FAQ – Results Viewer & Misc

Tas Results Viewer and Misc.

Frequently Asked Questions

If you have a question about the software, check out the frequently asked questions below. If you can’t find the answer you’re looking for, please contact support.

Results Viewer

Open your TBD file and on the tree-view click Zone Groups. The table displayed on the right-hand side contains a column header denoted Output. If any of the entries in this column read No then the corresponding zone will not be outputted to the Simulation Data file, or TSD. The zones with a Yes displayed in the Output column will be outputted.

If you have created a new building element to represent an aperture, rather than a window type, then you should verify that the building element does not have the Ground checkbox enabled.

If you have created a window type, then you should check that the window has not been applied to a surface which has been defined as being in direct contact with the ground. Again, check that the input surface does not have the Ground checkbox enabled.

This should be verified in the 3D Modeller.

In the Building Simulator, set up an aperture type and apply it to the window-pane, or the equivalent building element.

You must output aperture data when you simulate your TBD. On the Simulate menu, click Run Simulation. Enable the Output aperture data checkbox on the Simulate dialog or create a surface output specification in your TBD file, making sure to enable the Aperture Data checkbox. Right-click anywhere on the tree-view on the left-hand side and on the context-menu, click Surface Output Spec.

If you do create a surface output specification, then you must apply it to the building element through which you expect to see air flow.

You must also set up the simulation data file, or TSD, to display aperture data in the tabular or graphical results view.

Create a new Output Selection and drag the zone containing the aperture onto the Surfaces table on the output selection.

You must then create an Output Filter and enable the Aperture Flow In and Aperture Flow Out checkboxes on the Surfaces column.

Databases

Their default location is \My Documents\Tas Data\Databases.

The software should be installed on your own user account. If this is not done, then the missing databases will have been saved to the My Documents folder of the person who was logged in at the time of the installation. This will likely be your Systems Administrator.

The Tas Data folder can also be found in the Downloads section of this website.

Miscellaneous

Make sure that you create a zip file to reduce overall file size.

You can attach files up to 15MB by email.You can upload files of approximately 25MB to our FTP server using our online form.

If you need to upload larger files, please contact support for additional options.

Open Tas Manager. The version number is displayed beneath the Tas logo on the right-hand side, positioned beneath the titlebar.

You can obtain weather data files from the Energy Plus website.

If you have a copy of Meteonorm then you can create weather files from locations around the globe.

Once you have your weather data file, open the Tas Weather Database. On the File menu, click Import Weather Data. An Open dialog will appear. Expand the Files drop-down list and select from Energy Plus weather data (*.epw) or TMY2 files (*.tm2).

The surface areas exported to the Building Simulator are taken to be the average of the internal and external surface areas, which provides a reasonable approximation to modelling thermal bridging.

To model the effect of thermal bridging more closely, you can set up a secondary element in the 3D Modeller. To the secondary element you can apply a construction with a U-value different to the construction applied to the main structure.

It is possible to approximate thermal bridging by altering the U-value of the construction applied to the structure, or by modifying the internal and external surface areas so that the average surface area provides a closer approximation.

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