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47 :
48 : // EnergyPlus Headers
49 : #include <EnergyPlus/Data/EnergyPlusData.hh>
50 : #include <EnergyPlus/DataIPShortCuts.hh>
51 : #include <EnergyPlus/GroundTemperatureModeling/KusudaAchenbachGroundTemperatureModel.hh>
52 : #include <EnergyPlus/GroundTemperatureModeling/SiteShallowGroundTemperatures.hh>
53 : #include <EnergyPlus/InputProcessing/InputProcessor.hh>
54 : #include <EnergyPlus/UtilityRoutines.hh>
55 : #include <EnergyPlus/WeatherManager.hh>
56 :
57 : namespace EnergyPlus {
58 :
59 : //******************************************************************************
60 : namespace GroundTemp {
61 :
62 : // Kusuda model factory
63 50 : KusudaGroundTempsModel *KusudaGroundTempsModel::KusudaGTMFactory(EnergyPlusData &state, const std::string &objectName)
64 : {
65 : // SUBROUTINE INFORMATION:
66 : // AUTHOR Matt Mitchell
67 : // DATE WRITTEN Summer 2015
68 :
69 : // PURPOSE OF THIS SUBROUTINE:
70 : // Reads input and creates instance of Kusuda ground temps model
71 :
72 : // Locals
73 : // SUBROUTINE LOCAL VARIABLE DECLARATIONS:
74 50 : bool found = false;
75 : int NumNums;
76 : int NumAlphas;
77 : int IOStat;
78 :
79 : // New shared pointer for this model object
80 50 : auto *thisModel = new KusudaGroundTempsModel();
81 :
82 : // There was some **spooky** behavior here. One of the calling sites for this factory was passing in a reference
83 : // to a dataIPShortCuts item as the objectName argument. Inside here, we make a second call to getObjectItem
84 : // which then overwrites the value. So objectName gets overwritten. I made a copy of the string here to ensure
85 : // it persists.
86 50 : const std::string lookingForName = objectName; // NOLINT(*-unnecessary-copy-initialization)
87 :
88 50 : ModelType modelType = ModelType::Kusuda;
89 :
90 50 : std::string_view const cCurrentModuleObject = GroundTemp::modelTypeNamesUC[(int)modelType];
91 50 : const int numCurrModels = state.dataInputProcessing->inputProcessor->getNumObjectsFound(state, cCurrentModuleObject);
92 :
93 51 : for (int modelNum = 1; modelNum <= numCurrModels; ++modelNum) {
94 :
95 102 : state.dataInputProcessing->inputProcessor->getObjectItem(state,
96 : cCurrentModuleObject,
97 : modelNum,
98 51 : state.dataIPShortCut->cAlphaArgs,
99 : NumAlphas,
100 51 : state.dataIPShortCut->rNumericArgs,
101 : NumNums,
102 : IOStat);
103 :
104 51 : if (lookingForName == state.dataIPShortCut->cAlphaArgs(1)) {
105 :
106 : // Read input into object here
107 50 : thisModel->Name = state.dataIPShortCut->cAlphaArgs(1);
108 50 : thisModel->modelType = modelType;
109 50 : thisModel->groundThermalDiffusivity =
110 50 : state.dataIPShortCut->rNumericArgs(1) / (state.dataIPShortCut->rNumericArgs(2) * state.dataIPShortCut->rNumericArgs(3));
111 :
112 : std::array<Real64, 3> flags = {
113 50 : state.dataIPShortCut->rNumericArgs(4), state.dataIPShortCut->rNumericArgs(5), state.dataIPShortCut->rNumericArgs(6)};
114 : const bool useGroundTempDataForKusuda =
115 102 : std::any_of(flags.begin(), flags.end(), [](Real64 const flag) { return static_cast<bool>(flag); });
116 :
117 50 : if (useGroundTempDataForKusuda) {
118 : // Use Kusuda Parameters
119 49 : thisModel->aveGroundTemp = state.dataIPShortCut->rNumericArgs(4);
120 49 : thisModel->aveGroundTempAmplitude = state.dataIPShortCut->rNumericArgs(5);
121 49 : thisModel->phaseShiftInSecs = state.dataIPShortCut->rNumericArgs(6) * Constant::rSecsInDay;
122 : } else {
123 : // Use data from Site:GroundTemperature:Shallow to generate parameters
124 :
125 1 : constexpr int monthsInYear(12);
126 1 : constexpr int avgDaysInMonth(30);
127 1 : int monthOfMinSurfTemp(0);
128 1 : Real64 averageGroundTemp(0);
129 1 : Real64 amplitudeOfGroundTemp(0);
130 1 : Real64 phaseShiftOfMinGroundTempDays(0);
131 1 : Real64 minSurfTemp(100); // Set high; month 1 temp will be lower than that and actually get updated
132 1 : Real64 maxSurfTemp(-100); // Set low initially but will get updated
133 :
134 : // get a non-owning pointer to the shallow ground temperature object, whether user-input or defaults
135 1 : BaseGroundTempsModel *shallowObj = SiteShallowGroundTemps::ShallowGTMFactory(state, "");
136 :
137 13 : for (int monthIndex = 1; monthIndex <= 12; ++monthIndex) {
138 12 : const Real64 currMonthTemp = shallowObj->getGroundTempAtTimeInMonths(state, 0.0, monthIndex);
139 :
