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Re: [EnergyPlus_Support] Re: Material & Material:NoMass





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@xxxxxxxxxxxxxx> 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?




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Jeremiah D. Crossett
CleanTech Analytics
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www.cleantechanalytics.com


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