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47 :
48 : #ifndef HeatBalFiniteDiffManager_hh_INCLUDED
49 : #define HeatBalFiniteDiffManager_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/DataHeatBalance.hh>
59 : #include <EnergyPlus/EnergyPlus.hh>
60 : #include <EnergyPlus/Material.hh>
61 :
62 : namespace EnergyPlus {
63 :
64 : // Forward declarations
65 : struct EnergyPlusData;
66 :
67 : namespace HeatBalFiniteDiffManager {
68 :
69 : Real64 constexpr TempInitValue(23.0); // Initialization value for Temperature
70 : Real64 constexpr RhovInitValue(0.0115); // Initialization value for Rhov
71 : Real64 constexpr EnthInitValue(100.0); // Initialization value for Enthalpy
72 : constexpr Real64 smalldiff(1.e-8); // Used in places where "equality" tests should not be used.
73 : constexpr Real64 MinTempLimit = -100.0; // lower limit check, degree C
74 : constexpr Real64 MaxTempLimit = 100.0; // upper limit check, degree C
75 :
76 : enum class CondFDScheme
77 : {
78 : Invalid = -1,
79 : CrankNicholsonSecondOrder, // original CondFD scheme. semi implicit, second order in time
80 : FullyImplicitFirstOrder, // fully implicit scheme, first order in time.
81 : Num
82 : };
83 :
84 : static constexpr std::array<std::string_view, static_cast<int>(CondFDScheme::Num)> CondFDSchemeTypeNamesCC = {"CrankNicholsonSecondOrder",
85 : "FullyImplicitFirstOrder"};
86 : static constexpr std::array<std::string_view, static_cast<int>(CondFDScheme::Num)> CondFDSchemeTypeNamesUC = {"CRANKNICHOLSONSECONDORDER",
87 : "FULLYIMPLICITFIRSTORDER"};
88 :
89 105 : struct ConstructionDataFD
90 : {
91 : // Members
92 : Array1D_string Name; // Name of construction
93 : Array1D<Real64> DelX;
94 : Array1D<Real64> TempStability;
95 : Array1D<Real64> MoistStability;
96 : Array1D_int NodeNumPoint;
97 : Array1D<Real64> Thickness;
98 : Array1D<Real64> NodeXlocation; // sized to TotNode, contains X distance in m from outside face
99 : int TotNodes;
100 : int DeltaTime;
101 :
102 : // Default Constructor
103 11 : ConstructionDataFD() : TotNodes(0), DeltaTime(0)
104 : {
105 11 : }
106 : };
107 :
108 2597 : struct MaterialActuatorData
109 : {
110 : std::string actuatorName;
111 : bool isActuated;
112 : Real64 actuatedValue;
113 :
114 393 : MaterialActuatorData() : isActuated(false), actuatedValue(0.0)
115 : {
116 393 : }
117 : };
118 :
119 295 : struct SurfaceDataFD
120 : {
121 : // Members
122 : Array1D<Real64> T;
123 : Array1D<Real64> TOld;
124 : Array1D<Real64> TT;
125 : Array1D<Real64> Rhov;
126 : Array1D<Real64> RhovOld;
127 : Array1D<Real64> RhoT;
128 : Array1D<Real64> TD;
129 : Array1D<Real64> TDT;
130 : Array1D<Real64> TDTLast;
131 : Array1D<Real64> TDOld;
132 : Array1D<Real64> TDreport; // Node temperatures for reporting [C]
133 : Array1D<Real64> RH;
134 : Array1D<Real64> RHreport;
135 : Array1D<Real64> EnthOld; // Current node enthalpy
136 : Array1D<Real64> EnthNew; // Node enthalpy at new time
137 : Array1D<Real64> EnthLast;
138 : Array1D<Real64> QDreport; // Node heat flux for reporting [W/m2] positive is flow towards inside face of surface
139 : Array1D<Real64> CpDelXRhoS1; // Current outer half-node Cp * DelX * RhoS / Delt
140 : Array1D<Real64> CpDelXRhoS2; // Current inner half-node Cp * DelX * RhoS / Delt
141 : Array1D<Real64> TDpriortimestep; // Node temperatures from previous timestep
142 : int SourceNodeNum; // Node number for internal source layer (zero if no source)
143 : Real64 QSource; // Internal source flux [W/m2]
144 : int GSloopCounter; // count of inner loop iterations
145 : int GSloopErrorCount; // recurring error counter
146 : Real64 MaxNodeDelTemp; // largest change in node temps after calc
