Wave motion in infinite inhomogeneous waveguides

Špacapan, Igor; Premrov, Miroslav

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Title:	Wave motion in infinite inhomogeneous waveguides
Authors:	ID Špacapan, Igor (Author) ID Premrov, Miroslav (Author)
Files:	http://dx.doi.org/10.1016/S0965-9978(03)00108-X
Language:	English
Work type:	Unknown
Typology:	1.01 - Original Scientific Article
Organization:	FGPA - Faculty of Civil Engineering, Transportation Engineering and Architecture
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.
Keywords:	waves, wavemodes, waveguides, inhomogeneity, finite element method, parametric analysis, radiation conditions, eigenvalue problem, frequency domain
Year of publishing:	2003
PID:	20.500.12556/DKUM-27692
UDC:	531/534
ISSN on article:	0965-9978
COBISS.SI-ID:	8189462
NUK URN:	URN:SI:UM:DK:MPFLETAT
Publication date in DKUM:	01.06.2012
Views:	2340
Downloads:	67
Metadata:
Categories:	Misc.
:	ŠPACAPAN, Igor and PREMROV, Miroslav, 2003, Wave motion in infinite inhomogeneous waveguides. Advances in engineering software [online]. 2003. [Accessed 12 April 2025]. Retrieved from: http://dx.doi.org/10.1016/S0965-9978(03)00108-X Copy citation

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Record is a part of a journal

Title:	Advances in engineering software
Shortened title:	Adv. eng. softw.
Publisher:	Elsevier Applied Science
ISSN:	0965-9978
COBISS.SI-ID:	34540032

Secondary language

Language:	English
Keywords:	valovanje, valovne oblike, valovni vodniki, heterogenost, metoda končnih elementov, parametrična analiza, radiacijski pogoji, problem lastnih vrednosti, frekvenčna domena

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