ke knowing Chinese but no vocabulary, hence, it's quite hardcore to communicate with Grasshopper.
Thanks in advance, hoping such a thing exist =3
PS : A reference is like that http://www.cplusplus.com/reference/
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t have a difference of about 30%. While on the upper extreme, the difference is only about 8%. It looks to me ecotect is more conservative on average and ladybug is picking up more values on the lower extreme... way more.
Please be aware that I am running the ecotect radiation simulation using the "fast calculation" option. I am going to re-run without that checkmark and share results. But so far it takes very long time(many, many hours). I don't know if I have the patience.
So, I don't know what to do now.
Cheers,
Ilya…
eBoolean operation, but I can't seem to find it anymore.
Another example of misleading icon is the Curve-Curve intersection component.
It will only perform intersection of two curves, but the icon shows three curves.
Cheers,
--
Olivier…
run a single component per time? After running of which component, does Grasshopper get stuck?You might have to wait more than 30 minutes. Maybe you can leave your PC turned on during the night, and see what will happen in the morning?3) What are your latitude_ and longitude_ inputs coordinates?…
Added by djordje to Gismo at 10:42am on February 6, 2017
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er ein grafischer Algorithmeneditor, der vollständig in Rhinos 3D-Modellierungswerkzeuge integriert ist. Im Gegensatz zu RhinoScript erfordert Grasshopper keine Programmier- oder Scripting-Kenntnisse, erlaubt aber trotzdem den Designern, von den einfachsten bis zu den beeindruckendsten Formengeneratoren zu erzeugen.…
points) ... thus creating "bulges" on a per stripe basis.
2. Imagine a slider that allows you to access some stripe and another slider that controls some attractor "along" the stripe "main axis" that modifies accordingly the nurbs (stripe) control points in push/pull mode ...
3. ... but you are not ready for that kind of stuff (not to mention that actually is only achievable via code) > so I must figure out ... er ... hmm... the wrong way to do that.
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Angeles, which has 12% of the year made comfortable, and Shiraz, Iran, which also has 12% comfortable (assuming default parameters).
Jerusalem also makes sense to me. There is only a maximum possible 9% of the year that is inside the polygon (you'll see this if you set the timeConstant to a very high number). The default strategyPar makes 6% of these hours comfortable and 3% without cool enough temperatures in the previous hours. This seems reasonable to me.
I could be convinced to change the default time constant to 12 hours (instead of 8) as I know that 12 is the default of climate consultant but that seemed really idealized in my opinion. You'll need really high exposed mass and insulation without much internal heat gain to make conditions stable for more than 8 hours in my opinion.
As for the solarHeatCapacity, I get changes when I drop it down to 10 W/m2 or boost it up to 100 W/m2. It's definitely a parameter that operates on an "order of magnitude" scale and little tweaks to it won't change it too much. You can think of this number as representative of a lot of other physical properties: most notably the depth of the space being passively heated and the thermal mass of that space's materials that participate in heat exchange over the time constant. Climate consultant uses a default assumption of 30 W/m2 but, from my calculations, this is likely assuming a space that has a facade to floor area ratio that is greater than 1. If we say that we need to raise the temperature of 10 cm of an exposed concrete floor for passive heating purposes, and we have a facade-to-floor area ratio of 1:
Required solar flux = ((1 facade-to-floor ratio) x (0.1 m3 of concrete) x (2400 kg/m3 concrete density) x (880 J/kg-K concrete specific heat capacity)) / 3600 seconds/hour
This lands you with a required solar flux of 58 W, which is almost twice the 30 W climate consultant default. While me might say that not all 10 cm of concrete participates over the course of a default 8-hour time constant (most of the action is probably within the first 5 cm), we also have to account for things like transmittance of solar though the window, which, for triple pane, is probably only half of the incident solar. So 50 W seemed to be a more reasonable rule of thumb from my perspective, essentially assuming a facade-to-floor ratio of roughly 1 with 5 cm of concrete participating in an 8 hour heat exchange and a little more than half of solar heat getting through a fully glazed window.
Let me know if that makes sense or if you have any suggestions,
-Chris…