Mud flat wave current oblique crossing simulation method

A simulation method, wave and current technology, applied in the field of coastal engineering model tests, can solve the problems of high cost, inability to obtain the combined effect of wind wave sand lifting and tidal sand transport, and difficulty in simulating the impact of bed-making sediment, so as to achieve economical production cost effect

Active Publication Date: 2014-06-18
ZHEJIANG INST OF HYDRAULICS & ESTUARY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the existing methods are difficult to simulate the influence of the combined action of wind wave sand lifting and tidal current sediment transport on the bed-forming sediment.
[0004] 2. In the existing oblique simulation method of tidal flat wave and current, due to the time series combination of wave cycle and tidal current cycle, it is not possible to simply arrange the wave generator at a non-parallel or non-perpendicular ang

Method used

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  • Mud flat wave current oblique crossing simulation method
  • Mud flat wave current oblique crossing simulation method
  • Mud flat wave current oblique crossing simulation method

Examples

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Effect test

Embodiment 1

[0042] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0043] A muddy tidal flat wave flow oblique simulated water tank device in water conservancy model tests, including a mainstream pump 1, a water tank 2, an underground reservoir 3, and a wave maker 4; the outlet of the mainstream pump 1 is set at the water inlet of the water tank 2 end, the inlet is set in the underground reservoir 3; the water outlet of the tank 2 is connected to the underground reservoir 3, the main flow pump 1 drives the water flow to circulate between the tank 2 and the underground reservoir 3, and the wave maker 4 is arranged on the left side of the tank 2 or Right.

[0044] The wave maker 4 includes: a wave pushing plate 41, a pushing arm 42, a wave pushing motor 43, a rotating platform 44 and an integral lifting bracket 45; the wave pushing plate 41 is connected to the wave pushing motor 43 through a pushing arm 42; T...

Embodiment 2

[0056] A muddy tidal flat wave flow oblique simulated water tank device in water conservancy model tests, including a mainstream pump 1, a water tank 2, an underground reservoir 3, and a wave maker 4; the outlet of the mainstream pump 1 is set at the water inlet of the water tank 2 end, the inlet is set in the underground reservoir 3; the water outlet of the tank 2 is connected to the underground reservoir 3, the main flow pump 1 drives the water flow to circulate between the tank 2 and the underground reservoir 3, and the wave maker 4 is arranged on the left side of the tank 2 or Right.

[0057] The wave maker 4 includes: a wave pushing plate 41, a pushing arm 42, a wave pushing motor 43, a rotating platform 44 and an integral lifting bracket 45; the wave pushing plate 41 is connected to the wave pushing motor 43 through a pushing arm 42; The rotating platform 44 is fixed on the top of the integral lifting support 45 ; the wave pushing motor 43 is fixed on the rotating platfo...

Embodiment 3

[0069] A muddy tidal flat wave flow oblique simulated water tank device in water conservancy model tests, including a mainstream pump 1, a water tank 2, an underground reservoir 3, and a wave maker 4; the outlet of the mainstream pump 1 is set at the water inlet of the water tank 2 end, the inlet is set in the underground reservoir 3; the water outlet of the tank 2 is connected to the underground reservoir 3, the main flow pump 1 drives the water flow to circulate between the tank 2 and the underground reservoir 3, and the wave maker 4 is arranged on the left side of the tank 2 or Right.

[0070] The wave maker 4 includes: a wave pushing plate 41, a pushing arm 42, a wave pushing motor 43, a rotating platform 44 and an integral lifting bracket 45; the wave pushing plate 41 is connected to the wave pushing motor 43 through a pushing arm 42; The rotating platform 44 is fixed on the top of the integral lifting support 45 ; the wave pushing motor 43 is fixed on the rotating platfo...

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Abstract

Disclosed is a mud flat wave current oblique crossing simulation method. The method is specially used for simulating the combined bed forming motion of wind wave sediment winnowing and tide sediment transportation on a mud flat. The method is characterized by comprising a mud flat wave current oblique crossing simulation water tank device used in a coast model test and the operating method of the device. The mud flat wave current oblique crossing simulation water tank device used in the coast model test comprises a main current pump, a water tank, an underground reservoir and a wave maker, wherein an outlet of the main current pump is formed in the water inlet end of the water tank, an inlet of the main current pump is arranged in the underground reservoir, the water outlet end of the water tank is connected with the underground reservoir, the main current pump drives water currents to circulate between the water tank and the underground reservoir, and the wave maker is arranged on the left side or the right side of the water tank. The wave current oblique crossing simulation method is specially used for simulating the combined bed forming motion of wind wave sediment winnowing and tide sediment transportation on the mud flat. The riverbed configuration generated by the combined bed forming motion of wind wave sediment winnowing and tide sediment transportation with the mud flat wave current oblique crossing simulation method is basically identical with the natural terrain.

Description

technical field [0001] The invention relates to a simulation method for simulating oblique waves and currents on muddy tidal flats in coastal model tests, in particular to a wave and current that can effectively simulate wind and wave sand lifting and tidal sand transport mechanisms simultaneously in a muddy tidal flat environment The oblique simulation method belongs to the field of coastal engineering model test. Background technique [0002] Muddy tidal flats mainly refer to flats composed of fine-grained sediment distributed in the intertidal zone along the estuary coast. Using abundant tidal flat resources for land reclamation has always been the main measure to alleviate the current contradiction between more people and less land in our country. However, due to the complex hydrodynamic and geological conditions of the estuary, the evolution law of muddy tidal flats under the action of waves and currents has not been fully understood and understood, which makes the rat...

Claims

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Application Information

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IPC IPC(8): G09B25/00
Inventor 潘冬子潘存鸿曾剑孙超
Owner ZHEJIANG INST OF HYDRAULICS & ESTUARY
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