Error modelling SwitchableGlazing

asked 2022-08-02 05:52:08 -0600

J Monteiro's avatar

updated 2022-08-02 09:10:12 -0600

I trying to model a electrochromic glazing in which the transmittance and reflectance of the glass is controlled electronically.

According with I/O Reference I have to do:

"If you choose the Shading Type = SwitchableGlazing option for WindowShadingControl, the unswitched (clear) state is specified by the Construction referenced by the window and the switched (dark) state is specified by the Construction referenced by WindowShadingControl for that window. For example, if you specify Shading Type = SwitchableGlazing and Shading Control Type = OnIfHighSolarOnWindow, then the glazing will switch to the dark state whenever the solar radiation striking the window exceeds the Setpoint value."

image description

The construction "Shading" have the characteristics of the switched (dark) state.

When I trie do run I get the following error message:

Program Version,EnergyPlus, Version 9.4.0-998c4b761e, YMD=2022.08.02 11:32,
** Severe  ** <root>[WindowShadingControl][Shading Control 1][fenestration_surfaces][65] - Missing required property 'fenestration_surface_name'.
**  Fatal  ** Errors occurred on processing input file. Preceding condition(s) cause termination.
...Summary of Errors that led to program termination:
..... Reference severe error count=1
..... Last severe error=<root>[WindowShadingControl][Shading Control 1][fenestration_surfaces][65] - Missing required property 'fenestration_surface_name'.
************* Warning:  Node connection errors not checked - most system input has not been read (see previous warning).
************* Fatal error -- final processing.  Program exited before simulations began.  See previous error messages.
************* EnergyPlus Warmup Error Summary. During Warmup: 0 Warning; 0 Severe Errors.
************* EnergyPlus Sizing Error Summary. During Sizing: 0 Warning; 0 Severe Errors.
************* EnergyPlus Terminated--Fatal Error Detected. 0 Warning; 1 Severe Errors; Elapsed Time=00hr 00min  0.37sec*"

Can anybody help me.

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