| Download | - View final version: Reflection analysis of non-linear regular waves (PDF, 1.6 MiB)
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| DOI | Resolve DOI: https://doi.org/10.4224/40003361 |
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| Author | Search for: Mansard, E.1; Search for: Sand, S.1; Search for: Funke, E.1 |
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| Affiliation | - National Research Council of Canada
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| Format | Text, Technical Report |
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| Physical description | 48 p. |
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| Abstract | Conventional reflection analyses assume that all waves propagate with celerities described by the lst-order linear dispersion theory. However, finite amplitude waves are known to bind a certain amount of 2nd harmonic energy which travels with the celerity of the fundamental. When these waves are simulated in a laboratory using the classical lst-order generation, they produce additional 2nd-order free parasitic waves. The bound and free components have different celerities and therefore they cannot be analysed by the conventional analysis. This report presents a non-linear reflection analysis technique which can separate these bound and free components. This technique is different from the Fourier approach and it is based on optimal fitting of sinusoids to the measured time series. Extensive numerical simulation has been used to validate this technique with both linear and non-linear regular waves. |
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| Publication date | 1985 |
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| Publisher | National Research Council of Canada |
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| Series | |
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| Language | English |
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| Peer reviewed | No |
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| NRC number | NRCC 25144 |
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| NPARC number | 12327243 |
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| Export citation | Export as RIS |
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| Report a correction | Report a correction (opens in a new tab) |
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| Record identifier | 9e9575f7-1c7d-4c48-a319-f33f649cd0a1 |
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| Record created | 2009-09-10 |
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| Record modified | 2024-07-03 |
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