open-ideas · lucasverleyen · Aug 4, 2025 · Aug 4, 2025 · Aug 4, 2025 · Aug 4, 2025
diff --git a/IDEAS/.copiedFiles.txt b/IDEAS/.copiedFiles.txt
diff --git a/IDEAS/.idea/.name b/IDEAS/.idea/.name
diff --git a/IDEAS/Airflow/Multizone/BaseClasses/Examples/PowerLaw.mo b/IDEAS/Airflow/Multizone/BaseClasses/Examples/PowerLaw.mo
@@ -24,7 +24,7 @@ __Dymola_Commands(file="modelica://IDEAS/Resources/Scripts/Dymola/Airflow/Multiz
 <p>
 This examples demonstrates the
 <a href=\"modelica://IDEAS.Airflow.Multizone.BaseClasses.powerLaw\">
-Buildings.Airflow.Multizone.BaseClasses.powerLaw</a>
+IDEAS.Airflow.Multizone.BaseClasses.powerLaw</a>
 function.
 </p>
 </html>", revisions="<html>

diff --git a/IDEAS/Airflow/Multizone/BaseClasses/Examples/PowerLawFixedM.mo b/IDEAS/Airflow/Multizone/BaseClasses/Examples/PowerLawFixedM.mo
@@ -49,10 +49,10 @@ experiment(Tolerance=1e-6, StopTime=1.0),
 <p>
 This examples demonstrates the
 <a href=\"modelica://IDEAS.Airflow.Multizone.BaseClasses.powerLaw\">
-Buildings.Airflow.Multizone.BaseClasses.powerLaw</a>
+IDEAS.Airflow.Multizone.BaseClasses.powerLaw</a>
 and
 <a href=\"modelica://IDEAS.Airflow.Multizone.BaseClasses.powerLawFixedM\">
-Buildings.Airflow.Multizone.BaseClasses.powerLawFixedM</a>
+IDEAS.Airflow.Multizone.BaseClasses.powerLawFixedM</a>
 functions.
 They need to return the same function value.
 This is verified by an <code>assert</code> statement.

diff --git a/IDEAS/Airflow/Multizone/BaseClasses/Examples/package.mo b/IDEAS/Airflow/Multizone/BaseClasses/Examples/package.mo
@@ -7,7 +7,7 @@ annotation (preferredView="info", Documentation(info="<html>
 <p>
 This package contains examples for the use of models that can be found in
 <a href=\"modelica://IDEAS.Airflow.Multizone.BaseClasses\">
-Buildings.Airflow.Multizone.BaseClasses</a>.
+IDEAS.Airflow.Multizone.BaseClasses</a>.
 </p>
 </html>"));
 end Examples;
diff --git a/IDEAS/Airflow/Multizone/BaseClasses/TwoWayFlowElement.mo b/IDEAS/Airflow/Multizone/BaseClasses/TwoWayFlowElement.mo
@@ -169,11 +169,11 @@ This is for
 February 24, 2015 by Michael Wetter:<br/>
 Changed model to use
 <a href=\"modelica://IDEAS.Utilities.Psychrometrics.Functions.density_pTX\">
-Buildings.Utilities.Psychrometrics.Functions.density_pTX</a>
+IDEAS.Utilities.Psychrometrics.Functions.density_pTX</a>
 for the density computation
 as
 <a href=\"modelica://IDEAS.Media.Air.density\">
-Buildings.Media.Air.density</a>
+IDEAS.Media.Air.density</a>
 does not depend on temperature.
 </li>
 <li>June 18, 2014 by Michael Wetter:<br/>

