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1 : // EnergyPlus, Copyright (c) 1996-2024, The Board of Trustees of the University of Illinois,
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47 :
48 : // ObjexxFCL Headers
49 : #include <ObjexxFCL/Array1D.hh>
50 :
51 : // EnergyPlus Headers
52 : #include <EnergyPlus/Data/EnergyPlusData.hh>
53 : #include <EnergyPlus/DataHeatBalance.hh>
54 : #include <EnergyPlus/HeatBalanceInternalHeatGains.hh>
55 : #include <EnergyPlus/UtilityRoutines.hh>
56 :
57 : namespace EnergyPlus {
58 :
59 1236 : void SetupZoneInternalGain(EnergyPlusData &state,
60 : int const ZoneNum,
61 : std::string_view const cComponentName, // user unique name for device
62 : DataHeatBalance::IntGainType const IntGainCompType,
63 : Real64 *ConvectionGainRate, // pointer target for remote convection gain value to be accessed
64 : Real64 *ReturnAirConvectionGainRate,
65 : Real64 *ThermalRadiationGainRate, // pointer target for remote IR radiation gain value to be accessed
66 : Real64 *LatentGainRate,
67 : Real64 *ReturnAirLatentGainRate,
68 : Real64 *CarbonDioxideGainRate,
69 : Real64 *GenericContamGainRate,
70 : int RetNodeNum // for return air heat gains
71 : )
72 : {
73 : // Distribute zone internal gain across all spaces in the zone weighted by floor area
74 1236 : Real64 gainFrac = 1.0;
75 2472 : for (int spaceNum : state.dataHeatBal->Zone(ZoneNum).spaceIndexes) {
76 1236 : if (state.dataHeatBal->Zone(ZoneNum).numSpaces > 1) {
77 0 : gainFrac = state.dataHeatBal->space(spaceNum).FloorArea / state.dataHeatBal->Zone(ZoneNum).FloorArea;
78 : }
79 1236 : SetupSpaceInternalGain(state,
80 : spaceNum,
81 : gainFrac,
82 : cComponentName,
83 : IntGainCompType,
84 : ConvectionGainRate,
85 : ReturnAirConvectionGainRate,
86 : ThermalRadiationGainRate,
87 : LatentGainRate,
88 : ReturnAirLatentGainRate,
89 : CarbonDioxideGainRate,
90 : GenericContamGainRate,
91 : RetNodeNum);
92 1236 : }
93 1236 : }
94 14255 : void SetupSpaceInternalGain(EnergyPlusData &state,
95 : int const spaceNum,
96 : Real64 spaceGainFraction, // Fraction of gain value assigned to this space
97 : std::string_view const cComponentName, // user unique name for device
98 : DataHeatBalance::IntGainType const IntGainCompType,
99 : Real64 *ConvectionGainRate, // pointer target for remote convection gain value to be accessed
100 : Real64 *ReturnAirConvectionGainRate,
101 : Real64 *ThermalRadiationGainRate, // pointer target for remote IR radiation gain value to be accessed
102 : Real64 *LatentGainRate,
103 : Real64 *ReturnAirLatentGainRate,
104 : Real64 *CarbonDioxideGainRate,
105 : Real64 *GenericContamGainRate,
106 : int RetNodeNum // for return air heat gains
107 : )
108 : {
109 :
110 : // SUBROUTINE INFORMATION:
111 : // AUTHOR B. Griffith
112 : // DATE WRITTEN November 2011
113 :
114 : // PURPOSE OF THIS SUBROUTINE:
115 : // provide a general interface for setting up devices with internal gains
116 :
117 : // METHODOLOGY EMPLOYED:
118 : // use pointers to access gain rates in device models
119 : // devices are internal gains like people, lights, electric equipment
120 : // and HVAC components with skin loss models like thermal tanks, and power conditioning.
