639 results about "Field simulation" patented technology

A fast method of verifying a lithographic mask design is provided wherein catastrophic errors are identified by iteratively simulating and verifying images for the mask layout using progressively more accurate image models, including optical and resist models. Progressively accurate optical models include SOCS kernels that provide successively less influence. Corresponding resist models are constructed that may include only SOCS kernel terms corresponding to the optical model, or may include image trait terms of varying influence ranges. Errors associated with excessive light, such as bridging, side-lobe or SRAF printing errors, are preferably identified with bright field simulations, while errors associated with insufficient light, such as necking or line-end shortening overlay errors, are preferably identified with dark field simulations.

The invention provides a discrete fracture modeling method based on multiscale factor restraint. The discrete fracture modeling method based on multiscale factor restraint comprises the following steps that the fracture parameter of a single well is recognized and described in details; a fault-wrinkle-fracture symbiosis evolution system is established based on the counted fracture parameters, and a key fracture making period is determined; the fracture parameter based on detailed tectonic stress field simulation is calculated in a quantitative mode; main controlling factors for fracture development are optimally selected; the weights of the main controlling factors of the fracture are optimally selected according to the entropy weight method; a multiscale fracture DFN model restrained by multiple factors is established; a double-hole and double-permeability geologic model is established. According to the discrete fracture modeling method based on multiscale factor restraint, the mutual control and influence between multiscale fractures are analyzed based on detailed description, obtained through CT scanning, of one single well, the multiple geological factors, such as the structure and deposition, controlling fracture development are analyzed, the main controlling factors for fracture development are optimally selected according to the entropy weight method, a large-scale discrete fracture model, a medium-scale discrete fracture model and a small-scale discrete fracture model are established, an idea and method for establishing a detailed fracture geologic model are formed, and an important basis is provided for efficient development of a fractured oil reservoir and scheme optimization.

The invention relates to a slope water-soil loss experiment device and method under combined extreme meteorological conditions. The experiment device comprises an experiment table, a combined extreme environment simulation unit and a control system unit, wherein the experiment table comprises a bottom base, a slope base plate, a downstream baffle plate, soil block standard elements and an experiment table regulating device; the combined extreme environment simulation unit comprises a rainfall simulation device, an air field simulation device, a freezing rain simulation device, a snowfall simulation device, a sunlight simulation device, an air temperature simulation device and an overland flow simulation device; the control system unit comprises a power supply system, a water supply system and a signal acquisition and processing system. According to the invention, the slope water-soil loss experiment device and method under combined extreme meteorological conditions perform indoor simulation and measurement of a slope water body loss situation under a single or combined extreme meteorological conditions of rain storm, rain and snow, freezing rain, flood, drought, high temperature and the like, can achieve accurate and reliable results, and can be widely applied to water-soil loss monitoring, principle analysis and governance under complex variable meteorological conditions.

The invention discloses a transient temperature field simulation method based on multiple commutation failures of a smoothing reactor. The method comprises the following steps that A, an oil immersed type smoothing reactor three-dimensional geometrical model is built in a solid modeling mode on the basis of ANSYS finite element software; B, an oil immersed type smoothing reactor is subjected to heat generating analysis; C, the oil immersed type smoothing reactor is subjected to heat radiation analysis; D, the boundary conditions of temperature field simulation calculation are determined; E, the steady temperature field of the smoothing reactor under the normal work condition is calculated; F, the obtained steady temperature field result is used as an initial value of a failure transient model, then, the failure current is loaded, a step-length method is adopted, the distribution of the temperature field along with time after the failure is calculated, and the transient temperature field simulation method based on multiple commutation failures of the smoothing reactor is completed. The method has the advantage that basis is provided for checking the maloperation reason of a smoothing reactor gas relay and setting the gas checking setting valve of the smoothing reactor.

The invention provides an air quality fast traceability forecast method based on a Lagrangian transportation model. The method comprises the steps that a mesoscale weather forecasting mode is used to simulate the meteorological field of a simulated area; according to the meteorological field requirements of the Lagrangian transportation model, key elements, which are output by a meteorological field simulation system, of the meteorological field are extracted, and the data format is converted; basic parameters of the Lagrangian transportation model are set; the space-time probability distribution of released particles in the meteorological field is calculated through the Lagrangian transportation model, and a particle probability distribution database is built; the space-time probability distribution of the released particles and a pollution source list in the simulated area are combined to calculate the potential source contribution distribution of pollutants; and finally, statistical simulation is carried out on the calculated pollutant concentration and the contribution of each industry to the pollutant concentration in the pollutant list. According to the invention, the air pollution source of an area and a city can be analyzed and forecasted, and the identification of the key area of pollution contribution and quick response demonstration of and pollution emission reduction measures can be realized.

