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47 :
48 : // C++ Headers
49 : #include <map>
50 : #include <string>
51 : #include <vector>
52 :
53 : // EnergyPlus Headers
54 : #include <EnergyPlus/Data/EnergyPlusData.hh>
55 : #include <EnergyPlus/DataHVACGlobals.hh>
56 : #include <EnergyPlus/DataSizing.hh>
57 : #include <EnergyPlus/General.hh>
58 : #include <EnergyPlus/OutputProcessor.hh>
59 : #include <EnergyPlus/OutputReportPredefined.hh>
60 : #include <EnergyPlus/Plant/DataPlant.hh>
61 : #include <EnergyPlus/SizingAnalysisObjects.hh>
62 : #include <EnergyPlus/UtilityRoutines.hh>
63 : #include <EnergyPlus/WeatherManager.hh>
64 :
65 : namespace EnergyPlus {
66 :
67 32801 : ZoneTimestepObject::ZoneTimestepObject()
68 : {
69 32801 : kindOfSim = Constant::KindOfSim::Invalid;
70 32801 : envrnNum = 0;
71 32801 : dayOfSim = 0;
72 32801 : hourOfDay = 0;
73 32801 : ztStepsIntoPeriod = 0;
74 32801 : stepStartMinute = 0.0;
75 32801 : stepEndMinute = 0.0;
76 32801 : timeStepDuration = 0.0;
77 32801 : }
78 :
79 13867 : ZoneTimestepObject::ZoneTimestepObject(
80 : Constant::KindOfSim kindSim, // kind of simulation
81 : int environmentNum, // index in Environment data structure, usually Weather::Envrn
82 : int daySim, // days into simulation period, usually DataGlobals::DayOfSim
83 : int hourDay, // hour into day, 1-24, filled by DataGlobals::HourOfDay
84 : int timeStep, // time steps into hour, filled by DataGlobals::TimeStep
85 : Real64 timeStepDurat, // duration of timestep in fractional hours, usually OutputProcessor::TimeValue( ZoneIndex ).TimeStep
86 : int numOfTimeStepsPerHour // timesteps in each hour, usually DataGlobals::NumOfTimeStepInHour
87 13867 : )
88 13867 : : kindOfSim(kindSim), envrnNum(environmentNum), dayOfSim(daySim), hourOfDay(hourDay),
89 :
90 13867 : timeStepDuration(timeStepDurat)
91 : {
92 13867 : Real64 constexpr minutesPerHour(60.0);
93 13867 : int constexpr hoursPerDay(24);
94 :
95 13867 : stepEndMinute = timeStepDuration * minutesPerHour + (timeStep - 1) * timeStepDuration * minutesPerHour;
96 :
97 13867 : stepStartMinute = stepEndMinute - timeStepDuration * minutesPerHour;
98 :
99 13867 : if (stepStartMinute < 0.0) {
100 0 : stepStartMinute = 0.0;
101 0 : stepEndMinute = timeStepDuration * minutesPerHour;
102 : }
103 :
104 13867 : ztStepsIntoPeriod = ((dayOfSim - 1) * (hoursPerDay * numOfTimeStepsPerHour)) + // multiple days
105 13867 : ((hourOfDay - 1) * numOfTimeStepsPerHour) + // so far this day's hours
106 13867 : round((stepStartMinute / minutesPerHour) / (timeStepDuration)); // into current hour
107 :
108 13867 : if (ztStepsIntoPeriod < 0) ztStepsIntoPeriod = 0;
109 :
110 : // We only expect this feature to be used with systems, so there will always be a system timestep update, at least one.
