CN110765685A - Simulation method and device for multi-physical-field coupling of reactor and storage medium - Google Patents
Simulation method and device for multi-physical-field coupling of reactor and storage medium Download PDFInfo
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Abstract
The invention discloses a simulation method, a device and a storage medium for multi-physical field coupling of a reactor, wherein the method comprises the following steps: acquiring geometric parameters, material data and working condition information of the reactor; establishing a geometric model of the reactor according to the geometric parameters, and performing grid division on the geometric model to obtain a plurality of geometric components; setting material properties corresponding to each geometric component according to the material data; setting boundary conditions of the reactor according to the working condition information; wherein the boundary conditions include electromagnetic field boundary conditions, thermal boundary conditions, and flow field boundary conditions; according to preset solving settings, performing electromagnetic field analysis, thermal analysis and flow field analysis one by one to obtain analysis result data; and carrying out post-processing on the analysis result data to judge whether the design of the reactor is reasonable. The invention can realize the electric-magnetic-thermal-fluid coupling field analysis of the reactor, and optimize the design of the reactor so as to ensure that the reactor operates more stably.
Description
Technical Field
The invention relates to the technical field of coupling field simulation analysis, in particular to a simulation method and device for multi-physical field coupling of a reactor and a storage medium.
Background
The reactor is one of important devices in power engineering, has the functions of suppressing transient overcurrent, reducing harmonic current and the like, and is widely applied to power engineering. Along with the improvement of the voltage grade of the power system, the performance requirements on electrical equipment in the system are also improved, the reactor tends to be large in size, large in number of packaging layers, complex in structural design, high in manufacturing cost, and more rigorous in thermal stability and environmental protection requirements. Because of the influence of factors such as severe operating environment, overvoltage, overcurrent, high harmonic wave, improper design and the like, the temperature rise of the reactor is too high during operation, so that the encapsulation insulation is damaged, and a burnout event is caused when the reactor is serious. Therefore, it is necessary to research the distribution of the reactor in the coupling of the electric field, the magnetic field, the thermal field, the flow field and other physical fields to ensure the stable operation of the reactor.
Disclosure of Invention
The embodiment of the invention aims to provide a simulation method and device for reactor multi-physical field coupling and a storage medium, which can realize electric-magnetic-thermal-fluid coupling field analysis of a reactor and optimize the design of the reactor so as to enable the reactor to run more stably.
In order to achieve the above object, an embodiment of the present invention provides a method for simulating multi-physical-field coupling of a reactor, including the following steps:
acquiring geometric parameters, material data and working condition information of the reactor;
establishing a geometric model of the reactor according to the geometric parameters, and performing grid division on the geometric model to obtain a plurality of geometric components;
setting material properties corresponding to each geometric component according to the material data;
setting boundary conditions of the reactor according to the working condition information; wherein the boundary conditions include electromagnetic field boundary conditions, thermal boundary conditions, and flow field boundary conditions;
according to preset solving settings, performing electromagnetic field analysis, thermal analysis and flow field analysis one by one to obtain analysis result data;
and carrying out post-processing on the analysis result data to judge whether the design of the reactor is reasonable.
Preferably, the method further comprises:
and storing the analysis result data and the post-processing data related to the post-processing process to form an experience base for later-stage check and reference.
Preferably, the establishing a geometric model of the reactor according to the geometric parameters, and performing mesh division on the geometric model to obtain a plurality of geometric components specifically includes:
establishing a geometric model of the reactor according to the geometric parameters, and carrying out grid division on the geometric model;
and defining global grid parameters by using preset parameters to obtain a plurality of geometric components.
Preferably, the performing electromagnetic field analysis, thermal analysis and flow field analysis one by one according to a preset solving setting to obtain analysis result data specifically includes:
performing electromagnetic field analysis according to preset solving setting to obtain an electromagnetic field analysis result;
performing thermal analysis according to the electromagnetic field analysis result to obtain a thermal analysis result;
performing flow field analysis according to the thermal analysis result to obtain a flow field analysis result;
and obtaining the analysis result data according to the electromagnetic field analysis result, the thermal analysis result and the flow field analysis result.
Preferably, the post-processing the analysis result data to determine whether the design of the reactor is reasonable specifically includes:
acquiring an industrial standard of the reactor;
and comparing the analysis result data with the industrial standard, and judging whether the analysis result data meets the industrial standard or not so as to judge whether the design of the reactor is reasonable or not.
