CN108959720A - A kind of Fluid Mechanics Computation real time simulation method, electronic equipment, storage medium and system - Google Patents
A kind of Fluid Mechanics Computation real time simulation method, electronic equipment, storage medium and system Download PDFInfo
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- CN108959720A CN108959720A CN201810588836.6A CN201810588836A CN108959720A CN 108959720 A CN108959720 A CN 108959720A CN 201810588836 A CN201810588836 A CN 201810588836A CN 108959720 A CN108959720 A CN 108959720A
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/06—Power analysis or power optimisation
Abstract
A kind of Fluid Mechanics Computation real time simulation method of the invention, including being that the distribution of each process calculates subregion according to region division parameter and spatial spreading gridding information, determines that each process is corresponding respectively and calculate the internal node for calculating the exchange of subregion no data corresponding with adjacent processes in subregion；It is that the distribution of each process calculates subregion according to region division parameter and spatial spreading gridding information, determines that each process is corresponding and calculate the boundary node for calculating subregion and having data exchange corresponding with adjacent processes in subregion；Each process solve system of equation in corresponding calculating subregion according to spatial spreading gridding information and time step information；A kind of Fluid Mechanics Computation of the invention implements analogy method, by calculating the corresponding dummy node for calculating subregion and calculating data of adjacent processes required for boundary node；Each process solve system of equation in corresponding calculating subregion according to spatial spreading gridding information and time step information, the efficiency for calculating simulation are quicker.
Description
Technical field
The present invention relates to real-time simulation field more particularly to a kind of Fluid Mechanics Computation real time simulation method, electronic equipment,
Storage medium and system.
Background technique
Fluid Mechanics Computation (computational fluid dynamics, CFD) is one using Numerical Methods Solve
Fluid Control Equation, to disclose the subject [1] of flowing essence and rule.With the development of Fluid Mechanics Computation and high-order essence
The application of format is spent, the flow field problem of analog becomes increasingly complex, and spatial and temporal scales are more and more finer, and there is an urgent need to improve simulation effect
Rate is to accelerate the simulation process of challenge, and just to time derivation algorithm and parallel computation, more stringent requirements are proposed for this.But
For Fluid Mechanics Computation real time simulation method, that there are simulation degrees is not high at present, and the efficiency for simulating calculating is slower.
Summary of the invention
For overcome the deficiencies in the prior art, one of the objects of the present invention is to provide a kind of real-time moulds of Fluid Mechanics Computation
Quasi- method, can solve at present that there are simulation degrees is not high for Fluid Mechanics Computation real time simulation method, simulate the effect of calculating
The slower problem of rate.
The second object of the present invention is to provide a kind of electronic equipment, can solve real-time for Fluid Mechanics Computation at present
That there are simulation degrees is not high for analogy method, simulates the slower problem of the efficiency of calculating.
The third purpose of invention is to provide a kind of storage medium, can solve mould real-time for Fluid Mechanics Computation at present
That there are simulation degrees is not high for quasi- method, simulates the slower problem of the efficiency of calculating.
The fourth purpose of invention is to provide a kind of Fluid Mechanics Computation Real-time Simulation System, can solve at present for meter
That there are simulation degrees is not high for fluid operator mechanics real time simulation method, simulates the slower problem of the efficiency of calculating.
An object of the present invention is implemented with the following technical solutions:
A kind of Fluid Mechanics Computation real time simulation method, characterized by comprising:
The analogue data information of simulated object is obtained,
It reads needed for spatial spreading gridding information and the group of equations of the simulated object in the analogue data information
Data information, the data information include region division parameter and time step information；
It is that the distribution of each process calculates subregion according to the region division parameter and the spatial spreading gridding information, point
It does not determine in the corresponding calculating subregion of each process in the calculating subregion no data exchange corresponding with adjacent processes
Portion's node；
It is that each process distributes the calculating sub-district according to the region division parameter and the spatial spreading gridding information
Domain determines that each process corresponds to the side for calculating subregion and having data exchange corresponding with adjacent processes in the calculating subregion
Boundary's node；
It calculates adjacent processes required for the boundary node and corresponds to the dummy node that the calculating subregion calculates data；
Each process is according to the spatial spreading gridding information and the time step information in the corresponding meter
Solve system of equation in operator region.