147 : Real64 EnthalpyM; // Melting enthalpy at a particular temperature
148 : Real64 EnthalpyF; // Freezing enthalpy at a particular temperature
149 : Array1D<int> PhaseChangeState;
150 : Array1D<int> PhaseChangeStateOld;
151 : Array1D<int> PhaseChangeStateOldOld;
152 : Array1D<Real64> PhaseChangeTemperatureReverse;
153 : Array1D<MaterialActuatorData> condMaterialActuators;
154 : Array1D<MaterialActuatorData> specHeatMaterialActuators;
155 : Array1D<MaterialActuatorData> heatSourceFluxMaterialActuators;
156 : Array1D<Real64> condNodeReport;
157 : Array1D<Real64> specHeatNodeReport;
158 : // Includes the internal heat source
159 : Array1D<Real64> heatSourceInternalFluxLayerReport;
160 : Array1D<Real64> heatSourceInternalFluxEnergyLayerReport;
161 : // Includes the EMS heat source
162 : Array1D<Real64> heatSourceEMSFluxLayerReport;
163 : Array1D<Real64> heatSourceEMSFluxEnergyLayerReport;
164 :
165 : // Default Constructor
166 11 : SurfaceDataFD()
167 11 : : SourceNodeNum(0), QSource(0.0), GSloopCounter(0), GSloopErrorCount(0), MaxNodeDelTemp(0.0), EnthalpyM(0.0), EnthalpyF(0.0),
168 11 : PhaseChangeState(0)
169 : {
170 11 : }
171 :
172 1507392 : inline void UpdateMoistureBalance()
173 : {
174 : // Based on UpdateMoistureBalanceFD by Richard Liesen
175 : // Brought into class for performance
176 1507392 : TOld = T;
177 1507392 : RhovOld = Rhov;
178 1507392 : TDOld = TDreport;
179 1507392 : }
180 : };
181 :
182 777 : struct MaterialDataFD
183 : {
184 : // Members
185 : Real64 tk1; // Temperature coefficient for thermal conductivity
186 : int numTempEnth; // number of Temperature/Enthalpy pairs
187 : int numTempCond; // number of Temperature/Conductivity pairs
188 : Array2D<Real64> TempEnth; // Temperature enthalpy Function Pairs,
189 : // TempEnth(1,1)= first Temp, TempEnth(1,2) = First Enthalpy,
190 : // TempEnth(2,1) = secomd Temp, etc.
191 : Array2D<Real64> TempCond; // Temperature thermal conductivity Function Pairs,
192 : // TempCond(1,1)= first Temp, Tempcond(1,2) = First conductivity,
193 : // TempEnth(2,1) = secomd Temp, etc.
194 :
195 : // Default Constructor
196 11 : MaterialDataFD() : tk1(0.0), numTempEnth(0), numTempCond(0)
197 : {
198 11 : }
199 : };
200 :
201 : void ManageHeatBalFiniteDiff(EnergyPlusData &state,
202 : int SurfNum,
203 : Real64 &SurfTempInTmp, // INSIDE SURFACE TEMPERATURE OF EACH HEAT TRANSFER SURF.
204 : Real64 &TempSurfOutTmp // Outside Surface Temperature of each Heat Transfer Surface
205 : );
206 :
207 : void GetCondFDInput(EnergyPlusData &state);
208 :
209 : void InitHeatBalFiniteDiff(EnergyPlusData &state);
210 :
211 : void InitialInitHeatBalFiniteDiff(EnergyPlusData &state);
212 :
213 : int numNodesInMaterialLayer(EnergyPlusData &state, std::string const &surfName, std::string const &matName);
214 :
215 : void CalcHeatBalFiniteDiff(EnergyPlusData &state,
216 : int Surf,
217 : Real64 &SurfTempInTmp, // INSIDE SURFACE TEMPERATURE OF EACH HEAT TRANSFER SURF.
218 : Real64 &TempSurfOutTmp // Outside Surface Temperature of each Heat Transfer Surface
219 : );
220 :
221 : void ReportFiniteDiffInits(EnergyPlusData &state);
222 :
223 : void CalcNodeHeatFlux(EnergyPlusData &state,
224 : int Surf, // surface number
225 : int TotNodes // number of nodes in surface
226 : );
227 :
228 : Real64 terpld(Array2<Real64> const &a, Real64 x1, int nind, int ndep);
229 :
230 : void ExteriorBCEqns(EnergyPlusData &state,
231 : int Delt, // Time Increment
232 : int i, // Node Index
233 : int Lay, // Layer Number for Construction
234 : int Surf, // Surface number
235 : Array1D<Real64> const &T, // Old node Temperature in MFD finite difference solution
236 : Array1D<Real64> &TT, // New node Temperature in MFD finite difference solution.