111 13867 : hasSystemSubSteps = true;
112 13867 : numSubSteps = 1;
113 13867 : subSteps.resize(numSubSteps);
114 13867 : }
115 :
116 78 : SizingLog::SizingLog(double &rVariable) : p_rVariable(rVariable)
117 : {
118 78 : }
119 :
120 82038 : int SizingLog::GetZtStepIndex(const ZoneTimestepObject tmpztStepStamp)
121 : {
122 :
123 : int vecIndex;
124 :
125 82038 : if (tmpztStepStamp.ztStepsIntoPeriod > 0) { // discard any negative value for safety
126 80970 : vecIndex = envrnStartZtStepIndexMap[newEnvrnToSeedEnvrnMap[tmpztStepStamp.envrnNum]] + tmpztStepStamp.ztStepsIntoPeriod;
127 : } else {
128 1068 : vecIndex = envrnStartZtStepIndexMap[newEnvrnToSeedEnvrnMap[tmpztStepStamp.envrnNum]];
129 : }
130 :
131 : // next for safety sake, constrain index to lie inside correct envronment
132 82038 : if (vecIndex < envrnStartZtStepIndexMap[newEnvrnToSeedEnvrnMap[tmpztStepStamp.envrnNum]]) {
133 0 : vecIndex = envrnStartZtStepIndexMap[newEnvrnToSeedEnvrnMap[tmpztStepStamp.envrnNum]]; // first step in environment
134 : }
135 82038 : if (vecIndex > (envrnStartZtStepIndexMap[newEnvrnToSeedEnvrnMap[tmpztStepStamp.envrnNum]] +
136 82038 : ztStepCountByEnvrnMap[newEnvrnToSeedEnvrnMap[tmpztStepStamp.envrnNum]])) {
137 0 : vecIndex = envrnStartZtStepIndexMap[newEnvrnToSeedEnvrnMap[tmpztStepStamp.envrnNum]] +
138 0 : ztStepCountByEnvrnMap[newEnvrnToSeedEnvrnMap[tmpztStepStamp.envrnNum]]; // last step in environment
139 : }
140 82038 : return vecIndex;
141 : }
142 :
143 27360 : void SizingLog::FillZoneStep(ZoneTimestepObject tmpztStepStamp)
144 : {
145 27360 : int index = GetZtStepIndex(tmpztStepStamp);
146 :
147 27360 : ztStepObj[index].kindOfSim = tmpztStepStamp.kindOfSim;
148 27360 : ztStepObj[index].envrnNum = tmpztStepStamp.envrnNum;
149 27360 : ztStepObj[index].dayOfSim = tmpztStepStamp.dayOfSim;
150 27360 : ztStepObj[index].hourOfDay = tmpztStepStamp.hourOfDay;
151 27360 : ztStepObj[index].ztStepsIntoPeriod = tmpztStepStamp.ztStepsIntoPeriod;
152 27360 : ztStepObj[index].stepStartMinute = tmpztStepStamp.stepStartMinute;
153 27360 : ztStepObj[index].stepEndMinute = tmpztStepStamp.stepEndMinute;
154 27360 : ztStepObj[index].timeStepDuration = tmpztStepStamp.timeStepDuration;
155 :
156 27360 : ztStepObj[index].logDataValue = p_rVariable;
157 27360 : }
158 :
159 54534 : int SizingLog::GetSysStepZtStepIndex(ZoneTimestepObject tmpztStepStamp)
160 : {
161 : // this method finds a zone timestep for the system timestep update to use
162 : // system timesteps are substeps inside a zone timestep, but are updated
163 : // before the zone step has been called.
164 : // the zone timestamp passed in is now accurate, not lagged, so this is simpler
165 :
166 54534 : int znStepIndex = GetZtStepIndex(tmpztStepStamp);
167 :
168 : // safety checks for range
169 54534 : if (znStepIndex >= NumOfStepsInLogSet) znStepIndex = NumOfStepsInLogSet - 1;
170 54534 : if (znStepIndex < 0) znStepIndex = 0;
171 :
172 54534 : return znStepIndex;
173 : }
174 :
175 54534 : void SizingLog::FillSysStep(ZoneTimestepObject tmpztStepStamp, SystemTimestepObject tmpSysStepStamp)
176 : {
177 :
178 54534 : int ztIndex(0);
179 54534 : int oldNumSubSteps(0);
180 54534 : int newNumSubSteps(0);
181 54534 : Real64 constexpr MinutesPerHour(60.0);
182 54534 : Real64 ZoneStepStartMinutes(0.0);
183 :
184 54534 : ztIndex = GetSysStepZtStepIndex(tmpztStepStamp);
185 :
186 54534 : if (ztStepObj[ztIndex].hasSystemSubSteps) {
187 :
188 27174 : oldNumSubSteps = ztStepObj[ztIndex].numSubSteps;
