387 results about "Breakwater" patented technology

The invention provides a breakwater monitoring data preprocessing method and system based on Kalman filtering, and relates to the technical field of breakwater structure safety monitoring. The method comprises the following steps: acquiring original motion data of acceleration, inclination and displacement through a motion attitude sensor to obtain an original data sequence; initializing a state vector and an error covariance matrix; dynamically correcting the state transition matrix and calculating a prediction state vector and a prediction error covariance matrix; a Kalman gain is generated; updating a state vector and an error covariance matrix; and extracting the filtered motion data as a preprocessing result. According to the method, the state transition matrix is dynamically corrected by introducing the wave force feedback, so that the Kalman filtering algorithm can adapt to the wave impact environment, noise interference in monitoring data is effectively inhibited, and the accuracy and reliability of key motion parameter data of the breakwater are remarkably improved.

The invention relates to the field of intelligent detection, and discloses a breakwater structure rapid scanning diagnosis method based on an unmanned aerial vehicle, and the method comprises the following steps: 1, collecting the multi-modal data of an overwater structure and an underwater structure of a breakwater through a sensor carried by the unmanned aerial vehicle; step 2, carrying out space-time alignment processing on the multi-modal data to generate fusion point cloud data; 3, constructing a multi-dimensional tensor representing damage features based on the fused point cloud data; step 4, uploading the damage classification result to a cloud; 5, dynamically adjusting the scanning path planning of the unmanned aerial vehicle according to the damage classification result and the real-time environment parameters; and 6, outputting a three-dimensional visualization result containing the damage position, the damage type and the emergency scheme. Through cross-medium cooperative acquisition of the millimeter wave radar, the sonar and the multispectral sensor, the coverage range and the information dimension of damage detection are expanded, and reliable data are provided for breakwater structure monitoring in a complex marine environment.

The invention relates to the technical field of structural health monitoring and geotechnical engineering, and discloses a breakwater foundation settlement direction real-time monitoring and early warning system and method, and the system comprises a data collection module which is used for obtaining the measurement data of at least one sensor disposed on a breakwater and a foundation of the breakwater in real time; the storage module is used for storing a preset physics-based reduced-order model, and the reduced-order model represents the overall deformation rule of the breakwater and the foundation system through a group of core deformation modes; and the processing module is connected with the data acquisition module and the storage module, and the processing module comprises a data assimilation module which is used for fusing the measurement data and the order reduction model in real time. By arranging the deformation field reconstruction module, the problem that only discrete point information can be obtained through traditional monitoring is effectively solved, real-time and high-precision expansion from sparse measurement to a continuous overall deformation field is achieved, and a more visual and reliable basis is provided for comprehensively evaluating the safety state of a structure.

The invention discloses a dynamic response analysis method of a floating breakwater anchor chain system. The dynamic response analysis method comprises the following steps: determining parameters of a floating box and an anchor chain system in the floating breakwater system; a sea condition environment where the system is located is given; motion of the anchor chain unit is described, and a global position vector of any point P on the axis of the anchor chain unit is given; constructing an expression of an anchor chain unit kinetic energy and mass matrix; calculating strain energy and elastic force of the anchor chain unit; calculating the environmental load borne by the floating breakwater anchor chain system; assembling a system mass matrix and a constraint equation of the system; establishing a dynamic equation set of the system, and correcting to obtain a first-order differential equation set; performing simulation to extract displacement, speed and acceleration data of the top end of the anchor chain rope, and substituting the data as external constraint conditions of the top end of the anchor chain into the dynamic equation set; and performing dynamic solution on the first-order differential equation set. According to the invention, the accuracy of dynamic response calculation is improved.

The invention discloses a seawater exchange type breakwater management method based on intelligent control, and particularly relates to the technical field of breakwater management. By constructing a multi-parameter correlation model, environmental data such as dissolved oxygen, turbidity and water temperature are collected in real time, the coupling relation is identified, and a risk factor value is calculated, so that a water change control decision is dynamically corrected; by controlling execution units such as a water gate, a water pump or a valve, water changing operation is accurately implemented, feedback data is collected after operation, the control effect is evaluated, then self-adaptive optimization of a next round of strategy is achieved, and the judgment accuracy, control flexibility and ecological safety of the system in a complex environment are effectively improved.

