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탄성 도파봉에서 고주파수 파동의 전파 특성Propagation Characteristics of High-frequency Waves in an Elastic Waveguide
- Other Titles
- Propagation Characteristics of High-frequency Waves in an Elastic Waveguide
- Issue Date
- Sep-2010
- Publisher
- 한국소음진동공학회
- Keywords
- Ultrasonic Wave; Waveguide; High-frequency; Wavelength; Wave-number; 초음파; 도파봉; 고주파수; 파장; 파수
- Citation
- 한국소음진동공학회논문집, v.20, no.9, pp.816 - 821
- Journal Title
- 한국소음진동공학회논문집
- Volume
- 20
- Number
- 9
- Start Page
- 816
- End Page
- 821
- ISSN
- 1598-2785
- Abstract
- The paper presents a theoretical analysis on the propagation characteristics of the high-frequency wave in an elastic waveguide whose diameter is less than or similar to the wavelength. The theoretical results were verified by comparing them with the numerical results obtained by the boundary-element method. The ratio of the waveguide diameter to the wavelength affects the number of the existing wavenumber, and thus it affects the propagation characteristics. In the media with attenuation, the trend is similar to that in the media without attenuation except the decreasing amplitude.
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Related Researcher
- Kim, Jin Oh
- College of Engineering (School of Mechanical Engineering)