CN112507521A - Digital simulation platform of steam generator - Google Patents

Abstract

The invention discloses a digital simulation platform of a steam generator, which comprises an application server, a client, a calculation server and a database server; the client is used for initiating a simulation request to the application server based on a graphical user interface; the application server is used for acquiring input data required by simulation from the database server based on the simulation request and inputting the input data to the computing server; the computing server is used for carrying out simulation computation based on the input data and sending a simulation result of the simulation computation to the application server; and the application server is also used for sending the simulation result to the client for display. The digital simulation platform of the steam generator realizes the full-range management of design and research and development, and provides a flexible, practical and efficient digital simulation platform and a research environment for the design and analysis of the steam generator.

Description

Steam generator digital simulation platform

technical field

The invention relates to the field of computer technology, in particular to a digital simulation platform for a steam generator.

Background technique

The steam generator is one of the key equipments of the nuclear power plant, and its working state affects the dynamic characteristics of the entire nuclear power plant equipment. The research and development of the steam generator is very difficult, its equipment structure is complex, the test cost is expensive, and some local conditions cannot be tested through experiments. Therefore, it is particularly important to carry out digital simulation of the steam generator. A complete set of simulation calculation models for steam generator performance analysis, including thermal hydraulic calculation, mechanical calculation, transient analysis calculation and other calculations, the process of digital simulation faces cross-physics, multi-scale, complex geometry and extreme physics Chemical tests and other problems, and the results of digital simulation have the characteristics of huge amount of data, diverse types, and complex structures.

At present, the digital simulation work of the steam generator mainly relies on the designer to fill in the input parameters through the input card. The working process of the horizontal design task with the relationship between the upstream and the downstream is: the upstream calculation is completed, and then all the calculation results are handed over to the downstream, and the middle The data interface requires non-software engineering colleagues to conduct research, analysis and extraction according to the results; when a single vertical design task faces different calculation accuracy, different calculation models or empirical parameters, it may be necessary to enter the program for modification and debugging.

The current working method of steam generator digital simulation has the following problems:

1) The use of the input card method has higher professional requirements for designers, and the human-computer interaction is poor;

2) Data interface processing between upstream and downstream requires a lot of manpower and time costs, as well as communication costs introduced by differences between different majors;

3) By modifying the software source program to adapt to the calculation of the new model, this method has high requirements on the designer and is not flexible enough;

4) There is a lack of effective management of engineering data. In the process of digital simulation of steam generators, the realization of input data management, calculation result preservation, historical data query and calculation results sharing is very important for the quality assurance and knowledge inheritance of steam generation design. meaning.

SUMMARY OF THE INVENTION

The purpose of the present invention is to: in view of the above-mentioned problems and deficiencies, to provide a digital simulation platform for a steam generator, through which the full range management of design and research and development is realized, and a flexible, practical and efficient digital simulation platform is provided for the design and analysis of the steam generator. Simulation platform and research environment.

An embodiment of the present invention provides a digital simulation platform for a steam generator, including: an application server, a client, a computing server and a database server; wherein:

the client, configured to initiate a simulation request to the application server based on a graphical user interface;

the application server, configured to obtain input data required for simulation from the database server based on the simulation request, and input the input data to the computing server;

the computing server, configured to perform simulation calculation based on the input data, and send the simulation result of the simulation calculation to the application server;

The application server is further configured to send the simulation result to the client for display.

Preferably, the data communication between the client and the application server adopts the WCF program framework, combined with the layered design idea, to realize the business functions supported by the platform.

Preferably, the application server and the computing server use a third-party language JAVA to implement communication, and use the JNI hybrid programming technology to implement invocation of computing software deployed on the computing server.

Preferably, the client includes:

The presentation layer is used to provide a graphical user interface for users to initiate requests and display relevant simulation results;

a logic control layer, configured to perform logical processing on the data from the presentation layer and then send it to the application server, or perform logical processing on the simulation result from the application server and then send it to the presentation layer for presentation;

The first software interface is used to realize the access of external computing software or commercial software. .

Preferably, the application server includes a WCF service layer, a business implementation layer, a data access layer and a system IO, wherein:

The WCF service layer is used to realize interaction with the logic control layer, and send the simulation request from the logic control layer to the business implementation layer;

The service implementation layer is configured to obtain input data required for simulation from the database server through the database access layer based on the simulation request, and send the input data to the computing server;

The system 10 is configured to read a resource file, and send the resource file to the service implementation layer, and the service implementation layer sends the resource file to the computing server.

