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New versions of Modelica Libraries available

Modelon December 10, 2015

Check out exciting new features and models!

Dymola 2016 FD01 has been recently released and in connection to that Modelon announces new releases of Modelica Libraries.

Enhanced support for zero flow in the Air Conditioning Library

Simulations with little or no mass flow are now enabled in Air Conditioning Library‘s latest releases. Settings for zero flow behavior are automatically propagated to all thermofluid components. Such settings include:

  • various differentiating schemes
  • state selection
  • event generation
  • the possibility to shut-off pressure loss models.

New and extended documentation enhances usability for new users as well as power users. New users will gain a more in depth introduction to the library while power users are given additional insight into modeling techniques.

New key components in Heat Exchanger Library

Latest releases of Heat Exchanger Library include new  configurable plate heat exchangers and condensers with built-in receivers.

The modular nature of the plate heat exchanger model allows convenient addition of new geometries and correlations.

The condenser with in-built receiver contains all features of the flat tube heat exchangers including stacking, inhomogeneous flows, and specification of geometry-specific correlations. The model can be configured in various ways:

  • Place the receiver after any pass
  • Initialize with enthalpy or predefined liquid level
  • Add dessicant to the receiver.

Thermo effects in the Hydraulics Library

With the latest releases of Hydraulics Library and the new modeling capabilities for thermo-hydraulics, the influence of thermodynamic effects is streamlined with control directly in the oil parameter interface.

Recent documentation improvements have focused on the accessibility of relevant information for both experienced and new users. Additional guidance for parameterization and component assumptions have been added in the dialog boxes and documentation.

Geometry-based pressure drop models in the Pneumatics Library

The latest release of Pneumatics Library 1.8 includes the new subpackage, Pneumatics.Elements, with a comprehensive set of geometry-based pressure drop models for minor and major pneumatic losses.

Pipes, different cross section based channels, and a wide choice of edges and curves are available.

Both beginners and power-users will benefit from new features:

  • Greatly improved dialog boxes
  • Better interfaces and templates
  • Fewer cylinder models with more customization options
  • Connectors which show whether a component contains a volume.

More ground interaction models in the Vehicle Dynamics Library

Recent developments in Vehicle Dynamics Library 2.2 have continued to be driven by customer requirements and feature requests.

New Mounted Ride Strut

Recently, the Vehicle Dynamics Library development team has been involved in numerous projects with automotive OEMs.

Throughout these projects, the suspension designs required the ride strut to be mounted with bushings to the chassis and suspension.

In order to continue to allow OEMs to use the Vehicle Dynamics Library out-of-the-box, the most common configuration of these struts has been added to the Vehicle Dynamics Library as a standard component. The bushing components are replaceable, and one model has two sets of translational flanges where one can be parameterized to attach either inside or outside the mount bushings.

This capability is useful when springs and dampers are co-located in the suspension but attached on different sides of the mount bushings.

Planar Wheel/Ground Contact Filtering

A planar contact calculation filtering method has been added as an additional option to the wheel contact calculation block.

This method is best suited for grounds with significant variation in height and road normal, such as with the Belgian Block or any high-definition road surface.

Major model ducumentation updates for the Thermal Power Library

Recent development in Thermal Power Library 1.1 has been focused on improving usability and Modelica compliance.

There has been a major update of the model documentation to make it easier to start modelling with the library.

Tool-specific dependencies and operators have been removed to improve the Modelica compliance and portability of code between tools.

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