126 results about "Process simulation" patented technology

The application discloses a kind of static water pressure simulation device and pressure sampling method with pressure, it is related to sediment-water interface biogeochemical process simulation technical field, the application includes container cylinder, top sealing installation has sealing cylinder cover;Pressure gauge and temperature table are located on sealing cylinder cover;Air inlet assembly and air release assembly are located on sealing cylinder cover;Discharge pipe is located in the lower part of container cylinder, and first control valve, sampling tube, second control valve are sequentially connected in series.The application has broken through to realize the sampling without pressure relief under the condition of in-situ static water pressure, effectively avoids systematic error caused by dissolved gas due to decompression escape;It is suitable for a variety of sediment types and gas types, and provides a high-fidelity experimental platform for greenhouse gas emission research under extreme conditions of deep water reservoir, thermal stratification area;Provide key data support and methodological basis for constructing pressure-corrected methane flux model and deep water carbon emission inventory, serve the national "double carbon" strategy and global change research needs.

The present invention, as a preliminary process for a bending process simulation, collectively selects a plurality of line segments that are arranged on a straight line and that are subject to a simultaneous bending process. When identifying a line segment to be subjected to the bending process to divide the area with respect to a planar area representing a metal sheet, this jig selects both extreme ends of a plurality of line segments existing on the same straight line, thereby collectively selecting the plurality of line segments.

A simulation method and related equipment for machining process training are disclosed. The method includes: acquiring engineering data and process data of the target workpiece; extracting features from the engineering data and combining them with the process data to construct a case resource library; performing semantic association analysis between the pre-set knowledge resource library and the machining cases in the case resource library to generate a process knowledge network; constructing a virtual training environment based on the process knowledge network; collecting interaction data of learners in the virtual training environment and evaluating the interaction data to obtain evaluation results; and generating guidance animations based on the evaluation results and the process knowledge network. This application can improve the learning efficiency of simulation training.

This invention provides an interactive water treatment process simulation teaching aid, including an installation box and water treatment components. The water treatment components include a coagulation component, a sedimentation component, a filter component, and a disinfection component arranged sequentially along the circumference of the installation box on its outer side wall. The coagulation component and the sedimentation component are connected by a first connecting pipe, the sedimentation component and the filter component are connected by a second connecting pipe, and the filter component and the disinfection component are connected by a third connecting pipe. This interactive water treatment process simulation teaching aid provides a low-cost, compact teaching aid that allows for practical application of water sample treatment processes, making it highly practical.

This application provides a simulation method and related equipment for a non-ferrous metal smelting process. In this application embodiment, at least one process fusion model can be constructed, wherein each process fusion model corresponds to a key process in non-ferrous metal smelting, and is obtained through the following methods: an initial model is constructed based on the process mechanism of the key process, and the parameters of the initial model are dynamically calibrated using real-time production data of the key process; in response to simulation instructions, one or more key processes involved in the simulation target are determined, and if the simulation target involves multiple key processes, the corresponding fusion models of the multiple key processes are associated according to the process coupling relationship between the multiple key processes to form a full-process simulation model; simulation calculations are performed based on the process fusion model or full-process simulation model corresponding to the simulation target, and simulation results are output.

This invention provides a vehicle simulation speed correction method and system, relating to the field of vehicle intelligent dynamics modeling technology. The correction method includes the following steps: S1: Input and process simulation data output from the vehicle dynamics simulation model and corresponding real vehicle test data; S2: Construct a dynamic graph structure representing the interaction between state variables based on a preset physical coupling relationship of the vehicle powertrain; S3: Input the simulation data into a GCN and perform graph convolution operations under the constraints of the dynamic graph structure to extract graph embedding feature sequences representing the spatial dependencies between state variables; S4: Input the graph embedding feature sequences into a TCN and perform temporal convolution operations to learn the dynamic evolution law of state variables in the time dimension and output the correction amount of the vehicle simulation speed; S5: Output the result. Based on this, this invention solves the problem that existing correction methods have various limitations in practical applications.