diff --git a/IDEAS/Airflow/Multizone/BaseClasses/package.mo b/IDEAS/Airflow/Multizone/BaseClasses/package.mo
@@ -5,7 +5,7 @@ package BaseClasses "Package with base classes for IDEAS.Airflow.Multizone"
 annotation (preferredView="info", Documentation(info="<html>
 <p>
 This package contains base classes that are used to construct the models in
-<a href=\"modelica://IDEAS.Airflow.Multizone\">Buildings.Airflow.Multizone</a>.
+<a href=\"modelica://IDEAS.Airflow.Multizone\">IDEAS.Airflow.Multizone</a>.
 </p>
 </html>"));
 end BaseClasses;
diff --git a/IDEAS/Airflow/Multizone/BaseClasses/windPressureLowRise.mo b/IDEAS/Airflow/Multizone/BaseClasses/windPressureLowRise.mo
@@ -118,7 +118,7 @@ the current angle of incidence.
 <p>
 This function is used in
 <a href=\"modelica://IDEAS.Fluid.Sources.Outside_CpLowRise\">
-Buildings.Fluid.Sources.Outside_CpLowRise</a>
+IDEAS.Fluid.Sources.Outside_CpLowRise</a>
 which can be used directly with components of this package.
 </p>
 <h4>References</h4>

diff --git a/IDEAS/Airflow/Multizone/DoorDiscretizedOpen.mo b/IDEAS/Airflow/Multizone/DoorDiscretizedOpen.mo
@@ -49,7 +49,7 @@ An orifice equation is used to compute the flow for each compartment.
 In this model, the door is always open.
 Use the model
 <a href=\"modelica://IDEAS.Airflow.Multizone.DoorDiscretizedOperable\">
-Buildings.Airflow.Multizone.DoorDiscretizedOperable</a>
+IDEAS.Airflow.Multizone.DoorDiscretizedOperable</a>
 for a door that can either be open or closed.
 </p>
 </html>",
@@ -79,7 +79,7 @@ as it seems to try negative values for the density during iterative solutions.
 <li>August 12, 2011 by Michael Wetter:<br/>
 Changed model to use the new function
 <a href=\"modelica://IDEAS.Airflow.Multizone.BaseClasses.powerLawFixedM\">
-Buildings.Airflow.Multizone.BaseClasses.powerLawFixedM</a>.
+IDEAS.Airflow.Multizone.BaseClasses.powerLawFixedM</a>.
 </li>
 <li>July 20, 2010 by Michael Wetter:<br/>
 Migrated model to Modelica 3.1 and integrated it into the Buildings library.

diff --git a/IDEAS/Airflow/Multizone/DoorDiscretizedOperable.mo b/IDEAS/Airflow/Multizone/DoorDiscretizedOperable.mo
@@ -136,7 +136,7 @@ as it seems to try negative values for the density during iterative solutions.
 August 12, 2011 by Michael Wetter:<br/>
 Changed model to use the new function
 <a href=\"modelica://IDEAS.Airflow.Multizone.BaseClasses.powerLawFixedM\">
-Buildings.Airflow.Multizone.BaseClasses.powerLawFixedM</a>.
+IDEAS.Airflow.Multizone.BaseClasses.powerLawFixedM</a>.
 </li>
 <li>
 July 20, 2010 by Michael Wetter:<br/>

diff --git a/IDEAS/Airflow/Multizone/Examples/CO2TransportStep.mo b/IDEAS/Airflow/Multizone/Examples/CO2TransportStep.mo
@@ -60,7 +60,7 @@ equation
 <p>
 This model is based on
 <a href=\"modelica://IDEAS.Airflow.Multizone.Validation.ThreeRoomsContam\">
-Buildings.Airflow.Multizone.Validation.ThreeRoomsContam</a>.
+IDEAS.Airflow.Multizone.Validation.ThreeRoomsContam</a>.
 In addition, a CO<sub>2</sub> source has been added to the left room
 in the bottom floor.
 At initial time, all volumes have zero CO<sub>2</sub> concentration.
@@ -85,7 +85,7 @@ Updated comments for
 November 10, 2011, by Michael Wetter:<br/>
 Extended model from
 <a href=\"modelica://IDEAS.Airflow.Multizone.Validation.ThreeRoomsContam\">
-Buildings.Airflow.Multizone.Validation.ThreeRoomsContam</a>
+IDEAS.Airflow.Multizone.Validation.ThreeRoomsContam</a>
 and added documentation.
 </li>
 </ul>

