| Title: | Wave motion in infinite inhomogeneous waveguides |
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| Authors: | ID Špacapan, Igor (Author)
ID Premrov, Miroslav (Author) |
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| Files: |  http://dx.doi.org/10.1016/S0965-9978(03)00108-X
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| Language: | English |
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| Work type: | Unknown |
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| Typology: | 1.01 - Original Scientific Article |
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| Organization: | FGPA - Faculty of Civil Engineering, Transportation Engineering and Architecture
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| Abstract: | The analysis of wave motion in infinite homogeneous waveguides, having a complicated cross-section and/or an irregular inclusion, is a rather difficult task for the majority of available methods, especially when striving for accurate results. In contrast, this presented procedure performed in the frequency domain, is simple to apply. It yields correct results because the radiation conditions are considerably accurately satisfied, and it offers a clear parametric insight into wave motion. This procedure uses the FE modelling of an analysed section of the waveguide. It is based on the decomposition of wave motion, distinguishing propagating and non-propagating wavemodes by solving the eigenvalue problem. The presented examples demonstrate the effectiveness of this procedure, whilst a comparison between computed and analytical results demonstrates its accuracy. |
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| Keywords: | waves, wavemodes, waveguides, inhomogeneity, finite element method, parametric analysis, radiation conditions, eigenvalue problem, frequency domain |
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| Year of publishing: | 2003 |
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| PID: | 20.500.12556/DKUM-27692  |
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| UDC: | 531/534 |
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| ISSN on article: | 0965-9978 |
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| COBISS.SI-ID: | 8189462 |
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| NUK URN: | URN:SI:UM:DK:MPFLETAT |
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| Publication date in DKUM: | 01.06.2012 |
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| Views: | 2558 |
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| Downloads: | 71 |
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| Metadata: |    |
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| Categories: | Misc.
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