics/metal-mesh

I created this materials in material.rad file:

# Void glass open
void glass open
0
0
3 1.0 1.0 1.0

# void plastic_bluegreen
void plastic plastic_bluegreen
0
0
5 0.000 0.723 0.666 0 0

# void mixfunc 1
void mixfunc perforated_s05_r25
6 plastic_bluegreen open uv_hole perforate.cal -s .05
0
1 0.25

# void mixfunc 2
void mixfunc perforated_s5_r4
6 plastic_bluegreen open uv_hole perforate.cal -s .5
0
1 0.4

# void mixfunc 3
void mixfunc perforated_s1_r4
6 plastic_bluegreen open uv_hole perforate.cal -s .1
0
1 0.4

# void mixfunc 4
void mixfunc perforated_s05_r4
6 plastic_bluegreen open uv_hole perforate.cal -s .5
0
1 0.4

When I do the Radiance simulate, I have this error:

I observe in the error, that the problem is in the perforate.cal file, line 23: 

Could you help me to solve this issue ?

Also I would like to know:

-  1. How can I simulate the perforated metal mesh on The annual daylight calculations   (sDA, ASE, UDI and  Daylight Availability) with Diva for Rhino?

-  2. Can I simulate the perforated metal mesh with Diva for Grasshopper?

Hope you can give me some advice.

Thank you in advance!

Tags: Daylighting Analisys, Solar protection, materials.rad, perforated metal mesh, perfotare.cal

Views: 180

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Hi Isaac,

I can't tell without seeing the perforate.cal file on your computer, but it looks like opening and (potentially) saving it in Excel may have added some quote characters that should not be there.See the screenshot of the file below from a text editor.

To answer your 1 and 2, the perforated mesh material should work with both annual calculations using Daysim and can be used within DIVA-Grasshopper.

Best,

Alstan

Hi Alstan,

Thanks for the reply.

I see the same characters in my perforate.cal.

I link my perforate.cal and material.rad files.

What other thing Can I do?

Thank you in advance!

Attachments:

Hi Isaac,

You need to re-download the perforate.cal file and not open it in Excel, would be my guess. The quotation characters are ruining the formatting of the file for you.

Best,
Alstan

Thank you very much Alstan!

This was the problem!

I share my first perforated mesh simulation ;)

Best regards,

Isaac Martínez

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