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1 : // EnergyPlus, Copyright (c) 1996-2023, 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
4 : // National Laboratory, managed by UT-Battelle, Alliance for Sustainable Energy, LLC, and other
5 : // contributors. All rights reserved.
6 : //
7 : // NOTICE: This Software was developed under funding from the U.S. Department of Energy and the
8 : // U.S. Government consequently retains certain rights. As such, the U.S. Government has been
9 : // granted for itself and others acting on its behalf a paid-up, nonexclusive, irrevocable,
10 : // worldwide license in the Software to reproduce, distribute copies to the public, prepare
11 : // derivative works, and perform publicly and display publicly, and to permit others to do so.
12 : //
13 : // Redistribution and use in source and binary forms, with or without modification, are permitted
14 : // provided that the following conditions are met:
15 : //
16 : // (1) Redistributions of source code must retain the above copyright notice, this list of
17 : // conditions and the following disclaimer.
18 : //
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20 : // conditions and the following disclaimer in the documentation and/or other materials
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24 : // the University of Illinois, U.S. Dept. of Energy nor the names of its contributors may be
25 : // used to endorse or promote products derived from this software without specific prior
26 : // written permission.
27 : //
28 : // (4) Use of EnergyPlus(TM) Name. If Licensee (i) distributes the software in stand-alone form
29 : // without changes from the version obtained under this License, or (ii) Licensee makes a
30 : // reference solely to the software portion of its product, Licensee must refer to the
31 : // software as "EnergyPlus version X" software, where "X" is the version number Licensee
32 : // obtained under this License and may not use a different name for the software. Except as
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47 :
48 : #ifndef DataEnvironment_hh_INCLUDED
49 : #define DataEnvironment_hh_INCLUDED
50 :
51 : // ObjexxFCL Headers
52 : #include <ObjexxFCL/Array1D.hh>
53 :
54 : // EnergyPlus Headers
55 : #include <EnergyPlus/Data/BaseData.hh>
56 : #include <EnergyPlus/EnergyPlus.hh>
57 :
58 : namespace EnergyPlus {
59 :
60 : // Forward declarations
61 : struct EnergyPlusData;
62 :
63 : namespace DataEnvironment {
64 :
65 : Real64 constexpr EarthRadius(6356000.0); // Radius of the Earth (m)
66 : Real64 constexpr AtmosphericTempGradient(0.0065); // Standard atmospheric air temperature gradient (K/m)
67 : Real64 constexpr SunIsUpValue(0.00001); // if Cos Zenith Angle of the sun is >= this value, the sun is "up"
68 : Real64 constexpr StdPressureSeaLevel(101325.0); // Standard barometric pressure at sea level (Pa)
69 :
70 : Real64 OutDryBulbTempAt(EnergyPlusData &state, Real64 Z); // Height above ground (m)
71 :
72 : Real64 OutWetBulbTempAt(EnergyPlusData &state, Real64 Z); // Height above ground (m)
73 :
74 : Real64 OutDewPointTempAt(EnergyPlusData &state, Real64 Z); // Height above ground (m)
75 :
76 : Real64 WindSpeedAt(EnergyPlusData &state, Real64 Z); // Height above ground (m)
77 :
78 : Real64 OutBaroPressAt(EnergyPlusData &state, Real64 Z); // Height above ground (m)
79 :
80 : void SetOutBulbTempAt_error(EnergyPlusData &state, std::string const &Settings, Real64 max_height, std::string const &SettingsName);
81 :
82 : } // namespace DataEnvironment
83 :
84 1542 : struct EnvironmentData : BaseGlobalStruct
85 : {
86 :
87 : Real64 BeamSolarRad = 0.0; // Current beam normal solar irradiance
88 : bool EMSBeamSolarRadOverrideOn = false; // EMS flag for beam normal solar irradiance
89 : Real64 EMSBeamSolarRadOverrideValue = 0.0; // EMS override value for beam normal solar irradiance
90 : int DayOfMonth = 0; // Current day of the month
91 : int DayOfMonthTomorrow = 0; // Tomorrow's day of the month
92 : int DayOfWeek = 0; // Current day of the week (Sunday=1, Monday=2, ...)
93 : int DayOfWeekTomorrow = 0; // Tomorrow's day of the week (Sunday=1, Monday=2, ...)
94 : int DayOfYear = 0; // Current day of the year (01JAN=1, 02JAN=2, ...)
95 : int DayOfYear_Schedule = 0; // Schedule manager always assumes leap years...