Preferably, the computing server includes a JAVA interface and a second software interface; wherein,

The JAVA interface is used to realize the docking between the business implementation layer of the application server and the computing server, so as to obtain input data from the application server;

The second software interface is used to implement the calling of the computing software through the JNI hybrid programming technology, so as to perform simulation calculation according to the computing software and the input data, and obtain a simulation result.

Preferably, the main functions of the calculation software on the calculation server include thermal hydraulic analysis, mechanical calculation, transient analysis, drawing, pre-processing, post-processing and virtual simulation.

Preferably, the computing software on the computing server is also provided with additional functions, the additional functions include project management, upstream and downstream associated computing, custom templates, generation of calculation reports, query results, and sharing of results; at the same time, the platform also adds administrators Roles to implement user management, group management, server management and log management.

Preferably, the development of the digital simulation platform of the steam generator is based on the Microsoft .NET Framework, and is developed using the C# language.

The platform provided by the embodiment of the present invention adopts, on the main body, an architecture mode that integrates the respective advantages of the B/S architecture and the C/S architecture. Compared with the prior art, the embodiments of the present invention have the following advantages:

1. The embodiment of the present invention integrates the calculation software of the steam generator independently developed by different programming languages (C/C++, Fortran, etc.) and the commercial software used in the performance analysis process of the steam generator into one platform, so as to truly realize the Professional designers carry out collaborative design, analysis and calculation of steam generators.

2. The embodiment of the present invention not only supports computing software that runs independently, but also supports computing software with upstream and downstream relationships. For computing software that has upstream and downstream relationships, a unified data exchange format is used to achieve high efficiency between computing software. , Automatic data transfer.

3. The embodiment of the present invention realizes efficient management of engineering data, mainly including input data management, calculation result storage, automatic generation of calculation report, historical data query, calculation result sharing, and the like.

4. The platform interface of the embodiment of the present invention has strong interactivity and is easy to learn and use. The parameter interface of the calculation software of each steam generator is customized to meet the requirements of friendliness, humanization and easy operation.

To sum up, the embodiment of the present invention establishes a steam generator digital simulation platform by adopting advanced platform architecture ideas and technologies, and realizes the full-scale management of design and research and development through this platform, and provides flexible, practical, Efficient digital simulation platform and research environment.

Description of drawings

FIG. 1 is a system architecture diagram of a digital simulation platform for a steam generator provided by an embodiment of the present invention.

FIG. 2 is a technical architecture diagram of a digital simulation platform for a steam generator provided by an embodiment of the present invention.

FIG. 3 is a functional schematic diagram of a digital simulation platform for a steam generator provided by an embodiment of the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Referring to FIG. 1 , an embodiment of the present invention provides a digital simulation platform for a steam generator. The development of the digital simulation platform for a steam generator is based on the Microsoft .NET Framework and is developed using the C# language. It specifically includes: at least one client 10, application server 20, database server 30 and computing server 40; wherein:

The client 10 is configured to initiate a simulation request to the application server 20 based on a graphical user interface.

In this embodiment, the client 10 can use the WinForm tool to implement a graphical user interface, and the data communication between the client 10 and the application server 20 uses the WCF program framework, combined with the layered design idea, Implement the business functions supported by the platform.

Specifically, as shown in FIG. 2, the client 10 includes:

The presentation layer 11 is used to provide a graphical user interface for the user to initiate a request, and to display the relevant simulation results;

The logic control layer 12 is configured to perform logical processing on the data from the presentation layer 11 and then send it to the application server 20 or perform logical processing on the simulation result from the application server 20 and then send it to the presentation layer 11 for presentation.

Wherein, the client 10 may further include a first software interface 13, the software interface 13 is connected with the presentation layer 11 to realize the access of external computing software or commercial software, and the software interface is performed through the presentation layer 11 's display.

The application server 20 is configured to obtain input data required for simulation from the database server 30 based on the simulation request, and input the input data to the computing server.

Specifically, in this embodiment, the application server 20 includes a WCF service layer 21, a business implementation layer 22, a data access layer 23 and a system IO 24, wherein:

The WCF service layer 21 is used to realize the interaction with the logic control layer 12 and send the simulation request from the logic control layer 12 to the service implementation layer 22 .

The service implementation layer 22 is configured to obtain input data required for simulation from the database server 30 through the database access layer 23 based on the simulation request, and send the input data to the computing server 40 .

Wherein, the user's engineering attribute information and the input data of the digital simulation of the steam generator are all stored in the database server. When the user generates the simulation request, the request specifies the identifier of the input data that needs to be used for simulation. The database access layer 23 obtains the required input data from the database server 30 through the identifier, and returns it to the service implementation layer 22 .

It should be noted that the database in the database server 30 can also implement data writing, such as writing new input data or writing simulation data. The database of the database server 30 may include two databases, a write database and a read database, or one database may be used to simultaneously read and write data. These solutions are all within the protection scope of the present invention.