The adjustable floating breakwater comprises a front floating box and a rear floating box which are fixedly connected, a water guide plate capable of rotating around a rotating shaft in the left-right direction is arranged on the upper end face of the front floating box, a plurality of water guide grooves are formed in the rear end of the water guide plate, and a power generation mechanism is arranged at the position, corresponding to the water guide grooves, of the front end of the water guide plate; the rear end of the upper end face of the front buoyancy tank is rotationally connected with a water guide arc plate, the water guide arc plate is located above the rear end of the water guide plate, and the arc-shaped concave face of the water guide arc plate is a wave facing face. A plurality of guide plates are arranged between the front buoyancy tank and the rear buoyancy tank; the first driving mechanism drives the water guide plate to rotate up and down so as to adjust the inclination angle of the water guide plate; the second driving mechanism drives the water guide arc plate to rotate front and back so as to adjust forward thrust to the front buoyancy tank, and meanwhile drives the flow guide plate to rotate left and right so as to adjust the flow guide plate to form an angle with incoming flow. The floating breakwater is convenient to adjust, long-period waves are effectively reduced, long waves are used for autonomous power generation, self-generated power is used for controlling components on the breakwater, and meanwhile the stability of the floating breakwater is improved.

The invention discloses a near-shore ship tracking method and device based on multi-source data fusion and a storage medium, and the method comprises the steps: obtaining and processing first-class radar point cloud data of a wind power plant millimeter wave radar, vibration sensor data of a breakwater, AIS data and second-class radar point cloud data of multiple radar stations; performing space alignment and time alignment on the processed first type of radar point cloud data and the processed second type of radar point cloud data, and performing time alignment on the processed AIS data; fusing the aligned data to obtain target state information; and predicting a plurality of states of the ship at future moments based on the target state information to obtain a plurality of corresponding prediction trajectories, correcting the prediction trajectories based on a wind power plant wake flow model, and screening out an optimal trajectory from the corrected prediction trajectories as a ship track. Therefore, the method can improve the multi-dimensional anti-risk capability, has higher safety guarantee, and can improve the supervision efficiency in a novel offshore wind power plant and other complex environments.

The invention relates to a tide level obtaining method and system based on an OWC wave energy conversion device. The method comprises the following steps: constructing an energy loss prediction model in the air chamber; acquiring field incident wave energy, reflected wave energy, water potential energy increment, kinetic energy increment and pneumatic output energy at the current time period; inputting incident wave energy and reflected wave energy into the model to obtain predicted energy loss; and the tide level variation is solved based on the energy conservation relational expression, and the current tide level is calculated. The system comprises an energy loss prediction module, a wave energy acquisition module, a water body energy acquisition module, a pneumatic output acquisition module, an energy loss calculation module, a tide energy solving module and a tide level calculation module, which cooperatively realize the method. According to the scheme, an external tide gauge station is not needed, the local sea area tide level can be inversed in situ, at high frequency and with high precision, the method is suitable for an OWC-breakwater fusion scene, and cooperative operation of a port and ocean energy is supported.

The invention provides an intelligent operation and maintenance decision planning method and device based on port breakwater wind power. According to the method, sea conditions, meteorology, structural health and wind turbine generator operation data of a breakwater area are obtained; defense and application risk coefficients of the breakwater and the wind power equipment are generated based on sea conditions and meteorological data, and a defensive task is generated when the coefficients exceed a threshold value. And according to the structure health data, generating a structure health loss coefficient of the breakwater and the wind power equipment, and when a threshold value is exceeded, generating a repair type task. Generating a corresponding urgency coefficient according to a defensive or repair task; and generating a processing priority coefficient in combination with the target resource quantity and the processing duration of the daily task. And finally, based on the defense urgency coefficient, the repair urgency coefficient and the processing priority coefficient, generating a task processing sequence, and sequentially executing defense type, repair type and daily type tasks. According to the method, efficient and safe management of port breakwater wind power operation and maintenance is realized by monitoring and analyzing data in real time and intelligently sequencing tasks.