Another embodiment of the present invention provides a simulation apparatus for reactor multi-physical field coupling, including:
the parameter acquisition module is used for acquiring geometric parameters, material data and working condition information of the reactor;
the model establishing module is used for establishing a geometric model of the reactor according to the geometric parameters and performing grid division on the geometric model to obtain a plurality of geometric components;
the material setting module is used for setting the material property corresponding to each geometric component according to the material data;
the boundary condition setting module is used for setting the boundary condition of the reactor according to the working condition information; wherein the boundary conditions include electromagnetic field boundary conditions, thermal boundary conditions, and flow field boundary conditions;
the analysis module is used for performing electromagnetic field analysis, thermal analysis and flow field analysis one by one according to preset solving setting to obtain analysis result data;
and the post-processing module is used for performing post-processing on the analysis result data so as to judge whether the design of the reactor is reasonable.
Correspondingly, another embodiment of the invention provides a device using a simulation method of reactor multi-physical field coupling, which includes a processor, a memory and a computer program stored in the memory and configured to be executed by the processor, wherein the processor implements the simulation method of reactor multi-physical field coupling as described in any one of the above items when executing the computer program.
A further embodiment of the present invention provides a computer-readable storage medium, which is characterized by comprising a stored computer program, wherein when the computer program runs, a device where the computer-readable storage medium is located is controlled to execute the simulation method for reactor multi-physical-field coupling according to any one of the above.
Compared with the prior art, the simulation method, the simulation device and the storage medium for the reactor multi-physical field coupling provided by the embodiment of the invention perform electromagnetic field analysis, thermal analysis and flow field analysis of the reactor by modeling and setting related parameters so as to meet the electric-magnetic-thermal-flow field multi-physical field coupling analysis of the reactor, thereby judging whether the design of the reactor is reasonable, helping to improve the product design of the reactor and improving the product quality and reliability.
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Fig. 1 is a schematic flowchart of a simulation method for multi-physical-field coupling of a reactor according to an embodiment of the present invention;
FIG. 2 is a flowchart illustrating a software implementation method for multi-physics coupling simulation of a reactor according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a simulation apparatus for multi-physical-field coupling of a reactor according to an embodiment of the present invention;
fig. 4 is a schematic diagram of an apparatus using a simulation method of reactor multi-physical field coupling according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a schematic flow chart of a simulation method for multi-physical-field coupling of a reactor according to an embodiment of the present invention is shown, where the method includes steps S1 to S6:
s1, acquiring geometric parameters, material data and working condition information of the reactor;
s2, establishing a geometric model of the reactor according to the geometric parameters, and performing grid division on the geometric model to obtain a plurality of geometric components;
s3, setting material properties corresponding to each geometric component according to the material data;
s4, setting boundary conditions of the reactor according to the working condition information; wherein the boundary conditions include electromagnetic field boundary conditions, thermal boundary conditions, and flow field boundary conditions;
s5, performing electromagnetic field analysis, thermal analysis and flow field analysis one by one according to preset solving settings to obtain analysis result data;
and S6, carrying out post-processing on the analysis result data to judge whether the design of the reactor is reasonable.
It should be noted that the reactor body is formed by winding 14 coaxial envelopes in parallel, the upper end and the lower end of the reactor body are respectively provided with a star-shaped support as an incoming and outgoing line confluence, and the envelopes provide mechanical clamping force. A plurality of thin polyester supporting strips are arranged between the reactor envelopes in the radial direction, and air passages between the supporting strips form heat dissipation channels between the envelopes. The winding in the encapsulation adopts a plurality of layers of parallel coils, and each layer of coil is formed by winding a plurality of strands of original aluminum wires in parallel. Before the calculation and analysis of the reactor are carried out, the geometric structure and the material property of the reactor need to be expressed in a parameter form.
Specifically, geometric parameters, material data and working condition information of the reactor are obtained. For example, the geometric parameters comprise the outer diameter of the rain hat, the inner diameter of the rain hat, the height of a stay, the encapsulation thickness, the height of the star-shaped support and the like, the material data comprise the resistivity, the dielectric constant and the heat exchange system of the material, and the working condition information refers to the combination mode of different loads.
