44results about How to "Effective simulation" patented technology

The invention belongs to the technical field of oil-gas exploration and development, and particularly relates to an induced dynamic fracture numerical characterization method based on dynamic embedded discrete fractures. A dynamic embedded discrete fracture-based induced dynamic fracture numerical characterization method is characterized by comprising the following steps: determining an initial position for inducing the growth and extension of a dynamic fracture, and generating a dynamic embedded discrete fracture sheet for describing the growth and extension or closing process of the dynamic fracture at the moment by moment according to a time sequence by taking the initial position as a starting point; space splicing is achieved on the common boundary of the adjacent dynamic embedded discrete fracture pieces, the fracture is kept continuous as a whole, and then a dynamic embedded discrete fracture model covering and inducing the whole life cycle of the dynamic fracture is formed. Effective simulation of the water injection induced dynamic fracture growth extension and closing process in the energy storage and permeability enhancement injection process of the ultra-low permeability reservoir is achieved, and therefore effective technical guidance is provided for implementation of an energy storage and permeability enhancement technology mine field of the ultra-low permeability reservoir.

This application discloses a method for calculating the vibration isolation of ship vibration isolation devices based on isolator type spectrum data, relating to the field of ship vibration isolation design. The method includes: acquiring the type spectrum data and impedance test data of the target isolator; determining the stiffness and damping parameters of the target isolator based on the type spectrum data and impedance test data; constructing a finite element model of the ship vibration isolation device; inputting the stiffness and damping parameters of the target isolator into the finite element model for calculation, and obtaining the vibration isolation calculation results of the target isolator. This method can efficiently utilize isolator type spectrum data to conduct vibration isolation calculation and evaluation of ship vibration isolation devices during the ship design phase, avoiding resonance between the natural frequency of the vibration isolation device and the excitation frequency of the equipment, and improving the vibration isolation effect.

This invention relates to a device and application for testing the static contact resistance of pivot rails, belonging to the field of electromagnetic orbital launch technology. This invention is the first to propose directly measuring the static contact resistance between pivot rails under pressure conditions using a DC low-resistance meter, through the combination of high current potential, high voltage potential, low current potential, and low voltage potential. This invention utilizes a four-column flat press to provide preload force between the pivot rails and to change the static contact pressure. It uses the four-wire method to test the static contact resistance between the pivot rails and uses a DC low-resistance meter to read the contact resistance values, thereby obtaining the static contact resistance values ​​between the pivot rails under different contact pressures. This effectively simulates the actual service conditions of the pivot rails and features simple operation and convenient data reading. The device of this invention is rationally designed, the application process is simple and controllable, the obtained data is highly reliable, and it is suitable for large-scale application.

The invention relates to a capsule type oxygen cabin for animal experiments, which adopts a modular structure, comprehensively considers the influence of multiple factors such as temperature, humidity, pressure and oxygen concentration, and also considers the influence of breathing oxygen consumption of experimental animals and the influence of a first / second accommodating part, and on the basis, the first / second accommodating part is centrally controlled through a touch screen; according to the method, the combination of multiple modes can be realized, so that the climate conditions of different regions can be accurately, efficiently and stably simulated, and accurate and scientific guidance can be provided for the research on'high reflection ', the work and life of personnel in high and cold climate regions and the pathology research of hospitals. Besides, the electrical parts are classified and placed in the first accommodating part, the second accommodating part, the touch screen and the bearing part, so that the cabin body can be transparent and visual, and the electrical parts in the first accommodating part and the second accommodating part are convenient to overhaul through detachable connection between the first partition plate and the second partition plate and the first accommodating part and between the first partition plate and the second partition plate and the second accommodating part.

