NUMERICAL SIMULATION OF ULTRASONIC TIME REVERSAL MIRROR IN A PLATE WITH DEFECT

被引：0
|
作者：
Krofta, Josef
Prevorovsky, Zdenek
机构：
来源：
EUROPEAN NDT DAYS IN PRAGUE 2007: NDT IN PROGRESS, PROCEEDINGS | 2007年
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中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The time reversal mirror (TRM) is a method which can be effective in NDE of defects in materials. In this case an input ultrasonic wave is transmitted into the examined sample, then recorded by receiving transducers, time reversed and sent back by the same transducers. A simple numerical model of a solid plate with a crack was developed. The propagation of ultrasonic waves used in time reversal method is studied. A number of tests with different methodology of the TRM procedure is simulated.
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页码：259 / 263
页数：5
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