The application relates to the technical field of metal processing, and discloses a surface nanometer strengthening treatment system for metal pieces, which comprises a data acquisition module, an intelligent decision module, a process simulation module, a verification and optimization module and an instruction output module, extracts initial state data of the surface of the metal pieces, carries out nanometer strengthening decision analysis on the initial state data to obtain a nanometer strengthening process parameter sequence of the surface of the metal pieces, simulates an electrochemical deposition process on the nanometer strengthening process parameter sequence to obtain nanocrystalline layer growth prediction data of the surface of the metal pieces, carries out stability verification on the nanocrystalline layer growth prediction data, adjusts weight parameters in the nanometer strengthening decision analysis when the verification fails, obtains an optimized process parameter sequence of the surface of the metal pieces, encodes the optimized process parameter sequence to obtain nanometer strengthening treatment instructions, and can improve the process research and development efficiency and production implementation efficiency of the surface nanometer strengthening treatment of the metal pieces.

The present application relates to the technical field of river dredging treatment, and relates to a river sludge treatment method based on dynamic simulation and optimized decision, obtains and processes historical and real-time multi-dimensional environmental data of a river to be treated and an influence area thereof, constructs a watershed process simulation system capable of simulating river water dynamics, sediment transport, pollutant migration and transformation and ecological response process, parameterizes definition of decision variables constituting a river treatment scheme, formal definition and setting of a multi-objective optimization problem, adopts a multi-objective optimization engine, embeds the watershed process simulation system as a core evaluation module into an optimization iteration loop, implements an optimized scheme, and continuously monitors environmental state changes during and after implementation, the present application can accurately predict long-term and short-term effects of different treatment schemes in terms of water dynamics, sediment, pollutant migration and transformation and ecological response, and solves the problem of sludge comprehensive treatment.

A kind of plate rotary body part simulation forming process entity unit wrinkle monitoring method, by constructing rotary body part forming simulation model and carrying out sheet metal deep drawing forming process simulation, extract the surface geometric information of rotary body part in simulation result, obtain the degree of surface fluctuation by converting coordinate system and comparison calculation, and then accumulate to obtain overall wrinkling evaluation.The present application does not need to establish the relationship between strain and material wrinkling instability, and obtains the micro-wrinkling on the surface of the part in the deformation simulation process by geometric method, directly judges the fluctuation of the surface of the finite element model part according to the wrinkling in the forming process of the part, and efficiently completes the fluctuation (wrinkling) comprehensive judgment of the simulation forming surface of the whole rotary body part.

The application discloses a simulation and dispatching control method and system for urban flood process. The application belongs to the technical field of urban water conservancy system control. The method comprises the following steps: collecting and constructing a specific type of basic data set, respectively constructing a hydrological runoff model, a one-dimensional water power model of a drainage pipe network, a river network mixed water power model and an engineering dispatching model; performing three-dimensional dynamic coupling to form a water resource full-space dynamic model; using at least one historical flood event in historical flood data to calibrate parameters and verify accuracy of the water resource full-space dynamic model; after verification, using the water resource full-space dynamic model to build a digital simulation platform to simulate flood and determine a dispatching scheme. The technical scheme can realize multi-scenario dynamic simulation, automatic comparison and selection after generation of a dispatching scheme, enhance system adaptability and response timeliness under extreme weather, and provide an efficient and accurate flood control and drainage scheme generation mechanism for urban area flood control and drainage.

This invention provides a differential protection testing method and system for converter transformer valve groups based on fault process simulation, belonging to the technical field of differential protection testing for converter transformer valve groups. The testing method includes parameter configuration via human-machine interaction; acquiring status data of the DC protection device during normal operation; and, by acquiring data from the DC protection device during normal operation and fault data under various fault conditions, discretizing this data, and then simultaneously sending the AC-side and DC-side discrete data to the DC protection device for sequential differential protection characteristic testing. This enables the testing of the valve group's differential protection characteristics, ensuring more reliable operation of the DC protection device and improving the safety of the protection system.

The application discloses a high-precision and high-efficiency dammed lake flood outburst simulation and risk prediction method and system, breaks through the limitations of traditional methods in the balance of calculation accuracy and calculation cost, establishes a dammed lake flood outburst disaster chain coupling calculation model considering an erodible bed surface, and is used for simulating the whole process of a disaster chain from dammed lake water level rising-dammed body overtopping erosion outburst-flood outburst evolution-downstream engineering; the method is based on shallow water-erosion-riverbed morphology coupling dynamics theory, considers the collapse mechanism in the dammed body outburst process, can be applied to the simulation of the dammed body outburst process under the erosion action and the whole dynamics process of the outburst flood spreading to the downstream engineering and further affecting the engineering buildings, can calculate in advance the flood risk factors such as the time, maximum water level and maximum flow rate of the outburst flood spreading to the downstream engineering and the auxiliary buildings, and can provide decision support for the outburst flood risk warning and defense.

