Mode identification in CIVA GWT
A mode identification tool is now available in CIVA GWT. It can break down an A-Scan versus its different modal contributions which are at the source of the echoe(s).
To do this, you have to go in the “Toolbox” (tab “View Options”) and untick the display of All modes with the same color. Then, assign a different color, and display the modes that contribute to the echo (as shown below).
A-Scan display options: on the left, initial state; on the right, modes identification
In addition, the mode identification can also rely on other elements:
- The energy emission and sensitivity at reception data from the dispersion curves enable you to identify the modes that are actually sensitive in transmission and reception.
- For each of the strong modes, the time of flight from the probe to the reflector can be estimated with the energy velocity dispersion curve.
