22 results about "Design engineer" patented technology

The invention discloses a method for quantifying the uncertainty of a full-air-film cooling cascade under the influence of air film hole defects, and aims at realizing the quantification of the cooling performance uncertainty of a full-air-film cooling turbine cascade under the engineering calculation cost by utilizing three strategies of flow parameter dimensionality reduction, flow partitioning and uncertainty superposition. According to the method, key flow parameters and probability distribution of the key flow parameters are evaluated by using a flow parameter dimensionality reduction-based gas film hole robustness evaluation method. The flow partition comprises flow field action evaluation and action mechanism partition. The uncertainty superposition comprises partition uncertainty evaluation and partition uncertainty superposition. The method has the characteristics of simplicity in use, wide applicability, flexibility in evaluation and analysis and low calculation cost. In addition, the method is compatible with data results of multiple sources, and the use requirements of aero-engine turbine design engineers are better met.

The invention discloses a hydraulic structure cloud three-dimensional collaborative reinforcement arrangement design method based on a spatial surface and a spatial line, and the method comprises the steps: constructing a geometric modeling device which supports the analysis and editing of a special-shaped structure curved surface and the spatial line according to the characteristics of a three-dimensional model of a complex concrete structure of a hydraulic structure; based on a cloud architecture, a server and a browser client are constructed, and a cloud three-dimensional collaborative modeling and design environment is realized by adopting a communication technology; defining an operation object of three-dimensional rib arrangement; arranging reinforcements on the basis of a structure entity space surface, and constructing the reinforcements through a reinforcement arrangement direction, constraints of starting points and starting points of a reinforcement arrangement area and a protection layer distance of an offset structure entity surface; arranging reinforcements based on the structure entity space line, and constructing the reinforcements through the constraint of the structure entity space surface, the reinforcement arrangement path and the starting and starting points of the path and the specified distance of the offset structure entity line. According to the method, cloud three-dimensional collaborative rib arrangement of any structure is carried out based on complex space surfaces and space lines, and a brand new design method is provided for design engineers.

The present invention relates to the field of tire simulation design technology, and more particularly to a method, application, and program product for identifying and visualizing the slip and adhesion zones of a tire's contact patch. This method processes numerical simulation data to determine the slip state of tire nodes within the contact patch and uses a program to visualize this state, providing technical support for tire design engineers.

The invention provides a component generation method and device and electronic equipment. The method comprises the steps that an element object set corresponding to a design image and element attribute information of all element objects in the element object set are acquired; according to the element attribute information of each element object, determining an element nesting relationship between the element objects; and according to the element attribute information of each element object and the element nesting relationship among the element objects, generating the interface component corresponding to the design image, thereby avoiding adopting strict specification design to standardize the design image, and having lower requirements on design engineers, thereby reducing the output cost of the design image and improving the generation efficiency of the component.

The present application relates to a design method for realizing automatic generation and operation of verification environment based on DPU. By presetting environment creation conditions, an ENV generation tool is established and called, a basic environment framework is generated by the ENV generation tool, and the expected DPU_ENV verification environment is created based on the basic environment framework; the ENV interface connection tool is called to generate and obtain the required interface signal, and the expected DPU_ENV verification environment and DUT are connected; the RUN tool is defined to establish a connection between the functional options and the EDA tool, and the simulation of different modes and different options is realized by the RUN tool. By generating a verification environment through a standard, it is less difficult for new verification engineers to accept the handover of the verification environment. By advancing the start time of the verification work to the architecture design stage, starting work synchronously or earlier than the design engineer, testing can be carried out quickly.

The application discloses a kind of water conservancy structures cloud three-dimensional collaborative reinforcement design method based on space surface and space line, comprising: according to the characteristics of water conservancy structures complex concrete structure three-dimensional model, construct the geometric modeling device of supporting heteromorphous structure surface, space line analysis and editing;Based on cloud architecture, construct server and browser client, realize cloud three-dimensional collaborative modeling and design environment using communication technology;Define the operating object of three-dimensional reinforcement;Based on structure entity space surface reinforcement, through the constraint of reinforcement direction, the start point of reinforcement area, and offset structure entity surface protective layer distance to construct reinforcement;Based on structure entity space line reinforcement, through the constraint of structure entity space surface, reinforcement path and the start point of path, and offset structure entity line specified distance to construct reinforcement.The application provides a new design method for design engineer by complex space surface, space line based on cloud three-dimensional collaborative reinforcement of arbitrary structure.