The invention belongs to the technical field of breakwaters, and relates to a novel breakwater and a construction method and a using method thereof. Each breakwater section of the breakwater comprises an upper platform, a buoyancy tank and a plurality of foundation piles. The upper platform is arranged on a plurality of foundation piles, and a manger board is arranged on the head wave side of the upper platform; pile holes in one-to-one correspondence with the foundation piles are formed in the floating box, so that the floating box is arranged on the foundation piles in a sleeving manner and can move up and down, and the floating box is locked on the foundation piles or unlocked through the hydraulic locking device; one side of the buoyancy tank is attached to the manger board, and the top surface of the buoyancy tank is higher than the bottom surface of the manger board after the buoyancy tank moves downwards to sit at the bottom; the buoyancy tank is provided with a plurality of hollow cavities, communicating pipes with electric valves are arranged on the side walls of the hollow cavities, water passing pipes connected with the water pump are arranged on the bottom walls of the hollow cavities, and the water pump rotates forwards or reversely to introduce water into or discharge the water out of the hollow cavities. The buoyancy tanks are locked on the foundation piles in small waves, the manger boards are used for blocking waves, the requirement for exchange of water inside and outside the port is met, the buoyancy tanks sink to sit at the bottom and jointly block the waves with the manger boards in large waves, and the wave blocking effect is remarkably improved.

The water surface floating type breakwater capable of dispersing the sea wave energy comprises a floating plate, the bottom of the floating plate is connected with a balancing weight through a fixedly-installed mooring rope, and the balancing weight is used for preventing anchor dragging of anchor mooring equipment; an underwater energy dissipation assembly is arranged at the bottom of the floating plate, and the underwater energy dissipation assembly is used for conducting energy dissipation treatment on energy under the water surface and attenuating the underwater energy; a water surface wave-proof assembly is arranged at the top of the floating plate and used for reducing energy of the sea waves step by step and dispersing the sea waves so as to reduce the overall sea wave energy.

The invention discloses a box type breakwater-semi-submersible photovoltaic platform-swing type wave energy integration device, and belongs to the technical field of offshore power generation devices. Comprising a plurality of box type breakwaters, the rear ends of the box type breakwaters are connected with a plurality of semi-submersible type floating photovoltaic platforms, mooring structures are arranged in the semi-submersible type floating photovoltaic platforms at the two ends, the semi-submersible type floating photovoltaic platforms in the vertical direction are connected through swing type wave energy devices, and the swing type wave energy devices are connected with the semi-submersible type floating photovoltaic platforms in the vertical direction. The semi-submersible floating photovoltaic platforms in the horizontal direction are connected through flexible connecting structures. By the adoption of the device, wave energy and solar energy cooperative power generation and multi-energy complementation are achieved, the limitation of a single photovoltaic platform on the power generation time is broken through, meanwhile, the swing type wave energy device with the PTO can further restrain the motion response of the floating body and improve the stability of the device at the time of capturing wave energy, and then the management efficiency is improved.

The invention discloses a novel floating breakwater-oscillating water column wave energy conversion device integrated system which comprises a breakwater assembly, the bottom of the breakwater assembly is fixed through an anchor chain, an air chamber is arranged in the breakwater assembly, the top of the air chamber is provided with an air hole pipeline, the air hole pipeline is connected with a turbine generator, and the turbine generator is connected with an oscillating water column wave energy conversion device. A permeable structure is fixed to the wave facing side of the breakwater assembly, and a gap is formed between the permeable structure and the breakwater assembly. A permeable structure, an oscillating water column wave energy device and a floating breakwater are integrated, the permeable structure is used for dissipating high-frequency short waves, reducing wave loads acting on the structure and improving the stability and survivability of the structure, and in order to improve the energy dissipation effect of the permeable structure, a certain distance is formed between the permeable structure and an air chamber structure; the OWC wave energy device is used for absorbing long-wave energy for power generation, and the blocking capacity of the integrated system to long waves is improved; through integration of the three, a basic platform is shared, sea area resources are saved, operation and maintenance cost is reduced, and diversification of functions of the integrated system is realized.