The invention provides a method for carrying out online automatic accurate amplitude-cutting control on spraying width of secondary cooling water of a wide and thick slab, belonging to the technical field of control over cooling water for continuous casting and aiming at overcoming the defects of large engineering modification of a cooling water supply loop, higher cost or poorer control precision of manually adjusting spraying width and the like existing in the prior art. The method mainly comprises the following steps of: taking secondary cooling water spraying widths of different steel types and different width specifications of casting blanks, which are determined through temperature field simulation computation of secondary cooling water regions of the casting blanks and field tests,as references, driving a guide device mainly consisting of a support frame and a collecting guide pipe to collect and guide out redundant cooling water which is sprayed from spray pipes at edge partsof rows of the inner arc of the sector section so as to realize online accurate amplitude-cutting to spraying width of the secondary cooling water of the inner arc of the sector section. Due to adoption of the method disclosed by the invention, temperature of the corner of a continuous casting blank can be stably controlled at 870-900 DEG C, a third brittleness temperature region of steel is effectively avoided, the micro transverse crack defect rate of the corner of the micro alloy steel continuous casting blank is controlled within 1 percent.

The invention relates to an air pollutant monitoring and early-warning method and an air pollutant monitoring and early-warning cloud platform. The air pollutant monitoring and early-warning cloud platform comprises a data acquisition module, a data processing platform and a communication module, wherein the data acquisition module is used for acquiring a pollutant concentration in the air, a wind direction and a wind speed; the data processing platform is used for acquiring data output by the data acquisition module, adopting a puff orbit model for conducting three-dimensional flow field simulation, correcting error data through utilizing fitted historical pollutant concentration and wind speed monitoring data, predicting a pollutant concentration at a fixed location in future and calculating an air pollution index, and conducting three-dimensional flow field simulation by means of the puff orbit model to obtain pollutant concentration planar distribution by utilizing pollutant concentrations at monitoring points and the wind speed monitoring data for tracking a pollution source precisely; and the communication module is used for connecting a management system in a wired or wireless manner, connecting a user terminal in a wireless manner, and issuing air quality inspection reports, prediction reports, pollutant distribution contour diagrams and possible pollution source locations to the user terminal.

The invention discloses a surface uniform rainfall field simulation device which comprises a water supply unit, a water flow control unit, a spraying unit and a drainage unit, wherein the water supply unit comprises a water storage tank, a water supply tank, a diversion pipe and a water pump, the water flow control unit comprises a water inlet pipe and a multi-path water flow control valve, the spraying unit comprises needles with different diameters, an air nozzle and an air control valve, a position adjusting unit comprises a stepping motor, a horizontal guide rail and a lifting rod, a wind field control unit comprises a blower, a wind speed regulating valve and a diversion plate, the drainage unit comprises a drainage groove and a water discharge pump, the water flow control unit comprises a water inlet pipe and a water flow control valve which is connected with the needles with different specifications, the set flow water pressure is matched with the specifications of the needles, and the droplet size and dripping speed of water dropped from the needles are accurately controlled through setting different water pressure. According to the device, the size and space distribution of water droplets can be simulated and accurately controlled, the device has high uniformity and stability, and a reliable basis is provided for the examination of the performance and accuracy of a rainfall measuring instrument.

The invention provides a cable-joint cable core temperature inversion method and a cable-joint cable core temperature inversion system on the basis of a surface temperature of a cable. The cable-joint cable core temperature inversion method comprises the following steps: S1, carrying out radial temperature inversion according to a cable one-dimensional transient thermal circuit model and a temperature of a surface temperature measured point of a cable body so as to obtain an inversion transient temperature of a cable core fit point; S2, constructing a cable two-dimensional temperature field simulation module by adopting a finite element temperature field simulation method and simulating transient temperatures of a cable core contact point and the cable core fit point under different loading currents and at different moments so as to obtain a transient temperature simulated data set; S3, using the transient temperature of the cable core contact point as an independent variable, using the transient temperature of the cable core fit point as a dependent variable and carrying out fitting on the transient temperature simulated data set so as to obtain a cable core axial temperature function; S4, combining the inversion transient temperature of the cable core fit point with the cable core axial temperature function to obtain a temperature of the cable core contact point. According to the invention, the accurate temperature of the cable core contact point can be obtained by utilizing the surface temperature of the cable body through inversion and fitting; the cable-joint cable core temperature inversion method and the cable-joint cable core temperature inversion system are simple, convenient and rapid.

