31 results about "Wave force" patented technology

The invention discloses a ship maneuverability prediction method, a ship maneuverability prediction system and a ship maneuverability prediction device taking propeller performance changes into regular waves. The method comprises the following steps: firstly, calculating the motion response, the second-order wave drift force and the drift moment of a ship body under different regular wave conditions based on a potential flow theory, establishing a wave force fitting equation taking the wave direction and the navigational speed as variables, and performing ship manipulation motion numerical simulation in regular waves based on an obtained calculation result; acquiring an input parameter range of the propeller in a manipulating motion state; establishing a CFD numerical model of ship propeller performance in regular waves, simulating heaving and pitching motion of the propeller under motion response, determining the range of the heaving and pitching motion, and calculating propeller thrust data under different wave conditions and input parameters; and carrying out regression analysis on the propeller thrust data, and fitting to obtain a prediction formula of the propeller thrust coefficient in the regular waves. The formula couples the wavelength-to-length ratio, the advance speed coefficient and the wave direction angle, and quantifies the dynamic influence of the wave on the propeller thrust.

The invention belongs to the technical field of calculation of horizontal bearing capacity of foundations, and particularly discloses and provides an accurate calculation method for horizontal bearing capacity of an offshore wind power foundation, which comprises the following steps: integrating wave spectrum, wind regime, tide and soil mass parameters to form a multi-dimensional data set; a three-dimensional pile-soil model is constructed, and wave force and wind load are coupled; calculating a stiffness coefficient and identifying a pile body type in combination with a length-diameter ratio; quantifying an environment deviation compensation coefficient according to the pile body type; after the initial horizontal bearing capacity is calculated, the bearing capacity failure critical state is judged based on real-time displacement monitoring data, and if the critical state is reached, the initial bearing capacity is corrected through linear weighting of the displacement deviation compensation coefficient and the environment deviation compensation coefficient. According to the method, the time-varying environment load is dynamically coupled, the pile-soil interaction is finely simulated, a rigidity self-adaptive grading mechanism and a double compensation feedback system are established, and the calculation precision and the real-time early warning capability of the horizontal bearing capacity in the complex marine environment are remarkably improved.

The invention relates to the technical field of ocean engineering, in particular to a method for acquiring a wave force load of a cylindrical structure under a complex array in an ocean environment, and the method is used for improving the safety and reliability of an engineering structure. According to the method, the phenomena of non-uniform distribution and local amplification of wave force borne by a single component due to interaction between waves and a hydrodynamic interference effect in an array structure are considered, a wave force calculation model is determined through combination of numerical simulation and a physical test, and the wave force is calculated through the model provided by the invention. According to the method, the wave force load of the independent cylindrical structure in the original array can be rapidly obtained, and experiments prove that the method is high in precision and small in error and can provide reliable basis for engineering construction.

The application relates to the technical field of ocean engineering, in particular to a wave load calculation method for a near-free-surface cylindrical structure in a marine environment, which can accurately predict a circular rod and the like in a marine structure located in a region near a free surface, is especially suitable for wave force estimation of a horizontally arranged cylindrical structure under the action of transient strong nonlinear waves in an extreme wave environment, and improves the precision of structure stress prediction and the safety of engineering design, and specifically comprises the following steps: a wave force calculation model is established based on a classic Morison equation, a focused wave field is constructed, wherein the focused wave is constructed by superimposing multiple regular wave components, so that an idealized free liquid surface profile is formed, and then horizontal wave force and vertical wave force are respectively calculated in the focused wave field, compared with the prior art, the method has wider applicability, can effectively process wide-frequency multi-component focused wave field modeling, and is especially suitable for application of engineering early design and parameter sensitivity analysis.