In the finite element analysis software, a geometric model of the reactor is established according to geometric parameters, and the geometric model is subjected to meshing to obtain a plurality of geometric components, so that a mesh model is obtained for parametric expression.
After the geometric model is available, the material properties of each part in the geometric model are set, that is, the material properties corresponding to each geometric component are set according to the material data, so that the model is closer to a reactor real object, and the multi-physical-field coupling analysis is better performed.
Setting boundary conditions of the reactor according to the working condition information; the boundary conditions include electromagnetic field boundary conditions, thermal boundary conditions and flow field boundary conditions, the boundary conditions of the reactor are set to obtain solution settings, and the solution settings are set by combining the characteristics of finite element analysis software. Generally, the electromagnetic field boundary conditions are voltage, impedance boundary conditions, electrical wall conditions, magnetic wall conditions, cutoff boundaries, equivalent source surfaces, etc., the thermal boundary conditions are temperature, heat sources, insulation layers, etc., the flow field boundary conditions are temperature, flow rate and pressure, outlet (outlet), inlet (inlet), wall (wall), etc., and the flow field boundary conditions are flow rate of fluid and temperature distribution at the boundary.
And according to the preset solving setting, performing electromagnetic field analysis, thermal analysis and flow field analysis one by one to obtain analysis result data. The solution settings mainly refer to the selection of the solution method. The steps, formulas and set targets involved therein may be selected from the common steps, formulas and targets in CAE analysis. And performing electromagnetic field analysis, thermal analysis and flow field analysis one by one, namely performing the electromagnetic field analysis, the thermal analysis and the flow field analysis in sequence. The analysis result data of the electromagnetic field analysis is joule heat and electric field distribution, the analysis result data of the thermal analysis is temperature field distribution, and the analysis result data of the flow field analysis generally comprises flow field pressure distribution, temperature field distribution and flow velocity distribution.
And carrying out post-processing on the analysis result data to judge whether the design of the reactor is reasonable or not, or extracting an optimization suggestion for the existing design of the reactor, improving the product design and improving the product quality and reliability.
According to the simulation method for reactor multi-physical field coupling provided by the embodiment of the invention, the electromagnetic field analysis, the thermal analysis and the flow field analysis of the reactor are carried out by modeling and setting related parameters so as to meet the electric-magnetic-thermal-flow field multi-physical field coupling analysis of the reactor, so that whether the design of the reactor is reasonable or not is judged, the product design of the reactor is improved, and the product quality and the reliability are improved.
As an improvement of the above, the method further comprises:
and storing the analysis result data and the post-processing data related to the post-processing process to form an experience base for later-stage check and reference.
Specifically, the analysis result data and the post-processing data involved in the post-processing process are stored to form an experience base for later-stage check and reference. The analysis result data comprises geometric parameters, material data and working condition information of the reactor, which are acquired in the early stage of modeling, so that the coupling analysis results of the reactors with different structures and materials under different working conditions can be better compared. Preferably, a case data module is established in the finite element analysis software, and the data is stored in the case data module and is called and used when reference is needed.
As an improvement of the above scheme, the establishing a geometric model of the reactor according to the geometric parameters, and performing mesh division on the geometric model to obtain a plurality of geometric components specifically includes:
establishing a geometric model of the reactor according to the geometric parameters, and carrying out grid division on the geometric model;
and defining global grid parameters by using preset parameters to obtain a plurality of geometric components.
Specifically, a geometric model of the reactor is established according to the geometric parameters, the geometric model is subjected to grid division, and global grid parameters are defined by using preset parameters to obtain a plurality of geometric components. Meshing of the geometric model is realized in finite element analysis software, and the meshing is carried out for parametric expression. The parameterized expression is specifically as follows: in the finite element analysis software, parameters are used for defining global grid parameters, parameters are used for defining the partition method of different geometric components and grid parameters related to the partition method, and finally, a finite element model, namely a grid model is generated. In the present invention, to avoid the occurrence of multiple models, obtaining a mesh model is equivalent to obtaining multiple geometric components.
