Simulate Acoustic Emission Testing

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A Research collaborative project called « MACSIM » has been recently conducted between different French companies active in Acoustic Emission NDT (CETIM, EADS, DCNS, and EXTENDE), a public research agency (CEA) and a University (UTC). This project, supported by the French Research Agency “ANR”, allowed to develop a semi-analytical code aiming at simulating Acoustic Emission Testing (AT) and to start the integration of this code into the platform CIVA, the well-known NDT modeling software, that already covers the simulation of various NDT methods (UT, ET, RT, CT, Guided Waves) and already used by 200 companies worldwide in these techniques.

In this new code for acoustic emission, the source is computed from a user-prescribed description of the crack dynamics. Then the propagation and the reception of the acoustic waves by the sensors are calculated for the different modes of cracking. CIVA user-interfaces are being adapted to enter parameters specific to the method.

In order to help the consortium to continue the developments and make available an acoustic emission module in CIVA, as a commercial tool, EXTENDE kindly proposes you to answer this form so that we can better understand your interest and needs regarding the simulation of AT. This kind of tool would be the first commercial simulator dedicated to AT. These answers will allow us to push forward the developments in the right direction.

Please, decline your identity, before to fill in this form

Name, surname, company

1) Could you describe us your activity in Acoustic Emission?

2) What is the importance of Acoustic Emission in your NDT activities? (in % or annual turnover)

3) Do you think you would be interested in an AT simulator to support your NDT activities in this method?

Sure

Probably

Probably not

Clear selection

4) In which context and for which applications do you think the use of modeling could be interesting for you?

Research and Development (to optimize triangulations methods, to designg new sensors, to compute attenuation laws versus mode, to develop signal processing methods, etc.)

Prepare inspections and procedures (to find the right sensor to use, to find the best locations for them, etc.)

Expertise (to reproduce field inspection results in order to better understand signals, to confirm an on-site diagnosis, etc.)

Demonstration of performance (to replace some physical trials on mock-ups by simulations during process qualification stage, etc.)

Teaching and training (to understand qualitatively the main physical phenomena)

Others

For each answer above, please give an example

5) Which type of components do you usually inspect or study using Acoustic Emission Testing? Are you mostly dealing with metallic parts, composite parts?

6) There are many phenomena that are sources of acoustic emission. What are those you most often encounter in your practice? According to you, what are the most important to be accounted for in a simulation tool?

7) Have you already used simulation tools (e.g. Finite Elements) to simulate Acoustic Emission phenomena?

Yes, quite often

Yes, but just a few times

Never

Clear selection

If yes, which tool?

If you wish to receive information about AT Simulation future developments, please let us you email address:

Please precise the kind of information you wish to receive

I want to receive Extende NewsLetter (every two months).

I only want to receive information about AT Simulation.

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