The application belongs to the technical field of foundation horizontal bearing capacity calculation, and specifically discloses a kind of offshore wind power foundation horizontal bearing capacity accurate calculation method, the method comprises: integrating wave spectrum, wind condition, tide and soil parameters to form multidimensional data set;Three-dimensional pile soil model is constructed and wave force and wind load are coupled;Stiffness coefficient is calculated and combined with length-diameter ratio to identify pile type;According to the type of pile, the environmental deviation compensation coefficient is quantified;After calculating the preliminary horizontal bearing capacity, the bearing capacity failure critical state is judged based on real-time displacement monitoring data, if the critical state is reached, the preliminary bearing capacity is modified by linear weighting of displacement deviation compensation coefficient and environmental deviation compensation coefficient.The application dynamically couples time-varying environmental load, simulates the interaction between pile and soil in detail, establishes a stiffness self-adaptive grading mechanism and a double compensation feedback system, significantly improving the accuracy and real-time warning capability of horizontal bearing capacity calculation in complex marine environment.

The invention discloses a device and a method for synchronously measuring wave force and pile foundation scouring in real time, the device is used for a single-pile physical model in an ocean structure, the device comprises a vertical cylinder, an upper cylinder, a lower cylinder, a fixed pulley, a slidable bolt, a fixed chassis, a high-elastic rubber pipe and a steel wire rope, and a gap is reserved between the upper cylinder and the lower cylinder; when the bottom round hole of the upper cylinder and the top round hole of the lower cylinder are aligned by utilizing the slidable bolt, the bolt is automatically located in the lower cylinder under the traction of the high-elastic rubber tube on the fixed chassis, and the wave force borne by the cylinders can be measured after the force sensor is fixed at the top end of the upper cylinder. After the lower cylinder is buried in a sand bed, pile foundation scouring can be achieved under the condition of incoming waves and incoming flows. The device can simultaneously complete measurement of wave force and pile foundation scouring, solves the problem that pure wave force cannot be measured due to bottom bed stress after the pile foundation is buried in a sand bed, can better reproduce actual conditions faced by the pile foundation of an ocean structure, and lays a foundation for wave force research under pile foundation scouring.

The present application relates to a kind of simple calculation method of shallow foundation and clay seabed interface failure time under extreme storm surge action.The technical scheme is: measuring the roughness R of shallow foundation a , making structure;Collecting seabed clay at shallow foundation, carrying out dynamic simple shear test, test structure and the initial undrained shear strength S of clay interface u ;Select and set 0.4S u , 0.6S u , 0.8S u And 1S u As the typical amplitude of extreme storm surge load;Measured structure and the corresponding period number N of clay interface failure;Fitting extreme storm surge load amplitude and period number N logarithmic curve;According to wave force calculation formula, load amplitude is calculated;The amplitude is substituted into logarithmic curve and the corresponding period number N of interface failure and failure time are obtained.The present application can calculate the failure time of shallow foundation and seabed interface under extreme storm surge, provide the time length of shallow foundation against storm surge, determine the stability of shallow foundation, provide feedback for whether the shallow foundation of engineering site needs to be reinforced to resist extreme storm surge.

The invention relates to the technical field of wave power generation, in particular to a wave power generation conversion device and a power generation system.The wave power generation conversion device comprises a floating body and a pull rod assembly connected into the floating body in a sliding mode; at least one power generation unit and at least one resonance unit are installed in the floating body, the power generation unit is in power connection with the pull rod assembly, when the floating body floats up and down, the pull rod assembly drives the power generation unit to generate power, and the resonance unit is used for generating power when the floating body floats up and down. According to the wave power generation device, the floating body floating on the water surface is adopted, relative movement is generated between the floating body and the pull rod assembly under driving of up-and-down fluctuation of the waves, the power generation unit is driven by means of the movement to generate power, and therefore the purpose of wave power generation is achieved; and secondly, the resonance unit is matched with the relative movement between the pull rod assembly and the floating body, more wave energy can be captured, the floating body and waves generate resonance, and more energy is captured for power generation.