As an improvement of the above scheme, the performing electromagnetic field analysis, thermal analysis and flow field analysis one by one according to a preset solving setting to obtain analysis result data specifically includes:
performing electromagnetic field analysis according to preset solving setting to obtain an electromagnetic field analysis result;
performing thermal analysis according to the electromagnetic field analysis result to obtain a thermal analysis result;
performing flow field analysis according to the thermal analysis result to obtain a flow field analysis result;
and obtaining the analysis result data according to the electromagnetic field analysis result, the thermal analysis result and the flow field analysis result.
Specifically, the preset solving setting includes an electromagnetic field analysis solving setting, a thermal analysis solving setting and a flow field analysis solving setting. Meanwhile, in order to complete the unidirectional coupling transmission of the coupling field data from the electromagnetic field to the thermal field to the flow field, the electromagnetic field analysis result is used as the input data of thermal analysis, and the thermal analysis result is used as the input data of the flow field analysis, so that the integration is completed in the flow field analysis.
The detailed process of the reactor electric-magnetic-thermal-flow field coupling calculation is as follows:
firstly, performing electromagnetic field analysis, specifically, setting materials corresponding to different geometric components according to an established geometric model of the reactor, simultaneously setting electromagnetic field boundary conditions of the reactor, acquiring working condition information of the electromagnetic field analysis, and setting solving setting of the electromagnetic field analysis according to the characteristics of the electromagnetic field analysis execution module. After the electromagnetic field analysis of the reactor is completed by the electromagnetic field analysis execution module, key result data of the electromagnetic field analysis and part of result data required by thermal analysis are extracted. Wherein, the result data required by the thermal analysis is joule heat.
And then, performing thermal analysis, specifically, according to the electromagnetic field analysis result, using joule heat, which is the result data required by the thermal analysis, as input data, calling a common geometric model, setting the thermal material attribute of the geometric component, setting the thermal boundary condition of the reactor, acquiring the working condition information of the thermal analysis, and setting the solving setting of the thermal analysis according to the characteristics of the thermal analysis execution module. And after the thermal analysis execution module completes the thermal analysis of the reactor, extracting key result data of the thermal analysis and result data required by partial fluid analysis. Wherein the result data required for fluid analysis is a temperature field distribution.
And then, carrying out fluid analysis, specifically, according to a thermal analysis result, taking temperature field distribution, which is result data required by the fluid analysis, as input data, removing a solid domain from a geometric model used in the analysis to convert the geometric model into a fluid model, simultaneously setting a flow field boundary condition of the reactor, and setting solving setting of the flow field analysis according to the characteristics of the fluid analysis execution module. And after the fluid analysis execution module completes the fluid analysis of the reactor, extracting key result data of the flow field analysis. The key result data of the flow field analysis are temperature distribution and flow field distribution.
And finally, integrating the electromagnetic field analysis result, the thermal analysis result and the flow field analysis result to obtain analysis result data. And then carrying out post-processing analysis on the analysis result data, wherein the post-processing data can be expressed in a parameterization mode.
As an improvement of the above scheme, the post-processing the analysis result data to determine whether the design of the reactor is reasonable specifically includes:
acquiring an industrial standard of the reactor;
and comparing the analysis result data with the industrial standard, and judging whether the analysis result data meets the industrial standard or not so as to judge whether the design of the reactor is reasonable or not.
Specifically, an industrial standard of the reactor is obtained, analysis result data is compared with the industrial standard, whether the analysis result data meets the industrial standard or not is judged, whether the design of the reactor is reasonable or not is judged, a post-processing process corresponds to the step, and post-processed data can be expressed in a parameterization mode. According to the comparison of the analysis result data and the industrial standard, improvement suggestions can be provided for the reactor product so as to optimize the design of the reactor.
In order to deepen understanding of the invention, the embodiment of the invention provides a software implementation method for reactor multi-physical-field coupling simulation, and referring to fig. 2, the embodiment of the invention provides a flow diagram of the software implementation method for reactor multi-physical-field coupling simulation. The software implementation method comprises the following steps:
a. and establishing a geometric model module, a material data module, a working condition data module, a case data module and a user data module of software for coupling analysis of the reactor. The geometric model module is mainly used for storing different types of geometric models of the reactors and setting the geometric dimensions of different geometric components; the material data module stores common material attribute data required by different physical fields of the reactor and is used for setting data such as material names, material types, material attributes and the like; the working condition data module stores working condition information concerned by different physical fields of the reactor and is used for setting data such as working condition types, working condition loads and the like; the case data module is used for storing a series of past cases analyzed by the reactor; the user data module is used for storing the user information and the authority information of the current analysis software.