189 27174 : newNumSubSteps = round(tmpztStepStamp.timeStepDuration / tmpSysStepStamp.TimeStepDuration);
190 27174 : if (newNumSubSteps != oldNumSubSteps) {
191 0 : ztStepObj[ztIndex].subSteps.resize(newNumSubSteps);
192 0 : ztStepObj[ztIndex].numSubSteps = newNumSubSteps;
193 : }
194 : } else {
195 27360 : newNumSubSteps = round(tmpztStepStamp.timeStepDuration / tmpSysStepStamp.TimeStepDuration);
196 27360 : ztStepObj[ztIndex].subSteps.resize(newNumSubSteps);
197 27360 : ztStepObj[ztIndex].numSubSteps = newNumSubSteps;
198 27360 : ztStepObj[ztIndex].hasSystemSubSteps = true;
199 : }
200 :
201 : // figure out which index this substep needs to go into
202 54534 : ZoneStepStartMinutes = tmpztStepStamp.stepStartMinute;
203 :
204 54534 : tmpSysStepStamp.stStepsIntoZoneStep =
205 54534 : round((((tmpSysStepStamp.CurMinuteStart - ZoneStepStartMinutes) / MinutesPerHour) / tmpSysStepStamp.TimeStepDuration));
206 :
207 54534 : if ((tmpSysStepStamp.stStepsIntoZoneStep >= 0) && (tmpSysStepStamp.stStepsIntoZoneStep < ztStepObj[ztIndex].numSubSteps)) {
208 54534 : ztStepObj[ztIndex].subSteps[tmpSysStepStamp.stStepsIntoZoneStep] = tmpSysStepStamp;
209 54534 : ztStepObj[ztIndex].subSteps[tmpSysStepStamp.stStepsIntoZoneStep].LogDataValue = p_rVariable;
210 : } else {
211 0 : ztStepObj[ztIndex].subSteps[0] = tmpSysStepStamp;
212 0 : ztStepObj[ztIndex].subSteps[0].LogDataValue = p_rVariable;
213 : }
214 54534 : }
215 :
216 108 : void SizingLog::AverageSysTimeSteps()
217 : {
218 : Real64 RunningSum;
219 :
220 27468 : for (auto &zt : ztStepObj) {
221 27360 : if (zt.numSubSteps > 0) {
222 27360 : RunningSum = 0.0;
223 81894 : for (auto &SysT : zt.subSteps) {
224 54534 : RunningSum += SysT.LogDataValue;
225 27360 : }
226 27360 : zt.logDataValue = RunningSum / double(zt.numSubSteps);
227 : }
228 108 : }
229 108 : }
230 :
231 108 : void SizingLog::ProcessRunningAverage()
232 : {
233 108 : Real64 RunningSum = 0.0;
234 108 : Real64 divisor = double(timeStepsInAverage);
235 :
236 108 : std::map<int, int>::iterator end = ztStepCountByEnvrnMap.end();
237 324 : for (std::map<int, int>::iterator itr = ztStepCountByEnvrnMap.begin(); itr != end; ++itr) {
238 27576 : for (int i = 0; i < itr->second; ++i) { // next inner loop over zone timestep steps
239 :
240 27360 : if (timeStepsInAverage > 0) {
241 27360 : RunningSum = 0.0;
242 71136 : for (int j = 0; j < timeStepsInAverage; ++j) { //
243 43776 : if ((i - j) < 0) {
244 168 : RunningSum += ztStepObj[envrnStartZtStepIndexMap[itr->first]].logDataValue; // just use first value to fill early steps
245 : } else {
246 43608 : RunningSum += ztStepObj[((i - j) + envrnStartZtStepIndexMap[itr->first])].logDataValue;
247 : }
248 : }
249 27360 : ztStepObj[(i + envrnStartZtStepIndexMap[itr->first])].runningAvgDataValue = RunningSum / divisor;
250 : }
251 : }
252 108 : }
253 108 : }
254 :
255 72 : ZoneTimestepObject SizingLog::GetLogVariableDataMax(EnergyPlusData &state)
256 : {
257 : Real64 MaxVal;
258 72 : ZoneTimestepObject tmpztStepStamp;
259 72 : MaxVal = 0.0;
260 :
261 72 : if (!ztStepObj.empty()) {
262 72 : tmpztStepStamp = ztStepObj[0];
263 : }
264 :
265 18312 : for (auto &zt : ztStepObj) {
266 18240 : if (zt.envrnNum > 0 && zt.kindOfSim != Constant::KindOfSim::Invalid && zt.runningAvgDataValue > MaxVal) {
267 595 : MaxVal = zt.runningAvgDataValue;
268 595 : tmpztStepStamp = zt;
269 17645 : } else if (zt.envrnNum == 0 && zt.kindOfSim == Constant::KindOfSim::Invalid) { // null timestamp, problem to fix
