Modelica Buildings library - Version 12.0.0

Version 12.0.0 is a major release that adds various new packages and models.

The library has been tested with Dymola 2025x, OpenModelica 1.24.0, OPTIMICA 1.55.11 and recent versions of Impact.

The following major changes have been done compared to release 11.1.0:

• The EnergyPlus coupling has been update to EnergyPlus 24.2.0, and the implementation that uses EnergyPlus 9.6.0 has been moved to the Obsolete package.
• The package Buildings.Fluid.Geothermal.ZonedBorefields has been added that allows modeling geothermal borefields in which groups of boreholes are operated with different mass flow rates
  and inlet temperatures, for example to create a hot core and warm perimeter.
• The template models for air-source heat pump and chiller plants has been updated to allow an optional side-stream water-to-water heat recovery heat pump, and to allow optional buffer tanks
  on the hot or cold side. Also, its control has been updated.
• The control sequences in the package Buildings.DHC.ETS and Buildings.DHC.Plants have been updated to comply with ASHRAE Standard 231P (Control Description Language).
• For pumps, fans, valves and dampers, changed the model for the actuator position. The new implementation changes the actuator position at a constant speed defined by the rise time (fans and pumps) or
  the stroke time (valves and dampers) rather than a second order filter. This gives more realistic response, and also simplifies the control loop tuning.

Also, many models have been updated to improve performance, to improve compliance with the Modelica Language Standard and to correct model errors.

Full Changelog: https://github.com/lbl-srg/modelica-buildings/compare/v11.0.0...v12.0.0

Consumption - Buildings and Heating - Modelica
Published by mwetter about 1 month ago

Modelica Buildings library - Version 11.1.0

Version 11.1.0 is backward compatible with 11.0.0.

The library has been tested with Dymola 2024x Refresh 1, OpenModelica 1.24.0, OPTIMICA 1.55.11 and recent versions of Impact.

This backward compatible version adds a new package with heat pump models that can be operate in reversible mode to provide heating or cooling, and that can be configured to use various approaches to compute performance, such as data tables or Carnot analogy.

Also, many models have been updated to improve performance, to ensure compliance with the Modelica Language Standard and to correct model errors.

Full Changelog: https://github.com/lbl-srg/modelica-buildings/compare/v11.0.0...v11.1.0

Consumption - Buildings and Heating - Modelica
Published by mwetter about 1 month ago

Modelica Buildings library - Version 10.1.1

Version 10.1.1 is backward compatible with 10.0.0 and 10.1.0.

The library has been tested with Dymola 2024x Refresh 1, OpenModelica 1.24.0, OPTIMICA 1.55.11 and recent versions of Impact.

Models have been updated to improve performance, to ensure compliance with the Modelica Language Standard and to correct model errors.

Full Changelog: https://github.com/lbl-srg/modelica-buildings/compare/v10.1.0...v10.1.1

Consumption - Buildings and Heating - Modelica
Published by mwetter about 1 month ago

Modelica Buildings library - Version 11.0.0

Full Changelog: https://github.com/lbl-srg/modelica-buildings/compare/v10.1.0...v11.0.0

Consumption - Buildings and Heating - Modelica
Published by mwetter about 1 year ago

Modelica Buildings library - Version 10.1.0

Full Changelog: https://github.com/lbl-srg/modelica-buildings/compare/v10.0.0...v10.1.0

Consumption - Buildings and Heating - Modelica
Published by mwetter about 1 year ago

Modelica Buildings library - Version 9.1.2

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Published by mwetter about 1 year ago

Modelica Buildings library - Version 10.0.0

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Published by mwetter over 1 year ago

Modelica Buildings library - Version 9.1.1

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Published by mwetter over 1 year ago

Modelica Buildings library - Version 9.1.0

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Published by mwetter over 2 years ago

Modelica Buildings library - Version 9.0.0

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Published by mwetter almost 3 years ago

Modelica Buildings library - Version 8.1.3

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Published by mwetter almost 3 years ago

Modelica Buildings library - Version 8.1.2

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Published by mwetter almost 3 years ago

Modelica Buildings library - Version 8.1.1

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Published by mwetter almost 3 years ago

Modelica Buildings library - Version 8.1.0

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Published by mwetter over 3 years ago

Modelica Buildings library - Version 7.0.2

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Published by mwetter over 3 years ago

Modelica Buildings library - Version 8.0.0

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Published by mwetter almost 4 years ago

Modelica Buildings library - Version 7.0.1

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Published by mwetter almost 4 years ago

Modelica Buildings library - Version 7.0.0

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Published by mwetter almost 5 years ago

Modelica Buildings library - Version 6.0.0

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Published by mwetter almost 6 years ago

Modelica Buildings library - Version 5.1.0

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Published by mwetter almost 7 years ago

Modelica Buildings library - Version 5.0.1

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Published by mwetter over 7 years ago

Modelica Buildings library - Version 5.0.0

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Published by mwetter over 7 years ago

Modelica Buildings library - Version 4.0.0

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Published by mwetter about 8 years ago

Modelica Buildings library - Version 3.0.0

Consumption - Buildings and Heating - Modelica
Published by mwetter about 9 years ago

Modelica Buildings library - Version 2.1.0

Version 2.1.0 is fully compatible with version 2.0.0.

It adds the package Buildings.Fluid.FMI that provides containers for exporting thermofluid flow components as FMUs. It also updates the temperature sensor to optionally simulate heat losses, and it contains bug fixes for the trace substance sensor if used without flow reversal.

Improvements have been made to various models to reduce the simulation time, and to Buildings.Examples.Tutorial.Boiler to simplify the control implementation.

For the complete list of changes, see the release notes.

Consumption - Buildings and Heating - Modelica
Published by mwetter almost 10 years ago

Modelica Buildings library - Version 2.0.0

Version 2.0.0 is a major release that contains various new packages, models and improvements.

The following major additions have been done in version 2.0:

• A CFD model that is embedded in a thermal zone has been added. This model is implemented in Buildings.Rooms.CFD. The CFD model is an implementation of the Fast Fluid Dynamics code that allows three-dimensional CFD inside a thermal zone, coupled to building heat transfer, HVAC components and feedback control loops.
• A new package Buildings.Electrical has been added. This package allows studying buildings to electrical grid integration. It includes models for loads, transformers, cables, batteries, PV and wind turbines. Models exist for DC and AC systems with two- or three-phases that can be balanced and unbalanced. The models compute voltage, current, active and reactive power based on the quasi-stationary assumption or using the dynamic phasorial representation.
• The new package Buildings.Controls.DemandResponse contains models for demand response simulation.
• The new package Buildings.Controls.Predictors contains a data-driven model that predicts the electrical load of a building. The prediction can be done either using an average baseline or a linear regression with respect to outside temperature. For both, optionally a day-of adjustment can be made.

For the complete list of changes, see the release notes.

Consumption - Buildings and Heating - Modelica
Published by mwetter almost 10 years ago

Modelica Buildings library - Version 2.0.0 Release Candidate 1

Consumption - Buildings and Heating - Modelica
Published by mwetter about 10 years ago