14 June 2022
DIRAC v3.3.1.0 contains a variety of features, stability improvements, and bug fixes. Details of these changes can be found below:
Sensors/excitation points assignable to multiple VPs Sensors/excitation points are now able to be assigned to multiple virtual points. In addition to selecting the primary virtual point, it is now possible to select an arbitrary amount of secondary virtual points for each sensor or excitation point, allowing a more efficient use of testing equipment.
Secondary virtual points can be assigned in 3 different ways:
Virtual points comprising of shared sensors will now be shown in the VP FRF matrix in the analyze module. These secondary virtual points are not yet considered for consistency indicators and will be in a future release.
Modify channel names using customizable templates It is now possible to set channel naming templates using tokens, such as Sensor, channel Direction or MeasurementAxis. This is done by either double-clicking on the channel name, or right-clicking on the channel name and selecting Set naming template. It is then possible to name channels by either typing in a new channel name, or by pressing the ‘{‘ key to open a drop-down menu and selecting the desired variables. A name can be a combination of both tokens, and text.
Upload & download DIRAC projects to the PAKCloud DIRAC projects can now be saved as a ZATFX package, which allows it to be uploaded to and downloaded from the MBBM PAK Cloud. The integration with the PAK Cloud is an ongoing process and will continue to develop in future releases. Please reach out to support@vibestechnology.com for any assistance and support.
Matrix symmetrization and cropping in post-process This version comes with additional options for cropping and symmetrization. This can for instance be used to select the cross-diagonal part of a dynamic stiffness FRF of a bushing measurement. The options are found in the dialog for custom matrix presets in Analyze.
Once created, these new matrix presets are able to be exported to any of the supported export formats.
Zero padding Zero padding pads the unnecessary part of your measurements with zeroes in order to increase the frequency resolution of your FRFs. In effect, this reduces the time required by the test engineer for each measurement. DIRAC only saves the actual measured time. This padded time can be adjusted freely and at any time.
Export of FRFs to Excel XLSX-format It is now possible to export any FRF to Excel XLSX-format. When exporting multiple datasets, multiple worksheets are created. Advanced features for defining the Excel format are available as follows:
Application & project settings The preferences page of DIRAC has been redesigned to allow users to set both application and project settings. Application settings are used by default unless any settings have been set on a project level, in which case the project settings override.
Other changes
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