Further, the spatial spreading gridding information includes small size grid and large scale grid, the small size net
Network is that identical physical space progress is discrete with the large scale network.
Further, each process exists according to the spatial spreading gridding information and the time step information
Solve system of equation in the corresponding calculating subregion specifically: each process is calculated in small size grid corresponding equation group
Complexity is less than preset threshold, is greater than or equal to preset threshold in the corresponding equation group computation complexity of large scale grid.
Further, the time step information includes step-length and large time step between hour, and the small time step is a length of
Computation complexity be less than preset threshold the corresponding time step of equation group, the large time step be computation complexity be greater than or
Time step corresponding equal to the equation group of preset threshold.
The second object of the present invention is implemented with the following technical solutions:
A kind of electronic equipment, comprising: processor；
Memory；And program, wherein described program is stored in the memory, and is configured to by processor
It executes, described program includes for executing a kind of Fluid Mechanics Computation real time simulation method of the invention.
The third object of the present invention is implemented with the following technical solutions:
A kind of computer readable storage medium, is stored thereon with computer program, it is characterised in that: the computer program
It is executed by processor a kind of Fluid Mechanics Computation real time simulation method of the invention.
The fourth object of the present invention is implemented with the following technical solutions:
A kind of Fluid Mechanics Computation Real-time Simulation System, characterized by comprising:
Obtain module, the analogue data information for obtaining module and being used to obtain simulated object；
Read module, the read module are used to read the spatial spreading net of the simulated object in the analogue data information
Data information needed for lattice information and group of equations, the data information include region division parameter and time step long letter
Breath；
Distribution module, the distribution module for being according to the region division parameter and the spatial spreading gridding information
The distribution of each process calculates subregion, determine respectively it is corresponding with adjacent processes in the corresponding calculating subregion of each process described in
Calculate the internal node of subregion no data exchange；The distribution module is used for according to the region division parameter and the space
Discrete grid block information is that each process distributes the calculating subregion, determine each process correspond in the calculating subregion with it is adjacent
The corresponding boundary node for calculating subregion and having data exchange of process；
Computing module, the computing module correspond to the calculating for calculating adjacent processes required for the boundary node
The dummy node of subregion calculating data；
Module is solved, the solution module according to the spatial spreading gridding information and the time step information for existing
Solve system of equation in the corresponding calculating subregion.
Further, the spatial spreading gridding information includes small size grid and large scale grid, the small size net
Network is that identical physical space progress is discrete with the large scale network.
Further, each process exists according to the spatial spreading gridding information and the time step information
Solve system of equation in the corresponding calculating subregion specifically: each process is calculated in small size grid corresponding equation group
Complexity is less than preset threshold, is greater than or equal to preset threshold in the corresponding equation group computation complexity of large scale grid.
Compared with prior art, the beneficial effects of the present invention are a kind of: Fluid Mechanics Computation of the invention sides of simulation in real time
Method, the analogue data information including obtaining simulated object, reads the spatial spreading of the simulated object in the analogue data information
Data information needed for gridding information and group of equations, the data information include region division parameter and time step long letter
Breath；It is that the distribution of each process calculates subregion according to the region division parameter and the spatial spreading gridding information, it is true respectively
Determine the corresponding inside section for calculating the calculating subregion no data exchange corresponding with adjacent processes in subregion of each process
Point；It is that each process distributes the calculating subregion according to the region division parameter and the spatial spreading gridding information, really
Fixed each process, which corresponds to the subregion that calculates corresponding with adjacent processes in the calculating subregion, has the boundary of data exchange to save
Point；It calculates adjacent processes required for the boundary node and corresponds to the dummy node that the calculating subregion calculates data；Each
The process is asked in the corresponding calculating subregion according to the spatial spreading gridding information and the time step information
Solving equations；The virtual of the calculating subregion calculating data is corresponded to by calculating adjacent processes required for the boundary node
Node；Each process is according to the spatial spreading gridding information and the time step information in corresponding calculating
Solve system of equation in region improves the simulation degree in whole process, and the efficiency for calculating simulation is quicker.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention and the accompanying drawings.