237 : Array1D<Real64> const &Rhov, // MFD Nodal Vapor Density[kg/m3] and is the old or last time step result.
238 : Array1D<Real64> &RhoT, // MFD vapor density for the new time step.
239 : Array1D<Real64> &RH, // Nodal relative humidity
240 : Array1D<Real64> const &TD, // The old dry Temperature at each node for the CondFD algorithm..
241 : Array1D<Real64> &TDT, // The current or new Temperature at each node location for the CondFD solution..
242 : Array1D<Real64> &EnthOld, // Old Nodal enthalpy
243 : Array1D<Real64> &EnthNew, // New Nodal enthalpy
244 : int TotNodes, // Total nodes in layer
245 : Real64 HMovInsul // Conductance of movable(transparent) insulation.
246 : );
247 :
248 : void InteriorNodeEqns(EnergyPlusData &state,
249 : int Delt, // Time Increment
250 : int i, // Node Index
251 : int Lay, // Layer Number for Construction
252 : int Surf, // Surface number
253 : Array1D<Real64> const &T, // INSIDE SURFACE TEMPERATURE OF EACH HEAT TRANSFER SURF.
254 : Array1D<Real64> &TT, // INSIDE SURFACE TEMPERATURE OF EACH HEAT TRANSFER SURF.
255 : Array1D<Real64> const &Rhov, // INSIDE SURFACE TEMPERATURE OF EACH HEAT TRANSFER SURF.
256 : Array1D<Real64> &RhoT, // INSIDE SURFACE TEMPERATURE OF EACH HEAT TRANSFER SURF.
257 : Array1D<Real64> &RH, // INSIDE SURFACE TEMPERATURE OF EACH HEAT TRANSFER SURF.
258 : Array1D<Real64> const &TD, // INSIDE SURFACE TEMPERATURE OF EACH HEAT TRANSFER SURF.
259 : Array1D<Real64> &TDT, // INSIDE SURFACE TEMPERATURE OF EACH HEAT TRANSFER SURF.
260 : Array1D<Real64> &EnthOld, // Old Nodal enthalpy
261 : Array1D<Real64> &EnthNew // New Nodal enthalpy
262 : );
263 :
264 : void IntInterfaceNodeEqns(EnergyPlusData &state,
265 : int Delt, // Time Increment
266 : int i, // Node Index
267 : int Lay, // Layer Number for Construction
268 : int Surf, // Surface number
269 : Array1D<Real64> const &T, // INSIDE SURFACE TEMPERATURE OF EACH HEAT TRANSFER SURF.
270 : Array1D<Real64> &TT, // INSIDE SURFACE TEMPERATURE OF EACH HEAT TRANSFER SURF.
271 : Array1D<Real64> const &Rhov, // INSIDE SURFACE TEMPERATURE OF EACH HEAT TRANSFER SURF.
272 : Array1D<Real64> &RhoT, // INSIDE SURFACE TEMPERATURE OF EACH HEAT TRANSFER SURF.
273 : Array1D<Real64> &RH, // RELATIVE HUMIDITY.
274 : Array1D<Real64> const &TD, // OLD NODE TEMPERATURES OF EACH HEAT TRANSFER SURF IN CONDFD.
275 : Array1D<Real64> &TDT, // NEW NODE TEMPERATURES OF EACH HEAT TRANSFER SURF IN CONDFD.
276 : Array1D<Real64> const &EnthOld, // Old Nodal enthalpy
277 : Array1D<Real64> &EnthNew, // New Nodal enthalpy
278 : int GSiter // Iteration number of Gauss Seidell iteration
279 : );
280 :
281 : void InteriorBCEqns(EnergyPlusData &state,
282 : int Delt, // Time Increment
283 : int i, // Node Index
284 : int Lay, // Layer Number for Construction
285 : int Surf, // Surface number
286 : Array1D<Real64> const &T, // INSIDE SURFACE TEMPERATURE OF EACH HEAT TRANSFER SURF (Old).