The invention discloses an optimal design method and system for an offshore wind power floating foundation structure, and belongs to the field of ocean engineering structure design, and the method comprises the following steps: S1, building a three-dimensional finite element model of the floating foundation structure, and defining a design domain, a non-design domain, material attributes, volume ratio constraints and limit load working conditions for the three-dimensional finite element model; and S2, independently performing finite element solution for each limit load working condition, and calculating the flexibility sensitivity of each unit in the design domain, so that the overall performance and robustness of the final topological configuration are remarkably improved, the sensitivity of a high-conflict region is actively inhibited, and the reliability of the topological configuration is improved. The optimization process can avoid invalid swing between mutually contradictory rigidity requirements, so that a real global optimal solution can be explored and converged, unprecedented design insight and controllability are provided for design engineers, and convergence stagnation or divergence caused by target conflicts is effectively avoided.

A metasurface unit structure inverse design method based on an improved generative adversarial network (GAN) belongs to the field of electromagnetic metasurface design. The method includes: constructing a metasurface dataset based on the metasurface unit structure, its corresponding electromagnetic response, and its category; inputting the dataset in groups into a generator model G and a discriminator model D for model training; for the trained algorithm model, the electromagnetic response and normal Gaussian noise are used as inputs, and the metasurface unit structure is used as the output. This metasurface unit structure inverse design method can directly obtain the metasurface unit structure that conforms to the electromagnetic response from the electromagnetic response, reducing the relevant professional knowledge required by design engineers and the trial-and-error time in designing metasurface unit structures, thus significantly improving design efficiency. Furthermore, by changing the distribution of Gaussian noise, different metasurface unit structures can be obtained, increasing the diversity of generated structures, allowing engineers to choose from a variety of metasurface unit structures.

The invention discloses a design method of a diagonal flow pump intermediate sleeve coupling, which comprises the following steps: designing parameters of the diagonal flow pump sleeve coupling according to the matching power, the rotating speed, the allowable shear stress, the allowable stress, the maximum axial thrust, the allowable extrusion stress and the allowable tensile stress of a given diagonal flow pump, and the parameters comprise the minimum shaft diameter, the key size, the coupling length and the snap ring size. According to the design method of the diagonal flow pump intermediate sleeve coupling, design and calculation of the diagonal flow pump intermediate sleeve coupling are scientific and digitized, and the design is not based on feeling and experience any more; multiple design sizes of sleeve couplings with the same shaft diameter due to the difference of design experiences and habits of design engineers are avoided; the design quality of the diagonal flow pump can be guaranteed, and safe, stable and efficient operation of the diagonal flow pump is guaranteed.

The invention discloses a water conservancy and hydropower engineering design index optimization method based on adversarial learning and an adaptive moment estimation algorithm, and the method comprises the steps: S1, constructing a thematic data set, and distinguishing an input feature from an output feature; s2, constructing a generative network according to the constructed thematic data set, and generating adversarial sample data; s3, marking the confrontation sample data generated in the step S2; s4, screening out true data according to a data authenticity judgment result, carrying out calculation analysis on the true data, and secondarily judging the design rationality of the true data; and S5, constructing an iterative optimization program, determining an optimization target according to the reasonable design data calculated, analyzed and judged in the step S4 as initial input data, and outputting an optimized design index. According to the method, optimal design of water conservancy and hydropower engineering design indexes is realized through mining of engineering high-quality sample data and an iterative optimization strategy, and a brand-new design method is provided for design engineers.

The invention relates to a contact lens development database management system and method, and the system comprises a design management module which is used for receiving and processing a CAD optical design file and a parameter list uploaded by a design engineer terminal, guaranteeing the integrity of design input, and generating a unique code; the proofing cooperation module is used for sending a synchronization signal to a proofing engineer terminal based on the target design product code and the proofing requirement set, and supporting integrity verification and compliance judgment of proofing data; a difference identification module; a data archiving module; and a client interaction module. The proofing collaboration module comprises a proofing collaboration module; the task assignment unit is used for automatically assigning coded design tasks according to the state of the resource pool and generating a proofing work order containing product codes, process requirements and delivery time limit; and the state synchronization unit is used for executing a three-level redundant task synchronization protocol to ensure the strong consistency of the states of the system server, the proofing engineer terminal and the design engineer terminal.