A specific embodiment of the invention is shown in detail by following embodiment and its attached drawing.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of flow chart of Fluid Mechanics Computation real time simulation method of the invention；
Fig. 2 is a kind of module frame chart of Fluid Mechanics Computation Real-time Simulation System of the invention.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the present invention, it should be noted that not
Under the premise of conflicting, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example.
A kind of Fluid Mechanics Computation real time simulation method as shown in Figure 1, specifically includes the following steps:
The analogue data information of simulated object is obtained,
Number needed for the spatial spreading gridding information and group of equations of simulated object in reading analogue data information
It is believed that breath, data information includes region division parameter and time step information；Spatial spreading gridding information includes small size grid
With large scale grid, small size network is that identical physical space progress is discrete with large scale network.Time step information includes
Small time step and large time step, the small a length of computation complexity of time step are less than the corresponding time step of equation group of preset threshold
Long, large time step is the corresponding time step of equation group that computation complexity is greater than or equal to preset threshold.
It is that the distribution of each process calculates subregion according to region division parameter and spatial spreading gridding information, determines respectively each
Process is corresponding to calculate the internal node for calculating the exchange of subregion no data corresponding with adjacent processes in subregion；
It is that the distribution of each process calculates subregion according to region division parameter and spatial spreading gridding information, determines each process
It is corresponding to calculate the boundary node for calculating subregion and having data exchange corresponding with adjacent processes in subregion；
Calculate the corresponding dummy node for calculating subregion and calculating data of adjacent processes required for boundary node；
Each process solution side in corresponding calculating subregion according to spatial spreading gridding information and time step information
Journey group.Each process solve system of equation in corresponding calculating subregion according to spatial spreading gridding information and time step information
Specifically: each process is less than preset threshold in small size grid corresponding equation group computation complexity, corresponding in large scale grid
Equation group computation complexity be greater than or equal to preset threshold.
A kind of electronic equipment provided by the invention, comprising: processor；
Memory；And program, wherein program is stored in memory, and is configured to be executed by processor, journey
Sequence includes for executing a kind of Fluid Mechanics Computation real time simulation method of the invention.
A kind of computer readable storage medium provided by the invention is stored thereon with computer program, computer program quilt
Processor executes a kind of Fluid Mechanics Computation real time simulation method of the invention.
As shown in Fig. 2, a kind of Fluid Mechanics Computation Real-time Simulation System of the invention.It specifically includes:
Module is obtained, the analogue data information that module is used to obtain simulated object is obtained；
Read module, read module be used to read the spatial spreading gridding information of simulated object in analogue data information with
And data information needed for group of equations, data information include region division parameter and time step information；
Distribution module, distribution module are used to according to region division parameter and spatial spreading gridding information be the distribution of each process
Subregion is calculated, determines calculating subregion no data exchange corresponding with adjacent processes in the corresponding calculating subregion of each process respectively
Internal node；Distribution module is used to be that the distribution of each process calculates son according to region division parameter and spatial spreading gridding information
Region determines that each process is corresponding and calculates the boundary section for calculating subregion and having data exchange corresponding with adjacent processes in subregion
Point；
Computing module, computing module calculate number for calculating the corresponding subregion that calculates of adjacent processes required for boundary node
According to dummy node；
Module is solved, module is solved and is used for according to spatial spreading gridding information and time step information in corresponding calculating
Solve system of equation in region.
Further, spatial spreading gridding information includes small size grid and large scale grid, small size network and big ruler
Very little network is that identical physical space progress is discrete.
