115 results about "Water simulation" patented technology

The invention discloses a method for simulating and forecasting flood in a cold highland area based on hydrological and hydrodynamic coupling, and belongs to the technical field of disaster forecasting. The method specifically comprises the following steps: S1, multi-source basic data collection and preprocessing: collecting multi-type and multi-scale basic data for a target cold and cold mountainous area drainage basin; and S2, deep learning correction and fusion of the satellite rainfall data: aiming at the local overestimation and underestimation problems of the satellite rainfall data, a deep learning algorithm is adopted to carry out hour scale correction and fusion. Four types of core data of satellite remote sensing, reanalysis, ground observation and geographic space are collected, total factors of'rainfall-runoff-terrain-underlying surface 'required by flood simulation in the cold and cold mountainous area are covered, simulation one-sidedness caused by lack of data types in traditional modeling is avoided, rainfall and runoff abnormal values are eliminated by adopting a 3-sigma criterion, data formats and spatial-temporal scales are unified, and the modeling efficiency is improved. A standardized data set is formed, and interference of abnormal values, format incompatibility and space-time mismatching on subsequent model input is avoided.

The invention provides an urban water network drainage joint scheduling method and system, and relates to the technical field of urban flood control and drainage, and the method comprises the steps: carrying out the fusion processing of multi-source monitoring data, and obtaining a feature vector; inputting the feature vector into a runoff prediction model for runoff prediction to obtain a comprehensive runoff prediction result; based on the comprehensive runoff prediction result, pipe network water flow and surface accumulated water simulation is conducted through a drainage hydraulic model, and a target simulation result is obtained; performing waterlogging risk assessment based on the target simulation result and the monitoring data to obtain a waterlogging risk level; selecting a corresponding scheduling generation mode based on the weather forecast data, the monitoring data and the waterlogging risk level; and determining a corresponding scheduling strategy based on the selected scheduling generation mode and the waterlogging risk level. According to the urban water network drainage joint scheduling method and system provided by the invention, accurate prediction simulation and scientific scheduling are realized, and the drainage efficiency is further improved.

The invention discloses an irrigation area ditch drainage-farmland waterlogging simulation evaluation method. The method comprises the following steps: S1, obtaining meteorological and hydrological data, DEM data, drainage facility vector data and land utilization classification data of a target area; s2, generalizing a drainage system of the irrigation area, and generating nodes, drainage channels and sub catchment area. Shp files; s3, converting the. Shp file into an. Inp file, constructing a parameterized model, and performing parameter calibration and verification on the model; s4, simulating waterlogging conditions under different rainfall and channel siltation situations; s5, extracting overflow node data, and performing flood inundation analysis; and S6, generating a flood risk density map according to the overflow node data. The invention further discloses an irrigation area ditch drainage-farmland waterlogging simulation evaluation system. According to the irrigation area ditch drainage-farmland waterlogging simulation evaluation method and system disclosed by the invention, the problem that ditch drainage simulation and farmland waterlogging risk evaluation cannot be carried out under an irrigation area waterlogging disaster in the prior art is solved.

The invention relates to a river channel confluence stabilization and efficient calculation method of a distributed hydrological model CASC2D, and the method comprises the steps: employing a semi-implicit local inertial wave method in a river channel unit to carry out the stable solving of a water flow evolution process, effectively inhibiting the numerical oscillation, and improving the model calculation efficiency; meanwhile, parallel computing is carried out on the double-layer nested grid structure of the model through OpenMP, a thread safety control and dynamic scheduling mechanism is matched, synchronous waiting and data competition are remarkably reduced, and the parallel utilization rate is increased. The method is particularly suitable for flood simulation of small and medium-sized watersheds in mountainous and hilly areas, the model calculation efficiency can be improved by 15 times while high-precision simulation is kept, and the risk of numerical instability under the short-time high-intensity rainfall condition is remarkably reduced. The method does not need to depend on a GPU or a distributed cluster platform, has high universality, good portability and engineering realizability, and is suitable for various application scenes such as flood forecasting, risk analysis and real-time scheduling.

