CIVA: An expertise platform for simulation and processing NDT data

被引:80
作者
Calmon, P. [1 ]
Mahaut, S. [1 ]
Chatillon, S. [1 ]
Raillon, R. [1 ]
机构
[1] CEA Saclay, LIST, French Atom Energy Commiss, F-91191 Gif Sur Yvette, France
关键词
NDT simulation; modeling; data processing; beam computation; interaction with defects;
D O I
10.1016/j.ultras.2006.05.218
中图分类号
O42 [声学];
学科分类号
070206 ; 082403 ;
摘要
Ultrasonic modeling and simulation are more and more widely used by the different actors of industrial NDT. The applications are numerous and show a great variety: help for diagnosis, data reconstruction, performance demonstration, probe design and inspection parameters settling, virtual testing etc. The CEA (the French Atomic Energy Commission) is strongly involved in this evolution with the development of the CIVA expertise platform which gathers in the same software advanced processing and modeling tools. In the aim of fulfilling requirements of an intensive use the choice has been made to mainly adopt semi-analytical approximated methods. The wave propagation modeling is based on an integral formulation of the radiated field and applies the so-called pencil method. The modeling of beam-defect interaction and echoes formation mechanisms apply approximated theories such as Kirchhoff approximation or GTD. Over the years and with successive versions of the software, this approach is enriched by adaptations and improvements of the existing models or by new models, in order to extend the field of applicability of the simulation. (c) 2006 Elsevier B. V. All rights reserved.
引用
收藏
页码:E975 / E979
页数:5
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