Further, each process is according to spatial spreading gridding information and time step information in corresponding calculating subregion
Middle solve system of equation specifically: each process is less than preset threshold in small size grid corresponding equation group computation complexity, big
The corresponding equation group computation complexity of size grid is greater than or equal to preset threshold.
A kind of Fluid Mechanics Computation real time simulation method of the invention, the analogue data information including obtaining simulated object,
Data information needed for the spatial spreading gridding information and group of equations of simulated object in reading analogue data information, number
It is believed that breath inclusion region divides parameter and time step information；It is each according to region division parameter and spatial spreading gridding information
Process distribution calculates subregion, determine in the corresponding calculating subregion of each process respectively calculating subregion corresponding with adjacent processes without
The internal node of data exchange；It is that the distribution of each process calculates sub-district according to region division parameter and spatial spreading gridding information
Domain determines that each process is corresponding and calculates the boundary node for calculating subregion and having data exchange corresponding with adjacent processes in subregion；
Calculate the corresponding dummy node for calculating subregion and calculating data of adjacent processes required for boundary node；Each process is according to space
Discrete grid block information and time step the information solve system of equation in corresponding calculating subregion；By calculating needed for boundary node
The corresponding dummy node for calculating subregion and calculating data of the adjacent processes wanted；Each process according to spatial spreading gridding information and when
Between step information solve system of equation in corresponding calculating subregion, improve the simulation degree in whole process, make simulation count
The efficiency of calculation is quicker.
More than, only presently preferred embodiments of the present invention is not intended to limit the present invention in any form；All current rows
The those of ordinary skill of industry can be shown in by specification attached drawing and above and swimmingly implement the present invention；But all to be familiar with sheet special
The technical staff of industry without departing from the scope of the present invention, is made a little using disclosed above technology contents
The equivalent variations of variation, modification and evolution is equivalent embodiment of the invention；Meanwhile all substantial technologicals according to the present invention
The variation, modification and evolution etc. of any equivalent variations to the above embodiments, still fall within technical solution of the present invention
Within protection scope.
Claims (9)
1. a kind of Fluid Mechanics Computation real time simulation method, characterized by comprising:
Obtain the analogue data information of simulated object；
Read the simulated object in the analogue data information spatial spreading gridding information and group of equations needed for number
It is believed that breath, the data information includes region division parameter and time step information；
It is that the distribution of each process calculates subregion according to the region division parameter and the spatial spreading gridding information, it is true respectively
Determine the corresponding inside section for calculating the calculating subregion no data exchange corresponding with adjacent processes in subregion of each process
Point；
It is that each process distributes the calculating subregion according to the region division parameter and the spatial spreading gridding information, really
Fixed each process, which corresponds to the subregion that calculates corresponding with adjacent processes in the calculating subregion, has the boundary of data exchange to save
Point；
It calculates adjacent processes required for the boundary node and corresponds to the dummy node that the calculating subregion calculates data；
Each process is according to the spatial spreading gridding information and the time step information in corresponding calculating
Solve system of equation in region.
2. a kind of Fluid Mechanics Computation real time simulation method as described in claim 1, it is characterised in that: the spatial spreading net
Lattice information includes small size grid and large scale grid, and the small size network and the large scale network are that identical physics is empty
Between carry out it is discrete.
3. a kind of Fluid Mechanics Computation real time simulation method as described in claim 1, it is characterised in that: it is described it is each it is described into
Journey solves equation in the corresponding calculating subregion according to the spatial spreading gridding information and the time step information
Group specifically: each process is less than preset threshold in small size grid corresponding equation group computation complexity, in large scale net
The corresponding equation group computation complexity of lattice is greater than or equal to preset threshold.
4. a kind of Fluid Mechanics Computation real time simulation method as described in claim 1, it is characterised in that: the time step long letter
Breath includes small time step and large time step, and the small a length of computation complexity of time step is less than the equation group pair of preset threshold
The time step answered, the large time step are the corresponding time step of equation group that computation complexity is greater than or equal to preset threshold
It is long.
