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RivaRivo
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Joined: 15 Feb 2010
Posts: 21
Location: Indonesia

PostPosted: Fri May 09, 2014 5:12 pm    Post subject: Re: Solar Analysis is not accounted in Energy Simulation (AC Reply with quote

Gabor and Barry,

Thanks for looking this post.
I still used the build 5019, and I will follow Barry's suggestion to update. Thanks!
I will post the result on how it's going.
I saw Gabor's post works just fine on the West side opening.

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Riva Tomasowa
ArchiCAD 20 - INT EDU Build 4020
Windows 10 Intel NUC5i7RYH-5557U @3.10GHz 8Gb DDR3 RAM Intel Iris 6100
MacOS X Sierra MacBook Air 11" 1.4GHz dual-core i5 4Gb DDR3 RAM Intel HD Graphics 5000
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RivaRivo
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Joined: 15 Feb 2010
Posts: 21
Location: Indonesia

PostPosted: Sun May 11, 2014 6:06 am    Post subject: Re: Solar Analysis is not accounted in Energy Simulation (AC Reply with quote

Hi Everyone,

I updated my ArchiCAD 17 INT Edu to build 6004.
My result of the Solar Analysis didn't change.

I share my model here:
https://www.dropbox.com/sh/cxm7wxyxme92jbw/AAC6PW2RAwz2Otav3VirgbDIa

And these are my screen captures of solar analysis:
https://www.dropbox.com/sh/vui50ldfitpmafm/AAAGhN98KOO6MFYqo_hsGbiOa

This is even still happened with new file, new model which start from a scratch.
I'm using the Strusoft Server for climate data.



WD-001-0R.jpg
 Description:
Solar radiation still shown like this on the West opening.
 Filesize:  119.78 KB
 Viewed:  293 Time(s)

WD-001-0R.jpg



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Riva Tomasowa
ArchiCAD 20 - INT EDU Build 4020
Windows 10 Intel NUC5i7RYH-5557U @3.10GHz 8Gb DDR3 RAM Intel Iris 6100
MacOS X Sierra MacBook Air 11" 1.4GHz dual-core i5 4Gb DDR3 RAM Intel HD Graphics 5000


Last edited by RivaRivo on Sun May 11, 2014 6:16 am; edited 1 time in total
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RivaRivo
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Location: Indonesia

PostPosted: Sun May 11, 2014 6:10 am    Post subject: Re: Solar Analysis is not accounted in Energy Simulation (AC Reply with quote

Additional capture:

The radiation on the North Window (and many others) stops at 12 - 1pm.



WD-003-0R.jpg
 Description:
The Radiation stops at 12pm.
 Filesize:  151.47 KB
 Viewed:  255 Time(s)

WD-003-0R.jpg



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Riva Tomasowa
ArchiCAD 20 - INT EDU Build 4020
Windows 10 Intel NUC5i7RYH-5557U @3.10GHz 8Gb DDR3 RAM Intel Iris 6100
MacOS X Sierra MacBook Air 11" 1.4GHz dual-core i5 4Gb DDR3 RAM Intel HD Graphics 5000
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RivaRivo
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Joined: 15 Feb 2010
Posts: 21
Location: Indonesia

PostPosted: Sun May 11, 2014 6:15 am    Post subject: Re: Solar Analysis is not accounted in Energy Simulation (AC Reply with quote

Additional capture:

The sun shines on the North from rises to sets, but the radiation stops at noon.


*Excuse me for multiple posts, the forum didn't let me share multiple images.



WD-003-0S.jpg
 Description:
The sun shines over 12 pm.
 Filesize:  131.13 KB
 Viewed:  269 Time(s)

WD-003-0S.jpg



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Riva Tomasowa
ArchiCAD 20 - INT EDU Build 4020
Windows 10 Intel NUC5i7RYH-5557U @3.10GHz 8Gb DDR3 RAM Intel Iris 6100
MacOS X Sierra MacBook Air 11" 1.4GHz dual-core i5 4Gb DDR3 RAM Intel HD Graphics 5000
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laszlonagy
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Joined: 20 Oct 2003
Posts: 7909
Location: Budapest, Hungary

PostPosted: Wed May 14, 2014 9:57 pm    Post subject: Re: Solar Analysis is not accounted in Energy Simulation (AC Reply with quote

Quote from EcoDesigner Star User Manual:

Quote:
7.5.1 Climate Data Source
Choose an option for the source of the climate data to be used for EcoDesigner STAR.

• Download from StruSoft Climate Server: With this option, climate data are obtained from the StruSoft climate website, at http://climate.vipenergy.se.

All StruSoft climate data are created from NCEP Reanalysis data provided by the NOAA-CIRES Climate Diagnostics Center, Boulder, Colorado, USA, from their website at http://www.cdc.noaa.gov/.


Here comes the important part:

Quote:
• Use ASHRAE IWEC, TMY, WTEC2 file: Click Browse to select and import data from analytic weather files obtained from an external source (from open source e.g.
http://apps1.eere.energy.gov/buildings/energyplus/cfm/weather_data.cfm or purchased)

Note: Use analytic (“ideal year”) weather data whenever possible, as it usually represents a given location's climate better than climate data recorded in any particular year.


So you should be using analytical weather data (as recommended by Graphisoft) available from various sources (the above link is free, or open-source data) because that is the most accurate. As it seems the data you downloaded from the Strusoft Server is not accurate.

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Last edited by laszlonagy on Wed Jun 04, 2014 3:23 pm; edited 1 time in total
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Gabor Almasi
Graphisoft

Joined: 10 Jul 2012
Posts: 11
Location: Budapest

PostPosted: Wed May 21, 2014 9:08 am    Post subject: Re: Solar Analysis is not accounted in Energy Simulation (AC Reply with quote

Hi,

I could see that the weather data in that location provided by Strusoft is incorrect.
In general we recommend to use open source weather database e. g. http://apps1.eere.energy.gov/buildings/energyplus/weatherdata_about.cfm

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Gabor Almasi
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