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[EnergyPlus_Support] Re: Modeling an Airport

Thanks Jean. I'll go step by step of what you well explained.
the problem I'm constrained by the time because we have to submit our results in March for USGBC. I'll try to learn Design Builder also.
Wish me good luck!
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--- In EnergyPlus_Support@xxxxxxxxxxxxxxx, "Jean marais" <jeannieboef@...> wrote:
>
> Sketchup is a good tool. As long as the complexity is minimized (which is good practise in any event) it will remain fairly stable. It is robust in checking for geometry errors.
> 
> If you wish to do complex geometry, lots of seperate windows with frames and "rounded" type geometry needing lots of seperate surfaces, then I'll recommend DesignBuilder, as it is far more stable than Sketchup.
> 
> In my opinion, DesignBuilder is a great tool and can always be used as well as Sketchup. 
> 
> If you are new to e+, use DesignBuilder with care. It is very powerfull so can easily produce large complicated idf's which are difficalt to learn from. Use is step by step. First concentrate on geometry and building the materials and construction. When using designbuilder to make schedule templates, make sure to use only the "compact" form. Stay away from Airflow Network ("calculated natural ventilation") and use simplified infiltration models instead.
> 
> Leave the HVAC out, untill your building is warming up and cooling down normally without the HVAC. Then use the idealloads hvac. 
> 
> Then try implement just one system...ventilation for example...just to learn how the systems hang together. Create a seperate two zone square block model to implement the hvac on.
> 
> Slowly add the complexity of the HVAC, i.e. ventilation, then ventilation with cooling coil + cooling plant (district cooling plant source), then try use a chiller instead of the district cooling plant, then move on to heating, etc.
> 
> Once you have this all working on your simple 2 zone block model, try and apply the same system to your airport model.
> 
> If you try it all at once, you'll just get killed by errors.
>




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