Highlights in 4.7
Below is a list of of the most important news in IDA ICE 4.7.
Advanced daylight calculation by interfacing the Radiance™ lighting simulation tool. Easy calculation setup, execution and results visualization, all inside IDA ICE. Calculation of daylight factor and illuminance on selected zones or user defined measuring planes placed inside or outside of the building. Selection of sky models including CIE standard sky models and Perez climate based sky model. Results presentation with average, minimum, maximum and uniformity ratio and color coded field visualization including possibility to show percentage of area above or below a threshold value.
IDA ICE now takes advantage of the fact that almost all new computers are equipped with multiple processor cores and are able to run several processes in parallel:
Windows and shading devices
New features for windows and shading devices:
New features for climate data:
New cooling load calculation
A new cooling load calculation algorithm with automatic detection of “the worst day of the year” has been implemented, using monthly extreme weather data from the ASHRAE Fundamentals 2013 database. For modern buildings with low transmission losses, room cooling loads may peak in February or March, not during the summer as could be expected. The new method will detect this automatically. It will also automatically save peak design days for each zone and air handling unit as well as for the primary cooling system.
Results of multiple simulations are now saved with the project file, and the Results tab has been replaced with two new tabs; Summary and Details. The Summary tab includes summary tables for the zones, air handling units and the building. For cooling load calculations, a summary of individual peak cases is presented. The Details tab features new ways of presenting multiple diagrams together, and it uses snapping crosshairs for easy reading.
Simulate selected zones
Selected zones can automatically be cloned to a new model. This makes it quick and easy to study the behavior of these zones, without having to run the whole original building.
IDA ICE Portal
A portal is now shown at startup, featuring IDA ICE related news, information about upcoming events, links to video tutorials and the latest forum posts. It also includes contact information and a license summary.
Improved IFC import3
It is now possible to map IFC space types to zone templates, and to convert all IFC spaces to zones in one click.
Import of IFC files, validated with the IDA ICE add-on for simplebim, has been improved:
Merge zones (beta)
Zones can now easily be merged together into larger zones. This feature enables you to change the zoning of the building without having to redraw the zones. It is also a simple way to create complicated zone geometries.
New ESBO version
A redesigned version of ESBO (Early Stage Building Optimization) is released, including:
VELUX EIC Visualizer Professional
The professional version of VELUX Energy and Indoor Climate (EIC) Visualizer is now included. The VELUX EIC Visualizer focuses on windows and solar shading and is used to evaluate the performance of single-family houses with respect to energy, ventilation and indoor climate. Read more >
More features in the Standard edition
Features previously only found in the Expert edition, or in the extensions Enhanced Windows Models4, and Slab Cooling and Heatings, are now included directly in the Standard edition:
Debugging of advanced level systems2
When the advanced level is visible during simulation the slowest converging component is shown in red each time step. With this feature, problematic component models are more easily detected.
A new dedicated fan-coil model is available that has more appropriate parameters and that is numerically more efficient. By setting the fan-power to zero, this model can also be used as an “ideal unit” that connects to the hydronic system.
Compressed binary file format
The default option is now to save the entire IDA ICE project in one single binary file. This makes it easier to copy IDA ICE projects and to incorporate them in file handling systems.
Your IDA ICE project is now automatically saved every 10 minutes, and before and after each simulation.
New features for control macros:
Highlights in 4.7.1
Exhaust air heat pump
Exhaust air heat pump is now available at the standard level of IDA ICE. It is quick and easy to set up a heat pump with liquid-coupled exhaust air heat recovery and storage tank. Sizing of flow rate and heat pump is supported.
Split5 and merge zones (beta)
Zones can now easily be split into smaller zones or merged together into larger zones. These features enables you to change the zoning of the building without having to redraw the zones. It is also a simple way to create complicated zone geometries.
New liquid circuit between AHU and Plant
A new custom liquid circuit between the air handling unit and the plant simplifies the generation of arbitrarily system models.
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1 Included in the Expert edition and available as extension (Daylight ) to the Standard edition.
2 Included in the Expert edition.
3 Included in the Expert edition and available as extension (BIM Import ) to the Standard edition.
4 It will not be possible to create internal openings and large horizontal openings in Standard edition. For this the Expert edition is required.
5 Available from IDA ICE 4.7.1