This invention provides a method for simulating buckling of subsea pipelines based on the pipeline element method, addressing the problems of low computational efficiency, complex modeling, and low accuracy in existing methods. Based on Euler-Bernoulli beam theory, this invention models the pipeline as a series of efficient pipeline elements. Internal pressure is converted into equivalent temperature rise, and the effective thermal expansion force generated by the effective temperature rise is applied to both ends of the pipeline element to construct the total potential energy equation. The second derivative of the total potential energy equation is performed to obtain the tangent stiffness matrix of the pipeline element. An updated Lagrange method is used for coordinate transformation. The secant relationship is used to calculate the pipeline element and soil resistance. A Newton-Raphson incremental-iterative numerical program is established to perform nonlinear analysis of the pipeline, progressively solving for the deformation and stress of the pipeline under complex loads. This invention significantly reduces the number of elements, improves computational efficiency, and accurately simulates nonlinear pipe-soil interactions. It is applicable to various pipelines, including short pipes, long pipes, and corroded pipes, as well as complex working conditions such as high temperature and high pressure.

The invention relates to an intelligent cell mechanical property analysis method driven by a cell queue flow mechanism, which comprises the following steps of: acquiring experimental group flow data generated when a cell queue flows in a micro-fluidic channel to realize non-intrusive and high-throughput experimental observation and data capture of cell individuals and group flow dynamics; and an experiment reference is provided for analysis. A cell queue fluid-solid coupling model is established, numerical simulation is carried out, multiple groups of simulation group flow data are obtained by changing mechanical parameter values, complex flow behaviors of a cell queue under various potential mechanical characteristics are efficiently and controllably simulated in a virtual environment, and a simulation database with sufficient samples is established. Experimental data of a queue to be tested are matched with simulation data in a three-dimensional simulation database, so that the complex flow performance of a sample to be tested is quickly compared with the simulation database of massive known cell types and mechanical parameters, complex modeling and parameter inversion processes are bypassed, and the most similar known type is directly positioned.

The invention belongs to the technical field of petroleum geophysical exploration, and relates to an overlapped meshless undulating surface seismic wave field numerical simulation method and system. The method comprises the following steps: establishing an undulating surface seismic wave speed model and an absorption attenuation Q model based on geological parameters of an exploration area; based on the undulating surface seismic wave speed model and the absorption attenuation Q model, adopting an overlapping meshless node subdivision method to obtain a node data set of an overlapping region; taking the node data set as input, expanding a radial basis function based on a Chebyshev polynomial and forming a difference matrix, and solving to obtain a node difference coefficient set; and taking the node data set and the node difference coefficient set as input, performing finite difference discretization on a Kelvin-Voigt model-based viscous-acoustic wave equation based on a radial basis function, implementing forward continuation of the wave field, and completing the seismic wave field numerical simulation of the overlapped meshless undulating surface. According to the method, the constant Q model is accurately described, amplitude-phase decoupling is realized, and the absorption attenuation effect of the medium can be effectively described.

The application provides a kind of suspension dynamics response test tool and method, tool mainly includes mechanical table body, excitation platform, mass simulation platform, gravity balance device and control system. Among them, mechanical table body is the carrier of excitation platform, mass simulation platform and gravity balance device;Excitation platform is used to apply road excitation to wheel;Mass simulation platform is used to simulate the mass of different specifications under different working conditions;Gravity balance device is used to simulate the micro-low gravity environment of suspension;Control system is used to control the operation mode of motor and the accurate output displacement value, measure the dynamic characteristic data of suspension, and process and record the measurement data. The structure of the tool is simple, the test process is simple, the micro-low gravity environment of suspension and the actual motion condition of suspension can be effectively simulated, the suspension dynamics response test is realized, and the dynamic performance verification of suspension is carried out.