The invention discloses a method for calculating the hydrodynamic force value of a posture-adjustable culture net cage, and the method comprises the steps: defining a wave field where the net cage is located, and setting the wave coverage range, the seabed range and the water depth where the net cage is located; establishing a net cage frame finite element model; establishing a netting finite element model; establishing a net cage mooring system model; environment variables are defined, and ocean current waves are simulated; loading the attitude parameters of the net cage; solving the motion response and the structure stress of the net cage; and comparing and analyzing each attitude motion response and structure stress difference of the net cage. Wherein the step of establishing the net cage frame finite element model comprises the substeps of defining circular tube nodes and section attributes; and performing beam unit simulation, and calculating the wave force by using a Morison equation. And establishing a netting finite element model, namely simulating the netting by adopting an equivalent surface unit, defining compactness parameters, and calculating resistance and lift force by using a screen model.

The application belongs to the field of hydrodynamic calculation of ocean engineering, and particularly relates to a liquid surface grid modeling method for wave force analysis of a small water plane TLP wind turbine platform, comprising the following steps: determining a free liquid surface outer radius and a high-density grid area radius; constructing a high-density area within the high-density grid area radius; taking the center of the wind turbine platform as an origin, constructing a star-shaped structured grid framework according to the number and layout of the platform columns, and performing grid division on the free liquid surface in the star-shaped structured grid framework according to the maximum grid length; establishing a transition area between the high-density grid area radius and the outer boundary of the transition area, and establishing an edge area between the outer boundary of the transition area and the free liquid surface outer radius; and performing grid division on the transition area and the edge area by using a concentric ring division method; and obtaining a free liquid surface calculation model based on the high-density area, the transition area and the edge area after grid division. The application can significantly improve the calculation accuracy of the second-order wave force under extreme sea conditions.

The invention discloses a damping control method for wave force prediction based on AUKF, and belongs to the technical field of wave power generation. The method provided by the invention comprises the following steps: acquiring wave time domain data and calculating exciting force; constructing a state space model taking the instantaneous parameter of the exciting force as a state quantity; the instantaneous frequency and amplitude of the exciting force are estimated online in real time by adopting an AUKF algorithm, and the AUKF algorithm dynamically and adaptively adjusts a noise covariance matrix through an innovative sequence so as to improve the estimation precision and stability; and finally, dynamically calculating and outputting an optimal damping coefficient according to the estimated instantaneous frequency, so that the impedance of a wave energy converter (WEC) is matched with the current sea condition, and maximum power capture is realized. According to the method, the problems of poor adaptability, low precision and insufficient stability of a traditional fixed damping or EKF / UKF-based control method under complex and time-varying sea conditions are solved, and the energy capture efficiency of wave energy and the robustness of a control system are remarkably improved.

The present application provides a kind of breakwater wave force real-time calculation method and system, it is related to port safety monitoring technical field.The method is by wave monitoring sensor array and structural response monitoring sensor network synchronous acquisition wave parameter and structural response data;Based on wave parameter and initial wave force calculation model, obtain initial wave force value;Utilize structural response data through structural mechanics model conversion and numerical difference analysis, obtain error signal;Combined with error signal and environmental state monitoring data, using reinforcement learning algorithm dynamically adjusts model parameter;Finally, based on the model parameter of optimization, recalculate to obtain real-time wave force value.The present application realizes the dynamic correction and self-adaptive optimization of wave force calculation, effectively improves the accuracy and real-time of breakwater safety monitoring.

This invention discloses a float-type power generation device that combines wave and current utilization, addressing the technical problems of single-source marine energy utilization and low power generation efficiency in existing power generation devices. It includes a float power generation component, a turbofan power generation component, and a support column. During operation, the float, under the influence of wave forces, undergoes relative oscillation motion with the support column. A hydraulic cylinder, driven by a rigid disc, converts the mechanical energy absorbed by the relative motion into hydraulic energy. The hydraulic energy is converted into kinetic energy by a rotating hydraulic motor, which in turn drives a generator to generate electricity. The turbofan power generation component is rigidly connected to the support column. During the oscillation motion of the float, the turbofan, under the influence of ocean current forces, maintains rotation in one direction, continuously generating electricity through a transmission mechanism. The turbofan and float hydraulic systems each employ an independent transmission mechanism, enabling effective comprehensive utilization of wave and tidal energy and improving the utilization rate of marine energy. The device's transmission system has a simple structure and high energy transfer efficiency.

