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Issue:
Guide waves in an inclined discontinuity plate
Author(s):
TIAN Guangchun
,
LIU Zhenqing
,
JING Yonggang
Pages:
39
-
42
Year:
2004
Issue:
1
Journal:
TECHNICAL ACOUSTICS
Keyword:
导波
;
混和边界元法
;
散射
;
模式转换
;
二维傅立叶变换
;
Abstract:
针对单一模式导波入射的情况,利用混和边界元模型计算了斜面型散射区域的反射系数和透射系数与各种入射模式、入射频率以及斜面倾角变化的关系,研究了在单一模式导波入射时导波与散射体的相互作用.文章的结果可以用来提高大量实际的无损检测工程中的检测灵敏度与能量的穿透能力,尤其是在那些发生了斜面状厚度变化波导中的情形.
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