The invention discloses a method for achieving adjusting and controlling of titanium alloy beta crystal grains obtained through laser additional material manufacturing. The method comprises the stepsthat a laser additional material manufacturing process window is preliminarily optimized, optimized process parameters are obtained, and under the optimized process window, the temperature field of amolten pool is calculated; the temperature gradient G and the cooling rate xi of the molten pool are extracted, and the G2 / xi value is worked out; the beta grain histomorphology is judged according tothe following rules, specifically, when xi is larger than or equal to 3*10<3> and smaller than or equal to 10<5> DEG C and G2 / xi is smaller than or equal to 1.2*10<6> DEG C s / m<2>, the beta grains are equiaxial grains, and when xi is smaller than or equal to 3*10<3> DEG C / s and G2 / xi is larger than or equal to 3*10<9> DEG C s / m<2>, the beta grains are columnar grains; the main process parameter sections of the equiaxial beta grains and the columnar beta grains are obtained; and finally, laser additional material manufacturing is conducted by adopting the corresponding process parameters, andparts controllable in beta grain histomorphology are obtained. According to the method, through molten pool temperature field simulation and solidification theory combination, achieving adjusting andcontrolling of the beta crystal grains are achieved, and the mechanical property of the formed parts can be effectively improved.

A method of improving the production of a mature gas or oil field, the field comprising a plurality of existing wells, the method comprising the steps of providing a field simulator capable of predicting a production of the field in function of a given scenario, a scenario being a set of data comprising production parameters of the existing wells and, the case may be, location and production parameters of one or more new wells, determining drainage areas of the existing wells using the field simulator, determining locations of candidate new wells such that drainage areas of the candidate new wells, determined using the field simulator, do not overlap with the drainage areas of the existing wells, optimizing the value of a gain function which depends on the field production by determining a set of wells out of a plurality of sets of wells, which optimize the value of said gain function, each set of wells of said plurality of sets of wells comprising the existing wells and new wells selected among the candidate new wells.

The invention provides a simulation method and device of a motor temperature field. The simulation method comprises a three-dimensional model of a motor is established; grid partitioning is conductedon the three-dimensional model, heat-transfer characteristic valuation is conducted on each part of the motor; the sub-loss of each part of the motor is determined according to electromagnetic field distribution and vortex field distribution; the mechanical loss of the motor is determined according to the flowing state of air gap oil bath liquid in the motor and dynamic and static loads of an alignment bearing of the motor; the sub-losses and the mechanical loss are converted into heat generation rates; valuation is conducted on each part of the motor according to material characteristics andthe heat generation rates, and temperature field distribution results of all the parts of the motor are calculated. The temperature change situation of each part in the motor, especially the key part,can be obtained, real-time monitoring and analysis can be conducted on the temperature of each part in the motor, the authenticity and comprehensiveness of the motor temperature field simulation results are improved, and the simulation method and device have the guidance effect on structural optimization of the motor and adjustment of an actual operation mode.

The invention relates to a method for predicting wellbore pressure and temperature field simulation as well as hydrate through deep-water test. The method comprises the following steps: preparing parameters; initializing a wellbore temperature field and pressure field; solving formation flow and bottom-hole pressure distribution information by using a seepage flow mathematical model for gas reservoir; inputting the formation flow and bottom-hole pressure distribution information into a wellbore flow model for iteration to solve a wellbore pressure profile and determine whether the wellbore pressure is converged or not; calculating thermophysical parameters, and calculating a total heat transfer coefficient of a formation section and a seawater section; substituting the wellbore pressure and the total heat transfer coefficient into a wellbore temperature field model to calculate the wellbore temperature profile of each node; determining whether the wellbore temperature profile is converged; determining whether tn is less than (tn+1) or not, if yes, outputting a well temperature-well depth curve and a hydrate generation temperature-well depth curve corresponding to the wellbore pressure, and determining whether a hydrate is generated according to the curves; or else, returning to predict the conditions of wellbore pressure and temperature field simulation as well as hydrate. According to the invention, the method can be widely used in the oil exploration process.