The objective is to provide wave power generation equipment with construction costs kept to a level that does not hinder widespread adoption. [Solution] The wave power generation device 1 of this embodiment comprises a floating body 2 having a specific gravity less than seawater, an installation body 3 held in the sea, a power generation device 4 fixed to the installation body 3, an anchor weight 6 installed on the seabed, and a wire rope 7 connecting the installation body 3 and the anchor weight 6. The floating body 2 is provided with a rack gear 14, and the power generation device 4 is provided with a pinion gear 19. The rack gear 14 and the pinion gear 19 mesh together, and as the floating body 2 moves up and down due to wave force, the pinion gear 19 rotates and the power generation device 4 generates electricity.

This application relates to the field of marine engineering technology, and discloses a floating breakwater with a resonant cavity and its hydrodynamic performance analysis method. The method includes: constructing a floating breakwater model; determining the target length and target width of the resonant cavity, the wave-facing open-type wave-dissipating chamber, and the wave-repelling open-type wave-dissipating chamber on the leeward side; dividing the entire fluid domain of the floating breakwater into multiple regions; obtaining the velocity potential of each region; calculating the wave force of the floating breakwater; using the velocity potential of each region to express the added mass and radiation damping of the floating breakwater when it undergoes unit forced oscillation, so as to construct the motion response equation of the floating breakwater in the frequency domain under wave action; obtaining the transmission coefficient and energy dissipation coefficient of the floating breakwater through the equation set, and evaluating the shielding performance and wave-dissipating performance of the floating breakwater based on each coefficient. The synergy of the resonant cavity and the open-type wave-dissipating chamber can improve the wave-dissipating efficiency, and the analysis method can provide an efficient and reliable basis for the design of breakwaters.

This invention relates to the field of breakwater technology, specifically to a floating breakwater structure integrating aquaculture, wave dissipation, and power generation. It includes buoys and multiple side floats. Each side float has a vertical breakwater plate detachably connected to its bottom symmetrically. A side fixing plate is detachably connected to one side of each vertical breakwater plate at equal intervals. A horizontal column is detachably embedded in the side fixing plate, and a movable locking block slides through the column. Multiple movable locking blocks share a common connecting column. Vertical columns are equidistantly embedded in the vertical breakwater plate, and side breakwater plates are movably connected to each column at symmetrical positions. The other end of each side breakwater plate is rotatably connected to a connecting column. In this invention, when the first spring is stretched and the second spring is compressed to a certain extent, the first and second springs return to their initial triangular state between the two side breakwater plates and the vertical breakwater plate. At this point, the impact force of the waves forces the side breakwater plates to repeat the above movement, continuously reciprocating to achieve the wave dissipation effect.

The invention discloses a mathematical model-based wave visual simulation method and simulation system. The mathematical model-based wave visual simulation method comprises the following steps of: constructing a consistent wave spectrum model; initializing a wave spectrum model, and calculating and generating a wave amplitude array; acquiring the position, speed and course of the ship, and calculating encounter frequency; a wave height field is calculated and generated, and the height of encountered waves is calculated according to the position of the ship; wave force is calculated, the wave height field is accelerated through a GPU to generate a wave height map, and a wave scene is generated; calculating the position, speed, course and attitude of the ship, and updating the three-dimensional model display of the ship; according to the method, the problem that visual simulation and a dynamic response model are disjointed is effectively solved, the ship motion visual scene is highly consistent with a physical calculation result, immersive ship motion visual scene experience can be provided for a user, real interaction between a ship and waves can be accurately simulated, and the ship motion visual scene experience is improved. The practical value of visual simulation in the fields of ship control system design, seakeeping analysis and sailor safety training is improved.

