[Bldg-sim] software

[CleanTech Analytics]

Energy Plus has the most power and flexibility, as well as great support, a
combined heat and moisture algorithm and allows for the creation of your
own custom libraries.  You might get a free month of design builder to get
the hang of it..

Best


*Jeremiah D. Crossett*
*CleanTech Analytics*
*503-688-8951*
*www.cleantechanalytics.com* <http://www.cleantechanalytics.com>


*

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On Thu, May 17, 2012 at 5:50 AM, leen peeters <l.f.r.peeters at gmail.com>wrote:

> Madeline,
> a lot of software might claim to do all these things. But between claiming
> and actually providing good estimations is a world of difference. The main
> issue is that computational power is not at the level where a building cna
> be subdivided in a trillion nodes that can each be calculated
> simultaneously. What is the current general approach is that a zone or a
> building material is considered as a single node, sometimes the zonal air
> is subdivided in multiple nodes.
> To give a good estimation regarding your moisture transport I assume it is
> crucial to have an accurate calculation of zonal surface temperature. And
> that is extremely difficult: transmission in the building structure can
> be wel modelled, radiation could (at least theoretically, but of course
> things change as soon as the room is furnitured, decorated and people are
> using it) and convection is an even bigger problem.
>
> I would start with some recent projects on heat air and moisture
> transport, where ESP-r had been coupled to Fluent (If I remember well).
>  Check for IEA ECBCS annex 41. I am sure they have done some analysis of
> available software and based their selection on potential to perform the
> task at hand.
>
> Good Luck!
>
> Leen
>
> On Thu, May 17, 2012 at 2:28 PM, Madeline Leroux <
> madeline.leroux.1 at ulaval.ca> wrote:
>
>> Hi everyone,
>> I am looking for an energy simulation programm that calculate heating and
>> cooling loads,  moisture transport and where natural ventilation can be
>> activated. The software should (if possible) also have a bank for
>> structural steel componenst such as steel joist, decking... or other
>> structural component that are used in high-rise construction.
>>
>> I use to work with DEROB-LTH (swedish software), but it does not take
>> into account moisture transfer, and I am looking for something more
>> efficient and developped. I was thinking of TRNSYS, Energy plus or ESP-R.
>> Does anyone have other suggestions ordoes anyone has used these software
>> and could tell me if they respond to my criteria?
>>
>> Thank you
>>
>> Madeline Leroux, M.Arch
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