diff --git a/IDEAS/Airflow/Multizone/Examples/ChimneyShaftWithVolume.mo b/IDEAS/Airflow/Multizone/Examples/ChimneyShaftWithVolume.mo
@@ -154,7 +154,7 @@ equation
 <p>
 This model is identical to
 <a href=\"modelica://IDEAS.Airflow.Multizone.Examples.ChimneyShaftNoVolume\">
-Buildings.Airflow.Multizone.Examples.ChimneyShaftNoVolume</a>,
+IDEAS.Airflow.Multizone.Examples.ChimneyShaftNoVolume</a>,
 except that the chimney model is not steady-state, but rather dynamic
 as it contains an air volume. The air volume is approximated
 as being well-mixed. (Stratified volumes could be approximated by

diff --git a/IDEAS/Airflow/Multizone/Examples/ClosedDoors.mo b/IDEAS/Airflow/Multizone/Examples/ClosedDoors.mo
@@ -118,10 +118,10 @@ a small air flow through the doors.
 <p>
 This model uses
 <a href=\"modelica://IDEAS.Media.Specialized.Air.PerfectGas\">
-Buildings.Media.Specialized.Air.PerfectGas</a>
+IDEAS.Media.Specialized.Air.PerfectGas</a>
 as the medium because
 <a href=\"modelica://IDEAS.Media.Air\">
-Buildings.Media.Air</a>
+IDEAS.Media.Air</a>
 does not account for expansion if air the air is heated.
 </p>
 </html>", revisions="<html>

diff --git a/IDEAS/Airflow/Multizone/Examples/package.mo b/IDEAS/Airflow/Multizone/Examples/package.mo
@@ -7,7 +7,7 @@ annotation (preferredView="info", Documentation(info="<html>
 <p>
 This package contains examples for the use of models that can be found in
 <a href=\"modelica://IDEAS.Airflow.Multizone\">
-Buildings.Airflow.Multizone</a>.
+IDEAS.Airflow.Multizone</a>.
 </p>
 </html>"));
 end Examples;
diff --git a/IDEAS/Airflow/Multizone/UsersGuide.mo b/IDEAS/Airflow/Multizone/UsersGuide.mo
@@ -5,7 +5,7 @@ package UsersGuide "User's Guide"
   annotation (preferredView="info",
   Documentation(info="<html>
 <p>
-The package <code>Buildings.Airflow.Multizone</code> contains models for
+The package <code>IDEAS.Airflow.Multizone</code> contains models for
 multizone airflow and contaminant transport.
 </p>
 <p>

diff --git a/IDEAS/Airflow/Multizone/Validation/package.mo b/IDEAS/Airflow/Multizone/Validation/package.mo
@@ -7,7 +7,7 @@ annotation (preferredView="info", Documentation(info="<html>
 <p>
 This package contains validation models for the classes in
 <a href=\"modelica://IDEAS.Airflow.Multizone\">
-Buildings.Airflow.Multizone</a>.
+IDEAS.Airflow.Multizone</a>.
 </p>
 <p>
 Note that most validation models contain simple input data

diff --git a/IDEAS/Airflow/package.mo b/IDEAS/Airflow/package.mo
@@ -11,7 +11,7 @@ models to compute the air flow between different rooms and between
 a room and the exterior environment.
 For models that compute airflow in duct networks, see
 <a href=\"modelica://IDEAS.Fluid\">
-Buildings.Fluid</a>.
+IDEAS.Fluid</a>.
 </html>"),
   Icon(coordinateSystem(preserveAspectRatio=false, extent={{-100,-100},{100,100}}),
       graphics={

