[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[EnergyPlus_Support] Re: Material & Material:NoMass
Sorry,
because our local codes oblige us "NOT" to exceed certain value for each construction
--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, Eng.Amin M. <syrianboy4ever@...> wrote:
>
>
> Thanks for your helpful answers,
> I still have a question regarding this class:
> After I define the materials and input them, How can I know the total U value of the construction? because our local codes oblige us now to exceed certain value for each construction. Is there anyway -after knowing U value- to modify it?
>
> Regards,
>
>
>
>
>
> To: EnergyPlus_Support@xxxxxxxxxxxxxxx
> From: linda@...
> Date: Wed, 22 Feb 2012 10:35:53 -0700
> Subject: Re: [EnergyPlus_Support] Re: Material & Material:NoMass
>
>
>
>
>
>
> That is a problem that is being worked on for the next release.
>
> At 10:18 AM 2/22/2012, CleanTech Analytics wrote:
>
>
>
> Also I have noticed that the finite difference algorithm for simulating Phase Change Materials does not converge when any materials no mass are used.
>
> On Wed, Feb 22, 2012 at 8:07 AM, Linda Lawrie <linda@...> wrote:
>
>
>
>
>
> That is correct, if you have some layers with nomass, the whole construction will still be okay (providing thermal mass properties to the building) if they are using the "regular" properties.
>
>
>
> At 09:02 AM 2/22/2012, Jean marais wrote:
>
>
> just that layer has no mass, not the whole contruction...? I.e. I assume that a no mass layer does not nullyfy the internalmass of the entire contruction, right?
>
>
>
> --
> Jeremiah D. Crossett
> CleanTech Analytics
> 503-688-8951
> www.cleantechanalytics.com
>
>
>
> This document may contain valuable information proprietary to CleanTech Analytics which is private and confidential. It may not be shared, copied, stored or transmitted in any form without the prior written consent of CleanTech Analytics
>
------------------------------------
Primary EnergyPlus support is found at:
http://energyplus.helpserve.com or send a message to energyplus-support@xxxxxxxx
The primary EnergyPlus web site is found at:
http://www.energyplus.gov
The group web site is:
http://groups.yahoo.com/group/EnergyPlus_Support/
Attachments are currently allowed but be mindful that not everyone has a high speed connection. Limit attachments to small files.
EnergyPlus Documentation is searchable. Open EPlusMainMenu.pdf under the Documentation link and press the "search" button.
Yahoo! Groups Links
<*> To visit your group on the web, go to:
http://groups.yahoo.com/group/EnergyPlus_Support/
<*> Your email settings:
Individual Email | Traditional
<*> To change settings online go to:
http://groups.yahoo.com/group/EnergyPlus_Support/join
(Yahoo! ID required)
<*> To change settings via email:
EnergyPlus_Support-digest@xxxxxxxxxxxxxxx
EnergyPlus_Support-fullfeatured@xxxxxxxxxxxxxxx
<*> To unsubscribe from this group, send an email to:
EnergyPlus_Support-unsubscribe@xxxxxxxxxxxxxxx
<*> Your use of Yahoo! Groups is subject to:
http://docs.yahoo.com/info/terms/