The invention relates to the technical field of geological engineering and underground water simulation, and discloses a regional underground water simulation method and system based on a physical mechanism and deep learning, and the method comprises the steps: converting the static attributes of an observation well into the embedding of nodes and edges through a graph neural network, and obtaining spatial features; according to the dynamic input of the observation well, modeling time sequence response of the underground water system under external dynamic driving through a long short-term memory neural network; deep fusion of spatial features and time dynamics is realized through a feature interaction mechanism, and a groundwater level simulation value is generated; combining a water balance constraint with a relative water level consistency constraint between observation wells to jointly construct a composite loss function for quantifying a difference between an analog value and a real observation value, and guiding parameter updating; the time-space dynamic and physical mechanism can be sensed synchronously, and the method is more reliable and efficient.

The invention provides a historical flood inundation dynamic reconstruction method and system based on deep learning, and relates to the technical field of flood simulation, and the method comprises the steps: obtaining a standardized historical flood data set; positioning P terrain cavity deficiency; matching and multiplexing P adaptive filling models in a terrain filling model library according to the P missing feature vectors; carrying out multi-thread parallelization of P terrain cavity deletion; adopting the P corrected terrain structures to carry out pixel-level replacement of P terrain cavity missing to obtain corrected DEM data; and after a two-dimensional hydrodynamic model is constructed based on the corrected DEM data, a hydrodynamic boundary control set is set to drive the two-dimensional hydrodynamic model to execute flood simulation, and a historical flood dynamic evolution process is output. According to the flood simulation method and device, the technical problem that the flood dynamic reconstruction accuracy is affected due to the fact that the flood simulation accuracy is limited due to the fact that topographic data are incomplete and the simulation generalization ability in different areas is insufficient in the prior art is solved, and the flood simulation accuracy is improved.

The invention relates to the field of disaster prevention and management, and particularly provides an intelligent decision-making method and device for realizing flood simulation prevention in combination with Cesium, and the method comprises the following steps: S1, geographic data access; s2, realizing real-time monitoring and analysis of hydrological conditions; s3, flood simulation model construction comprises hydrodynamic model construction, model parameter setting and optimization, and mechanism real-time updating; s4, processing physical interaction of the water flow by a Chaos physical engine of Unreal Engine, and associating physical data of Chaos through modular logic; s5, integrating an LSTM time sequence prediction model and combining with hydrological real-time rainfall to realize a flood routing trend; s6, displaying key disaster areas and disaster water level conditions by HeatMap; and S7, identifying a nearby refuge point location, and scientifically and reasonably arranging an emergency path. Compared with the prior art, intelligent decision management can be provided for pre-disaster simulation prevention and post-disaster rescue recovery.

The invention relates to the technical field of soil engineering model tests, and discloses a test system and method for simulating water and mud bursting of a subsea tunnel under the action of vibration, and the system comprises a multi-degree-of-freedom servo feedback vibration module which is used for providing a multidirectional vibration loading platform and feeding back a motor current signal in real time; the visual rock-soil water inrush simulation and multi-field loading module is mounted above the vibration table and is used for accommodating a sample and applying confining pressure and water pressure load; the hierarchical multi-source data acquisition module is communicated with the discharge port and the observation window, and is used for acquiring the outburst mixture and monitoring physical field data; and the intelligent control and risk assessment analysis module is connected with each module to regulate and control loading parameters and invert a catastrophe state based on feedback data. According to the method, a self-adaptive optimization loading mechanism based on the improved particle swarm optimization algorithm is constructed, so that collaborative progressive regulation and control of pore water pressure and vibration frequency parameters are realized, and a critical threshold point of water inrush and mud inrush catastrophe can be accurately captured.

The invention relates to the technical field of underground water simulation, in particular to an underground water numerical simulation method coupled with vegetation ecology. The method realizes bidirectional coupling between groundwater and vegetation ecology through iteration, and specifically comprises the following steps: inverting vegetation coverage based on groundwater burial depth; inversion of actual evapotranspiration is carried out based on underground water burial depth and vegetation coverage; and finally, updating the net supply amount of the groundwater model based on evapotranspiration until convergence. According to the method, a statistical function relation is established to replace a complex physical model, and drainage and overflow cell water levels are corrected in iteration to ensure calculation stability.

The invention discloses a storm surge coupling numerical simulation method and system based on climate change, and relates to the technical field of numerical simulation, and the method comprises the steps: determining the size of a regional grid according to a pre-obtained regional feature, and carrying out the data reconstruction processing of the obtained heterogeneous spatial data based on the size of the regional grid, and obtaining a comprehensive heterogeneous data set; constructing a comprehensive heterogeneous model, performing model coupling to obtain a comprehensive coupling model, and performing friction coefficient adjustment to obtain a storm surge coupling numerical simulation model; performing storm surge simulation on the comprehensive observation data acquired in real time, and evaluating and optimizing the storm surge coupling numerical simulation model to obtain a storm surge simulation model for storm surge coupling numerical simulation under climate change. Through the comprehensive coupling model, the limitation of traditional single water adding simulation is broken through, and the simulation capacity of extreme water level, offshore water adding and composite disaster processes is remarkably improved.