The utility model relates to the field of hemodialysis especially relates to hemodialysis pipeline anti -coagulation oscillator structure, including bottom plate, the lower end of bottom plate is integrated with the built -in self -locking mechanism's universal wheel, the upper end fixed connection of bottom plate has vertical vibration unit, installs the support plate in vertical vibration unit, the lower end of support plate is configured vibration motor as drive source to carry out vertical direction's vibration action, the upper end of support plate sets up horizontal reciprocating motion module, and is provided with the receiving plate in horizontal reciprocating motion module, still fixed with the vertical board on the support plate, the surface of vertical board is provided with linkage's sliding mechanism, and sliding mechanism and horizontal reciprocating motion module synergistic effect are used for realizing the guiding displacement of receiving plate, the utility model discloses through vertical vibration and horizontal reciprocating motion combination, more effectively simulate human blood circulation, reduce blood coagulation risk, at the same time, the lower end of bottom plate is integrated with self -locking universal wheel, makes oscillator mobile flexible and fixed stable, and it is convenient to use in different scenes.

The invention relates to the technical field of computational fluid mechanics, and discloses a transonic flow numerical simulation method, system and device and a medium, and the method comprises the steps: judging whether a flow field has an area of which the Mach number is greater than a preset value or not; if not, indicating that the whole flow field is a subsonic velocity region and belongs to a shock-wave-free region; if yes, determining that a supersonic speed region exists; judging whether shock waves exist between adjacent grid points or unstructured grid units or not, and if so, dividing a shock wave region and a shock-wave-free region; for the shock wave region, discretizing a space item of the control equation by adopting a TVD format to obtain a TVD format discretization result of the shock wave region; for the shock-wave-free region, discretizing a space item of the control equation by adopting a linear numerical format to obtain a linear format discretization result of the shock-wave-free region; updating the flow field by adopting a time marching method; and if the residual error converges, outputting a simulation result of the transonic flow numerical value. According to the invention, efficient, high-precision and robust transonic flow simulation can be realized.

The present application relates to the technical field of rock soil grouting simulation, in particular to a Bingham grout spherical permeation grouting simulation method and system considering tortuosity time water effect, which reconstructs double-scale heterogeneous stratum parameter field by three-dimensional geological modeling and structured grid division, combines spatial interpolation and universal Kriging method of field drilling data, constructs spherical permeation diffusion-seepage differential control equation considering tortuosity correction and Bingham grout hydration time-varying effect, and introduces flow velocity truncation mechanism to judge critical pressure gradient of grout flow. Then, the spatio-temporal evolution results of grout pressure field, velocity field and diffusion front are obtained through fluid mass conservation equation and grout volume fraction convection equation, so as to realize visual simulation and engineering parameter inversion of Bingham grout spherical permeation grouting process. The present application can adapt to grouting scheme optimization under complex working conditions by introducing pore tortuosity effect and Bingham grout time water coupling effect, and fusing micro-scale stratum reconstruction and macroscopic grouting parameter output.

The utility model relates to a kind of geotechnical centrifugal test tunnel excavation simulation box and simulation device, including box, box is filled with simulation foundation, formation loss simulation mechanism is embedded in simulation foundation;Formation loss simulation mechanism includes outer lining plate is inner lining plate, outer lining plate and inner lining plate are enclosed and are horizontally arranged cylindrical, inner lining plate is arranged in the inside of outer lining plate;Formation loss simulation mechanism includes at least two working sections sequentially connected along length direction;Each working section is provided with softening block and water injection pipe;Softening block is against the inner side wall of outer lining plate;The utility model gradually injects water into each working section along tunnel excavation direction by water injection pipe, so that softening block gradually softens along tunnel excavation direction, when softening block softens, volume reduces, the space between inner lining plate and outer lining plate will reduce accordingly, can effectively simulate formation loss process in tunnel excavation process, the disturbance of simulation process to soil is small, and the success rate of test can be improved.