b. And the user identifies the login software through the identification of the user data module. This step can prevent data from being stolen and embezzled, and protect the security of data.
c. And (3) quoting the common geometric model data of the geometric model module, and modifying parameters in the geometric model so as to meet the analysis requirement of the reactor under current research.
d. And material data of the material data module is quoted, and material properties are set for the geometric components and the outflow field of the reactor.
e. And the reference working condition data module sets boundary conditions for electromagnetic field analysis, thermal analysis and flow field analysis.
f. And solving and setting are carried out for electromagnetic field analysis, thermal analysis and flow field analysis, and the background calls the electromagnetic field analysis execution module, the thermal analysis execution module and the flow field analysis execution module in the software one by one in a batch processing mode to finish the analysis process of the coupling field, so that the integrated calling of a plurality of physical field analysis execution modules is realized.
g. And setting various types of data extraction processes of the post-processing process, and post-processing result data in the analysis process according to an industrial standard, so that the reasonability of the design of the current reactor is judged, and a better design suggestion is provided for the design, so that the product design is improved, and the product quality and the reliability are improved.
h. And storing the data related to the analysis process into a case data module for later verification and reference use by a user to form a product experience library of the user.
The above step flow is realized by software mode of electric-magnetic-thermal-flow field coupling calculation of the reactor, which greatly improves the simulation analysis and design efficiency.
Referring to fig. 3, a schematic structural diagram of a simulation apparatus for multi-physical-field coupling of a reactor according to an embodiment of the present invention is shown, where the apparatus includes:
the parameter acquisition module 11 is used for acquiring geometric parameters, material data and working condition information of the reactor;
the model establishing module 12 is configured to establish a geometric model of the reactor according to the geometric parameters, and perform mesh division on the geometric model to obtain a plurality of geometric components;
a material setting module 13, configured to set a material property corresponding to each of the geometric components according to the material data;
a boundary condition setting module 14, configured to set a boundary condition of the reactor according to the operating condition information; wherein the boundary conditions include electromagnetic field boundary conditions, thermal boundary conditions, and flow field boundary conditions;
the analysis module 15 is used for performing electromagnetic field analysis, thermal analysis and flow field analysis one by one according to preset solving settings to obtain analysis result data;
and the post-processing module 16 is configured to perform post-processing on the analysis result data to determine whether the design of the reactor is reasonable.
The simulation device for multi-physical-field coupling of the reactor provided by the embodiment of the invention can realize all the processes of the simulation method for multi-physical-field coupling of the reactor described in any one of the embodiments, and the functions and the realized technical effects of each module and unit in the device are respectively the same as those of the simulation method for multi-physical-field coupling of the reactor described in the embodiment, and are not repeated herein.
Referring to fig. 4, the device of the simulation method using reactor multi-physical field coupling according to the embodiment of the present invention includes a processor 10, a memory 20, and a computer program stored in the memory 20 and configured to be executed by the processor 10, and when the processor 10 executes the computer program, the simulation method using reactor multi-physical field coupling according to any of the above embodiments is implemented.
Illustratively, the computer program may be divided into one or more modules/units, which are stored in the memory 20 and executed by the processor 10 to implement the present invention. One or more modules/units may be a series of computer program instruction segments capable of performing specific functions, which are used for describing the execution process of a computer program in a reactor multi-physical field coupling simulation method. For example, the computer program may be divided into a parameter acquisition module, a model building module, a material setting module, a boundary condition setting module, an analysis module, and a post-processing module, each of which functions specifically as follows:
the parameter acquisition module 11 is used for acquiring geometric parameters, material data and working condition information of the reactor;
the model establishing module 12 is configured to establish a geometric model of the reactor according to the geometric parameters, and perform mesh division on the geometric model to obtain a plurality of geometric components;
a material setting module 13, configured to set a material property corresponding to each of the geometric components according to the material data;
a boundary condition setting module 14, configured to set a boundary condition of the reactor according to the operating condition information; wherein the boundary conditions include electromagnetic field boundary conditions, thermal boundary conditions, and flow field boundary conditions;
the analysis module 15 is used for performing electromagnetic field analysis, thermal analysis and flow field analysis one by one according to preset solving settings to obtain analysis result data;
and the post-processing module 16 is configured to perform post-processing on the analysis result data to determine whether the design of the reactor is reasonable.