The invention relates to the technical field of underground engineering visualization, and provides a visual simulation device and test method for shield tunnel seepage fields in different stratums.The device comprises an underground water simulation system, a model box and a data monitoring system, and the underground water simulation system comprises a water inlet mechanism and a water outlet mechanism; the water inlet mechanism and the water outlet mechanism are arranged on the two opposite sides of the model box and communicate with the model box. The model box is filled with transparent soil, and a tunnel model is embedded in the transparent soil; and the data monitoring system is used for acquiring a seepage field speed cloud picture by shooting speckle field images of the transparent soil. According to the scheme, shield tunnel seepage field research on different stratums can be carried out, internal association between stratum permeability characteristics and seepage field distribution is revealed, and early warning mechanisms of underground water levels and flow velocities in various stratums are perfected.

The invention relates to the technical field of building material detection, and discloses a green building material waterproof performance detection device and method.The green building material waterproof performance detection device comprises an operation table, a detection assembly fixedly installed at the top of the operation table and an air blower fixedly installed outside the detection assembly; the detection assembly comprises a detection shell fixedly connected to the top of the operation table, a comparison clamping mechanism is arranged in the detection shell, and through the arranged comparison clamping mechanism, when different environment simulation detection comparison needs to be carried out on the same sample, the comparison clamping mechanism can be used for clamping the same sample; the same samples (such as waterproof coiled materials and waterproof plates) are put into the first clamping opening, the second clamping opening and the third clamping opening respectively; the scouring simulation detection, the spraying simulation detection and the wading simulation detection are sequentially carried out, so that a large amount of detection data can be obtained in a short time, and the effect of improving the detection efficiency is achieved.

The invention relates to an asynchronous coupling method for interactive simulation calculation of surface water and underground water, and the method comprises the following steps: when simulation starts, taking the 0th moment as the current moment n, and initializing the current surface water simulation duration and the current underground water simulation duration; solving a vector at the n + 1 moment based on a two-dimensional shallow water equation; and performing simulation calculation according to the current surface water simulation duration and the current underground water simulation duration until the simulation duration reaches the set simulation time. Compared with the prior art, the method has the advantages that the problem of low calculation efficiency of the coupling time step length of a fixed mode can be effectively solved while the calculation precision is ensured.

The invention discloses a storage tank bottom plate corrosion risk prediction method based on electrochemical testing, and relates to the technical field of oil and gas storage and transportation monitoring, and the method comprises the steps: obtaining an external soil sample and an internal deposited water sample of a to-be-predicted storage tank, and obtaining the original environment parameters of the samples; the method comprises the following steps: respectively constructing a soil simulation solution and a deposition water simulation solution based on an out-tank soil sample and an in-tank deposition water sample, and respectively adding a standard metal sample made of the same material as a bottom plate of a to-be-predicted storage tank into the soil simulation solution and the deposition water simulation solution so as to realize an external corrosion test and an internal corrosion test, obtaining a corresponding corrosion test result; and inputting the original environmental parameters, the corrosion test result and the bottom plate information of the to-be-predicted storage tank into a preset corrosion risk assessment model to perform corrosion risk level prediction on the bottom plate of the to-be-predicted storage tank, and outputting the corrosion leakage risk level of the bottom plate of the to-be-predicted storage tank. And the bottom plate can be effectively inspected and predicted without periodically opening the tank.

The utility model provides a microorganism concrete self-repairing observation device capable of simulating a dynamic water environment, which comprises a test box body, the upper part of the left side wall of the test box body is connected with a water inlet pipe, the bottom of the right side wall of the test box body is connected with a drainage pipe, a bottom plate of the test box body is provided with a bracket system and a temperature control system, and a dynamic water simulation system is arranged in the test box body. According to the device, the dynamic water environment can be simulated, the influence of the dynamic water environment on the self-repairing effect is judged by observing the crack self-repairing condition of the microbial concrete test piece, and the device has relatively high test research value.