270 0 : ShowWarningMessage(state, "GetLogVariableDataMax: null timestamp in log");
271 : }
272 72 : }
273 72 : return tmpztStepStamp;
274 0 : }
275 :
276 144 : Real64 SizingLog::GetLogVariableDataAtTimestamp(ZoneTimestepObject tmpztStepStamp)
277 : {
278 144 : int const index = GetZtStepIndex(tmpztStepStamp);
279 :
280 144 : Real64 const val = ztStepObj[index].runningAvgDataValue;
281 :
282 144 : return val;
283 : }
284 :
285 90 : void SizingLog::ReInitLogForIteration()
286 : {
287 90 : ZoneTimestepObject tmpNullztStepObj;
288 :
289 22266 : for (auto &zt : ztStepObj) {
290 22176 : zt = tmpNullztStepObj;
291 90 : }
292 90 : }
293 :
294 639 : void SizingLog::SetupNewEnvironment(int const seedEnvrnNum, int const newEnvrnNum)
295 : {
296 639 : newEnvrnToSeedEnvrnMap[newEnvrnNum] = seedEnvrnNum;
297 639 : }
298 :
299 78 : int SizingLoggerFramework::SetupVariableSizingLog(EnergyPlusData &state, Real64 &rVariable, int stepsInAverage)
300 : {
301 78 : int VectorLength(0);
302 78 : int constexpr HoursPerDay(24);
303 :
304 78 : SizingLog tmpLog(rVariable);
305 78 : tmpLog.NumOfEnvironmentsInLogSet = 0;
306 78 : tmpLog.NumOfDesignDaysInLogSet = 0;
307 78 : tmpLog.NumberOfSizingPeriodsInLogSet = 0;
308 :
309 : // search environment structure for sizing periods
310 : // this is coded to occur before the additions to Environment structure that will occur to run them as HVAC Sizing sims
311 345 : for (int i = 1; i <= state.dataWeather->NumOfEnvrn; ++i) {
312 267 : if (state.dataWeather->Environment(i).KindOfEnvrn == Constant::KindOfSim::DesignDay) {
313 156 : ++tmpLog.NumOfEnvironmentsInLogSet;
314 156 : ++tmpLog.NumOfDesignDaysInLogSet;
315 : }
316 267 : if (state.dataWeather->Environment(i).KindOfEnvrn == Constant::KindOfSim::RunPeriodDesign) {
317 0 : ++tmpLog.NumOfEnvironmentsInLogSet;
318 0 : ++tmpLog.NumberOfSizingPeriodsInLogSet;
319 : }
320 : }
321 :
322 : // next fill in the count of steps into map
323 345 : for (int i = 1; i <= state.dataWeather->NumOfEnvrn; ++i) {
324 :
325 267 : if (state.dataWeather->Environment(i).KindOfEnvrn == Constant::KindOfSim::DesignDay) {
326 156 : tmpLog.ztStepCountByEnvrnMap[i] = HoursPerDay * state.dataGlobal->NumOfTimeStepInHour;
327 : }
328 267 : if (state.dataWeather->Environment(i).KindOfEnvrn == Constant::KindOfSim::RunPeriodDesign) {
329 0 : tmpLog.ztStepCountByEnvrnMap[i] = HoursPerDay * state.dataGlobal->NumOfTimeStepInHour * state.dataWeather->Environment(i).TotalDays;
330 : }
331 : }
332 :
333 78 : int stepSum = 0;
334 78 : std::map<int, int>::iterator end = tmpLog.ztStepCountByEnvrnMap.end();
335 234 : for (std::map<int, int>::iterator itr = tmpLog.ztStepCountByEnvrnMap.begin(); itr != end; ++itr) {
336 :
337 156 : tmpLog.envrnStartZtStepIndexMap[itr->first] = stepSum;
338 156 : stepSum += itr->second;
339 78 : }
340 :
341 78 : tmpLog.timeStepsInAverage = stepsInAverage;
342 :
343 78 : VectorLength = stepSum;
344 :
345 78 : tmpLog.NumOfStepsInLogSet = VectorLength;
346 78 : tmpLog.ztStepObj.resize(VectorLength);
347 :
348 78 : logObjs.push_back(tmpLog);
349 78 : ++NumOfLogs;
350 78 : return NumOfLogs - 1;
351 78 : }
352 :
353 102 : void SizingLoggerFramework::SetupSizingLogsNewEnvironment(EnergyPlusData &state)
354 : {
355 : using namespace Weather;
356 :
357 741 : for (auto &l : logObjs) {
358 639 : l.SetupNewEnvironment(state.dataWeather->Environment(state.dataWeather->Envrn).SeedEnvrnNum, state.dataWeather->Envrn);
359 102 : }