The invention discloses a combined type seafloor data center breakwater system which comprises a honeycomb protection layer, an energy dissipation middle cavity layer, a supporting wall layer and a flow guide adjusting mechanism, and the honeycomb protection layer, the energy dissipation middle cavity layer, the supporting wall layer and the combined type seafloor data center are sequentially arranged in the water flow and wave direction. The flow guide adjusting mechanism is installed on the supporting wall layer, the honeycomb protection layer and the energy dissipation middle cavity layer, the supporting wall layer and the honeycomb protection layer communicate with each other, the flow guide adjusting mechanism is used for adjusting the overflowing area of water flow flowing to the combined type seabed data center, and therefore the flow speed of the water flow is adjusted, and the honeycomb protection layer and the energy dissipation middle cavity layer are used for weakening vibration energy in waves. And the flow velocity influence of water flow is reduced. Wave dissipation and heat dissipation of the combined type seabed data center are well achieved, and the wave dissipation efficiency can be adjusted according to the sea condition.

The lifting type floating breakwater comprises an n-shaped floating box, a water tank, horizontal plates and a manger board, the water tank is embedded in a groove part of the n-shaped floating box in a lifting mode through a first connecting part, and the bottoms of two L-shaped floating bodies on the two sides of the groove part of the n-shaped floating box are each provided with one horizontal plate in a sliding mode through a second connecting part; an angle-adjustable manger board is arranged at the upper part of the head wave side of the n-shaped buoyancy tank through a third connecting part; when stormy waves are heavy, in the process that water is injected into the water tank, the water tank moves downwards and the water tank moves downwards, on one hand, horizontal plates on the two sides are pushed to be far away from each other to be unfolded, the width of the breakwater is increased, and on the other hand, the inclination angle of a manger board is increased, and long-period waves are adjusted; when the water tank descends to the bottom, the n-shaped buoyancy tank is driven to sink, so that the overall draft of the breakwater is increased, and the stability is improved. According to the invention, the stability is improved, the capability of reducing different waves is enhanced, and the flexibility and the stability are improved at the same time.

The invention relates to a breakwater structure for wave power generation and a construction method of the breakwater structure. The breakwater structure comprises a lower barrel body, an upper caisson and a power generation device. A compartment is arranged in the upper caisson, and the power generation device is installed in the compartment. A wave inlet hole is formed in the wave facing side of the upper caisson, a cast-in-place adjusting node is arranged on the top of the upper caisson, and a wave wall, a cable pipe trench, a detachable road plate and an overhauling device are sequentially arranged above the node. The breakwater structure and the wave power generation system are integrated by adopting standard barrel type foundation factory prefabrication and floating transportation installation and combining cast-in-place joint leveling and the detachable road plates. The structure has the advantages of being convenient to construct, controllable in cost, stable in structure, convenient to maintain and the like, is suitable for wave power generation under medium and small wave conditions, and is particularly suitable for green power supply and coast protection in areas such as ports and islands.

The application relates to the technical field of wave power generation, in particular to a novel box-cylinder type foundation breakwater structure, a working method and an installation method, which comprise front rows of power generation towers and rear rows of power generation towers; the front rows of power generation towers are provided with front guide pipes and horizontal front elastic units, and the rear rows of power generation towers are provided with rear guide pipes and horizontal rear elastic units. When waves surge, the waves will strike the horizontal front elastic units and the horizontal rear elastic units and surge into the front guide pipes and the rear guide pipes, that is, the front rows of power generation towers and the rear rows of power generation towers can be simultaneously impacted by the waves and can dissipate the energy of the waves for multiple times, and the front rows of power generation towers and the rear rows of power generation towers both adopt the combined mode of wave surging power generation and wave striking power generation to generate electricity. The application can improve the recycling rate of wave energy, thereby improving the power generation efficiency of the wave energy.