The utility model discloses a kind of fatigue test device for mining high-strength chain, it is related to chain testing technical field, it includes support frame, the top of support frame is equipped with chain support plate, and the front and rear ends of chain support plate are all equipped with side plate.This kind of fatigue test device for mining high-strength chain, the rotation movement of impact cylinder is driven by three L-shaped supporting arms, and the accurate guidance of cooperation arc-shaped guide plate is realized, the working condition that chain directly bears lateral impact in dynamic rotation process is realized, the sudden impact scene such as underground ore drop is perfectly reproduced, the authenticity and accuracy of test are greatly improved, and the rotation structure of three groups of supporting arms evenly distributed, cooperation continuous drive of driving motor, high-frequency cyclic impact can be implemented to chain, effectively simulate the complex alternating load environment in well.

The invention relates to the technical field of internet security, and particularly provides a black box graph fraud detection collusion model editing method based on a conditional diffusion model, which comprises the following steps: S1, constructing a local subgraph context coding mechanism; s2, establishing a condition diffusion generation model of the potential space; s3, designing a joint generation strategy of features and edges; and S4, collaborative optimization based on adversarial loss. Under the combined action of related technical schemes, the problem that in the prior art, a method for cooperatively generating nodes with collusion characteristics and edge attacks based on a conditional diffusion model under the black box and only local view constraint is lacked is solved; according to the method, real collusion attack simulation is realized, local consistency and high concealment are ensured, the problem of segmentation of feature-topology generation is solved, strict black box and local access constraints are met, potential security vulnerabilities in an industrial financial risk control system can be revealed, and a key technical support is provided for developing a next-generation robust defense mechanism.

This invention discloses a discrete element numerical simulation method for snow and ice melting on asphalt concrete pavements. First, a two-dimensional discrete element sample model of the asphalt concrete pavement and ice surface is established, and different micromechanical parameters are assigned to different bonding types. After heat is transferred to the ice layer, the mass loss of ice particles, the amount of liquid generated, and the new size of the ice particles are calculated at regular intervals. The ice melting rate is transferred to the CFD field, and then the CFD, using coupled information and with the help of the developed OpenFoam multiphase solver, calculates the temperature field within the ice layer. This method can effectively simulate the effect of carbon fiber heating on snow and ice melting of asphalt concrete pavements, and can be used to study the heating efficiency of carbon fibers and the ice melting process of the pavement.

The utility model discloses a rock-soil loading device and a rock-soil testing device, and relates to the technical field of rock-soil stress simulation, the rock-soil loading device comprises a loading head, a horizontal bearing frame, a vertical bearing frame, a rotary bearing frame, a horizontal driving device, a vertical driving device and a rotary driving device, the horizontal bearing frame is used for being fixedly arranged above a model box, and the vertical bearing frame is used for being fixedly arranged above the model box; the vertical bearing frame can move in the horizontal direction along the horizontal bearing frame, the rotary bearing frame can move in the vertical direction along the vertical bearing frame, the loading head is arranged on the rotary bearing frame, the loading head can rotate, and the loading head is used for making contact with a rock-soil sample in a model box. Rotating torque, horizontal test force and vertical test force are applied to the rock-soil sample; the horizontal driving device is arranged on the horizontal bearing frame, the vertical driving device is arranged on the vertical bearing frame, and the rotary driving device is arranged on the rotary bearing frame; according to the utility model, the stress movement condition of the rock-soil sample can be comprehensively and effectively simulated.

The utility model relates to the technical field of strength detection, in particular to a strength detection device for automobile fender production. The strength detection device for automobile fender production comprises a shell, a controller, a protective door, a supporting rod, an arc-shaped plate and an electric sliding rail, the controller is installed on the front portion of the shell, the supporting rod is connected into the shell in a sliding mode, the protective door is fixedly connected to the front side of the supporting rod, the protective door is connected with the shell in a clamped mode, and the arc-shaped plate is connected with the controller. The left portion of the supporting rod is fixedly connected with an arc-shaped plate and provided with electric sliding rails in a front-back symmetry mode. According to the utility model, the clamping block is controlled by the controller to accurately clamp the fender, then the electric push rod is controlled to drive the impact block to rapidly impact the fender and detect the impact resistance of the fender, then the heating pipe is started to simulate different temperature conditions, the strength performance of the fender in temperature circulation is evaluated, and the strength of the fender is comprehensively and accurately detected. Product quality and reliability are ensured, and a solid guarantee is provided for automobile safety.