360 102 : }
361 :
362 13867 : ZoneTimestepObject SizingLoggerFramework::PrepareZoneTimestepStamp(EnergyPlusData &state)
363 : {
364 : // prepare current timing data once and then pass into fill routines
365 : // function used by both zone and system frequency log updates
366 :
367 13867 : int locDayOfSim(1);
368 :
369 13867 : if (state.dataGlobal->WarmupFlag) { // DayOfSim not okay during warmup, keeps incrementing up during warmup days
370 0 : locDayOfSim = 1;
371 : } else {
372 13867 : locDayOfSim = state.dataGlobal->DayOfSim;
373 : }
374 :
375 : ZoneTimestepObject tmpztStepStamp( // call constructor
376 13867 : state.dataGlobal->KindOfSim,
377 13867 : state.dataWeather->Envrn,
378 : locDayOfSim,
379 13867 : state.dataGlobal->HourOfDay,
380 13867 : state.dataGlobal->TimeStep,
381 13867 : *state.dataOutputProcessor->TimeValue[(int)OutputProcessor::TimeStepType::Zone].TimeStep,
382 27734 : state.dataGlobal->NumOfTimeStepInHour);
383 :
384 13867 : return tmpztStepStamp;
385 : }
386 :
387 4656 : void SizingLoggerFramework::UpdateSizingLogValuesZoneStep(EnergyPlusData &state)
388 : {
389 4656 : ZoneTimestepObject tmpztStepStamp;
390 :
391 4656 : tmpztStepStamp = PrepareZoneTimestepStamp(state);
392 :
393 32016 : for (auto &l : logObjs) {
394 27360 : l.FillZoneStep(tmpztStepStamp);
395 4656 : }
396 4656 : }
397 :
398 9211 : void SizingLoggerFramework::UpdateSizingLogValuesSystemStep(EnergyPlusData &state)
399 : {
400 9211 : Real64 constexpr MinutesPerHour(60.0);
401 9211 : ZoneTimestepObject tmpztStepStamp;
402 9211 : SystemTimestepObject tmpSysStepStamp;
403 :
404 9211 : tmpztStepStamp = PrepareZoneTimestepStamp(state);
405 :
406 : // prepare system timestep stamp
407 9211 : tmpSysStepStamp.CurMinuteEnd = state.dataOutputProcessor->TimeValue[(int)OutputProcessor::TimeStepType::System].CurMinute;
408 9211 : if (tmpSysStepStamp.CurMinuteEnd == 0.0) {
409 0 : tmpSysStepStamp.CurMinuteEnd = MinutesPerHour;
410 : }
411 9211 : tmpSysStepStamp.CurMinuteStart =
412 9211 : tmpSysStepStamp.CurMinuteEnd - (*state.dataOutputProcessor->TimeValue[(int)OutputProcessor::TimeStepType::System].TimeStep) * MinutesPerHour;
413 9211 : tmpSysStepStamp.TimeStepDuration = *state.dataOutputProcessor->TimeValue[(int)OutputProcessor::TimeStepType::System].TimeStep;
414 :
415 63745 : for (auto &l : logObjs) {
416 54534 : l.FillSysStep(tmpztStepStamp, tmpSysStepStamp);
417 9211 : }
418 9211 : }
419 :
420 13 : void SizingLoggerFramework::IncrementSizingPeriodSet()
421 : {
422 103 : for (auto &l : this->logObjs) {
423 90 : l.ReInitLogForIteration();
424 13 : }
425 13 : }
426 :
427 26 : PlantCoinicidentAnalysis::PlantCoinicidentAnalysis(
428 26 : std::string loopName, int loopIndex, int nodeNum, Real64 density, Real64 cp, int numStepsInAvg, int sizingIndex)
429 : {
430 26 : name = loopName;
431 26 : plantLoopIndex = loopIndex;
432 26 : supplySideInletNodeNum = nodeNum;
433 26 : densityForSizing = density;
434 26 : specificHeatForSizing = cp;
435 26 : numTimeStepsInAvg = numStepsInAvg;
436 26 : plantSizingIndex = sizingIndex;
437 26 : }
438 :
439 36 : void PlantCoinicidentAnalysis::ResolveDesignFlowRate(EnergyPlusData &state, int const HVACSizingIterCount)
440 : {
441 : using DataSizing::GlobalCoolingSizingFactorMode;
442 : using DataSizing::GlobalHeatingSizingFactorMode;
443 : using DataSizing::LoopComponentSizingFactorMode;
444 : using DataSizing::NoSizingFactorMode;
445 :
446 : using namespace DataPlant;