The invention discloses a hazardous chemical substance wharf breakwater monitoring system and method based on multi-source data integration. The method comprises the steps that firstly, multi-mode monitoring data of a first breakwater surface structure, an environment load, a breakwater underwater structure and a breakwater second surface structure are obtained through a multi-source sensor; calculating four safety monitoring coefficients of the first surface structure, the environment, the underwater structure and the second surface structure by using a model comprising a spatial-temporal feature extraction module, a dynamic feature analysis module and a multi-source data fusion module; an eight-layer fine-grained cross fusion mechanism is innovatively introduced, and deep interaction and fusion of multi-modal features are realized through cross-modal attention, gating aggregation and other methods; a dynamic threshold value is obtained by establishing a digital twinborn model, and self-adaptive adjustment is carried out based on fine-grained feature distribution; and finally, accurate early warning from a single index to a multi-mode associated risk is realized through multi-level early warning logic. According to the invention, the state perception and risk early warning capability of the complex system of the hazardous chemical substance wharf is improved.

The invention relates to the technical field of breakwaters, and discloses a novel floating breakwater provided with tuned liquid mass dampers, which comprises a floating box, a fixing frame is mounted on the outer side of the floating box, a buoyancy plate is arranged at the lower end of the fixing frame, and assembling components are arranged on the left side and the right side of the fixing frame. Mooring assemblies are arranged on the front side and the rear side of the fixing frame, a sealing cover is connected to the upper end of the floating box in a screwed mode, two sets of partition plates are installed in an inner cavity of the floating box, damping chambers are formed between the partition plates and the floating box and between the two partition plates, and damping mechanisms are installed in inner cavities of the damping chambers. The floating breakwater is simple in structure and low in cost, the movement response amplitude of the floating breakwater under the action of waves can be remarkably reduced, the reflection effect on incident waves is improved, meanwhile, radiation waves generated by movement of the floating breakwater are reduced, and therefore the sea area behind the breakwater is better shielded.

The present invention discloses a wave energy conversion type double semi-circular breakwater and a conversion method under various wave conditions, which includes a first semi-circular breakwater and a second semi-circular breakwater that overlap front and back, and a partition is arranged to extend downward at the overlapping part, and a transducer module is arranged upward at the overlapping part; the transducer module is communicated with the front air chamber; the first semi-circular breakwater and the partition enclose the front air chamber, and the partition and the second semi-circular breakwater enclose the rear air chamber; a narrow opening is arranged on the partition, and the front air chamber and the rear air chamber are communicated through the narrow opening; a water inlet is arranged on the outer wall of the front air chamber; a conduit that is integrally connected is arranged on the inner wall of the front air chamber, the partition and the inner wall of the rear air chamber, and one end of the conduit is communicated with a multi-row of small-diameter air holes arranged on the upper part of the outer wall of the front air chamber. The present application realizes the utilization of energy of small waves and the dissipation of the mechanical energy of water bodies during large waves, and reduces the overtopping frequency at the crest of the breakwater.

The invention provides a marine floating bridge or floating breakwater connecting block. The marine floating bridge or floating breakwater connecting block comprises a connecting block body; in the longitudinal direction, the upper end and the lower end of the connecting block body are each connected with a limiting plate. In the left-right direction, the connecting cable penetrates through the connecting block body and protrudes out of the left side and the right side of the connecting block body, the connecting cable is fixed to the interior of the connecting block body, and the left end and the right end of the connecting cable are each connected with a seaborne floating bridge. The side face of the seaborne floating bridge or the floating breakwater is provided with a concave connecting hole, a connecting bolt rod is arranged in the connecting hole, and the connecting cable is connected with the connecting bolt rod after being inserted into the connecting hole. The rubber cylinders are arranged between the floating bridges, energy generated by wave impact is absorbed through elastic deformation of rubber, collision and extrusion between the floating bridges are effectively reduced, the risk that a concrete structure of the floating bridge or a floating breakwater is damaged is reduced, and the stability and safety of the floating bridge under the severe sea condition are remarkably improved.