287 : Array1D<Real64> &TT, // INSIDE SURFACE TEMPERATURE OF EACH HEAT TRANSFER SURF (New).
288 : Array1D<Real64> const &Rhov, // INSIDE SURFACE TEMPERATURE OF EACH HEAT TRANSFER SURF.
289 : Array1D<Real64> &RhoT, // INSIDE SURFACE TEMPERATURE OF EACH HEAT TRANSFER SURF.
290 : Array1D<Real64> &RH, // INSIDE SURFACE TEMPERATURE OF EACH HEAT TRANSFER SURF.
291 : Array1D<Real64> const &TD, // INSIDE SURFACE TEMPERATURE OF EACH HEAT TRANSFER SURF.
292 : Array1D<Real64> &TDT, // INSIDE SURFACE TEMPERATURE OF EACH HEAT TRANSFER SURF.
293 : Array1D<Real64> &EnthOld, // Old Nodal enthalpy
294 : Array1D<Real64> &EnthNew, // New Nodal enthalpy
295 : Array1D<Real64> &TDreport // Temperature value from previous HeatSurfaceHeatManager titeration's value
296 : );
297 :
298 : void CheckFDSurfaceTempLimits(EnergyPlusData &state,
299 : int SurfNum, // surface number
300 : Real64 CheckTemperature // calculated temperature, not reset
301 : );
302 :
303 : void adjustPropertiesForPhaseChange(EnergyPlusData &state,
304 : int finiteDifferenceLayerIndex,
305 : int surfaceIndex,
306 : const Material::MaterialProperties &materialDefinition,
307 : Real64 temperaturePrevious,
308 : Real64 temperatureUpdated,
309 : Real64 &updatedSpecificHeat,
310 : Real64 &updatedDensity,
311 : Real64 &updatedThermalConductivity);
312 :
313 : bool findAnySurfacesUsingConstructionAndCondFD(EnergyPlusData &state, int const constructionNum);
314 :
315 : } // namespace HeatBalFiniteDiffManager
316 :
317 1542 : struct HeatBalFiniteDiffMgr : BaseGlobalStruct
318 : {
319 : Array1D<Real64> SigmaR; // Total Resistance of construction layers
320 : Array1D<Real64> SigmaC; // Total Capacitance of construction layers
321 :
322 : Array1D<Real64> QHeatInFlux; // HeatFlux on Surface for reporting
323 : Array1D<Real64> QHeatOutFlux; // HeatFlux on Surface for reporting
324 :
325 : HeatBalFiniteDiffManager::CondFDScheme CondFDSchemeType =
326 : HeatBalFiniteDiffManager::CondFDScheme::FullyImplicitFirstOrder; // solution scheme for CondFD - default
327 : Real64 SpaceDescritConstant = 3.0; // spatial descritization constant,
328 : int MaxGSiter = 30; // maximum number of Gauss Seidel iterations
329 : Real64 fracTimeStepZone_Hour = 0.0;
330 : bool GetHBFiniteDiffInputFlag = true;
331 : int WarmupSurfTemp = 0;
332 :
333 : // Object Data
334 : Array1D<HeatBalFiniteDiffManager::ConstructionDataFD> ConstructFD;
335 : Array1D<HeatBalFiniteDiffManager::SurfaceDataFD> SurfaceFD;
336 : Array1D<HeatBalFiniteDiffManager::MaterialDataFD> MaterialFD;
337 : bool MyEnvrnFlag = true;
338 :
339 0 : void clear_state() override
340 : {
341 0 : this->SigmaR.deallocate();
342 0 : this->SigmaC.deallocate();
343 0 : this->QHeatInFlux.deallocate();
344 0 : this->QHeatOutFlux.deallocate();
345 0 : this->CondFDSchemeType = HeatBalFiniteDiffManager::CondFDScheme::FullyImplicitFirstOrder;
346 0 : this->SpaceDescritConstant = 3.0;
347 0 : this->MaxGSiter = 30;
348 0 : this->fracTimeStepZone_Hour = 0.0;
349 0 : this->GetHBFiniteDiffInputFlag = true;
350 0 : this->WarmupSurfTemp = 0;
351 0 : this->ConstructFD.deallocate();
352 0 : this->SurfaceFD.deallocate();
353 0 : this->MaterialFD.deallocate();
354 0 : this->MyEnvrnFlag = true;
355 0 : }
356 : };
357 :
358 : } // namespace EnergyPlus
359 :
360 : #endif
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