The invention provides a wave power generation method and system with a self-protection function, and the method comprises the steps: obtaining an original image of each power generation unit in real time, and obtaining the number of available power generation units through image recognition; and if the available quantity is greater than zero, monitoring wave information and judging whether the sea condition is an extreme sea condition. Normal power generation is carried out in non-extreme sea conditions; and if the sea condition is the extreme sea condition, entering a self-protection mode. In the mode, a self-protection electromagnetic torque instruction is generated according to the real-time wave force and a preset threshold value, then q-axis and d-axis current instructions are obtained, a generator is driven to enable a floater to actively jump, and power generation self-protection is achieved. According to the wave energy power generation method and system with the self-protection function, available power generation modules are judged through image recognition, the floater is actively controlled to jump to avoid wave impact, and the reliability, safety and power generation efficiency of a wave energy power generation device in a complex marine environment can be effectively improved.

The invention belongs to the field of ocean engineering, and particularly discloses a floating type wind power-gyro device coupling dynamic response analysis method which comprises the following steps: decoupling a Cummins equation and estimating a state space model; establishing a gyroscope device dynamic model; establishing a floating type wind power-gyro device coupling dynamic equation based on the coupling dynamic equation; and calculating the reaction torque of the gyro device to the floating type wind power structure, combining the reaction torque with the wave force, substituting the combined reaction torque into a state space model formed by the equivalent state space model and the coupling dynamic equation, and calculating the coupling motion response of the floating type wind power-gyro device. According to the method, the dynamic response of the coupling system can be accurately analyzed, and theoretical support is provided for design of a gyro device and effective suppression of pitching motion of a floating type offshore wind power structure.

The invention relates to the technical field of ocean engineering, and discloses an energy dissipation floating breakwater with a resonance type cavity and a hydrodynamic performance analysis method of the energy dissipation floating breakwater. Respectively determining target lengths and target widths of the resonant cavity, the wave head side perforated wave dissipation chamber and the wave back side perforated wave dissipation chamber; the whole fluid domain of the floating breakwater is divided into a plurality of areas; solving the speed potential of each region; calculating the wave force of the floating breakwater, and expressing the additional mass and radiation damping when the floating breakwater performs unit forced oscillation by utilizing the speed potential of each region so as to construct a motion response equation of the floating breakwater in a frequency domain under the action of waves; the transmission coefficient and the energy dissipation coefficient of the floating breakwater are obtained through the equation set, and the shielding performance and the wave dissipation performance of the floating breakwater are evaluated according to all the coefficients. The cooperation of the resonant cavity and the perforated wave dissipation chamber can improve the wave dissipation efficiency, and the analysis method can provide an efficient and reliable basis for the design of the breakwater.

The invention relates to the technical field of aquatic culture, in particular to a liftable net cage with a wave dissipation function and a use method thereof. Comprising a cross beam; the inclined struts are fixedly connected between the cross beams; the pile column is vertically and fixedly connected below the cross beam; the pile legs are slidably connected to the bottoms of the piles; and the control rods are rotationally connected into the piles. Compared with the prior art, the structure can overcome the defects that a traditional breeding unit is poor in wave resistance and prone to being damaged in a strong wave environment, wave force transmitted to the breeding unit is reduced through the wave energy dissipation effect of the overall rigid structure and the inclined strut net-shaped face, the stability and safety of the breeding unit are enhanced, and the breeding unit can be used for breeding a large number of breeding plants. The service life of the device in a complex marine environment can be prolonged; and in combination with the height function of the net-shaped surface capable of being adjusted along with the tide level in a linkage manner, the wave dissipation structure is always located at the optimal working position, and the adaptability and the buffering effect under the severe sea condition are further improved.

The invention introduces a wave energy conversion system that utilizes the kinetic energy of water body waves, transforming it into usable energy. The system is innovatively designed with two buoyant bodies that, through their multi-dimensional non-parallel arrangement, form a recess optimized for capturing wave energy from. One of the system's distinctive features is its capacity to passively modify the relative orientation of the buoyant bodies, to become more parallel, in response to large wave forces, which serves to maintain stability under varying sea conditions. Concurrently, the system boasts advancements in the realm of installation and maintenance, presenting a streamlined approach that significantly alleviates the challenges traditionally associated with deploying and upkeeping marine energy converters. These aspects together underscore the system's novel contributions to enhancing the operational efficiency and sustainability of wave energy conversion technology.

