Manage Measurements Tutorial
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The example that is described in this tutorial is also located in the folder Examples\Geometry Building Model\ and called Geometry Building Model.amp

When you start the Manage Measurements Task and have no measurements uploaded the task view look like below for the Geometry  Building Model example:


As shown in the Geometry Generator tutorial the building model has two floors. Each of these floors has been measured in three locations and the measurements has been split into two test setups. The splitting in several setups makes it necessary to have some measurement channels located in the same positions and with the same directions in all setups. These channels serves as references and makes it possible for modal analysis post-processing tools to link the mode shapes pieces together. In this example two moving channels as well as two reference channels has been used. The total number of channels used in each test setup is therefore four.


Defining a Test Setup

A test setup is defined as a specific configuration of measurement channels at specific locations and with specific directions. In this example the measurements of the Geometry building model has been divided in two test setups. Here we will define the first setup. To do this you select the Measurement Project Item (root item) in the Data Organizer window and press the Insert Object button:

This command will insert a new Test Setup which we immediately will rename to First Floor Measurement by clicking next to the Name property as shown below:

Importing Measurements

We are now ready to upload the measured data which is stored in a binary file storing each measurement channel one by one. The measurements for the first floor is stored in the Measurement_1.bin file located in the folder Examples\Geometry Building Model. To import the measurements click on the Test Setup item called First Floor Measurement and the Import button:

An Open File dialog appear and you can select the SVS Binary File type and open the file. You will then be asked if the Test Setup should be called the same as the file name. We choose not to here.

The uploaded measurement channels appear in the Data Organizer in terms of four Channel Items and the measurements themselves can be viewed in the Measurement Explorer as shown below.

We click on the Data Sets window to the right to activate the Property window correctly. Now we are able of specifying the Sampling Frequency that in this case is 150 Hz:

This is necessary in the case of the SVS Binary Format that does not hold the information about the sampling interval or the sampling frequency. When the value is entered you are asked if you like to update other Data Sets, but choose to update the current (single) one and press OK:

Now we repeat everything for the second measurement that has been made.

  1. Click the Measurement Project Item and then the Insert Object button.
  2. Click on the inserted Test Setup Item and rename it to Second Floor Measurement.
  3. Click the Import button and browse for the Measurement_2.bin binary file in the Building Model folder.
  4. Click the Data Sets window to activate the Properties of the Data Set of the second Test Setup, then enter the Sampling Frequency as 150 Hz.

Finally, we go back to the Measurement Project Item and click on it in the Data Organizer. In the Properties window we then change its name to Geometry Building Model Tutorial Examples. And click on Save as and save the project as Geometry Building Model Final Result.amp. The final work is shown below, and we are now ready to do the DOF assignment.

See Also

Prepare Geometry

Assign DOF Information