The application discloses a multi-salt electrolyte system crystallization simulation method and device based on a solubility function model, a medium and a product, relates to the field of chemical thermodynamics and crystallization process simulation, and comprises the following steps: obtaining saturation solubility experimental data of target components under different experimental conditions; constructing a solubility function model of the target components based on the saturation solubility experimental data, and fitting solubility function model parameters of each electrolyte system; calculating the theoretical saturation solubility of the target components under the current conditions based on the solubility function model and the fitted solubility function model parameters, so as to determine whether the multi-salt electrolyte system is in a supersaturated state; and if the multi-salt electrolyte system is in a supersaturated state, calculating the crystallization amount of the target components based on material balance relations, and obtaining the mother liquor composition, the flow rate of the mother liquor stream and the flow rate of the solid product. The application can improve the accuracy and universality of the crystallization simulation of complex electrolyte systems.

This invention discloses a production line modeling method based on a multi-layered logical model. The method comprises three levels: equipment-level, unit-level, and production line-level modeling. First, equipment is abstracted as a logical chain of "input-processing-output," describing its geometric, physical, behavioral, and rule information through quadruples. Second, multiple equipment logical models are combined into storage, production, and detection units, with internal collaboration driven by state and event, and inter-unit interaction through standardized interfaces. Finally, a production line-level logical model is constructed through a unified interface, achieving seamless integration and simulation expansion of the multi-layered logical models. This method, combined with a production process simulation module, enables the standardization, modularization, and rapid construction of production line models, improving production line design efficiency and operational flexibility.

The application discloses a kind of rice irrigation area field dynamic hydrological process simulation method and system, method includes: the spatial correlation information base of rice field and ditch is constructed;With day as step simulation cycle, according to the dynamic adjustment effective field height of rice growth stage, based on field type and water level potential energy difference calculation lateral recharge or discharge;According to the exponential decay correction of plow pan saturated hydraulic conductivity of consecutive flooding days, calculate vertical infiltration amount;Overflow drainage, lateral discharge, vertical infiltration are updated into water balance equation field water depth;According to the topological network of confluence of field spatial position and elevation, consider the peak-shaving superposition of confluence time delay, obtain sub-basin export total runoff.It realizes the whole process fine simulation of field ridge water storage, field-ditch lateral interaction, plow pan nonlinear infiltration and distributed confluence, significantly improves the precision of rice irrigation area hydrological process simulation, provides scientific basis for irrigation water resources management.

This invention provides a method for predicting the surface stress distribution of a three-dimensional dynamic storage capacitor, comprising: establishing a TCAD process simulation program according to the manufacturing process of the three-dimensional dynamic storage capacitor to obtain the three-dimensional simulation structure of the capacitor; performing stress simulation on each step of the manufacturing process based on the three-dimensional simulation structure of the capacitor, so that the stress in the structure is rebalanced after each step of the process is completed; obtaining stress distribution maps under different parameter combinations by changing the structural parameters, material parameters, and process parameters of the device; obtaining a dataset based on the stress distribution maps under different parameter combinations; dividing the dataset into a training set and a test set, and training it using a neural network to obtain a trained prediction network; and using the trained prediction network to predict the stress distribution of each layer under different input parameters. This invention can efficiently predict the surface stress distribution of 3D capacitors, significantly improve the performance of 3D capacitors, and is beneficial for optimizing device design and improving device stability.

This invention discloses a modeling method and system for the formation process of coatings on the inner wall of steel pipes, relating to the field of metal pipe surface treatment technology. The method includes establishing a spraying process model based on the physicochemical properties of raw materials and process parameters; constructing an adhesion interface model by combining three-dimensional scanning data of the inner wall of the steel pipe with substrate pretreatment parameters; and coupling these to establish an incremental coating model. An improved smooth particle hydrodynamic algorithm is used to solve the spraying process model, simulating particle movement, atomization, and spatial distribution. The results are input into the incremental coating model to achieve layer-by-layer coating accumulation. Based on preset coating thickness and uniformity indicators, the accumulated results are used to iteratively optimize process parameters, forming a closed-loop modeling process. This method can improve the simulation accuracy of complex inner wall spraying flow fields and deposition processes, achieving closed-loop control of coating growth processes and process parameters. It is suitable for accurate simulation and parameter optimization of the coating preparation process on the inner wall of steel pipes.