140 : // Calculate Average Ground Temperature for all 12 months of the year:
141 12 : averageGroundTemp += currMonthTemp;
142 :
143 : // Need max temp, min temp, and month of min surf temp to set amplitude and month of min surf temp
144 12 : if (currMonthTemp <= minSurfTemp) {
145 2 : monthOfMinSurfTemp = monthIndex;
146 2 : minSurfTemp = currMonthTemp;
147 : }
148 :
149 12 : if (currMonthTemp >= maxSurfTemp) {
150 7 : maxSurfTemp = currMonthTemp;
151 : }
152 : }
153 :
154 1 : averageGroundTemp /= monthsInYear;
155 :
156 1 : amplitudeOfGroundTemp = (maxSurfTemp - minSurfTemp) / 2.0;
157 :
158 1 : phaseShiftOfMinGroundTempDays = monthOfMinSurfTemp * avgDaysInMonth;
159 :
160 : // Assign to KA Model
161 1 : thisModel->aveGroundTemp = averageGroundTemp;
162 1 : thisModel->aveGroundTempAmplitude = amplitudeOfGroundTemp;
163 1 : thisModel->phaseShiftInSecs = phaseShiftOfMinGroundTempDays * Constant::rSecsInDay;
164 : }
165 :
166 50 : found = true;
167 50 : break;
168 : }
169 : }
170 :
171 50 : if (found) {
172 50 : state.dataGrndTempModelMgr->groundTempModels.push_back(thisModel);
173 50 : return thisModel;
174 : }
175 :
176 0 : ShowFatalError(state, fmt::format("{}--Errors getting input for ground temperature model", GroundTemp::modelTypeNames[(int)modelType]));
177 0 : return nullptr;
178 50 : }
179 :
180 : //******************************************************************************
181 :
182 76292 : Real64 KusudaGroundTempsModel::getGroundTemp(EnergyPlusData &state)
183 : {
184 : // AUTHOR Matt Mitchell
185 : // DATE WRITTEN June 2015
186 :
187 : // PURPOSE OF THIS FUNCTION:
188 : // Returns a ground temperature
189 :
190 : // METHODOLOGY EMPLOYED:
191 : // Kusuda and Achenbach correlation is used
192 :
193 76292 : Real64 const secsInYear = Constant::rSecsInDay * state.dataWeather->NumDaysInYear;
194 :
195 76292 : const Real64 term1 = -depth * std::sqrt(Constant::Pi / (secsInYear * groundThermalDiffusivity));
196 76292 : const Real64 term2 = (2 * Constant::Pi / secsInYear) *
197 76292 : (simTimeInSeconds - phaseShiftInSecs - (depth / 2) * std::sqrt(secsInYear / (Constant::Pi * groundThermalDiffusivity)));
198 :
199 76292 : return aveGroundTemp - aveGroundTempAmplitude * std::exp(term1) * std::cos(term2);
200 : }
201 :
202 : //******************************************************************************
203 :
204 76290 : Real64 KusudaGroundTempsModel::getGroundTempAtTimeInSeconds(EnergyPlusData &state, Real64 const _depth, Real64 const _seconds)
205 : {
206 : // SUBROUTINE INFORMATION:
207 : // AUTHOR Matt Mitchell
208 : // DATE WRITTEN Summer 2015
209 :
210 : // PURPOSE OF THIS SUBROUTINE:
211 : // Returns the ground temperature when input time is in seconds
212 :
213 : // SUBROUTINE LOCAL VARIABLE DECLARATIONS:
214 76290 : Real64 const secondsInYear = state.dataWeather->NumDaysInYear * Constant::rSecsInDay;
215 :
216 76290 : depth = _depth;
217 :
218 76290 : simTimeInSeconds = _seconds;
219 :
220 76290 : if (simTimeInSeconds > secondsInYear) {
221 0 : simTimeInSeconds = remainder(simTimeInSeconds, secondsInYear);
222 : }
223 :
224 : // Get and return ground temperature
225 76290 : return getGroundTemp(state);
226 : }
227 :
228 : //******************************************************************************
229 :
230 2 : Real64 KusudaGroundTempsModel::getGroundTempAtTimeInMonths(EnergyPlusData &state, Real64 const _depth, int const _month)
231 : {
232 : // SUBROUTINE INFORMATION:
233 : // AUTHOR Matt Mitchell
234 : // DATE WRITTEN Summer 2015
235 :
236 : // PURPOSE OF THIS SUBROUTINE:
237 : // Returns the ground temperature when input time is in months
238 :
239 : // SUBROUTINE LOCAL VARIABLE DECLARATIONS:
240 2 : Real64 const aveSecondsInMonth = (state.dataWeather->NumDaysInYear / 12) * Constant::rSecsInDay;
241 2 : Real64 const secondsPerYear = state.dataWeather->NumDaysInYear * Constant::rSecsInDay;
242 :
243 2 : depth = _depth;
244 :
245 2 : simTimeInSeconds = aveSecondsInMonth * (_month - 1 + 0.5);
246 :
247 2 : if (simTimeInSeconds > secondsPerYear) {
248 0 : simTimeInSeconds = remainder(simTimeInSeconds, secondsPerYear);
249 : }
250 :
251 : // Get and return ground temperature
252 2 : return getGroundTemp(state);
253 : }
254 :
255 : //******************************************************************************
256 :
257 : } // namespace GroundTemp
258 : } // namespace EnergyPlus
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