The device using the reactor multi-physical-field coupling simulation method can be a desktop computer, a notebook computer, a palm computer, a cloud server and other computing equipment. The device using the simulation method of reactor multi-physical field coupling can comprise, but is not limited to, a processor and a memory. It will be understood by those skilled in the art that the schematic diagram 4 is merely an example of an apparatus using a simulation method of reactor multi-physical field coupling, and does not constitute a limitation of the apparatus using the simulation method of reactor multi-physical field coupling, and may include more or less components than those shown in the drawings, or combine some components, or different components, for example, the apparatus using the simulation method of reactor multi-physical field coupling may further include input and output devices, network access devices, buses, and the like.
The Processor 10 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic, discrete hardware components, etc. The general-purpose processor may be a microprocessor or the processor 10 may be any conventional processor, etc., and the processor 10 is a control center of the apparatus using the reactor multi-physical field coupling simulation method, and various interfaces and lines are used to connect various parts of the entire apparatus using the reactor multi-physical field coupling simulation method.
The memory 20 may be used to store the computer programs and/or modules, and the processor 10 implements various functions of the apparatus using the reactor multi-physical field coupling simulation method by running or executing the computer programs and/or modules stored in the memory 20 and calling up data stored in the memory 20. The memory 20 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. In addition, the memory 20 may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
Wherein, the device integrated module of the simulation method using reactor multi-physical field coupling can be stored in a computer readable storage medium if it is realized in the form of software functional unit and sold or used as an independent product. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium and can implement the steps of the embodiments of the method when the computer program is executed by a processor. The computer program includes computer program code, and the computer program code may be in a source code form, an object code form, an executable file or some intermediate form. The computer readable medium may include: any entity or device capable of carrying computer program code, recording medium, U.S. disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution media, and the like. It should be noted that the computer readable medium may contain other components which may be suitably increased or decreased as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, in accordance with legislation and patent practice, the computer readable medium does not include electrical carrier signals and telecommunications signals.
The embodiment of the present invention further provides a computer-readable storage medium, where the computer-readable storage medium includes a stored computer program, and when the computer program runs, a device where the computer-readable storage medium is located is controlled to execute the reactor multi-physical-field coupling simulation method according to any one of the above-mentioned embodiments.
In summary, the simulation method, the simulation device and the storage medium for reactor multi-physical field coupling provided by the embodiment of the invention perform electromagnetic field analysis, thermal analysis and flow field analysis by modeling and setting relevant parameters such as geometry and materials, so that coupling field data is transmitted in a one-way coupling manner from an electromagnetic field to a thermal field to a flow field, electric-magnetic-thermal-fluid coupling field analysis of the reactor is met, parametric analysis is also realized, and the post-processing process of the reactor is effectively normalized. Meanwhile, the invention can complete the integrated application of electromagnetic field analysis data, thermal analysis data and flow field analysis data, provides basis and data support for optimizing the design process of the reactor, retains the experience of design and simulation analysis through the case data module, and is beneficial to the iterative design optimization of the reactor.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (8)
1. A simulation method for multi-physical field coupling of a reactor is characterized by comprising the following steps:
acquiring geometric parameters, material data and working condition information of the reactor;
establishing a geometric model of the reactor according to the geometric parameters, and performing grid division on the geometric model to obtain a plurality of geometric components;
setting material properties corresponding to each geometric component according to the material data;
setting boundary conditions of the reactor according to the working condition information; wherein the boundary conditions include electromagnetic field boundary conditions, thermal boundary conditions, and flow field boundary conditions;
according to preset solving settings, performing electromagnetic field analysis, thermal analysis and flow field analysis one by one to obtain analysis result data;
and carrying out post-processing on the analysis result data to judge whether the design of the reactor is reasonable.
2. The method for simulating multi-physical-field coupling of a reactor according to claim 1, wherein the method further comprises:
and storing the analysis result data and the post-processing data related to the post-processing process to form an experience base for later-stage check and reference.
