11 results about "Wave effect" patented technology

This invention belongs to the field of port engineering structural health monitoring and numerical simulation technology, specifically relating to a digital twin-based seismic stability assessment system and method for caisson wharves. The system includes a data acquisition and processing module, a model update module, and a performance evaluation and early warning module; the method includes data perception and feature extraction, parallel model calibration and update, coupled analysis, and intelligent early warning. This invention establishes a high-fidelity digital twin model that is synchronously updated with the physical entity and utilizes high-performance parallel computing technology to achieve real-time and accurate assessment and early warning of the stability of caisson wharves under combined seismic and wave effects.

The application discloses a kind of offshore wind energy short-time forecast wave effect correction method and system, the method includes the following steps: S1, initial field of three-dimensional wind field of wind farm is generated based on meteorological data and wave spectrum characteristic parameter of sea-air interface;S2, based on three-dimensional wind field of wind farm initial field, initialization is carried out to wind turbine, and wind turbine parameter and wind turbine indication function are obtained;S3, based on wind turbine parameter and wind turbine indication function, wind turbine grid point thrust is calculated;S4, based on three-dimensional wind field of wind farm initial field and wave spectrum characteristic parameter, total moving surface drag force is calculated;S5, based on three-dimensional wind field of wind farm initial field, wind turbine grid point thrust and total moving surface drag force, short-time wind energy data are calculated;S6, short-time wind energy data are output based on preset format;The method can consider the influence of sea surface wave on wind energy forecast when short-time wind energy is forecasted, and the accuracy of short-time wind energy forecast is improved.

The utility model provides a kind of gravity type deepwater net cage with net clothes fixing device, comprising: deepwater net cage, platform and fixed mechanism, wherein, platform is installed on deepwater net cage, fixed mechanism includes rotating shaft, rotating block, first traction rope, gravity ball, second traction rope and counterweight, wherein, rotating shaft is rotatably connected in the bottom wall of platform, rotating block is sleeved in the outer wall of rotating shaft, the bottom wall of rotating block is connected with the one end of first traction rope, gravity ball is connected with the other end of first traction rope, the inside of platform is connected with the one end of second traction rope, counterweight is connected with the other end of second traction rope.The utility model embodiment of a kind of gravity type deepwater net cage with net clothes fixing device, by the setting of fixed mechanism, additional suspension gravity ball connects net clothes in seabed, strengthens net clothes stability, and staff can be according to actual sea conditions and aquaculture demand, by increasing or reducing counterweight quantity, adjust net cage diving depth, increase net clothes wind and wave effect.

The invention relates to a water body rendering method and device, equipment, a storage medium and a program product, and the method comprises the steps: superposing periodically continuous waveform data and noise data to all vertexes of a horizontal grid, and obtaining a wave pattern; coloring the wave white mold to obtain a wave model; respectively carrying out derivation processing on the waveform data and the noise data at each vertex in the wave pattern to obtain a first space gradient corresponding to the waveform data and a second space gradient corresponding to the noise data; performing composite processing on the first space gradient and the second space gradient to obtain a composite gradient of each vertex; obtaining a vertex normal vector of each vertex based on the composite gradient of each vertex; based on the vertex normal vector and the line-of-sight direction vector of each vertex, generating edge intensity data of the wave contour; and superposing the edge strength data to the wave model to obtain a water body rendering result. According to the scheme, the vertex normal vector is dynamically determined based on the composite gradient, so that the rendered water body has a dynamic surge effect.

The invention discloses a water wheel type power generation device, belongs to the technical field of tidal power generation devices, and aims to solve the problems that tidal water flow is high in sand content and easy to generate sludge and marine organism adhesion, so that the tidal water flow power generation efficiency is influenced, the water flow speed change is large during tide fluctuation, blades are easy to crack due to impact, and the power generation efficiency is low. The power generation device comprises a mounting frame and a fixing seat fixed to the middle of the upper portion of the mounting frame, a plurality of water wheel blades are mounted on the inner side of a rotating inner ring, and a transmission cable is connected to the lower portion of one side of the mounting frame. Through the ultrasonic effect of the vibration transducer, the binding force between dirt and marine organisms in tide and the blade surface is destroyed, targeted descaling is completed, meanwhile, by moving the vibration transducer, high-frequency micro-vibration is released in a targeted mode, local residual stress is slowly released, and fatigue damage caused by stress accumulation is avoided; and the blade crack and fracture risks caused by periodic strong impact of the tide are reduced.

The embodiment of the invention relates to a scene projection method and device, electronic equipment and a computer readable storage medium. The method comprises the following steps: acquiring equipment data corresponding to each projection lamp; obtaining a target dynamic water wave image and scene content corresponding to each scene space; extracting a local water wave image corresponding to the first scene space from the target dynamic water wave image according to scene content corresponding to the first scene space; determining a first water wave parameter and a first light and shadow parameter corresponding to the first scene space according to the local water wave image and scene content corresponding to the first scene space; determining projection contents and projection parameters corresponding to a plurality of target projection lamps arranged in the first scene space according to the first water wave parameter and the first light and shadow parameter; and controlling each target projection lamp to project the corresponding projection content according to the corresponding projection parameter. According to the scene projection method and device, the electronic equipment and the computer readable storage medium, the water wave effect matched with the scene can be presented.