The present application relates to a kind of in-vitro dynamic simulation device and in-vitro dynamic simulation test method, in-vitro dynamic simulation device includes working liquid storage device, liquid delivery system, spraying device, silica gel pipe and stress device;Liquid delivery system is used to deliver working liquid in working liquid storage device to spraying device;Spraying device is located above silica gel pipe, for working liquid is sprayed into silica gel pipe;Silica gel pipe is used to simulate ureter, silica gel pipe is placed vertically;Stress device includes cylindrical shell, motor, elastic convex strip, control panel;In-vitro dynamic simulation test method is that the in-vitro dynamic simulation device described above is used to evaluate the anti-calcification performance of ureteral stent in-vitro dynamic simulation test method and the in-vitro dynamic simulation test method for evaluating the anti-bacterial adhesion performance of ureteral stent.The device of the present application is simple in structure, method is easy to operate, so that in-vitro simulation test result is closer to clinical result, and product development direction is optimized.

This application relates to the field of fluid dynamics simulation, and specifically discloses a modeling method applied to a compressible two-medium flow field model. The method includes: inputting the flow field state 1 at time 1 of the flow field interface into a neural network model, whereby the neural network model outputs the two-medium nonlinear equation f. L +f R The function f in +△u=0 L The predicted value is the function f. R The predicted value, speed difference Δu = u R -u L Based on the output of the neural network model, the interface conditions at time 1 are determined to indicate the flow field interface. Based on the interface conditions and flow field state 1, flow field state 2 at time 2 is determined. The scheme provided in this application can accurately construct the interface conditions of a compressible two-medium flow field, is suitable for describing state equations of state for different fluid thermodynamic properties, avoids iterative solution processes, and increases the solution efficiency and success rate of the compressible two-medium flow field simulation model.

The application discloses a gradient flow speed runway type breeding system and method, and relates to the technical field of aquaculture. The breeding system comprises a breeding pond, and a breeding area is arranged in the breeding pond. Parent fish are put into the breeding area, and water flow is introduced into the breeding area. The breeding area comprises at least two breeding sections which are perpendicular to the water flow direction and have different width sizes along the water flow direction. The water flow speeds of the breeding sections with different width sizes are different. The gradient flow speed runway type breeding system and method provided by the application are beneficial to providing an excellent breeding environment for the parent fish, promoting synchronous development of gonads, and improving natural spawning behavior.

The application relates to a dynamic gesture recognition method of a multi-feature fusion network under complex scene interference, which comprises the following steps: acquiring a baseband intermediate frequency signal, processing the baseband intermediate frequency signal, acquiring a range-time graph and a Doppler-time graph, inputting the range-time graph and the Doppler-time graph into a gesture recognition model, acquiring a gesture recognition result, training a light neural network model by using a training set in the gesture recognition model, extracting spatial displacement features and gesture speed change information of the range-time graph and the Doppler-time graph based on a DSCC module in the gesture recognition model, acquiring a feature graph, inputting the feature graph combined with position coding into a Transform module for global feature extraction, and acquiring the gesture recognition result. Through extraction and fusion of multiple features, distance, speed and time information of a target gesture are more comprehensively expressed, and the richness and expression capability of gesture features in a complex scene are improved.

The application discloses a medical image tumor segmentation model based on a TransUNet framework and a construction method and a segmentation method thereof, the construction method comprising constructing a segmentation model based on the TransUNet, wherein an encoder of the segmentation model comprises CNN modules and a self-defined VSS module connected in sequence, the output ends of each convolution block of the CNN modules are input into a decoder of the segmentation model through a jump connection layer, the self-defined VSS module comprises a plurality of novel conversion layers stacked in series based on a Mamba module and a focus linear attention module, the self-defined VSS module performs multi-level feature interaction and global modeling on first encoding features output by the CNN module to obtain second encoding features; and the decoder performs feature fusion and up-sampling on the second encoding features and the output of the jump connection layer to obtain a segmentation image for a sample image. The application can significantly improve the segmentation robustness and precision of breast ultrasound images with low contrast, high noise and fuzzy boundaries.