The invention discloses a semi-cylindrical shell floating breakwater with a multi-stage energy dissipation and vibration reduction and flexible mooring system, and belongs to the technical field of ocean engineering. The breakwater aims at solving the technical problems that an existing floating breakwater is limited in energy dissipation efficiency under the complex sea condition, the overall motion response is violent, and the stress of an anchoring system is too large. The breakwater comprises a floating body unit which is provided with a semi-cylindrical shell and a floating box, and a plurality of rows of wave dissipation holes are formed in the head wave side of the shell; the energy dissipation and vibration reduction system is arranged below the buoyancy tank and comprises a vertical connecting rod, a horizontal through hole vibration reduction heaving plate, a first vibration reduction damper arranged on a section of the vertical connecting rod and a vertical through hole wave dissipation plate; and the flexible anchoring system comprises an anchor block arranged on the seabed, an anchor chain for connecting the anchor block and the floating box, and a second vibration reduction damper arranged on the anchor chain. The breakwater is mainly used for wave protection and energy dissipation in ports, coast and offshore engineering areas.

【assignment】 Budgetary constraints make it difficult to build levees high enough to accommodate predicted tsunami heights. Construction of tsunami evacuation shelters has also been slow due to the risk of blocking visibility of the ocean. [Solution] By utilizing the existing coastal levee in front of us and stacking a tsunami evacuation shelter that protrudes higher than the levee height on its backside, we can be satisfied with the height and strength. Even if submerged by a tsunami, the box-shaped structure of the tsunami evacuation shelter retains air inside, so people can survive. Just like having an evacuation shelter right in front of you in your daily life, it is easy to gain support for raising the levee. Quick evacuation with the whole family is possible. Peace of mind 24 hours a day. Being prepared is a blessing. Being able to live each day safely and with peace of mind is truly a blessing.

The invention discloses a concrete wave wall formwork trolley with an auxiliary vibration compact structure, which comprises a door-shaped frame, a wave wall formwork group is arranged at the bottom of the door-shaped frame, and a vibration guide mechanism positioned above the wave wall formwork group is arranged at the bottom of the door-shaped frame; walking wheels which are uniformly distributed are mounted at the bottom of the door-shaped frame and are distributed on two sides of the wave wall template group; the wave wall formwork set comprises two side formworks, evenly-distributed connecting blocks are fixedly installed on the sides, opposite to each other, of the two side formworks, and evenly-distributed control screw rods are connected to the door-shaped frame in a threaded mode. A tamping function is integrated on the trolley, so that bubbles are discharged from concrete, gaps are filled and the like, the concrete is more compact, the engineering quality of a built wave wall is improved, meanwhile, a traditional manual control tamping mode is replaced, the functionality of the trolley is enhanced, and the tamping efficiency and quality are improved.

The invention provides a breakwater floating body, a breakwater floating body structure optimization method and device and a storage medium, and the breakwater floating body comprises a first floating body which is fixed through a mooring rope and floats in the ocean; the second floating body is connected with the first floating body, open holes are formed in the surface of the second floating body, and the second floating body is hollow, so that the second floating body is communicated with seawater; the multiple damping parts are evenly distributed on the periphery of the second floating body at equal intervals, and each damping part is connected with the surface of the second floating body through a connecting piece; the damping parts are hollow, and the upper surfaces and the lower surfaces of the damping parts are provided with open holes to restrain the heaving motion of seawater. The structural parameters of the floating body of the damping component are iteratively optimized through the structural optimization method of the breakwater floating body, so that the stability and the wave resistance effect of the whole breakwater floating body are improved, the problem that potential risks are possibly caused by insufficient stability of a traditional floating breakwater is solved, and the safety of ships, coast and offshore structures is greatly improved.

The invention relates to the technical field of breakwaters, in particular to a breakwater embedded with an oscillating water column type wave energy power generation device adapting to tidal range variation, which comprises a breakwater body, a plurality of mounting grooves are formed in the head wave surface of the breakwater body and are respectively arranged at intervals in the horizontal direction, and a driving system is arranged in each mounting groove. The driving system is connected with an oscillating water column type wave energy power generation device, and the oscillating water column type wave energy power generation device is driven by the driving system to ascend and descend in the vertical direction. A plurality of oscillating water column type wave energy power generation devices are embedded in the head wave face of the breakwater body at intervals, and the heights and opening orientations of the oscillating water column type wave energy power generation devices are flexibly adjusted through the driving system so as to adapt to and be matched with tidal range changes and incoming wave direction changes of a service sea area; on the basis of maintaining stable mooring conditions in the harbor, energy absorption and capture of waves with different tide levels and incoming wave directions are achieved in an efficient mode, and the capture efficiency is improved to the maximum extent.