The present application relates to the technical field of optimization simulation method of automobile, in particular to a kind of automobile front longitudinal beam crush performance analysis method.Rigid wall is set, and rigid wall is fixedly constrained;Boundary conditions of finite element analysis model are set, rear end constraint point is set, to ensure that front longitudinal beam model can advance along single direction;Rigid unit is applied to couple the mesh element of rear end constrained of front longitudinal beam, and displacement loading is carried out;Simulation calculation is carried out in solving software by applying display dynamics module;The overall stress state of front longitudinal beam is obtained by loading point force-displacement curve, the total energy absorption state of part is obtained by energy change curve, and the actual deformation state of part in crush process is obtained by stress nephogram.Optimization comparison analysis process has high accuracy, can quickly and effectively analyze the compression crush resistance of front longitudinal beam itself;It is convenient for body design engineer to confirm the performance index of self-designed part structure in the early stage of body development, thereby reducing part development cycle and cost.

The invention relates to the field of integrated circuit chip rear-end design, in particular to an advanced process standard unit row lattice point layout planning method, which comprises the following steps: S1, module initialization and layout planning; s2, adjusting a macro cell; s3, checking and verifying; and S4, finally adjusting and optimizing. According to the design layout requirement rule of the standard unit, the script provided by the embodiment of the invention is used for quickly and accurately carrying out standard unit row lattice point layout planning on the module; a back-end design implementation engineer only needs to operate the script according to the embodiment of the invention in a module initialization stage and a floorplan design stage to quickly and accurately complete the layout planning of the row lattice points of the standard cell, so that the layout design of the chip standard cell can meet the requirement rule of a FinFET process on the row lattice points of the standard cell; and the back-end layout and wiring design of the chip is ensured to be smoothly advanced, so that the chip can be smoothly tapped out.

The application discloses a kind of methods and systems for developing custom software by CAE simulation APP, belong to software development technical field.The method includes: determining the parameters required by design engineer in each simulation App in target industry, to generate the part unit corresponding to each simulation App;Using test case, the correctness of the metadata in each simulation App corresponding part unit is checked, to build the part unit library corresponding to the target industry;Using the functional requirements of industry-specific software and part unit library, part unit screening is carried out to combine part units;The combined part unit is packed as industry-specific software.The application can reduce the development workload and cost (i.e. manpower and time) of industry-specific software, the development speed of industry-specific software is fast, the efficiency of developing industry software is high, and the data transmission and interaction between each simulation App in the development process of industry-specific software are guaranteed.

The present disclosure relates to a computer-implemented method for assisting a design engineer in generating a 3D design of a physical object. The method comprises steps of, in a training phase, acquiring sequences of computer-aided design operations for designs of physical objects and metadata associated with the sequences of computer-aided design operations. The method proceeds with converting the acquired sequences of computer-aided design operations into tokens of computer-aided design operations, and converting the metadata into metadata vectors. The method then trains a model based on the tokens of the computer-aided design operations and the metadata vector, and stores the trained model in a database. In an application phase, the method executes steps of acquiring a user input for the 3D design of the physical object including design constraints and a current sequence of computer-aided design operations, converting the acquired current sequence of computer-aided design operations into one or more tokens of the current design sequence, converting the acquired design constraints into a vector of design constraints, predicting at least one computer-aided design operation based on the trained model stored in the database, and at least one of the tokens of the current design sequence and the vector of the design constraints, and generating information including the predicted at least one computer-aided design operation and outputting the generated information in a signal to the user.

The invention belongs to the technical field of liquid cooling plate detection, and particularly relates to a liquid cooling plate plastic bulge simulation identification method. The liquid cooling plate plastic bulge simulation identification method comprises the following steps: constructing a liquid cooling plate solid model; simplifying the liquid cooling plate solid model into a sheet body model; the chip body model is imported into ANSYS Workbench simulation software, and parameters are set; and carrying out simulation solution to obtain an analysis result. According to the simulation identification method, the problem of failure caused by ventilation bulge of the liquid cooling plate due to design defects caused by insufficient experience of design engineers can be completely eradicated, and the cost generated by production proofing and experiment can be reduced. In addition, the shape of the cross section of the runner is designed according to the actual connection process of the bottom plate and the runner plate, so that the simulation stress surface conforms to the actual product, and the simulation result is more accurate.

