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J. Mar. Sci. Eng. 2015, 3(1), 100-110; doi:10.3390/jmse3010100

Impulse Wave Generation: Comparison of Free Granular with Mesh-Packed Slides

Laboratory of Hydraulics, Hydrology and Glaciology (VAW), ETH Zurich, CH-8093 Zürich, Switzerland
Author to whom correspondence should be addressed.
Academic Editor: Valentin Heller
Received: 14 October 2014 / Accepted: 12 February 2015 / Published: 4 March 2015
(This article belongs to the Special Issue Tsunami Science and Engineering)
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Slides generating impulse waves are currently generated using either block models or free granular material impacting a water body. These procedures were mainly developed to study plane impulse waves, i.e., wave generation in a rectangular channel. The current VAW, ETH Zurich, research is directed to the spatial impulse wave features, i.e., waves propagating in a wave basin. The two wave generation mechanisms mentioned above complicate this process for various reasons, including experimental handling, collection of slide material in the wave basin, poor representation of prototype conditions for the block model, and excessive temporal duration for free granular slides. Impulse waves originating from slides with free granular material and mesh-packed slides are compared in this paper. Detailed test series are presented, so that the resulting main wave features can be compared. The results highlight whether the simplified procedure involving mesh-packed slides really applies in future research, and specify advantages in terms of impulse wave experimentation. View Full-Text
Keywords: hydraulics; impulse product parameter; impulse wave; physical modeling; subaerial landslide; water wave hydraulics; impulse product parameter; impulse wave; physical modeling; subaerial landslide; water wave

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Evers, F.M.; Hager, W.H. Impulse Wave Generation: Comparison of Free Granular with Mesh-Packed Slides. J. Mar. Sci. Eng. 2015, 3, 100-110.

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