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1 : // EnergyPlus, Copyright (c) 1996-2025, The Board of Trustees of the University of Illinois,
2 : // The Regents of the University of California, through Lawrence Berkeley National Laboratory
3 : // (subject to receipt of any required approvals from the U.S. Dept. of Energy), Oak Ridge
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47 :
48 : #ifndef DataViewFactorInformation_hh_INCLUDED
49 : #define DataViewFactorInformation_hh_INCLUDED
50 :
51 : // ObjexxFCL Headers
52 : #include <ObjexxFCL/Array1D.hh>
53 : #include <ObjexxFCL/Array2D.hh>
54 :
55 : // EnergyPlus Headers
56 : #include <EnergyPlus/Data/BaseData.hh>
57 : #include <EnergyPlus/DataGlobals.hh>
58 : #include <EnergyPlus/EnergyPlus.hh>
59 :
60 : namespace EnergyPlus {
61 :
62 : namespace DataViewFactorInformation {
63 :
64 : struct EnclosureViewFactorInformation
65 : {
66 : // Members
67 : std::string Name; // Enclosure name
68 : std::vector<std::string> spaceNames; // Space names which are part of this enclosure
69 : std::vector<int> spaceNums; // Spaces which are part of this enclosure
70 : int NumOfSurfaces = 0; // Number of surfaces in the enclosure
71 : Array2D<Real64> F; // View Factors: F(i,j) = from surface j to surface i (counter-intuitive, but optimized for performance)
72 : Array2D<Real64> ScriptF; // Hottel's Script F //Tuned Transposed
73 : Array1D<Real64> Area; // Surface area
74 : Array1D<Real64> Emissivity; // Surface emissivity
75 : Array1D<Real64> Azimuth; // Azimuth angle of the surface (in degrees)
76 : Array1D<Real64> Tilt; // Tilt angle of the surface (in degrees)
77 : Array1D<Real64> FMRT; // Mean Radiant Temperature "View Factor" used in Carroll method
78 : Array1D<Real64> Fp; // F' (Oppenheim surface resistance used in Carroll method)
79 : Array1D_int SurfacePtr; // Surface number for surfaces in this enclosure
80 : std::vector<int> SurfaceReportNums; // Enclosure surface numbers for reporting view factors in old order (sub-surfaces follow base surfaces)
81 : Real64 FloorArea = 0.0; // Floor area of zone(s) in enclosure
82 : Real64 ExtWindowArea = 0.0; // Exterior window area
83 : Real64 TotalSurfArea = 0.0; // Total surface area
84 : Array1D<Real64> SolAbsorptance; // Surface solar absorptance
85 : int TotalEnclosureDaylRefPoints = 0; // Total number of daylighting reference points in enclosure
86 : bool HasInterZoneWindow = false; // Interzone Window(s) present in this zone
87 : Real64 solVMULT = 0.0; // 1/(Sum Of Inside Surfaces Area*Absorptance)
88 : Real64 radQThermalRad = 0.0; // TOTAL THERMAL RADIATION ADDED TO Radiant Enclosure
89 : Real64 radThermAbsMult = 0.0; // EnclRadThermAbsMult - MULTIPLIER TO COMPUTE 'ITABSF'
90 : bool solAbsFirstCalc = true; // for error message
91 : bool radReCalc = false; // Enclosure solar or thermal radiation properties need recalc due to window/shading status change or envelope EMS
92 : // actuators present
93 : Real64 sumAE = 0.0; // Sum of surface area * emissivity for all surfaces in the enclosure
94 : Real64 sumAET = 0.0; // Sum of surface area * emissivity * temperature for all surfaces in the enclosure
95 : Real64 MRT = 0.0; // Mean radiant temperature of the enclosure
96 : bool reCalcMRT = false; // True when MRT needs to be recalculated
97 : };
98 :
99 : } // namespace DataViewFactorInformation
100 :
101 : struct ViewFactorInfoData : BaseGlobalStruct
102 : {
103 :
104 : int NumOfRadiantEnclosures = 0; // Number of radiant enclosures
105 : int NumOfSolarEnclosures = 0; // Number of solar enclosures
106 : EPVector<DataViewFactorInformation::EnclosureViewFactorInformation> EnclRadInfo;
107 : EPVector<DataViewFactorInformation::EnclosureViewFactorInformation> EnclSolInfo;
108 :
109 2126 : void init_constant_state([[maybe_unused]] EnergyPlusData &state) override
110 : {
111 2126 : }
112 :
113 1152 : void init_state([[maybe_unused]] EnergyPlusData &state) override
114 : {
115 1152 : }
116 :
117 2100 : void clear_state() override
118 : {
119 2100 : NumOfRadiantEnclosures = 0;
120 2100 : NumOfSolarEnclosures = 0;
121 2100 : EnclRadInfo.clear();
122 2100 : EnclSolInfo.clear();
123 2100 : }
124 : };
125 :
126 : } // namespace EnergyPlus
127 :
128 : #endif
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