diff --git a/IDEAS/BoundaryConditions/SolarIrradiation/BaseClasses/BrighteningCoefficient.mo b/IDEAS/BoundaryConditions/SolarIrradiation/BaseClasses/BrighteningCoefficient.mo
@@ -1,7 +1,6 @@
 within IDEAS.BoundaryConditions.SolarIrradiation.BaseClasses;
 block BrighteningCoefficient "Circumsolar and horizon brightening coefficients"
   extends Modelica.Blocks.Icons.Block;
-  import H = IDEAS.Utilities.Math.Functions.regStep;
   Modelica.Blocks.Interfaces.RealInput zen(
     quantity="Angle",
     unit="rad",
@@ -42,43 +41,42 @@ protected
   Real b7;
   Real b8;
 equation
-  b1 = H(
+  b1 = IDEAS.Utilities.Math.Functions.regStep(
     y1=1,
     y2=0,
     x=1.065 - skyCle,
     x_small=d);
-  b2 = H(
+  b2 = IDEAS.Utilities.Math.Functions.regStep(
     y1=1,
     y2=0,
     x=1.23 - skyCle,
     x_small=d);
-  b3 = H(
+  b3 = IDEAS.Utilities.Math.Functions.regStep(
     y1=1,
     y2=0,
     x=1.50 - skyCle,
     x_small=d);
-  b4 = H(
+  b4 = IDEAS.Utilities.Math.Functions.regStep(
     y1=1,
     y2=0,
     x=1.95 - skyCle,
     x_small=d);
-  b5 = H(
+  b5 = IDEAS.Utilities.Math.Functions.regStep(
     y1=1,
     y2=0,
     x=2.80 - skyCle,
     x_small=d);
-
-  b6 = H(
+  b6 = IDEAS.Utilities.Math.Functions.regStep(
     y1=1,
     y2=0,
     x=4.50 - skyCle,
     x_small=d);
-  b7 = H(
+  b7 = IDEAS.Utilities.Math.Functions.regStep(
     y1=1,
     y2=0,
     x=6.20 - skyCle,
     x_small=d);
-  b8 = H(
+  b8 = IDEAS.Utilities.Math.Functions.regStep(
     y1=1,
     y2=0,
     x=skyCle - 6.20,
@@ -119,6 +117,12 @@ This component computes the circumsolar and horizon brightening coefficients.
 </html>", revisions="<html>
 <ul>
 <li>
+February 7, 2025, by Jelger Jansen:<br/>
+Removed <code>import</code> statement.
+This is for
+<a href=\"https://github.com/ibpsa/modelica-ibpsa/issues/1961\">IBPSA, #1961</a>.
+</li>
+<li>
 April 27, 2018, by Michael Wetter:<br/>
 Corrected <code>displayUnit</code>.<br/>
 This is for

diff --git a/IDEAS/BoundaryConditions/WeatherData/ReaderTMY3.mo b/IDEAS/BoundaryConditions/WeatherData/ReaderTMY3.mo
@@ -1256,35 +1256,59 @@ The following variables serve as output and are accessible via <code>weaBus</cod
 </tr>
 </table>
 <!-- ============================================== -->
-<h4>Adding new weather data</h4>
+<h4>Using new weather data</h4>
 <p>
-To add new weather data, proceed as follows:
+To use new weather data, there are two supported ways:
+</p>
+<ul>
+<li>
+<p>
+You can use the Python tool AixWeather
+(<a href=\"https://github.com/RWTH-EBC/AixWeather\">https://github.com/RWTH-EBC/AixWeather</a>),
+which is installable via <code>pip</code> or accessible via a WebApp (<a href=\"https://aixweather.eonerc.rwth-aachen.de/\">https://aixweather.eonerc.rwth-aachen.de/</a>).
+Here, conversion of <code>epw</code> (EnergyPlus), <code>dat</code> (German Meteorological Service) or custom data 
+to the desired <code>mos</code> format is supported.
+</p>
+</li>
+<li>
+<p>
+You can use a Java application to convert <code>epw</code> to <code>mos</code> format by following these steps:
 </p>
 <ol>
 <li>
+<p>
 Download the weather data file with the <code>epw</code> extension from
 <a href=\"http://energyplus.net/weather\">
 http://energyplus.net/weather</a>.
+</p>
 </li>
 <li>
+<p>
 Add the file to <code>IDEAS/Resources/weatherdata</code> (or to any directory
 for which you have write permission).
+</p>
 </li>
 <li>
-On a console window, type<pre>
+<p>
+On a console window, type</p><pre>
   cd IDEAS/Resources/weatherdata
   java -jar ../bin/ConvertWeatherData.jar inputFile.epw
 </pre>
-  if inputFile contains space in the name:
+<p>
+or if <code>inputFile.epw</code> contains space in the name:
+</p>
 <pre>
   java -jar ../bin/ConvertWeatherData.jar \"inputFile .epw\"
 </pre>
+<p>
 This will generate the weather data file <code>inputFile.mos</code>, which can be read
 by the model
 <a href=\"modelica://IDEAS.BoundaryConditions.WeatherData.ReaderTMY3\">
 IDEAS.BoundaryConditions.WeatherData.ReaderTMY3</a>.
+</p>
 </li>
 </ol>
+</ul>
 <!-- ============================================== -->
 <h4>Location data that are read automatically from the weather data file</h4>
 <p>
@@ -1598,6 +1622,12 @@ Technical Report, NREL/TP-581-43156, revised May 2008.
 </html>", revisions="<html>
 <ul>
 <li>
+May 28, 2025, by Fabian Wuellhorst:<br/>
+Added information on AixWeather to documentation.<br/>
+This is for
+<a href=\"https://github.com/ibpsa/modelica-ibpsa/issues/2017\">IBPSA, #2017</a>.
+</li>
+<li>
 September 6, 2021, by Ettore Zanetti:<br/>
 Changed alt and lat to real inputs.<br/>
 This is for