The invention discloses a passive maintenance-free anti-floating experiment simulation device and an experiment method. The device comprises a foundation pit simulation box; the water injection simulation box is arranged on the outer side of the foundation pit simulation box, and a water injection cavity is formed between the water injection simulation box and the foundation pit simulation box; the bottom of the building simulation box is located on a soil filling layer at the bottom of the foundation pit simulation box, and the foundation pit simulation box and the building simulation box are connected through a pressure sensor; the passive drainage system is arranged in the fill stratum between the foundation pit simulation box and the building simulation box, a closed loop is formed in the foundation pit simulation box, small holes for water permeation are formed in the passive drainage system, the passive drainage system has a drainage gradient, an outlet pipeline is connected to the lowest point of the drainage gradient, and the outlet pipeline is communicated with the building simulation box. The outlet pipeline is connected with an external metering barrel; the water injection system is used for injecting water into the water injection simulation box. According to the method, the passive anti-floating design structure can be verified, the design parameters can be designed, and the anti-floating limit water level can be calculated.

The invention relates to the technical field of urban hydrological simulation. The invention discloses an urban community surface ponding simulation method considering a roof structure, and the method comprises the steps: obtaining a regional multi-angle picture through an oblique photography unmanned plane, generating an oblique photography model through image processing, and reconstructing a digital surface model according to the oblique photography model; ground data are separated from the DSM through a PMF method, roof data are extracted in combination with building features, mask data are output, other ground features are removed, and building roof elevation grid data are obtained; calculating the gradient of the roof, dividing the gradient into flat and sloping roofs, building drainage structures into roof drainage models, integrating the roof drainage models with the urban community hydrological model considering the roofs, and running to realize surface ponding simulation. The method comprises the following steps: building a high-precision model through an oblique photography unmanned aerial vehicle and a GIS, separating ground data through a PMF, and accurately dividing a flat / slope roof through median filtering and an SVM; special drainage structures are arranged for the two types of roofs; and integrating the roof drainage model and a two-dimensional coupling hydrological model, and outputting an accumulated water thematic map.

The utility model discloses a small -size drainage ditch drainage simulation teaching experiment device in the field of agricultural water conservancy, including the soil tank of inside filling soil, drainage ditch system, pressure measurement system, simulation rainfall system and water supply and drainage system, the drainage ditch system includes the fixed drainage ditch of being located soil tank side, inside the sleeve has movable drainage ditch, soil tank and fixed drainage ditch all are the cuboid structure of top opening and realize intercommunication through the porous water permeable board, the width of fixed drainage ditch is greater than the width of soil tank, and inside along its height direction and inserts high overflow board or low overflow board, high overflow board or low overflow board divides fixed drainage ditch into main ditch area and overflow area, movable drainage ditch includes the bottom plate that sets up in proper order, left side board, right side board and back side board, and the small overflow board is inserted between left side board and right side board, and a plurality of through -holes are seted up in the upper half portion of right side board and correspond porous water permeable board. The utility model can promote the field drainage experiment simulation effect and efficiency.

The utility model discloses a kind of collapse pit dewatering aggregation simulation test devices, it is related to testing, measurement technical field.It includes collapse pit simulation system, dewatering simulation system and information acquisition system.Collapse pit simulation system adopts box without top cover, and the collapse pit of different working conditions, filling material can be constructed, so different filling, collapse pit gradient can be simulated test;Dewatering simulation system can spray water body to collapse pit simulation system, and dewatering simulation system can control dewatering height, dewatering area, dewatering intensity and dewatering time by lifting frame, dewatering nozzle, adjustable transformer, timing socket, so that the collapse pit of multiple working conditions can be carried out dewatering aggregation similar simulation test;Information acquisition system obtains the moisture content, pressure and temperature etc. Information of inside filling of collapse pit, it is favorable to ascertain the aggregation behavior of collapse pit dewatering under different working conditions, provide basis for collapse pit ponding management, thereby reduce underground debris flow risk, guarantee mine safety and efficient production.

The invention discloses a soft rock cavern roof anchoring body seepage water simulation device and method. In the device, a water tank, a water pump device and a seepage water frame are sequentially connected through a water conveying pipe; the water seepage and spraying frame comprises a water seepage and spraying simulation box and a punching baffle, the punching baffle is installed in the water seepage and spraying simulation box and divides the interior of the water seepage and spraying simulation box into an upper space and a lower space, the upper space is a water storage room, and an anchored rock test piece is placed in the lower space; the sensing system comprises a water level controller and a water level sensor, the water level controller is installed on the water pump device, the water level sensor is installed in a water storage room on the upper portion of the seepage water simulation box, and the water level controller controls operation of the water pump device through seepage water frame water level signals transmitted by the water level sensor. The invention also discloses a test method thereof. The influence of different seepage paths and seepage flows of underground water on the bearing performance of the soft rock cavern roof anchoring structure is simulated, and the problems that an existing test water immersion mode does not conform to the reality and the water immersion result is poor in reliability are solved.

