Reactor multi-physical field coupling calculation system and method

A technology of multi-physics and computing systems, applied in the field of nuclear reactors, can solve problems such as the lack of, the inability to achieve the calculation accuracy of special programs, and the inability to provide multiple sets of discrete methods at the same time.

Active Publication Date: 2021-02-12
NUCLEAR POWER INSTITUTE OF CHINA
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Problems solved by technology

However, in the actual calculation and analysis of reactors, various specialties have developed a large number of special calculation programs, and a single conservation equation cannot achieve the calculation accuracy of special programs, and the discretization methods of each professional conservation equation may be different, and the current multi-physics couplin

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  • Reactor multi-physical field coupling calculation system and method
  • Reactor multi-physical field coupling calculation system and method
  • Reactor multi-physical field coupling calculation system and method

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Embodiment Construction

[0067] Before any embodiment of the invention is described in detail, it is to be understood that the invention is not limited in application to the details of construction shown in the following description or in the accompanying drawings. The invention is capable of other embodiments and of being practiced or of being carried out in various ways. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative improvements belong to the protection scope of the present invention.

[0068] A reactor multiphysics coupling computing system, such as Figure 1-4 As shown, it includes a variety of calculation programs, and it is characterized in that the system is used for calculating reactor engineering, including user operation layer, interface layer, application program layer and core solution layer;

[0069] The system encapsulates and configures various calculation programs through the interface ...

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Abstract

The invention discloses a reactor multi-physical-field coupling calculation system and method, relates to the field of nuclear reactors, and solves the problem that no mature multi-physical-field tight coupling calculation system exists. According to the invention, the system encapsulates and configures a plurality of calculation programs through an interface layer, and configures corresponding calculation programs through an application program layer according to reactor engineering calculation data types; wherein the interface layer is used for acquiring restart data, the restart data is reactor engineering calculation data imported by the interface layer, and the interface layer is used for constructing a physical field residual expression necessary for JFNK calculation based on an original physical field of the calculation data used for calculation of reactor engineering in the application program layer; transmitting the residual equation of the physical field to a core solving layer; and the interface layer is used for transmitting a physical field solving result between the core solving layer and the application program layer. The method can be used for program development, engineering design and accident analysis and evaluation of reactor engineering based on a multi-physical coupling concept.

Description

technical field [0001] The invention relates to the field of nuclear reactors, in particular to a reactor multi-physical field coupling calculation system and method. Background technique [0002] A nuclear reactor is a device that can maintain a controllable self-sustaining chain fission reaction to realize the utilization of nuclear energy. It consists of a series of complex and interacting phenomena and physical fields. In the design and analysis of nuclear reactor engineering, due to the strong feedback effect of the physical fields involved in physics, thermal engineering, fuel and other disciplines, the traditional design method is to carry out the design sequentially in a certain upstream and downstream sequence within an iterative step. And analysis, feedback the design results to the next iteration step, and achieve the design goal through multiple iterations. [0003] In recent years, higher requirements have been put forward for the economics and safety of nuclea...

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Application Information

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IPC IPC(8): G06F17/10G06F17/12G06F17/16
CPCG06F17/12G06F17/16G06F17/10
Inventor 李治刚安萍潘俊杰芦韡杨洪润卢川于颖锐曾辉刘东张吉斌强胜龙于洋明平洲
Owner NUCLEAR POWER INSTITUTE OF CHINA
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