To provide a design support system that assists even inexperienced design engineers in appropriately selecting new materials and components suitable for the purpose of product design, and that can also present the annual cost-effectiveness of design changes using new materials and components. [Solution] The design support system 1 is equipped with a database 120, a machine learning means 110, an input means 310, and a display means 320. The database stores design information for multiple materials and parts that make up a product in advance. The machine learning means generates a trained model 130 that extracts design information with a high degree of fit to the design target information, using the multiple design information as training data 112. The trained model then calculates the functional fit and cost fit for existing materials and parts and new design candidates individually, based on the design target values ​​input by the design engineer. Furthermore, the display means displays the respective fit scores side by side so that the design engineer can easily understand the comparison results.

A method for evaluating the robustness of aero-engine turbine aero-thermal performance includes obtaining the number of uncertain parameters and the order of the polynomial to construct a chaotic polynomial expansion model, generating sampling points required for the chaotic polynomial expansion, obtaining result data of the sample points, calculating coefficients of the chaotic polynomial expansion method, performing sensitivity analysis calculations based on the chaotic polynomial expansion, and performing robustness and sensitivity analysis. The present invention can recommend the optimal sampling points and number of sampling points based on the actual calculation conditions, thereby significantly reducing the computational cost required for obtaining robustness analysis of aero-engine turbine aero-thermal performance. Moreover, the method is compatible with data results from multiple sources (CFD commercial software, experiments, empirical formulas, self-programming, etc.), and is more in line with the needs of aero-engine turbine design engineers.

A method for tracing the source of key geometric errors in a five-axis CNC milling machine belongs to the field of machine tool accuracy analysis technology. Specifically, it involves a spatial motion error modeling method for multi-axis CNC machine tools based on multibody system theory, a machine tool machining accuracy prediction method based on the side-cut milling principle, and a key geometric error tracing and analysis method. This invention establishes a spatial motion error model, a machining accuracy prediction model, and a key geometric error tracing and analysis model for multi-axis CNC machine tools. By tracing and analyzing the source of key geometric errors in multi-axis CNC machine tools during the machine tool accuracy optimization design phase, machine tool design engineers can accurately identify key geometric errors. This helps to obtain the influence weight of various geometric errors on machine tool machining accuracy before machine tool accuracy optimization design, correctly guiding machine tool accuracy design and laying a theoretical foundation for CNC machine tool accuracy optimization design.

The invention discloses a method and system for developing customized software through a CAE simulation APP, and belongs to the technical field of software development. The method comprises the following steps: determining parameters required by a design engineer in each simulation App in a target industry to generate a part unit corresponding to each simulation App; performing correctness check on metadata in a part unit corresponding to each simulation App by adopting a test case so as to construct a part unit library corresponding to the target industry; part unit screening is carried out by utilizing function requirements of industry special software and a part unit library, so that part unit combination is carried out; and packaging the combined part units into industrial special software. According to the method, the development workload and cost (namely manpower and time) of the special industry software can be reduced, the development speed of the special industry software is high, the development efficiency of the special industry software is high, and data transmission and interaction among the simulation App in the development process of the special industry software are ensured.

This invention provides a method for inspecting the pressed edges of sheet metal products. Based on the entry and exit function interfaces provided by 3D design software, as well as user-developed functions, the method involves the following steps: opening the sheet metal digital model in the 3D design software, starting the sheet metal pressed edge inspection, data acquisition, determining whether the pressed edges meet processing requirements based on materials and processing methods, determining whether the pressed edges meet processing requirements based on sheet metal pressed edge data, automatically analyzing the sheet metal pressed edges in the 3D design software, and calculating the pressed edge length. This eliminates the need for manual model analysis, saves labor costs, solves the problem of sheet metal pressed edge inspection, avoids processing problems that may be encountered during part production, and can further encourage design engineers to design products that meet processing requirements, thereby improving the design quality of engineers.

The invention belongs to the technical field of product forward design simulation optimization, and particularly relates to a product lightweight simulation optimization method, system, equipment and medium, which comprises the following steps: acquiring a 3D topological optimization result and a 2D topological optimization result, performing size optimization and section optimization, performing fusion interpretation on the optimization results to establish a reconstructed product, and performing simulation optimization on the reconstructed product. And carrying out functional and safety simulation check on the product after the structure reconstruction is completed. According to the method, free shape optimization based on a product reconstruction scheme is realized, design creativity, performance requirements and constraints of a manufacturing process can be comprehensively fused, weight, performance and production manufacturability are effectively balanced at the initial stage of product design, transition of product design engineers from conceptual product design to manufacturable products can be remarkably accelerated, and the product design efficiency is improved. And finally, an extremely light-weight product is designed.