The present application relates to the technical field of ship offshore test, particularly relates to a kind of offshore wind power floating platform special-purpose stainless steel pipe water entry simulation test device and use method. Including the steel pipe limiting unit for fixing steel pipe, the steel pipe limiting unit is provided with the outer measuring unit for applying pressure to steel pipe from outside directly above, the steel pipe limiting unit and outer measuring unit main body are all fan-shaped structure. The present application is extended to the inside of steel pipe by electric push rod driven inner measuring head body, then start micro servo cylinder to push the pestle head to extend to extension way, and sliding fit occurs with each group of inclined plane, so that each group of test block is pushed out side export, and simultaneously extruding to each orientation of steel pipe inner wall, then control micro servo cylinder reset, so as to realize the anti-pressure test to steel pipe inner wall. Steel pipe inside and outside can be tested, and the functionality of the device is enriched.

A method for predicting the water power generation capability interval based on multi-scenarios water simulation and operation constraint clipping, comprising generating multiple water inflow scenario sequences based on the current hydro-meteorological state and labeling the occurrence probability; performing water balance calculation and output, flow and water head relationship calculation for each scenario at each time interval, and clipping the output sequence under the full physical constraints of water level, reservoir capacity, climbing and ecological flow, and outputting the physically feasible output; taking the high and low quantiles of all scenario output values to form the initial interval envelope; through forward continuity check and continuity correction, ensuring that the interval sequence meets the water level connection and climbing constraints between time intervals; according to different trading stages, the interval width is adaptively contracted, and the contraction coefficient is optimized through a self-learning module; finally, the structured interval containing confidence and risk sources is output.

This invention discloses a method and system for reverse reconstruction of river topography based on flood traces and trial calculations, relating to the fields of water conservancy engineering, flood simulation, and topography reconstruction. In the absence of pre-flood measured topographic data, this method constructs possible topographic change ranges by collecting multi-source information such as post-flood images, engineering design data, and historical flood traces. Multiple trial calculations are performed using a hydraulic model to invert pre-flood topographic parameters. Finally, the method is verified using measured data such as scour depth and water level traces, achieving reliable reconstruction of the pre-flood topography. This invention solves the problem of traditional methods relying on historical topographic data and is applicable to scenarios such as flood scour impact assessment, engineering safety verification, and flood control design optimization.

The application discloses an ultrasonic water meter detection device, which comprises a main control module and an analog metering module. The main control module is connected with the control end of the analog metering module, and the test end of the analog metering module is connected with the ultrasonic water meter. The main control module is used for generating a water flow simulation signal according to water flow setting information and sending the water flow simulation signal to the analog metering module. The water flow simulation signal comprises a water flow state signal and a water flow speed signal. The ultrasonic water meter is used for sending an ultrasonic detection signal to the analog metering module in real time after being triggered. The analog metering module is used for receiving the ultrasonic detection signal and the water flow simulation signal, generating a water flow feedback signal that can be received by the ultrasonic water meter according to the ultrasonic detection signal and the water flow simulation signal, and sending the water flow feedback signal to the ultrasonic water meter to simulate different water flow states. The application reduces resource consumption, time cost and human intervention intensity, and improves the test fault tolerance.

The invention relates to the technical field of saline soil test devices, and discloses a test device for simulating a natural environment to act on saline soil, comprising: a sample assembly having a first cavity capable of holding a saline soil sample; the rainfall simulation assembly is arranged right above the sample assembly; the irradiation simulation assembly is arranged above the sample assembly; the heating assembly is arranged below the sample assembly; the underground water simulation assembly is provided with a cavity II capable of containing a salt solution, and the bottom of the cavity II is communicated with the bottom of the cavity I; the saline solution in the cavity II can permeate into the salinized soil sample to supplement the salinized soil sample with the saline solution; the monitoring assembly can monitor parameters of the salinized soil sample in the simulation experiment process; and the data acquisition and processing system is electrically connected with the rainfall simulation assembly, the irradiation simulation assembly, the heating assembly, the underground water simulation assembly and the monitoring assembly. According to the test device disclosed by the invention, by simulating various natural environments, the tested test data are more real and effective.