96 : Real64 DifSolarRad = 0.0; // Current sky diffuse solar horizontal irradiance
97 : bool EMSDifSolarRadOverrideOn = false; // EMS flag for sky diffuse solar horizontal irradiance
98 : Real64 EMSDifSolarRadOverrideValue = 0.0; // EMS override value for sky diffuse solar horizontal irradiance
99 : int DSTIndicator = 0; // Daylight Saving Time Indicator (1=yes, 0=no) for Today
100 : Real64 Elevation = 0.0; // Elevation of this building site
101 : bool EndMonthFlag = false; // Set to true on last day of month
102 : bool EndYearFlag = false; // Set to true on the last day of year
103 : Real64 GndReflectanceForDayltg = 0.0; // Ground visible reflectance for use in daylighting calc
104 : Real64 GndReflectance = 0.0; // Ground visible reflectance from input
105 : Real64 GndSolarRad = 0.0; // Current ground reflected radiation
106 : Real64 GroundTemp = 0.0; // Current ground temperature {C}
107 : Real64 GroundTempKelvin = 0.0; // Current ground temperature {K}
108 : Real64 GroundTempFC = 0.0; // Current ground temperature defined for F or C factor method {C}
109 : Real64 GroundTemp_Surface = 0.0; // Current surface ground temperature {C}
110 : Real64 GroundTemp_Deep = 0.0; // Current deep ground temperature
111 : int HolidayIndex = 0; // Indicates whether current day is a holiday and if so what type - HolidayIndex=(0-no holiday, 1-holiday type 1, ...)
112 : int HolidayIndexTomorrow = 0; // Tomorrow's Holiday Index
113 : bool IsRain = false; // Surfaces are wet for this time interval
114 : bool IsSnow = false; // Snow on the ground for this time interval
115 : Real64 Latitude = 0.0; // Latitude of building location
116 : Real64 Longitude = 0.0; // Longitude of building location
117 : int Month = 0; // Current calendar month
118 : int MonthTomorrow = 0; // Tomorrow's calendar month
119 : Real64 OutBaroPress = 0.0; // Current outdoor air barometric pressure
120 : Real64 OutDryBulbTemp = 0.0; // Current outdoor air dry bulb temperature
121 : bool EMSOutDryBulbOverrideOn = false; // EMS flag for outdoor air dry bulb temperature
122 : Real64 EMSOutDryBulbOverrideValue = 0.0; // EMS override value for outdoor air dry bulb temperature
123 : Real64 OutHumRat = 0.0; // Current outdoor air humidity ratio
124 : Real64 OutRelHum = 0.0; // Current outdoor relative humidity [%]
125 : Real64 OutRelHumValue = 0.0; // Current outdoor relative humidity value [0.0-1.0]
126 : bool EMSOutRelHumOverrideOn = false; // EMS flag for outdoor relative humidity value
127 : Real64 EMSOutRelHumOverrideValue = 0.0; // EMS override value for outdoor relative humidity value
128 : Real64 OutEnthalpy = 0.0; // Current outdoor enthalpy
129 : Real64 OutAirDensity = 0.0; // Current outdoor air density
130 : Real64 OutWetBulbTemp = 0.0; // Current outdoor air wet bulb temperature
131 : Real64 OutDewPointTemp = 0.0; // Current outdoor dewpoint temperature
132 : bool EMSOutDewPointTempOverrideOn = false; // EMS flag for outdoor dewpoint temperature
133 : Real64 EMSOutDewPointTempOverrideValue = 0.0; // EMS override value for outdoor dewpoint temperature
134 : Real64 SkyTemp = 0.0; // Current sky temperature {C}
135 : Real64 SkyTempKelvin = 0.0; // Current sky temperature {K}
136 : Real64 LiquidPrecipitation = 0.0; // Current liquid precipitation amount (rain) {m}
137 : bool SunIsUp = false; // True when Sun is over horizon, False when not
138 : bool SunIsUpPrevTS = false; // True when Sun is over horizon in the previous timestep, False when not in the previous timestep
139 : bool PreviousSolRadPositive = false; // True when Sun is over horizon at the previous timestep, and BeamSolarRad + GndSolarRad + DifSolarRad > 0.0
140 : Real64 WindDir = 0.0; // Current outdoor air wind direction
141 : bool EMSWindDirOverrideOn = false; // EMS flag for outdoor air wind direction
142 : Real64 EMSWindDirOverrideValue = 0.0; // EMS override value for outdoor air wind direction
143 : Real64 WindSpeed = 0.0; // Current outdoor air wind speed
144 : bool EMSWindSpeedOverrideOn = false; // EMS flag for outdoor air wind speed
145 : Real64 EMSWindSpeedOverrideValue = false; // EMS override value for outdoor air wind speed
146 : Real64 WaterMainsTemp = 0.0; // Current water mains temperature
147 : int Year = 0; // Current calendar year of the simulation from the weather file
148 : int YearTomorrow = 0; // Tomorrow's calendar year of the simulation
149 : Array1D<Real64> SOLCOS = Array1D<Real64>(3); // Solar direction cosines at current time step
150 : Real64 CloudFraction = 0.0; // Fraction of sky covered by clouds
151 : Real64 HISKF = 0.0; // Exterior horizontal illuminance from sky (lux).