The utility model discloses a built-in fuel tank washboard with adjustable height, and relates to the technical field of fuel tanks, the built-in fuel tank washboard comprises a fuel tank, a mounting opening is formed in the top of the fuel tank in a penetrating mode, an adjusting mechanism is arranged in the fuel tank, and the adjusting mechanism comprises a frame assembly, a baffle assembly and a baffle assembly, and the driving assembly is mounted on the frame assembly. According to the built-in fuel tank washboard with the adjustable height, a motor is started, a second bevel gear at the output shaft end of the motor drives a first bevel gear meshed with the second bevel gear to rotate, so that a rotating shaft fixedly connected with the second bevel gear in a sleeved mode rotates, when the rotating shaft rotates, a chain wheel drives a chain to move, and in the chain moving process, the washboard can ascend or descend along with the chain; height adjustment is achieved so as to meet the requirements of different fuel oil quantities for the wave-resistant effect, and the fuel oil surge phenomenon is effectively restrained.

The application provides a waterway traffic capacity prediction and ship navigation guidance method and system, and relates to the technical field of intelligent transportation and water traffic safety management. The guidance method specifically comprises the following steps: collecting on-site images of an accident water area and calculating a three-dimensional posture of an accident ship; generating a time-varying residual waterway width function representing the available width of a future waterway; constructing a space-time state matrix of a to-be-passing ship; constructing a space geometric constraint based on the time-varying residual waterway width function, and constructing a wave effect constraint for determining the maximum critical navigation speed of each to-be-passing ship based on on-site observation of the wave generated by the passing ship; and based on the space-time state matrix, the space geometric constraint and the wave effect constraint, performing global optimization solving of multi-objective navigation scheduling to generate and issue a navigation timetable containing the optimal passing navigation speed of each to-be-passing ship.

Embodiments of the present application relate to a scene projection method and device, electronic equipment and computer readable storage medium, comprising: obtaining device data corresponding to each projection lamp; obtaining target dynamic water wave image and scene content corresponding to each scene space; extracting a local water wave image corresponding to a first scene space from the target dynamic water wave image according to the scene content corresponding to the first scene space; determining a first water wave parameter and a first light and shadow parameter corresponding to the first scene space according to the local water wave image and the scene content corresponding to the first scene space; determining projection content and projection parameters corresponding to a plurality of target projection lamps respectively arranged in the first scene space according to the first water wave parameter and the first light and shadow parameter; and controlling each target projection lamp to project the corresponding projection content according to the corresponding projection parameters. The scene projection method and device, electronic equipment and computer readable storage medium can present water wave effects matching the scene.

The application relates to the technical field of crane beams, and discloses a high-strength thin-wall box-section crane beam structure, which comprises a beam main body assembly, wave plates are fixedly welded on the inner sides of two beam frames, two connecting plates are fixedly welded on the outer sides of the two beam frames, mounting plates are fixedly welded on the outer sides of the two connecting plates, a driving walking assembly is arranged, driving wheels are rotationally connected to the outer sides of two slide rails, and a bidirectional motor is fixedly installed between the two driving wheels. The box-section main body structure is formed by welding two parallel beam frames and a continuous wave plate, the wave effect of the wave plate greatly improves the bending and torsional stiffness of the beam, the inside of the beam is a hollow structure, the self weight of the beam is obviously reduced under the premise that the structural strength and stiffness meet the use requirements, material consumption is reduced, and manufacturing cost is reduced; the box-section structure is uniformly stressed, is not prone to deformation, and has a long service life.

The utility model discloses an anti-storm self-adjusting buffering mechanism for an overwater safety house. The anti-storm self-adjusting buffering mechanism comprises a supporting frame arranged close to the four corners of the safety house. The winding main shaft is rotationally connected to the supporting frame; the winding roller is fixed on the winding main shaft; the transmission gear is fixed on the winding main shaft; the pressure relief pump is in meshing transmission with the transmission gear; the anchor rope is connected to the winding roller, one end of the anchor rope is partially wound on the winding roller, and the other end of the anchor rope is connected with a heavy anchor; when the safety house rises under the action of stormy waves, the anchor rope pulls the winding main shaft to rotate, and the pressure relief pump is connected to a hydraulic buffering system so as to convert power transmitted by the transmission gear into hydraulic power. The transmission gear rotates and is meshed with the pressure relief pump to rotate and work, power transmitted by the transmission gear is converted into hydraulic power, energy generated by stormy waves is released, the buffering effect is achieved, and the stormy wave resistance and safety of the safety house can be further improved.