The invention discloses an elastic Bragg breakwater structure response prediction method, and belongs to the technical field of ocean engineering structure dynamic response prediction, and the method comprises the steps: obtaining the front and rear wave surface elevation and motion response data of a breakwater; a double-flow attention mechanism based on physical prior guidance is constructed, and wave-structure interaction is decoupled into two parallel attention flows of structural dynamic evolution and wave-structure coupling feedback; a self-attention mechanism is combined with a time decay physical prior coding structure motion feature, and a bidirectional cross attention mechanism based on a resonance characteristic is combined with a wave-structure phase relation physical prior coding coupling feature; the double-flow features are adaptively integrated through a global context fusion module, and a multi-step prediction sequence is output through linear layer decoding; and a time-frequency domain joint loss function optimization model is adopted, so that the prediction precision is improved. According to the method, physical prior is explicitly embedded into an attention mechanism and is improved by more than 16% compared with an optimal baseline model, and the generalization ability is enhanced by more than 13% under the working condition that waves do not appear.

The wave energy capturing and wave absorbing integrated device based on the Helmholtz resonance principle comprises a dike body, the dike body is sequentially provided with a front baffle, a front air chamber, a middle air chamber, a rear air chamber and a rear baffle in the wave incidence direction, and a three-stage series type wave absorbing structure is jointly formed; a front gas-guide tube and a rear gas-guide tube are respectively arranged at the tops of the front gas chamber and the rear gas chamber, and the front gas-guide tube, a top gas cavity of the middle gas chamber and the rear gas-guide tube are respectively connected with a confluence header pipe through pipelines; a one-way air inlet valve and a one-way exhaust valve are arranged on the top of each air chamber and each air guide pipeline; the air outlet end of the confluence header pipe is connected with a one-way air turbine. On the premise that the physical size of the structure and the construction cost are not remarkably increased, the wave absorbing frequency band can be effectively widened, particularly the wave absorbing performance on long-period waves is remarkably improved, and therefore the defects of a traditional breakwater and a traditional OWC device in the aspects are overcome.

The invention relates to the technical field of wave power generation, in particular to a novel box-barrel type foundation breakwater structure and a working and mounting method thereof, and the novel box-barrel type foundation breakwater structure comprises a front-row power generation tower and a rear-row power generation tower; the front-row power generation tower is provided with a front flow guide pipe and a horizontal front elastic unit, and the rear-row power generation tower is provided with a rear flow guide pipe and a horizontal rear elastic unit. When surging, waves slap the horizontal front elastic unit and the horizontal rear elastic unit and flow into the front flow guide pipe and the rear flow guide pipe, that is, the front-row power generation tower and the rear-row power generation tower can be impacted by the waves at the same time, and energy dissipation is conducted on the waves for multiple times. And the front-row power generation tower and the rear-row power generation tower both adopt a wave inrush power generation and wave slapping power generation combined mode to generate power. The recycling rate of the wave energy can be increased, so that the power generation efficiency of the wave energy is improved.

The invention discloses an ecological breakwater impact pressure prediction method based on dimensionless parameter optimization, and relates to the technical field of marine ecological engineering. The method comprises the following steps: collecting measured data of wave characteristics, breakwater structure parameters and corresponding impact pressure under different working conditions, carrying out fitting processing to obtain a first function relational expression between the impact pressure and dimensionless parameters, and defining the dimensionless impact pressure as a ratio of the impact pressure to the wave kinetic energy density; obtaining a second function relation between the dimensionless parameter and the dimensionless impact pressure, constructing an optimization model which takes the minimum dimensionless impact pressure value as an objective function and the dimensionless parameter as an optimization variable, determining an optimal dimensionless parameter combination corresponding to the objective function, and obtaining a dimensionless impact pressure value; and simulating the wave impact process of the to-be-evaluated breakwater in the period T by using CFD, obtaining time series data of the dimensionless impact pressure fitting value, describing the time series data by using a Markov chain model, and obtaining a prediction result of the dimensionless impact pressure at the next moment.