The invention belongs to the field of ocean engineering hydrodynamic force calculation, and particularly relates to a liquid level grid modeling method for small water plane TLP fan platform wave force analysis, which comprises the following steps of: determining a free liquid level outer radius and a high-density grid region radius; constructing a high-density area within the radius range of the high-density grid area, constructing a star-shaped structured grid frame by taking the center of the fan platform as an original point according to the number and layout of stand columns of the platform, and performing grid division on a free liquid level in the star-shaped structured grid frame according to the maximum grid length; establishing a transition area between the radius of the high-density grid area and the outer boundary of the transition area, establishing an edge area between the outer boundary of the transition area and the outer radius of the free liquid level, and performing grid division on the transition area and the edge area by adopting a concentric ring division method; and obtaining a free liquid level calculation model based on the high-density area, the transition area and the edge area after grid division. According to the method, the calculation precision of the second-order wave force under the extreme sea condition can be remarkably improved.

The invention discloses a fishing port wind-sheltering grade evaluation method based on multi-parameter coupling, which comprises the following steps: selecting evaluation indexes, including evaluation of wind level, wave height of a wind-sheltering water area, water flow velocity and ship type related parameters of fishing boats in the wind-sheltering water area, calculating wind pressure, flow pressure and wave force borne by large, medium and small fishing boats according to a formula through collected index data, and evaluating the wind-sheltering grade of the large, medium and small fishing boats. Calculating the stress of a single anchor, comparing the stress with the holding power of the fishing boat anchor, carrying out parameter coupling analysis, endowing each evaluation index with a weight through an analytic hierarchy process, and reflecting the influence degree of different indexes on the wind sheltering capability of the fishing port through the weights; according to the invention, through mutual cooperation of multiple groups of data indexes, whether the fishing port wind-sheltering water area construction is in a standard range is judged, and the maximum wind level which can be resisted by large, medium and small fishing boats in the fishing port for safe wind sheltering is satisfied; and judging the wind-sheltering water area and the fishing boat anchoring mode of the large, medium and small fishing boats in the fishing port under the wind-sheltering level.

The invention provides a breakwater wave force real-time calculation method and system, and relates to the technical field of port safety monitoring. The method comprises the following steps: synchronously acquiring wave parameters and structural response data through a wave monitoring sensor array and a structural response monitoring sensor network; obtaining an initial wave force value based on the wave parameters and an initial wave force calculation model; utilizing the structural response data to obtain an error signal through structural mechanical model conversion and numerical difference analysis; dynamically adjusting model parameters by adopting a reinforcement learning algorithm in combination with error signals and environmental state monitoring data; and finally, recalculating based on the optimized model parameters to obtain a real-time wave force value. According to the method, dynamic correction and self-adaptive optimization of wave force calculation are realized, and the accuracy and real-time performance of breakwater safety monitoring are effectively improved.

The invention discloses a deep and far sea multi-scale plate-girder coupling truss aquaculture net cage strength evaluation method, which comprises the following steps of: calculating a wave load of a hydrodynamic model generated in a step S2 under marine environment working condition parameters set in a step S3 through a step S4, and fully considering a wave force difference acting on a large-scale ballast tank and a small-scale truss structure; step S5, mapping the panel wave force and the truss wave force obtained by calculation to the structural unit model generated in the step S1 for coupling so as to establish load mapping between the hydrodynamic model and the structural unit model; therefore, the structural strength information of the multi-scale net cage which comprises a large-scale ballast tank and a small-scale truss structure and has a variable-scale complex structure under the wave condition can be quickly and accurately evaluated through the step S6, and data support is provided for design, optimization and safety evaluation of deep and far sea aquaculture facilities and equipment. A large amount of manpower, material resources and financial resources can be saved, and practical engineering significance is achieved.

