[EnergyPlus_Support] Why does E+ lose accuracy for lower values of the space discretization constant?

[Miguel Casas <miguelcasasarredondo@xxxxxxxxx>]

¿ENERGY PLUS: Why does this software lose accuracy for lower values of the space discretization constant?

I am using Energy Plus to simulate a cubic test hut without air conditioning in a hot climate. When I modify the Space Discretization Constant (C), set as default as 3, awkard results come out. I was expecting that lower values for C would yield more accurate results. Nonetheless, when I use low values for C, the results tend to lose accuracy. The fully implicit finite difference scheme was used with the default convergence criteria.

Miguel Casas Arredondo

52 (777) 2245453

Insituto de Energías Renovables

UNAM

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