The system IO 24 is configured to read a resource file, and send the resource file to the service implementation layer 22 , and the service implementation layer 22 sends the resource file to the computing server 40 .

In this embodiment, in addition to reading input data from the database server 30, the user can also read the resource file through the system IO 24, and the read resource file can also be sent to the service implementation layer 22 to The calculation server 40 performs calculations.

The computing server 40 is configured to perform simulation calculation based on the input data, and send the simulation result of the simulation calculation to the application server 20 .

In this embodiment, a difficulty in developing the digital simulation platform of the steam generator is that the calculation software of the steam generator is deployed and run on the Linux-based computing server 40, and is developed in multiple languages such as C/C++ and Fortran. For this problem, in this embodiment, the third-party language JAVA is used to implement the communication between the application server 20 and the computing server 40 , and the computing software on the computing server 40 is invoked in combination with the JNI hybrid programming technology.

Specifically, in this embodiment, the computing server 40 includes a JAVA interface 41 and a second software interface 42; wherein,

The JAVA interface 41 is used to realize the connection between the service implementation layer 22 of the application server 20 and the computing server 40 to obtain input data from the application server 20 .

The second software interface 42 is used to implement the calling of the computing software through the JNI hybrid programming technology, so as to perform simulation calculation according to the computing software and the input data, and obtain a simulation result.

The main functions of the calculation software on the calculation server 40 include thermal hydraulic analysis, mechanical calculation, transient analysis, drawing, pre-processing, post-processing and virtual simulation. In addition to the above main functions, additional functions have been added in order to cooperate with engineering research. The additional functions include project management, upstream and downstream related calculations, custom templates, generation of calculation reports, query results, and sharing of results; at the same time, the platform also adds administrator roles. , to achieve user management, group management, server management and log management, as shown in Figure 3.

In this embodiment, after the calculation server completes the simulation calculation, it returns the simulation result of the simulation calculation to the application server 20. On the one hand, the application server 20 may send the simulation result to the database server 30 for storage. On the other hand, the simulation result is also sent to the client 10 , so that the client 10 displays the simulation result according to the graphical user interface of the presentation layer 11 .

The platform provided by the embodiment of the present invention adopts, on the main body, an architecture mode that integrates the respective advantages of the B/S architecture and the C/S architecture. Compared with the prior art, the embodiments of the present invention have the following advantages:

1. The embodiment of the present invention integrates the calculation software of the steam generator independently developed by different programming languages (C/C++, Fortran, etc.) and the commercial software used in the performance analysis process of the steam generator into one platform, so as to truly realize the Professional designers carry out collaborative design, analysis and calculation of steam generators.

2. The embodiment of the present invention not only supports computing software that runs independently, but also supports computing software with upstream and downstream relationships. For computing software that has upstream and downstream relationships, a unified data exchange format is used to achieve high efficiency between computing software. , Automatic data transfer.

3. The embodiment of the present invention realizes efficient management of engineering data, mainly including input data management, calculation result storage, automatic generation of calculation report, historical data query, calculation result sharing, and the like.

4. The platform interface of the embodiment of the present invention has strong interactivity and is easy to learn and use. The parameter interface of the calculation software of each steam generator is customized to meet the requirements of friendliness, humanization and easy operation.

To sum up, the embodiment of the present invention establishes a steam generator digital simulation platform by adopting advanced platform architecture ideas and technologies, and realizes the full-scale management of design and research and development through this platform, and provides flexible, practical, Efficient digital simulation platform and research environment.

Exemplarily, each process of the embodiments of the present invention may be implemented by a processor executing executable code, and the executable code may be divided into one or more modules, and the one or more modules are stored in the into the memory and executed by the processor to accomplish the present invention. The one or more modules may be a series of computer program instruction segments capable of accomplishing specific functions, and the instruction segments are used to describe the execution process of the computer program in the implementation platform.

The processor may be a central processing unit (Central Processing Unit, CPU), other general-purpose processors, digital signal processors (Digital Signal Processor, DSP), application specific integrated circuits (Application Specific Integrated Circuit, ASIC), off-the-shelf processors Programmable Gate Array (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc. The general-purpose processor can be a microprocessor or the processor can also be any conventional processor, etc. The processor is the control center of each server of the platform, and uses various interfaces and lines to connect the entire implementation platform. various parts.

The memory can be used to store the computer programs and/or modules, and the processor implements various functions of the platform by running or executing the computer programs and/or modules stored in the memory and calling the data stored in the memory. a function. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system; the storage data area may store data (such as audio data, text message data, etc.) created according to use, and the like. In addition, the memory may include high-speed random access memory, and may also include non-volatile memory such as hard disk, internal memory, plug-in hard disk, Smart Media Card (SMC), Secure Digital (SD) card , a flash card (Flash Card), at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.