3. The method for simulating multi-physical-field coupling of the reactor according to claim 1, wherein the establishing a geometric model of the reactor according to the geometric parameters and performing mesh division on the geometric model to obtain a plurality of geometric components specifically comprises:
establishing a geometric model of the reactor according to the geometric parameters, and carrying out grid division on the geometric model;
and defining global grid parameters by using preset parameters to obtain a plurality of geometric components.
4. The method for simulating the multi-physical-field coupling of the reactor according to claim 1, wherein the electromagnetic field analysis, the thermal analysis and the flow field analysis are performed one by one according to a preset solving setting to obtain analysis result data, and specifically comprises:
performing electromagnetic field analysis according to preset solving setting to obtain an electromagnetic field analysis result;
performing thermal analysis according to the electromagnetic field analysis result to obtain a thermal analysis result;
performing flow field analysis according to the thermal analysis result to obtain a flow field analysis result;
and obtaining the analysis result data according to the electromagnetic field analysis result, the thermal analysis result and the flow field analysis result.
5. The method for simulating the multi-physical-field coupling of the reactor according to claim 1, wherein the post-processing the analysis result data to determine whether the design of the reactor is reasonable specifically comprises:
acquiring an industrial standard of the reactor;
and comparing the analysis result data with the industrial standard, and judging whether the analysis result data meets the industrial standard or not so as to judge whether the design of the reactor is reasonable or not.
6. A simulation device for multi-physical-field coupling of a reactor is characterized by comprising:
the parameter acquisition module is used for acquiring geometric parameters, material data and working condition information of the reactor;
the model establishing module is used for establishing a geometric model of the reactor according to the geometric parameters and performing grid division on the geometric model to obtain a plurality of geometric components;
the material setting module is used for setting the material property corresponding to each geometric component according to the material data;
the boundary condition setting module is used for setting the boundary condition of the reactor according to the working condition information; wherein the boundary conditions include electromagnetic field boundary conditions, thermal boundary conditions, and flow field boundary conditions;
the analysis module is used for performing electromagnetic field analysis, thermal analysis and flow field analysis one by one according to preset solving setting to obtain analysis result data;
and the post-processing module is used for performing post-processing on the analysis result data so as to judge whether the design of the reactor is reasonable.
7. An apparatus using a simulation method of reactor multi-physical field coupling, comprising a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, the processor implementing the simulation method of reactor multi-physical field coupling according to any one of claims 1 to 5 when executing the computer program.
8. A computer-readable storage medium, characterized in that the computer-readable storage medium comprises a stored computer program, wherein the computer program, when running, controls a device in which the computer-readable storage medium is located to perform the method for simulating multi-physical-field coupling of a reactor according to any one of claims 1 to 5.
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| CN112199839A (en) * | 2020-09-30 | 2021-01-08 | 恒大新能源汽车投资控股集团有限公司 | Temperature distribution processing method, device and equipment for vehicle battery system |
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| CN112926240B (en) * | 2021-02-01 | 2022-07-01 | 中国人民解放军海军工程大学 | Design method for short-time working large-capacity water-cooling reactor |
| CN112926240A (en) * | 2021-02-01 | 2021-06-08 | 中国人民解放军海军工程大学 | Design method for short-time working large-capacity water-cooling reactor |
| CN113705037A (en) * | 2021-07-27 | 2021-11-26 | 中国能源建设集团江苏省电力设计院有限公司 | Temperature field simulation method and device for indoor air-core reactor |
| CN113705037B (en) * | 2021-07-27 | 2023-11-03 | 中国能源建设集团江苏省电力设计院有限公司 | Temperature field simulation method and device for indoor air-core reactor |
| CN113792464A (en) * | 2021-09-17 | 2021-12-14 | 中国恩菲工程技术有限公司 | Coupling interface interaction method, system, simulation system, equipment and storage medium |
| CN113591361A (en) * | 2021-09-29 | 2021-11-02 | 成都飞机工业（集团）有限责任公司 | Aviation oven control sensor positioning method, device, equipment and medium |
| CN114239132A (en) * | 2021-11-25 | 2022-03-25 | 合众新能源汽车有限公司 | Temperature field simulation method and device for composite material automobile brake disc |
| WO2024087305A1 (en) * | 2022-10-27 | 2024-05-02 | 云南电网有限责任公司电力科学研究院 | Isolation switch temperature field simulation method and system capable of implementing fast convergence, and simulation analysis terminal |
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