The utility model relates to a visual test device suitable for a water-rich stratum tunnel grouting reinforcement model, which comprises a support base, a transparent test bin, an upper pressure mechanism, a grouting mechanism, a water injection mechanism and a pressure sensor, the transparent test bin for loading a sample is arranged on the support base, and the upper pressure mechanism acts on the upper end face of the transparent test bin; a water injection hole is formed in one end of the transparent experiment bin in the length direction, a plurality of grouting holes capable of being opened or closed are formed in the other end of the transparent experiment bin in the length direction, a plurality of monitoring holes and drainage holes capable of being opened or closed are formed in the lower end face, the water injection mechanism is connected into the water injection hole, the grouting mechanism is connected into one grouting hole, and each monitoring hole is connected with one pressure sensor. The device is simple in structure, convenient to operate, capable of effectively simulating and researching the water-rich stratum tunnel grouting reinforcement visualization process, capable of visually reflecting the diffusion rule of fluid and grout and high in visualization degree, and belongs to the technical field of civil engineering testing devices.

The utility model provides a kind of multifunctional shot training adjustment auxiliary device, it is related to sports equipment technical field, including installation support mechanism, ratchet deceleration mechanism and shot throwing simulation mechanism, ratchet deceleration mechanism includes ratchet wheel assembly and pawl assembly, ratchet wheel assembly is rotatably set on installation support mechanism, ratchet wheel assembly is provided with multiple deceleration grooves along circumference, pawl assembly is adapted with deceleration groove, shot throwing simulation mechanism is connected with ratchet wheel assembly, and it is synchronous rotation with ratchet wheel assembly;When shot throwing simulation mechanism is pushed, ratchet wheel assembly is forward rotation relative to pawl assembly, when shot throwing simulation mechanism resets, pawl assembly can be inserted into deceleration groove distributed in circumference in turn;The utility model cooperates through installation support mechanism, ratchet deceleration mechanism and shot throwing simulation mechanism, not only when training, shot throwing action can be effectively simulated, training effect is remarkable, and shot throwing simulation mechanism slowly falls back, and training process is safe and reliable.

The utility model provides a tailing pond dust suppressant effect evaluation device. The device comprises an air supply assembly; the air supply assembly is arranged on one side of the experiment wind tunnel; the terrain simulation assembly is arranged in the experiment wind tunnel and is used for storing a sample; the dust suppressant applying assembly is arranged on the experimental wind tunnel and is used for uniformly applying a medicament to a sample; a data acquisition assembly; the wind erosion experiment device has the beneficial effects that the wind erosion experiment can be performed on the tailing pond beach face simulated by different dust suppressants, different landform structures can be effectively simulated, the diversity and scientificity of the experiment are greatly improved, and the influence of the dust suppressants on the permeability coefficient can be evaluated.

The utility model discloses a tester for the wet density flow change rate of foam light soil, and belongs to the technical field of buildings. The slurry cylinder is provided with a containing cavity, a first pipeline connector and a second pipeline connector, and the first pipeline connector and the second pipeline connector are arranged at the bottom of the slurry cylinder; the hose pump comprises a suction inlet and a discharge outlet, a feeding pipe is arranged between the discharge outlet and the first pipeline connector, and a discharging pipe is arranged between the suction inlet and the second pipeline connector. One end of the supporting pipe is communicated with the feeding pipe through the first pipeline connector, the other end of the supporting pipe penetrates through the discharging disc, and a backflow gap is reserved between the discharging disc and the slurry cylinder. The device can effectively simulate the phenomenon that foam floats on the surface and slurry sinks into the bottom in the construction process of foam light soil, so that more accurate data support is provided for construction quality control.