447 : using namespace OutputReportPredefined;
448 : using HVAC::SmallWaterVolFlow;
449 : bool setNewSizes;
450 : Real64 sizingFac;
451 : Real64 normalizedChange;
452 : Real64 newFoundVolFlowRate;
453 : Real64 peakLoadCalculatedMassFlow;
454 36 : std::string chIteration;
455 36 : std::string chSetSizes;
456 36 : std::string chDemandTrapUsed;
457 36 : bool changedByDemand(false);
458 : bool nullStampProblem;
459 :
460 : // first make sure we have valid time stamps to work with
461 36 : if (CheckTimeStampForNull(newFoundMassFlowRateTimeStamp) && CheckTimeStampForNull(NewFoundMaxDemandTimeStamp)) {
462 : // problem, don't have valid stamp, don't have any info to report either
463 0 : nullStampProblem = true;
464 : } else {
465 36 : nullStampProblem = false;
466 : }
467 :
468 36 : previousVolDesignFlowRate = state.dataSize->PlantSizData(plantSizingIndex).DesVolFlowRate;
469 :
470 36 : if (!CheckTimeStampForNull(newFoundMassFlowRateTimeStamp) && (newFoundMassFlowRateTimeStamp.runningAvgDataValue > 0.0)) { // issue 5665, was ||
471 36 : newFoundMassFlowRate = newFoundMassFlowRateTimeStamp.runningAvgDataValue;
472 : } else {
473 0 : newFoundMassFlowRate = 0.0;
474 : }
475 :
476 : // step 3 calculate mdot from max load and delta T
477 71 : if ((!CheckTimeStampForNull(NewFoundMaxDemandTimeStamp) && (NewFoundMaxDemandTimeStamp.runningAvgDataValue > 0.0)) &&
478 35 : ((specificHeatForSizing * state.dataSize->PlantSizData(plantSizingIndex).DeltaT) > 0.0)) {
479 35 : peakLoadCalculatedMassFlow =
480 35 : NewFoundMaxDemandTimeStamp.runningAvgDataValue / (specificHeatForSizing * state.dataSize->PlantSizData(plantSizingIndex).DeltaT);
481 : } else {
482 1 : peakLoadCalculatedMassFlow = 0.0;
483 : }
484 :
485 36 : if (peakLoadCalculatedMassFlow > newFoundMassFlowRate) {
486 22 : changedByDemand = true;
487 : } else {
488 14 : changedByDemand = false;
489 : }
490 36 : newFoundMassFlowRate = max(newFoundMassFlowRate, peakLoadCalculatedMassFlow); // step 4, take larger of the two
491 :
492 36 : newFoundVolFlowRate = newFoundMassFlowRate / densityForSizing;
493 :
494 : // now apply the correct sizing factor depending on input option
495 36 : sizingFac = 1.0;
496 36 : if (state.dataSize->PlantSizData(plantSizingIndex).SizingFactorOption == NoSizingFactorMode) {
497 36 : sizingFac = 1.0;
498 0 : } else if (state.dataSize->PlantSizData(plantSizingIndex).SizingFactorOption == GlobalHeatingSizingFactorMode) {
499 0 : sizingFac = state.dataSize->GlobalHeatSizingFactor;
500 0 : } else if (state.dataSize->PlantSizData(plantSizingIndex).SizingFactorOption == GlobalCoolingSizingFactorMode) {
501 0 : sizingFac = state.dataSize->GlobalCoolSizingFactor;
502 0 : } else if (state.dataSize->PlantSizData(plantSizingIndex).SizingFactorOption == LoopComponentSizingFactorMode) {
503 : // multiplier used for pumps, often 1.0, from component level sizing fractions
504 0 : sizingFac = state.dataPlnt->PlantLoop(plantLoopIndex).LoopSide(LoopSideLocation::Supply).Branch(1).PumpSizFac;
505 : }
506 :
507 36 : newAdjustedMassFlowRate = newFoundMassFlowRate * sizingFac; // apply overall heating or cooling sizing factor
508 :
509 36 : newVolDesignFlowRate = newAdjustedMassFlowRate / densityForSizing;
510 :
511 : // compare threshold,
512 36 : setNewSizes = false;
513 36 : normalizedChange = 0.0;
514 36 : if (newVolDesignFlowRate > SmallWaterVolFlow && !nullStampProblem) { // do not use zero size or bad stamp data
515 :