The invention discloses a 10kV three-core cable temperature field model establishing method. The method includes the steps that 1, thermal field simulation is conducted on a 10 kV three-core cable loaded with current through ANSYS simulation software, and a temperature field distribution diagram of a cable radial section is obtained; 2, the cable section is cut through a cutting method in cooperation with a cable symmetrical structure and the isotherm, the cable is equally cut into three parts according to three cable cores, and one of the three parts is selected to serve as the research object; 3, a steady state thermal circuit model is established for the selected one-third cable structure, and cable structure layers located on the isotherm on the same diagram serve as joints in the thermal circuit model; 4, the thermal resistance generated when heat flow flows through all layers of cable materials and the generated losses are determined; 5, the 10 kV three-core cable steady state thermal circuit model is established according to the temperature field distribution diagram of the 10 kV three-core cable, all the joints in the determined thermal circuit model, the heat resistance among all the joints and the losses of various materials. The established 10kV three-core cable steady state thermal circuit model can be used for numerical calculation.

The invention discloses a BIM-based steel structure full life cycle management system and method, and belongs to the technical field of fabricated steel structure computer application. The system comprises four modules: a first module which is a design calculation module and a data information sharing platform provided for a plurality of different professional departments; a second module which isa prefabrication processing module, completes deepening of a design drawing, divides component categories according to information, gives a prefabricated component production plan and completes prefabrication processing in a factory; a third module which is a construction management module used for overall planning component scheduling, laser scanning of a construction site, simulation of site construction and supervision of construction quality and progress; and a forth module which is a maintenance management module used for regularly maintaining and detecting the building put into use andanalyzing and processing emergency accidents. According to the invention, cooperative management of the fabricated steel structure in the whole life cycle of design, processing, construction and use maintenance can be realized, and three-dimensional visual information collection, process supervision and later operation maintenance are carried out on the building.

In an optical transmission link having discrete optical reflection sources that cause multi path interference (MPI) and optical return loss (ORL), a method determines how to reduce to beneath a predetermined threshold, a predetermined phenomenon (MPI or ORL or a composite of the two). The method involves (408 / 428 / 458) measuring link parameters of the optical transmission link using an optical reflectometry technique, (410 / 430 / 460) calculating a level of the predetermined phenomenon based on the link parameters, and (416 / 436 / 466) simulating replacement of a number of the reflection sources until the calculated level of the predetermined phenomenon is reduced to less than the predetermined threshold. The method may be performed within a portable optical reflectometry device to facilitate field simulations.

The invention discloses a concrete temperature field simulating calculation method based on a pouring block. As for a single dam block, a part of an upper dam block and a part of a lower dam block are combined into the single dam block to form a target dam block model, wherein the upper dam block and the lower dam block are adjacent to the single dam block; grid joints around a cooling water pipe are arranged in the radial direction of the cooling water pipe, the grid units gradually become larger from the position close to the water pipe to the position far away from the water pipe. The plane temperature field simulation is achieved. According to the concrete temperature field simulating calculation method based on the pouring block, temperature simulation is carried out on the pouring block, and the temperature field data of the whole pouring block are obtained. Individuation water passing suggestions are given for specific situations, the control level for cooling water passing is improved, and therefore the construction quality of dam concrete is improved, and the workload of site constructors is relieved.

An ARINC429 data bus simulation test system belongs to the technical field of simulation test. It is characterized in that the ARINC429 data bus simulation and test environment is formed by the simulation controller [1], the data transmission and control bus [2], the ARINC 429 communication interface [3] and the ARINC 429 interface adapter [4], and the simulation controller [ 1] Through data transmission and control bus [2] control ARINC429 communication interface [3] to realize the transmission and reception of data information, simulate the generation and transmission process of information flow of airborne equipment such as airborne flight control system and avionics system, and receive Other airborne equipment information flow and display. The invention has the advantages of complete system function, reasonable layout, compact structure, reliable operation, convenient use, good expansibility and tailorability.