Wherein, if the implemented modules are implemented in the form of software functional units and sold or used as independent products, they may be stored in a computer-readable storage medium. Based on this understanding, the present invention can implement all or part of the processes in the above embodiments, and can also be completed by instructing relevant hardware through a computer program, and the computer program can be stored in a computer-readable storage medium. When executed by a processor, the steps of the various embodiments described above may be implemented. Wherein, the computer program includes computer program code, and the computer program code may be in the form of source code, object code, executable file or some intermediate form, and the like. The computer-readable medium may include: any entity or device capable of carrying the computer program code, a recording medium, a U disk, a removable hard disk, a magnetic disk, an optical disk, a computer memory, a read-only memory (ROM, Read-Only Memory) , Random Access Memory (RAM, RandomAccess Memory), electric carrier signal, telecommunication signal and software distribution medium, etc. It should be noted that the content contained in the computer-readable media may be appropriately increased or decreased according to the requirements of legislation and patent practice in the jurisdiction, for example, in some jurisdictions, according to legislation and patent practice, the computer-readable media Electric carrier signals and telecommunication signals are not included.

It should be noted that the above-described embodiments are only illustrative, wherein the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units , that is, it can be located in one place, or it can be distributed to multiple network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution in this embodiment. In addition, in the drawings of the apparatus embodiments provided by the present invention, the connection relationship between the modules indicates that there is a communication connection between them, which may be specifically implemented as one or more communication buses or signal lines. Those of ordinary skill in the art can understand and implement it without creative effort.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. Substitutions should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims (9)

1. a steam generator digital simulation platform, is characterized in that, comprises: application server, client, computing server and database server; Wherein: the client, configured to initiate a simulation request to the application server based on a graphical user interface; the application server, configured to obtain input data required for simulation from the database server based on the simulation request, and input the input data to the computing server; the computing server, configured to perform simulation calculation based on the input data, and send the simulation result of the simulation calculation to the application server; The application server is further configured to send the simulation result to the client for display. 2. steam generator digital simulation platform according to claim 1, is characterized in that, the data communication between described client and described application server adopts WCF program framework, and then combines the design idea of layering, realizes platform support business function. 3. The steam generator digital simulation platform according to claim 1, is characterized in that, The application server and the computing server use a third-party language JAVA to implement communication, and combine with the JNI hybrid programming technology to implement the calling of the computing software deployed on the computing server. 4. The steam generator digital simulation platform according to claim 1, wherein the client comprises: The presentation layer is used to provide a graphical user interface for users to initiate requests and display relevant simulation results; a logic control layer, configured to perform logical processing on the data from the presentation layer and then send it to the application server, or perform logical processing on the simulation result from the application server and then send it to the presentation layer for presentation; The first software interface is used to realize the access of external computing software or commercial software. 5. steam generator digital simulation platform according to claim 4, is characterized in that, described application server comprises WCF service layer, business realization layer, data access layer and system IO, wherein: The WCF service layer is used to realize interaction with the logic control layer, and send the simulation request from the logic control layer to the business implementation layer; The service implementation layer is configured to obtain input data required for simulation from the database server through the database access layer based on the simulation request, and send the input data to the computing server; The system 10 is configured to read a resource file, and send the resource file to the service implementation layer, and the service implementation layer sends the resource file to the computing server. 6. The steam generator digital simulation platform according to claim 5, wherein the computing server comprises a JAVA interface and a second software interface; wherein, The JAVA interface is used to realize the docking between the business implementation layer of the application server and the computing server, so as to obtain input data from the application server; The second software interface is used to implement the calling of the computing software through the JNI hybrid programming technology, so as to perform simulation calculation according to the computing software and the input data, and obtain a simulation result. 7. The steam generator digital simulation platform according to claim 6, wherein the main functions of the calculation software on the computing server include thermal hydraulic analysis, mechanical calculation, transient analysis, drawing, preprocessing, Post-processing and virtual simulation. 8 . The steam generator digital simulation platform according to claim 7 , wherein the computing software on the computing server is also provided with additional functions, and the additional functions include engineering management, upstream and downstream associated calculations, and custom templates. 9 . , Generate calculation reports, query results, and share results; at the same time, the platform also adds administrator roles to realize user management, group management, server management and log management. 9. The steam generator digital simulation platform according to any one of claims 1 to 8, wherein the development of the steam generator digital simulation platform is based on Microsoft .NET Framework, and is developed using C# language.

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