参数化超声相位共轭的非线性模式。数值方法

2000 IEEE Ultrasonics Symposium. Proceedings. An International Symposium (Cat. No.00CH37121) Pub Date : 2000-10-22 DOI:10.1109/ULTSYM.2000.922613

S. Ben-Khelil, A. Merlen, V.L. Prebrazhensky, P. Pernod

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摘要

通过一维数值模拟，考虑了具有有限活动区的无限介质中参数波相位共轭超临界模式的两种非线性限幅机制。给出了两种机制的法向应力空间分布和共轭波时间形式的演变。

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Nonlinear mode of parametric ultrasonic phase conjugation. Numerical approach

Two non linear mechanisms of amplitude limitation of the supercritical mode of parametric wave phase conjugation are considered for an infinite medium with finite active zone, owing to a 1D numerical simulation. Evolutions of the spatial distribution of the normal stress and temporal form of the conjugate wave are presented for both mechanisms.

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2000 IEEE Ultrasonics Symposium. Proceedings. An International Symposium (Cat. No.00CH37121)

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