121 :
122 14255 : int constexpr DeviceAllocInc(100);
123 :
124 14255 : bool FoundDuplicate = false;
125 14255 : std::string UpperCaseObjectName = Util::makeUPPER(cComponentName);
126 :
127 14255 : auto &thisIntGain = state.dataHeatBal->spaceIntGainDevices(spaceNum);
128 33561 : for (int IntGainsNum = 1; IntGainsNum <= thisIntGain.numberOfDevices; ++IntGainsNum) {
129 20575 : if ((thisIntGain.device(IntGainsNum).CompType == IntGainCompType) &&
130 1269 : (thisIntGain.device(IntGainsNum).CompObjectName == UpperCaseObjectName)) {
131 0 : FoundDuplicate = true;
132 0 : break;
133 : }
134 : }
135 :
136 14255 : if (FoundDuplicate) {
137 0 : ShowSevereError(state, "SetupZoneInternalGain: developer error, trapped duplicate internal gains sent to SetupZoneInternalGain");
138 0 : ShowContinueError(state, format("The duplicate object user name ={}", format(cComponentName)));
139 0 : ShowContinueError(state,
140 0 : format("The duplicate object type = {}", format(DataHeatBalance::IntGainTypeNamesCC[static_cast<int>(IntGainCompType)])));
141 0 : ShowContinueError(state, "This internal gain will not be modeled, and the simulation continues");
142 0 : return;
143 : }
144 :
145 14255 : if (thisIntGain.numberOfDevices == 0) {
146 4391 : thisIntGain.device.allocate(DeviceAllocInc);
147 4391 : thisIntGain.maxNumberOfDevices = DeviceAllocInc;
148 : } else {
149 9864 : if (thisIntGain.numberOfDevices + 1 > thisIntGain.maxNumberOfDevices) {
150 0 : thisIntGain.device.redimension(thisIntGain.maxNumberOfDevices += DeviceAllocInc);
151 : }
152 : }
153 14255 : ++thisIntGain.numberOfDevices;
154 :
155 14255 : thisIntGain.device(thisIntGain.numberOfDevices).CompObjectName = UpperCaseObjectName;
156 14255 : thisIntGain.device(thisIntGain.numberOfDevices).CompType = IntGainCompType;
157 14255 : thisIntGain.device(thisIntGain.numberOfDevices).spaceGainFrac = spaceGainFraction;
158 :
159 : // note pointer assignments in code below!
160 14255 : if (ConvectionGainRate) {
161 14237 : thisIntGain.device(thisIntGain.numberOfDevices).PtrConvectGainRate = ConvectionGainRate;
162 : } else {
163 18 : thisIntGain.device(thisIntGain.numberOfDevices).PtrConvectGainRate = &state.dataHeatBal->zeroPointerVal;
164 : }
165 14255 : if (ReturnAirConvectionGainRate) {
166 4542 : thisIntGain.device(thisIntGain.numberOfDevices).PtrReturnAirConvGainRate = ReturnAirConvectionGainRate;
167 : } else {
168 9713 : thisIntGain.device(thisIntGain.numberOfDevices).PtrReturnAirConvGainRate = &state.dataHeatBal->zeroPointerVal;
169 : }
170 14255 : if (ThermalRadiationGainRate) {
171 13021 : thisIntGain.device(thisIntGain.numberOfDevices).PtrRadiantGainRate = ThermalRadiationGainRate;
172 : } else {
173 1234 : thisIntGain.device(thisIntGain.numberOfDevices).PtrRadiantGainRate = &state.dataHeatBal->zeroPointerVal;
174 : }
175 14255 : if (LatentGainRate) {
176 9765 : thisIntGain.device(thisIntGain.numberOfDevices).PtrLatentGainRate = LatentGainRate;
177 : } else {
178 4490 : thisIntGain.device(thisIntGain.numberOfDevices).PtrLatentGainRate = &state.dataHeatBal->zeroPointerVal;
179 : }
180 14255 : if (ReturnAirLatentGainRate) {
181 186 : thisIntGain.device(thisIntGain.numberOfDevices).PtrReturnAirLatentGainRate = ReturnAirLatentGainRate;
182 : } else {
183 14069 : thisIntGain.device(thisIntGain.numberOfDevices).PtrReturnAirLatentGainRate = &state.dataHeatBal->zeroPointerVal;
184 : }
185 14255 : if (CarbonDioxideGainRate) {
186 4198 : thisIntGain.device(thisIntGain.numberOfDevices).PtrCarbonDioxideGainRate = CarbonDioxideGainRate;
187 : } else {
188 10057 : thisIntGain.device(thisIntGain.numberOfDevices).PtrCarbonDioxideGainRate = &state.dataHeatBal->zeroPointerVal;
189 : }
190 14255 : if (GenericContamGainRate) {
191 13 : thisIntGain.device(thisIntGain.numberOfDevices).PtrGenericContamGainRate = GenericContamGainRate;
192 : } else {
193 14242 : thisIntGain.device(thisIntGain.numberOfDevices).PtrGenericContamGainRate = &state.dataHeatBal->zeroPointerVal;
194 : }
195 14255 : thisIntGain.device(thisIntGain.numberOfDevices).ReturnAirNodeNum = RetNodeNum;
196 14255 : }
197 :
198 : } // namespace EnergyPlus
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