This application discloses an intelligent control method and system for the molding process of carbon fiber composite materials, relating to the field of composite material molding control technology. The method includes the following steps: constructing a digital model of the component for process simulation; acquiring and inferring the internal state information of the component based on the internal environmental parameters of the autoclave and the surface state parameters of the component, and updating the internal state information to the digital model; predicting the evolution of the internal state of the component within a preset time period based on the updated digital model, and identifying potential process risks of the component; determining control commands for adjusting the process parameters of curing based on the potential process risks; performing another simulation in the updated digital model with the control commands as input to verify the control commands; and sending the verified control commands to the autoclave for execution. This application can improve the molding quality, uniformity, and long-term reliability of composite material components with complex shapes.

This invention provides a numerical simulation method and system based on a Fortran-programmed Lee-Tarver equation coupled with an SPH model, comprising: receiving initial input data from the SPH numerical model; loading fixed parameters, reaction rate partitioning thresholds, and numerical protection parameters of the Lee-Tarver equation; calculating density ratio and relative volume deviations to correct anomalous data; calculating unreacted and reacted state pressures based on the Lee-Tarver trinomial equation, and calculating the mixed pressure under the current reaction progress; dividing the reaction process into ignition, early growth, and high-pressure growth stages, dynamically switching the calculation logic according to the threshold conditions of each stage, and accumulating the reaction rates of each stage to obtain the total reaction rate; performing single-step incremental constraints and boundary constraints on the total reaction rate; realizing the time evolution of the reaction progress through time-step integration, synchronously updating internal energy and pressure to ensure energy conservation during the detonation reaction process; calculating the sound velocity of SPH particles to realize the dynamic process simulation of the explosive from ignition to complete detonation or sympathetic detonation triggering.

The application provides a calculation method for pipeline erosion process simulation based on large eddy simulation, which comprises the following steps: S1, meshing a geometric piece by using ICEM software; S2, setting boundary conditions and particle parameters; S3, setting a fluid calculation format; S4, setting a particle erosion model; S5, calculating by using OpenFOAM software and post-processing by using Paraview software. The application adopts large eddy simulation, and simultaneously considers the calculation cost and accuracy, especially for a bent pipe, and can better capture the secondary flow phenomenon. Moreover, the calculation method can obtain the erosion condition in advance by using the simulation method, and the actual process can be adjusted accordingly, so that the experimental cost is greatly saved.

This invention provides a BIM-based method and system for simulating heavy lifting equipment, including acquiring the architectural design parameters and electromechanical system requirement parameters of the steel structure factory to be constructed; constructing an integrated BIM model including a steel structure model and an electromechanical model based on the architectural design parameters and the electromechanical system requirement parameters; simulating the lifting process based on the lifting path planning of the heavy equipment in the integrated BIM model, and performing steel structure stress analysis on the lifting process based on the deformation parameters and the load parameters; generating equipment installation schemes and structural safety verification reports based on the results of the lifting process simulation and the steel structure stress analysis, thereby realizing digital and precise simulation of heavy equipment lifting in tall steel structure factory buildings, avoiding collisions and structural safety risks in advance, and improving the efficiency, accuracy, and safety of lifting construction.

The application discloses a reinforced concrete structure damage process simulation method based on an SPH method, belongs to the technical field of computational mechanics and structure engineering simulation, and comprises the following steps: firstly, removing the damage softening component from the total deformation gradient to obtain an effective physical state and a deformation gradient without interference; secondly, determining a plurality of mechanism criteria of tensile cracking, shear slip and compression plasticity exhaustion, and obtaining a comprehensive damage index through maximum value enveloping; mapping the damage index into a softening factor through a nonlinear square term, correcting the deformation gradient and dynamically adjusting the particle action strength; finally, performing stress gradual attenuation on critical damage particles, and removing the particles after meeting the step number condition. The application can consider the calculation efficiency and the macroscopic mechanical property under a single constitutive framework, accurately restores the material damage softening and the fracture process, effectively avoids numerical oscillation, and improves the precision and stability of the structure damage simulation.