A demonstration device and a demonstration method for urban public security multi-disaster secondary derivation coupling simulation belong to the technical field of public security simulation. The demonstration device comprises a dynamic sand table, a projection device and a control system. An urban model is arranged on the dynamic sand table, a movable lift and a vibration instrument are arranged at positions inside the dynamic sand table. A detecting device is arranged on the dynamic sand table, and the projection device is divided into a dynamic sand table projector, a three-dimensional animation projector and a horizontal projection screen. By means of a method based on three-screen linkage by combining a physical model and a virtual three-dimensional image, demonstration of experiments and value simulation results of happening and developing rules under the conditions of urban multiple emergency events and coupling of the events is achieved. Dynamic demonstration of links of disaster field simulation reappearance, monitoring, information delivering, information access, predicting, pre-warning and decision control and the like are achieved. Visual presentation means are provided for the disaster reappearance, risk evaluation, scene deduction, pre-arranged planning practice, education and training and the like.

The invention belongs to the technical field of a battery management system and especially relates to a battery management system SOC estimation precision test system and test method. A single voltage simulation source, a battery set total voltage simulation source, a current simulation source, and a battery box temperature field simulation source A data are integrated through a data acquisition control system, high-voltage battery set external characteristic parameters can be simulated, wherein the parameters comprise a single battery voltage, a total voltage, single battery temperature and charge and discharge currents. During battery management system test, the battery management system SOC estimation precision test system is utilized to replace a battery set. The test method can be used for SOC precision test in the battery management system development and test process, thereby greatly reducing development and test period, saving the test cost, and improving the system reliability.

The invention discloses a 10-kV three-core cable finite element thermal analysis method. The method comprises the steps of 1, determining the geometric structure, size and material parameters of a 10-kV three-core cable; 2, utilizing the Solid Works for building a three-dimensional model according to the geometric structure of the 10-kV three-core cable; 3, importing the three-dimensional model built by the Solid Works into ANSYS and converting the three-dimensional model into a geometric model in the ANSYS; 4, calculating the heat production rate of a heating portion according to the current loaded by the cable and parameters of the heating portion of the cable; 5, loading material parameters of layers in the ANSYS, dividing units and applying loads to obtain the temperature field distribution result of the 10-kV three-core cable. According to the 10-kV three-core cable finite element thermal analysis method, the three-dimensional model building function of the Solid Works and the finite element analysis function of the ANSYS are combined, three-dimensional temperature field simulation of the 10-kV three-core cable is achieved, the operational process is visual and convenient, the model is precise and reliable, the operation efficiency is high, and the method can be popularized in finite element thermal analysis of complex structures like cable intermediate connectors.

The invention discloses a bridge wind wave and flow coupling field, an elastic model and a dynamic response experiment test system body. The system comprises a wind wave and flow coupling field simulation system, a bridge elastic model in the wind wave and flow coupling field and a dynamic response experiment test system body. The wind wave and flow coupling field is generated by the wind wave and flow coupling field simulation system with time synchronization and space correlation of wind, wave and flow considered; simulation of the characteristic of a bridge elastic structure is achieved by the bridge elastic model in the wind wave and flow coupling field in the wind and flow coupling field generated by the wind wave and flow coupling field simulation system; the dynamic response of the bridge elastic model is tested by the dynamic response experiment test system body, and a test result is obtained. By means of the bridge wind wave and flow coupling field, the elastic model and the dynamic response experiment test system body, simulation of the wind wave and flow coupling field and the bridge elastic model in the wind flow coupling field and the dynamic response experiment test body can be achieved.

The invention discloses an unmanned system, comprising a control console (4) and an aircraft (7), and characterized in that the aircraft (7) is provided with a detection module and a first communication module; the console (4) is provided with a supervision module, a control module, a central processing module (11) and a second communication module. The unmanned system utilizes a detection information processing unit arranged on the aircraft to feed back flight scenes and flight parameters of the aircraft to the control console in real time, and is not limited by a range of visibility; through the simulated reality technology, a controller can have an immersive experience of aircraft driving statuses, thereby timely and accurately controlling the aircraft, and completely realizing virtuality-filed driving of field simulation; the unmanned system can be widely applied to unmanned aerial vehicle film shooting out of a field range, unmanned fire extinction and throwing under remote complex environments, and accurate express delivery for urgent need of materials.