diff --git a/IDEAS/Controls/OBC/CDL/Constants.mo b/IDEAS/Controls/OBC/CDL/Constants.mo
@@ -0,0 +1,68 @@
+within IDEAS.Controls.OBC.CDL;
+package Constants
+  "Package with constants"
+  // Machine dependent constants
+  final constant Real eps=1E-15
+    "Biggest number such that 1.0 + eps = 1.0";
+  final constant Real small=1E-37
+    "Smallest number such that small and -small are representable on the machine";
+  final constant Real pi=2*Modelica.Math.asin(1.0)
+    "Constant number pi, 3.14159265358979";
+  annotation (
+    Documentation(
+      info="<html>
+<p>
+This package provides often needed constants.
+</p>
+</html>",
+      revisions="<html>
+<ul>
+<li>
+March 12, 2024, by Michael Wetter:<br/>
+Changed <code>small</code> to <i>1E-37</i>.<br/>
+This is for
+<a href=\"https://github.com/lbl-srg/modelica-buildings/issues/3695\">Buildings, issue 3695</a>.
+</li>
+<li>
+March 27, 2017, by Michael Wetter:<br/>
+First implementation, based on the implementation of the
+Modelica Standard Library.
+</li>
+</ul>
+</html>"),
+    Icon(
+      coordinateSystem(
+        extent={{-100.0,-100.0},{100.0,100.0}}),
+      graphics={
+        Rectangle(
+          lineColor={200,200,200},
+          fillColor={248,248,248},
+          fillPattern=FillPattern.HorizontalCylinder,
+          extent={{-100.0,-100.0},{100.0,100.0}},
+          radius=25.0),
+        Polygon(
+          origin={-9.2597,25.6673},
+          fillColor={102,102,102},
+          pattern=LinePattern.None,
+          fillPattern=FillPattern.Solid,
+          points={{48.017,11.336},{48.017,11.336},{10.766,11.336},{-25.684,10.95},{-34.944,-15.111},{-34.944,-15.111},{-32.298,-15.244},{-32.298,-15.244},{-22.112,0.168},{11.292,0.234},{48.267,-0.097},{48.267,-0.097}},
+          smooth=Smooth.Bezier),
+        Polygon(
+          origin={-19.9923,-8.3993},
+          fillColor={102,102,102},
+          pattern=LinePattern.None,
+          fillPattern=FillPattern.Solid,
+          points={{3.239,37.343},{3.305,37.343},{-0.399,2.683},{-16.936,-20.071},{-7.808,-28.604},{6.811,-22.519},{9.986,37.145},{9.986,37.145}},
+          smooth=Smooth.Bezier),
+        Polygon(
+          origin={23.753,-11.5422},
+          fillColor={102,102,102},
+          pattern=LinePattern.None,
+          fillPattern=FillPattern.Solid,
+          points={{-10.873,41.478},{-10.873,41.478},{-14.048,-4.162},{-9.352,-24.8},{7.912,-24.469},{16.247,0.27},{16.247,0.27},{13.336,0.071},{13.336,0.071},{7.515,-9.983},{-3.134,-7.271},{-2.671,41.214},{-2.671,41.214}},
+          smooth=Smooth.Bezier),
+        Rectangle(
+          lineColor={128,128,128},
+          extent={{-100.0,-100.0},{100.0,100.0}},
+          radius=25.0)}));
+end Constants;