This invention provides a method and apparatus for simulating thin film ALD processes based on the phase-field method, relating to the field of materials surface engineering technology. The method includes: obtaining phase-field variables from the thin film ALD process, wherein the phase-field variables include non-conservative and conservative variables; describing the system evolution process using conservative and / or non-conservative field variables to obtain a free energy functional; when the phase-field variables are non-conservative, obtaining the phase-field dynamic equation using the Allen-Cahn equation and the free energy functional; when the phase-field variables are conservative, obtaining the phase-field dynamic equation using the Cahn-Hilliard equation and the free energy functional; and solving the phase-field dynamic equation using boundary conditions and initial conditions to obtain the distribution results of the field variables in the thin film ALD process. This invention improves the simulation efficiency of thin film ALD processes.

This invention relates to the field of geotechnical engineering physical simulation technology, and more particularly to a physical simulation test device and method for simulating the sectional unloading and disturbance excavation of underground caverns. The test device includes a loading unit, a support and fixing unit, a modular cavern simulation unit, an unloading unit, an impact disturbance unit, and a monitoring unit. This test device can accurately realize the sectional unloading and disturbance excavation of large caverns, and through micro-adjustment, it can simulate the gradual stress release process of each excavation layer. In terms of disturbance and impact, multi-level clamps and spring devices can control the number of impacts and the magnitude of the impact force to simulate the impact of tunnel blasting disturbance excavation on the stability of the surrounding rock. This invention can accurately simulate the sectional and sectional gradual blasting excavation disturbance and unloading process of underground caverns, and can provide a reliable experimental platform for the mechanical behavior and stability analysis of underground cavern construction.

The embodiment of the application provides a loose accumulation body destruction process simulation method and system combined with multiple physical fields, relates to the technical field of geological engineering and rock and soil mechanics, and first captures the traces of stress transmission field, pore medium seepage field and heat exchange field on the loose accumulation body, obtains a multiple physical field dynamic trace set; reversely models the multiple physical field coupling relationship based on the multiple physical field dynamic trace set, and obtains a reverse coupling model; then, imports physical parameters such as particle composition, pore distribution and mechanical response of the accumulation body into the reverse coupling model to obtain coupling evolution data; then, constructs a destruction evolution layered path according to the coupling evolution data; and finally, generates destruction process simulation data containing multiple-dimensional evolution information based on the destruction evolution layered path. The application can accurately simulate the destruction process of the loose accumulation body.

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.

This invention relates to a control method for the vulcanization process of silicone products in the field of next-generation information technology, comprising: if the parameter adjustment requirement exceeds a preset threshold, optimizing the vulcanization process control model through gradient descent to determine the optimal temperature-time combination and obtain dynamic process instructions; updating the equipment actuator with the dynamic process instructions, obtaining curing uniformity data from real-time feedback of the vulcanization process and determining performance non-uniformity deviations to obtain correction coefficients; predicting the impact of raw material batch fluctuations based on the correction coefficients using a random forest model, determining the stability of the curing state to obtain an optimized parameter set; driving a vulcanization process simulation module to generate a virtual test scenario through the optimized parameter set, obtaining simulation performance indicators and determining actual production adaptability to obtain a final control scheme; and obtaining abnormal signals from real-time changes in production conditions according to the prevention and adjustment rules, determining the stability of the curing process, and obtaining a batch production optimization path.

This invention discloses a method and system for simulating stormwater runoff infiltration and storage in rain gardens for sponge cities. First, using a centimeter-resolution three-dimensional topographic model of the target catchment area, the layered structure and geotechnical parameters of LID (Light Infiltration Device) facilities, and minute-by-minute rainfall intensity-duration curves of the design storm as input, an improved Green-Ampt infiltration model considering the layered media and surface water storage driving effects is constructed. This model is integrated with a two-dimensional shallow water equation surface runoff model driven by centimeter-resolution micro-topography through a two-way temporal coupling mechanism, achieving minute-by-minute dynamic simulation of the entire design storm process. This fully reproduces the entire hydrological process of surface runoff collection, LID facility infiltration and storage, and overflow. This invention significantly improves the accuracy and reliability of stormwater process simulation, and can simultaneously output spatiotemporal dynamic visualization results of runoff, quantitative hydrological indicators, and compliance assessment results of sponge city design specifications, providing reliable technical support for the refined design and effect verification of LID facilities.