The invention discloses a high-voltage switch cabinet insulator electric field optimization method based on a quantum genetic algorithm. The method comprises the following steps that 1) a high-voltage switch cabinet insulator geometric model is built; 2) the high-voltage switch cabinet insulator model is subjected to electrostatic field simulation to obtain the maximum electric field intensity value, and structural factors for influencing the electric field distribution and the maximum field intensity are determined through changing variable structural parameters; 3) a population is initialized; 4) an objective function is determined, and a fitness degree function is calculated, wherein the objective function of an individual is the electric field intensity corresponding to the parameters; 5) for the individual population consisting of binary gene codes, the variation is carried out after the selection and the full-interference crossing; and 6) whether the quantum genetic operation stop condition is met or not is judged, if the stop condition is not met, the operation returns to the first step, and if the stop condition is met, the corresponding response value is calculated according to the optimized structure parameters obtained in the fifth step, and the maximum electric field intensity value is obtained. The method can realize the optimization on the high-voltage switch cabinet insulator electric field.

The invention discloses a log domain analog wavelet transform circuit for detecting an electrocardiogram signal QRS wave, comprising a forming circuit of differential input current signals and a current mirror circuit, four parallel log domain differential voltage filter circuits, four log differential compression circuits and four exponential differential expanded circuits. Each input of the log domain differential voltage filter circuits is connected with the forming circuit of differential input current signals and the current mirror circuit through the log differential compression circuits. Each output of the log domain differential voltage filter circuits is connected with an input of the exponential differential expanded circuits. The log domain analog wavelet transform circuit has the advantages of being integrated in a piece of analog integrated circuit, real-time realizing continuous wavelet transform under the characteristic dimension of the electrocardiogram signals with low power consumption, satisfying application requirements of an implanted artificial cardiac pacemaker for low power consumption and small size.

The invention provides a whole-flow-field simulation method of the Hermite interpolation basic weighted non-oscillatory format. A finite-volume Robust HWENO format is constructed in the Cartesian coordinate, and through the cooperation with the immersed boundary method, a compressible flowing-around problem is calculated, the robustness of the Robust HWENO format is better than that of a HWENO format, and the Robust HWENO format is more easily popularized into a high-dimensional or movable and self-adaptive grid. Under a structural grid, when directly simulating the problem, the finite-volume Robust HWENO format requires a high-quality grid, however, generation of the high-quality grid is very complicated, and the immersed boundary method is a good method which can well process the boundary of an object surface and can be effectively used in various computational grids. Therefore, in the method, the finite-volume Robust HWENO format is effectively combined with the immersed boundary method, numerical simulation of the compressible flowing-around problem can be effectively conducted on a very simple Cartesian grid, and several numerical value simulation results of classical steady and unsteady problems fully verify the effectiveness of the method.

The invention discloses a microwave thermal ablation temperature field simulation method based on characteristic parameter feedback. The method comprises the steps that preset initial conditions and boundary conditions are set in COMSOL Multiphysics software, and a microwave thermal ablation temperature field simulation model is established; sensitivity analysis is performed on body model organization characteristic parameters based on the simulation model; a microwave thermal ablation experiment is executed, a temperature measurement probe is utilized to perform actual measurement on seven points in an ablation region, and actually measured temperature is obtained; a precise representation form of the characteristic parameters is obtained by use of actually measured data of a feedback probe based on a parameter sensitivity analysis result; and temperature field simulation is performed by use of the precise representation form of the characteristic parameters, and the characteristic parameters are compared with the actually measured data to verify the precision of a temperature field distribution model. By the adoption of the technical scheme, the problem that in the prior art, temperature field distribution cannot be obtained precisely due to uncertainty of the organization characteristic parameters is solved.

The invention provides an experiment device and an experiment method for tunnel construction adopting a pipe roofing freezing method, and belongs to the technical field of tunnel engineering. The device comprises an experiment platform, a loading system, a soil mass, a steel pipe support, a plurality of simulation jacking pipes, a freezing system and a data acquisition system, wherein the experiment platform is used for providing an installation space; the loading system comprises a box body installed on the experiment platform, a counter-force frame located above the box body and fixedly installed on the experiment platform, and a hydraulic cylinder arranged between the counter-force frame and the box body; the soil mass is arranged in the box body; the steel pipe support is arranged in the soil mass; the plurality of simulation jacking pipes are movably installed on the steel pipe support to form a pipe roofing and the pipe roofing is arranged in the soil mass; the freezing system is used for freezing the pipe roofing to form a frozen wall; and the data acquisition system is used for acquiring temperature information, displacement information and pressure information of the pipe roofing. The experiment device for the physical model for tunnel construction adopting the pipe roofing freezing method is capable of carrying out field simulation on the pipe roofing freezing method; and comprehensive and systematic research is carried out on the pipe roofing freezing method, so that reference basis is provided for further popularization and use for the pipe roofing freezing method.