The invention discloses a liquefied high-position remote landslide experiment system and method. The system comprises a chute device, an underground water simulation device, a deposition collection device and a monitoring device, the sliding groove device comprises a sliding groove supporting piece and at least one sliding groove section, the total groove length of all the sliding groove sections is not smaller than 10 m, and the groove width of any sliding groove section is not smaller than 1 m. A left side plate and / or a right side plate of the sliding groove are / is transparent and provided with markers used for marking scales. The underground water level height of the slope body is simulated by controlling the water level height of water contained in the underground water simulation device, the underground water simulation device comprises a permeation face, the underground water simulation device abuts against one side face of the slope body through the permeation face, and the water contained in the underground water simulation device enters the slope body through the permeation face; according to the technical scheme provided by the invention, the authenticity of the liquefied high-position long-distance landslide experiment and the accuracy and integrity of the experiment result can be improved, so that the loss caused by the liquefied high-position long-distance landslide can be reduced.

The invention relates to the technical field of coal mine simulation tests, in particular to a gas and underground water simulation test device and method.The gas and underground water simulation test device under coal mine fault disturbance comprises a vibration box and an installation box arranged on one side of the vibration box, and a servo driving assembly is arranged in the installation box; the servo driving assembly is connected with a vibration arm capable of knocking the vibration box periodically. The fault simulation unit has a fault closed state and a fault extension state, and when the driving piece drives the fault simulation unit to be converted from the fault closed state to the fault extension state through the pushing plate, liquid in the water tank is sprayed outwards through the spraying shaft to simulate underground water seepage. Meanwhile, the airflow generating plate sprays air outwards to simulate gas seepage, and the technical problem that an existing testing device cannot synchronously simulate the fault slippage and catastrophe process induced by dynamic disturbance and multi-physical field dynamic coupling in coal mine deep mining is solved.

The utility model provides a visual tunnel water inrush simulation test device which is characterized in that an inner cavity of a box body is divided into a simulation cavity and a water collection cavity through a filter plate, and a fluid-solid coupling similar material is arranged in the simulation cavity; the water supply module is arranged at one end, corresponding to the simulation cavity, of the box body so as to simulate tunnel water inrush by supplying water to the fluid-solid coupling similar material; the osmotic pressure modules comprise a plurality of osmometers which are distributed in the same plane array, and the plurality of osmotic pressure modules are uniformly distributed in the simulation cavity; the display module is correspondingly connected with the osmotic pressure module through the controller. A fluid-solid coupling similar material is arranged in a box body, water inrush simulation is realized through water supply, a plurality of groups of osmotic pressure modules are arranged in the fluid-solid coupling similar material, and osmotic pressure flow meters in the osmotic pressure modules are distributed in an annular array, so that the internal seepage state of the fluid-solid coupling similar material can be monitored; the display is used for displaying the seepage state of the corresponding area of each seepage pressure module, so that the water inrush catastrophe process is visually reproduced, and the authenticity of the obtained disaster evolution rule is improved.

This utility model discloses an automotive rubber strip sealing test device, relating to the field of rubber strip testing technology. It includes a base, a simulation box fixed to the top of the base, a test box fixedly inserted to the back of the simulation box, a simulated inner door panel block fixed to the open side of the test box, and a simulated outer door panel block hinged to the simulated inner door panel block. Both the simulated inner and outer door panel blocks are located inside the simulation box. A blower simulation component and a water spray simulation component are installed on the base. The blower simulation component, in conjunction with the water spray simulation component, simulates natural weather conditions. The sealing performance of the rubber strips installed on the simulated inner and outer door panel blocks is tested using wind and water. By observing whether the fabric strips inside the test box sway and whether water accumulates inside the test box, the sealing performance of the automotive rubber strips can be accurately and effectively determined, meeting the requirements for standardized testing of automotive rubber strips.

The invention provides an urban surface and underground space flood simulation method based on a hydrodynamic model, and belongs to the technical field of urban flood disaster prevention and control and hydrological hydraulic engineering. The method comprises the steps of urban surface and underground space generalization processing, model element coupling association establishment, model element algorithm setting and model result calibration verification. The model established by the method has high-performance and high-precision computing power, can efficiently and accurately simulate the flowing form of flood in the urban complex underground space, and provides support for urban flood early warning.