516 36 : normalizedChange = std::abs((newVolDesignFlowRate - previousVolDesignFlowRate) / previousVolDesignFlowRate);
517 36 : if (normalizedChange > significantNormalizedChange) {
518 25 : anotherIterationDesired = true;
519 25 : setNewSizes = true;
520 : } else {
521 11 : anotherIterationDesired = false;
522 : }
523 : }
524 :
525 36 : if (setNewSizes) {
526 : // set new size values for rest of simulation
527 25 : state.dataSize->PlantSizData(plantSizingIndex).DesVolFlowRate = newVolDesignFlowRate;
528 :
529 25 : if (state.dataPlnt->PlantLoop(plantLoopIndex).MaxVolFlowRateWasAutoSized) {
530 25 : state.dataPlnt->PlantLoop(plantLoopIndex).MaxVolFlowRate = newVolDesignFlowRate;
531 25 : state.dataPlnt->PlantLoop(plantLoopIndex).MaxMassFlowRate = newAdjustedMassFlowRate;
532 : }
533 25 : if (state.dataPlnt->PlantLoop(plantLoopIndex).VolumeWasAutoSized) {
534 : // Note this calculation also appears in PlantManager::SizePlantLoop and PlantManager::ResizePlantLoopLevelSizes
535 25 : state.dataPlnt->PlantLoop(plantLoopIndex).Volume =
536 25 : state.dataPlnt->PlantLoop(plantLoopIndex).MaxVolFlowRate * state.dataPlnt->PlantLoop(plantLoopIndex).CirculationTime * 60.0;
537 25 : state.dataPlnt->PlantLoop(plantLoopIndex).Mass = state.dataPlnt->PlantLoop(plantLoopIndex).Volume * densityForSizing;
538 : }
539 : }
540 :
541 : // add a seperate eio summary report about what happened, did demand trap get used, what were the key values.
542 36 : if (!state.dataGlobal->sizingAnalysisEioHeaderDoneOnce) {
543 11 : print(state.files.eio,
544 : "{}",
545 : "! <Plant Coincident Sizing Algorithm>,Plant Loop Name,Sizing Pass {#},Measured Mass "
546 : "Flow{kg/s},Measured Demand {W},Demand Calculated Mass Flow{kg/s},Sizes Changed {Yes/No},Previous "
547 : "Volume Flow Rate {m3/s},New Volume Flow Rate {m3/s},Demand Check Applied {Yes/No},Sizing Factor "
548 : "{},Normalized Change {},Specific Heat{J/kg-K},Density {kg/m3}\n");
549 11 : state.dataGlobal->sizingAnalysisEioHeaderDoneOnce = true;
550 : }
551 36 : chIteration = fmt::to_string(HVACSizingIterCount);
552 36 : if (setNewSizes) {
553 25 : chSetSizes = "Yes";
554 : } else {
555 11 : chSetSizes = "No";
556 : }
557 36 : if (changedByDemand) {
558 22 : chDemandTrapUsed = "Yes";
559 : } else {
560 14 : chDemandTrapUsed = "No";
561 : }
562 :
563 36 : print(state.files.eio,
564 : "Plant Coincident Sizing Algorithm,{},{},{:.7R},{:.2R},{:.7R},{},{:.6R},{:.6R},{},{:.4R},{:.6R},{:.4R},{:.4R}\n",
565 36 : name,
566 : chIteration,
567 36 : newFoundMassFlowRateTimeStamp.runningAvgDataValue,
568 36 : NewFoundMaxDemandTimeStamp.runningAvgDataValue,
569 : peakLoadCalculatedMassFlow,
570 : chSetSizes,
571 36 : previousVolDesignFlowRate,
572 36 : newVolDesignFlowRate,
573 : chDemandTrapUsed,
574 : sizingFac,
575 : normalizedChange,
576 36 : specificHeatForSizing,
577 36 : densityForSizing);
578 :
579 : // report to sizing summary table called Plant Loop Coincident Design Fluid Flow Rates
580 :
581 72 : PreDefTableEntry(state,
582 36 : state.dataOutRptPredefined->pdchPlantSizPrevVdot,
583 72 : state.dataPlnt->PlantLoop(plantLoopIndex).Name + " Sizing Pass " + chIteration,
584 : previousVolDesignFlowRate,
585 36 : 6);
586 72 : PreDefTableEntry(state,
587 36 : state.dataOutRptPredefined->pdchPlantSizMeasVdot,
588 72 : state.dataPlnt->PlantLoop(plantLoopIndex).Name + " Sizing Pass " + chIteration,
589 : newFoundVolFlowRate,
590 36 : 6);
591 72 : PreDefTableEntry(state,
592 36 : state.dataOutRptPredefined->pdchPlantSizCalcVdot,