152 : Real64 HISUNF = 0.0; // Exterior horizontal beam illuminance (lux)
153 : Real64 HISUNFnorm = 0.0; // Exterior beam normal illuminance (lux)
154 : Real64 PDIRLW = 0.0; // Luminous efficacy (lum/W) of beam solar radiation
155 : Real64 PDIFLW = 0.0; // Luminous efficacy (lum/W) of sky diffuse solar radiation
156 : Real64 SkyClearness = 0.0; // Sky clearness (see subr. DayltgLuminousEfficacy)
157 : Real64 SkyBrightness = 0.0; // Sky brightness (see subr. DayltgLuminousEfficacy)
158 : Real64 TotalCloudCover = 5.0; // Total Sky Cover (tenth of sky)
159 : Real64 OpaqueCloudCover = 5.0; // Opaque Sky Cover (tenth of sky)
160 : Real64 StdBaroPress = DataEnvironment::StdPressureSeaLevel; // Standard "atmospheric pressure" based on elevation (ASHRAE HOF p6.1)
161 : Real64 StdRhoAir = 0.0; // Standard "rho air" set in WeatherManager - based on StdBaroPress
162 : Real64 rhoAirSTP = 0.0; // Standard density of dry air at 101325 Pa, 20.0C temperature
163 : Real64 TimeZoneNumber = 0.0; // Time Zone Number of building location
164 : Real64 TimeZoneMeridian = 0.0; // Standard Meridian of TimeZone
165 : std::string EnvironmentName; // Current environment name (longer for weather file names)
166 : std::string WeatherFileLocationTitle; // Location Title from Weather File
167 : std::string CurMnDyHr; // Current Month/Day/Hour timestamp info
168 : std::string CurMnDy; // Current Month/Day timestamp info
169 : std::string CurMnDyYr; // Current Month/Day/Year timestamp info
170 : int CurEnvirNum = 0; // current environment number
171 : int TotDesDays = 0; // Total number of Design days to Setup
172 : int TotRunDesPersDays = 0; // Total number of Run Design Periods [Days] (Weather data) to Setup
173 : int CurrentOverallSimDay = 0; // Count of current simulation day in total of all sim days
174 : int TotalOverallSimDays = 0; // Count of all possible simulation days in all environments
175 : int MaxNumberSimYears = 0; // Maximum number of simulation years requested in all RunPeriod statements
176 : int RunPeriodStartDayOfWeek = 0; // Day of week of the first day of the run period. (or design day - day of week)
177 : Real64 CosSolarDeclinAngle = 0.0; // Cosine of the solar declination angle
178 : Real64 EquationOfTime = 0.0; // Value of the equation of time formula
179 : Real64 SinLatitude = 0.0; // Sine of Latitude
180 : Real64 CosLatitude = 0.0; // Cosine of Latitude
181 : Real64 SinSolarDeclinAngle = 0.0; // Sine of the solar declination angle
182 : Real64 TS1TimeOffset = -0.5; // offset when TS=1 for solar calculations
183 : Real64 WeatherFileWindModCoeff = 1.5863; // =(WindBLHeight/WindSensorHeight)**WindExp for conditions at the weather station
184 : Real64 WeatherFileTempModCoeff = 0.0; // =AtmosphericTempGradient*EarthRadius*SensorHeight/(EarthRadius+SensorHeight)
185 : Real64 SiteWindExp = 0.22; // Exponent for the wind velocity profile at the site
186 : Real64 SiteWindBLHeight = 370.0; // Boundary layer height for the wind velocity profile at the site (m)
187 : Real64 SiteTempGradient = 0.0065; // Air temperature gradient coefficient (K/m)
188 : bool GroundTempObjInput = false; // Ground temperature object input
189 : bool GroundTemp_SurfaceObjInput = false; // Surface ground temperature object input
190 : bool GroundTemp_DeepObjInput = false; // Deep ground temperature object input
191 : bool FCGroundTemps = false;
192 : bool DisplayWeatherMissingDataWarnings = false; // Display missing/out of range weather warnings
193 : bool IgnoreSolarRadiation = false; // TRUE if all solar radiation is to be ignored
194 : bool IgnoreBeamRadiation = false; // TRUE if beam (aka direct normal) radiation is to be ignored
195 : bool IgnoreDiffuseRadiation = false; // TRUE if diffuse horizontal radiation is to be ignored
196 : bool PrintEnvrnStampWarmup = false;
197 : bool PrintEnvrnStampWarmupPrinted = false;
198 : bool RunPeriodEnvironment = false; // True if Run Period, False if DesignDay
199 : int StartYear = 0; // Start year for Environment
200 : int EndYear = 0; // End year for Environment
201 : std::string EnvironmentStartEnd; // Start/End dates for Environment
202 : bool CurrentYearIsLeapYear =
203 : false; // true when current year is leap year (convoluted logic dealing with whether weather file allows leap years, runperiod inputs.
204 : int varyingLocationSchedIndexLat = 0;
205 : int varyingLocationSchedIndexLong = 0;
206 : int varyingOrientationSchedIndex = 0;
207 : bool forceBeginEnvResetSuppress = false; // for PerformancePrecisionTradeoffs
208 : bool oneTimeCompRptHeaderFlag = true;
209 :
210 0 : void clear_state() override
211 : {
212 0 : *this = EnvironmentData();
213 0 : }
214 : };
215 :
216 : } // namespace EnergyPlus
217 :
218 : #endif
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