The application relates to the technical field of internal solitary wave experiment, and particularly provides an internal solitary wave acting force measuring device, system and method, which are used for measuring the internal solitary wave acting force on an underwater target arranged in an experimental pool, and comprise a first measuring part, a second measuring part, an acting force transmission part for rigidly connecting the first measuring part and the second measuring part, and a supporting part for positioning the measuring parts; the first measuring part comprises a first upper connecting rod, a first load cell and a first lower connecting rod which are sequentially connected along a Z-axis direction; the second measuring part comprises a second upper connecting rod, a second load cell and a second lower connecting rod which are sequentially connected along a theta angle direction; and the theta angle is arranged so that a torque M2' on the second load cell is smaller than a torque limit of the second load cell. The measuring device and system provided by the application can accurately measure the internal solitary wave acting force on the underwater target, and have low cost and simple operation.

The invention relates to the technical field of ocean energy power generation, in particular to a horizontal wave energy omnidirectional-longitudinal conversion power generation device. The device is used for solving the problems that an existing wave energy power generation device is low in horizontal wave energy collection efficiency, and multidirectional wave force is difficult to fully utilize. According to the technical scheme, a supporting frame above a shell is connected with floating plates distributed in the circumferential direction through a plurality of first universal joints to receive horizontal wave force in any direction, and a hydraulic telescopic mechanism vertically arranged in the center of the interior of the shell is connected with the center of the supporting frame through a second universal joint to form a two-stage transmission mechanism; the horizontal wave force is converted into longitudinal mechanical motion, the lock shaft frame restrains the cylinder body to move in the axial direction, the cylinder body drives the friction nanometer power generation units arranged around the cylinder body to generate electric energy, the power generation units are of a plug-pull type relative motion structure, and the generated electric energy is output after being processed by the energy storage assembly. The device is mainly used for efficiently collecting ocean wave energy and supplying power to ocean monitoring equipment.

The application provides a wave retaining wall with active anti-seismic and anti-wave function and a use method, and belongs to the technical field of wave retaining walls. The wave retaining wall comprises a pile foundation block, a wave retaining plate placed on the ground on the left side of the pile foundation block, and two support grooves opened in the ground on the right side of the pile foundation block. A base one is placed on the wave retaining plate. A base two is connected to the top surface of the base one through a damping spring. An electromagnet three is fixed on the upper and lower contact surfaces of the base one and the base two. A mass block is placed on the top surface of the base two. An electromagnet one is fixed on the adjacent surfaces of the wave retaining plate, the pile foundation block and the mass block. An electromagnet two is fixed on the side wall of the mass block corresponding to the position of the electromagnet one. The electromagnet three, the base one and the base two are arranged to make the mass block suspended and isolated from the earthquake when the earthquake is monitored. The electromagnet one and the electromagnet two are arranged to adjust the magnetic force according to the wave period frequency and the force, so as to balance the wave force. The flow guide plate, the pressure pipe, the hydraulic rod mechanism, the support assembly and the buffer assembly are arranged to improve the anti-overturning stability of the pile foundation block.

The application discloses a wave load suppression structure for offshore wind power single-pile foundation. When the offshore wind turbine single-pile foundation is subjected to wave load, the shape-optimized annular curved surface plate installed on the single-pile foundation can concentrate the wave energy near the rear edge of the single-pile foundation column. The annular curved surface plate can not only reduce the horizontal wave force, but also reduce the wave force acting on the single-pile foundation. The installed annular curved surface plate is installed below the water surface, the installation depth is 1 / 10-1 / 8 of the water depth, and the outer diameter of the annular curved surface plate is 1.5-2 times of the diameter of the single-pile foundation. The method can obviously suppress the horizontal wave force and load on the single-pile foundation by using the annular curved surface plate and the supporting member, can concentrate the wave energy near the rear edge of the single-pile foundation column, and can provide certain protection for the single-pile foundation. In addition, the annular curved surface plate structure is simple, can be prefabricated and assembled, and is convenient to construct.