2014
DOI: 10.7776/ask.2014.33.3.191
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Propagation of Structural Waves along Waveguides with Non-Uniformities Using Wavenumber Domain Finite Elements

Abstract: Wave reflection and transmission characteristics in waveguides are an important issue in many engineering applications. A combined spectral element and finite element (SE/FE) method is used to investigate the effects of local non-uniformities but limited at relatively low frequencies because the SE is formulated by using a beam theory. For higher frequency applications, a method named a combined spectral super element and finite element (SSE/FE) method was presented recently, replacing spectral elements with s… Show more

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