Impulse wave run-over: experimental benchmark study for numerical modelling

被引：8

作者：

Fuchs, Helge ^{[1
]}

Heller, Valentin ^{[2
]}

Hager, Willi H. ^{[1
]}

机构：

[1] ETH, Lab Hydraul Hydrol & Glaciol VAW, CH-8092 Zurich, Switzerland

[2] Univ Southampton, Sch Civil Engn & Environm, Southampton SO17 1BJ, Hants, England

来源：

EXPERIMENTS IN FLUIDS | 2010年 / 49卷 / 05期

基金：

瑞士国家科学基金会;

关键词：

SOLITARY WAVE;

D O I：

10.1007/s00348-010-0836-x

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

This research intends to provide a detailed data basis for numerical modelling of impulse waves. Three tests are described involving a rectangular wave channel, in which a trapezoidal 'breakwater' was inserted to study wave run-over. In addition, a reference test is also described, in which the breakwater was removed. Two-dimensional impulse waves were generated by means of subaerial granular slides accelerated by a pneumatic landslide generator into the water body. Wave propagation and run-over over the artificial breakwater are documented by a set of high-quality photographs. Water surface profiles were recorded using capacitance wave gages upstream and downstream of the breakwater, and velocity vector fields were determined for the run-over zone by means of Particle Image Velocimetry. The measurements are compared with predictive formulae for wave features and wave non-linearity. The present data set involves both simple channel topography and wave features to allow for numerical simulations under basic laboratory conditions.

引用

页码：985 / 1004

页数：20

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