593 72 : state.dataPlnt->PlantLoop(plantLoopIndex).Name + " Sizing Pass " + chIteration,
594 : newVolDesignFlowRate,
595 36 : 6);
596 :
597 36 : if (setNewSizes) {
598 75 : PreDefTableEntry(state,
599 25 : state.dataOutRptPredefined->pdchPlantSizCoincYesNo,
600 50 : state.dataPlnt->PlantLoop(plantLoopIndex).Name + " Sizing Pass " + chIteration,
601 : "Yes");
602 : } else {
603 33 : PreDefTableEntry(state,
604 11 : state.dataOutRptPredefined->pdchPlantSizCoincYesNo,
605 22 : state.dataPlnt->PlantLoop(plantLoopIndex).Name + " Sizing Pass " + chIteration,
606 : "No");
607 : }
608 :
609 36 : if (!nullStampProblem) {
610 36 : if (!changedByDemand && !CheckTimeStampForNull(newFoundMassFlowRateTimeStamp)) { // bug fix #5665
611 14 : if (newFoundMassFlowRateTimeStamp.envrnNum > 0) { // protect against invalid index
612 28 : PreDefTableEntry(state,
613 14 : state.dataOutRptPredefined->pdchPlantSizDesDay,
614 28 : state.dataPlnt->PlantLoop(plantLoopIndex).Name + " Sizing Pass " + chIteration,
615 14 : state.dataWeather->Environment(newFoundMassFlowRateTimeStamp.envrnNum).Title);
616 : }
617 28 : PreDefTableEntry(state,
618 14 : state.dataOutRptPredefined->pdchPlantSizPkTimeDayOfSim,
619 28 : state.dataPlnt->PlantLoop(plantLoopIndex).Name + " Sizing Pass " + chIteration,
620 : newFoundMassFlowRateTimeStamp.dayOfSim);
621 28 : PreDefTableEntry(state,
622 14 : state.dataOutRptPredefined->pdchPlantSizPkTimeHour,
623 28 : state.dataPlnt->PlantLoop(plantLoopIndex).Name + " Sizing Pass " + chIteration,
624 14 : newFoundMassFlowRateTimeStamp.hourOfDay - 1);
625 28 : PreDefTableEntry(state,
626 14 : state.dataOutRptPredefined->pdchPlantSizPkTimeMin,
627 28 : state.dataPlnt->PlantLoop(plantLoopIndex).Name + " Sizing Pass " + chIteration,
628 : newFoundMassFlowRateTimeStamp.stepStartMinute,
629 28 : 0);
630 22 : } else if (changedByDemand && !CheckTimeStampForNull(NewFoundMaxDemandTimeStamp)) { // bug fix #5665
631 22 : if (NewFoundMaxDemandTimeStamp.envrnNum > 0) { // protect against invalid index
632 44 : PreDefTableEntry(state,
633 22 : state.dataOutRptPredefined->pdchPlantSizDesDay,
634 44 : state.dataPlnt->PlantLoop(plantLoopIndex).Name + " Sizing Pass " + chIteration,
635 22 : state.dataWeather->Environment(NewFoundMaxDemandTimeStamp.envrnNum).Title);
636 : }
637 44 : PreDefTableEntry(state,
638 22 : state.dataOutRptPredefined->pdchPlantSizPkTimeDayOfSim,
639 44 : state.dataPlnt->PlantLoop(plantLoopIndex).Name + " Sizing Pass " + chIteration,
640 : NewFoundMaxDemandTimeStamp.dayOfSim);
641 44 : PreDefTableEntry(state,
642 22 : state.dataOutRptPredefined->pdchPlantSizPkTimeHour,
643 44 : state.dataPlnt->PlantLoop(plantLoopIndex).Name + " Sizing Pass " + chIteration,
644 22 : NewFoundMaxDemandTimeStamp.hourOfDay - 1);
645 44 : PreDefTableEntry(state,
646 22 : state.dataOutRptPredefined->pdchPlantSizPkTimeMin,
647 44 : state.dataPlnt->PlantLoop(plantLoopIndex).Name + " Sizing Pass " + chIteration,
648 : NewFoundMaxDemandTimeStamp.stepStartMinute,
649 44 : 0);
650 : }
651 : }
652 36 : }
653 :
654 144 : bool PlantCoinicidentAnalysis::CheckTimeStampForNull(ZoneTimestepObject testStamp)
655 : {
656 :
657 144 : bool isNull = true;
658 :
659 144 : if (testStamp.envrnNum != 0) {
660 144 : isNull = false;
661 : }
662 144 : if (testStamp.kindOfSim != Constant::KindOfSim::Invalid) {
663 144 : isNull = false;
664 : }
665 :
666 144 : return isNull;
667 : }
668 : } // namespace EnergyPlus
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