This invention relates to photothermal-thermoelectric synergistic materials, photothermal-thermoelectric synergistic composite materials, preparation methods, and applications. The photothermal-thermoelectric synergistic materials include bismuth selenide-gold composite materials, wherein the bismuth selenide-gold composite material is hexagonal, with the gold material located at the center of the hexagon. Its advantages lie in utilizing the gold nanoparticles located at the center of the hexagon as a "heat source core," which, under near-infrared light excitation, forms a stable radial temperature gradient with the substrate bismuth selenide, thereby generating an endogenous microcurrent based on the Seebeck effect of bismuth selenide. This wireless, non-invasive "photothermal-stable temperature difference-thermoelectric" cascade signal can effectively simulate the bioelectrical environment of bone tissue, significantly promoting osteogenic differentiation of bone marrow mesenchymal stem cells. The photothermal-thermoelectric synergistic material of this invention can effectively remove reactive oxygen species and has good antioxidant properties.

The invention discloses a running water net cage culture method for coreius fasciatus. The running water net cage culture method comprises the following steps: S1, setting a culture environment and a net cage; s2, fingerling stocking; s3, feeding management; s4, daily management; s5, disease prevention and control; s6, harvesting and transporting, in the step S1, a plurality of net cages are prepared, the net cages need to be placed in a pond or a reservoir with the water depth larger than 4 m, the pond or the reservoir needs good water quality and high dissolved oxygen, every three net cages form a group, a water pushing machine is arranged on one side of one group of net cages, a gas compressor is arranged on the inner side of the water pushing machine, and a baffle is arranged in the water pushing machine. An exclusive breeding mode different from conventional freshwater fishes is provided for coreius guichenoti, the overall design of water flowing and environment regulation is emphasized, and the feeding activity and growth efficiency of coreius guichenoti are improved by improving the breeding environment directly aiming at the core problems of insufficient water exchange, lack of water flow stimulation and the like in still water breeding. And a complete scheme is provided for efficient and healthy coreius coreius culture.

The utility model provides a kind of unlocking tool of photoetching machine, and unlocking tool includes: main body, its shape and size are suitable for being placed at the position of interface and predetermined wafer transfer box is carried;At least one trigger part is set on the main body, its position and configuration correspond with the position of at least one sensor, so that when unlocking tool is placed on interface, at least one trigger part can interact with at least one sensor, to simulate the existence state of wafer transfer box, so that photoetching machine receives the signal that wafer transfer box exists and can execute the operation of unlocking and taking out stuck box cover.The unlocking tool of the utility model can effectively simulate the existence of FOUP by its specially designed shape, size and trigger part corresponding with photoetching machine sensor accurately, so that photoetching machine can still execute the operation of unlocking and taking out box cover in the case that FOUP main body is missing and box cover is stuck.

The invention relates to the technical field of communication network simulation, and particularly discloses a large-scale virtuality and reality combined network simulation architecture based on a lightweight virtualization technology, which comprises a clock module, a communication node equivalent device, a physical node, a simulation host and a radio frequency switching matrix, the clock module is used for providing time synchronization signals for the physical nodes, the communication node equivalents and the simulation host through one-time timing or periodic timing; the simulation host is used for calculating link quality, controlling link on-off of the radio frequency switching matrix according to the link quality, and running the digital node simulator; the radio frequency switching matrix is used for constructing radio frequency channels between the physical nodes and between the physical nodes and the communication node equivalents; the physical node comprises to-be-tested equipment of a real communication terminal machine and is used for transmitting a radio frequency signal through a radio frequency channel; and the communication node equivalents are used for analyzing the radio frequency signals into data frames of a link layer and converting the data frames sent by the simulation host into the radio frequency signals.