5. a kind of electronic equipment, characterized by comprising: processor；
Memory；And program, wherein described program is stored in the memory, and is configured to be held by processor
Row, described program include requiring method described in 1-4 any one for perform claim.
6. a kind of computer readable storage medium, is stored thereon with computer program, it is characterised in that: the computer program quilt
Processor executes the method as described in claim 1-4 any one.
7. a kind of Fluid Mechanics Computation Real-time Simulation System, characterized by comprising:
Obtain module, the analogue data information for obtaining module and being used to obtain simulated object；
Read module, the read module are used to read the spatial spreading grid letter of the simulated object in the analogue data information
Data information needed for breath and group of equations, the data information include region division parameter and time step information；
Distribution module, the distribution module are used to according to the region division parameter and the spatial spreading gridding information be each
Process distribution calculates subregion, determines the calculating corresponding with adjacent processes in the corresponding calculating subregion of each process respectively
The internal node of subregion no data exchange；The distribution module is used for according to the region division parameter and the spatial spreading
Gridding information is that each process distributes the calculating subregion, determine each process correspond in the calculating subregion with adjacent processes
The corresponding boundary node for calculating subregion and having data exchange；
Computing module, the computing module correspond to the calculating sub-district for calculating adjacent processes required for the boundary node
The dummy node of domain calculating data；
Module is solved, the solution module is used for according to the spatial spreading gridding information and the time step information in correspondence
The calculating subregion in solve system of equation.
8. a kind of Fluid Mechanics Computation Real-time Simulation System as claimed in claim 7, it is characterised in that: the spatial spreading net
Lattice information includes small size grid and large scale grid, and the small size network and the large scale network are that identical physics is empty
Between carry out it is discrete.
9. a kind of Fluid Mechanics Computation Real-time Simulation System as claimed in claim 7, it is characterised in that: it is described it is each it is described into
Journey solves equation in the corresponding calculating subregion according to the spatial spreading gridding information and the time step information
Group specifically: each process is less than preset threshold in small size grid corresponding equation group computation complexity, in large scale net
The corresponding equation group computation complexity of lattice is greater than or equal to preset threshold.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109858158A (en) * | 2019-02-01 | 2019-06-07 | 中国人民解放军军事科学院国防科技创新研究院 | A kind of method for parameter configuration and system of computational fluid dynamics simulation |
| CN110764934A (en) * | 2019-10-24 | 2020-02-07 | 清华大学 | Parallel communication method, device and system for numerical model and storage medium |
| CN111680456A (en) * | 2020-04-28 | 2020-09-18 | 中国科学院深圳先进技术研究院 | Fluid mechanics simulation method, device and storage medium |
| CN112965947A (en) * | 2021-03-10 | 2021-06-15 | 中国空气动力研究与发展中心计算空气动力研究所 | Depth compression storage format for multi-block structure grid data |
-
2018
- 2018-06-08 CN CN201810588836.6A patent/CN108959720A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109858158A (en) * | 2019-02-01 | 2019-06-07 | 中国人民解放军军事科学院国防科技创新研究院 | A kind of method for parameter configuration and system of computational fluid dynamics simulation |
| CN110764934A (en) * | 2019-10-24 | 2020-02-07 | 清华大学 | Parallel communication method, device and system for numerical model and storage medium |
| CN111680456A (en) * | 2020-04-28 | 2020-09-18 | 中国科学院深圳先进技术研究院 | Fluid mechanics simulation method, device and storage medium |
| CN112965947A (en) * | 2021-03-10 | 2021-06-15 | 中国空气动力研究与发展中心计算空气动力研究所 | Depth compression storage format for multi-block structure grid data |
| CN112965947B (en) * | 2021-03-10 | 2022-04-01 | 中国空气动力研究与发展中心计算空气动力研究所 | Depth compression storage format for multi-block structure grid data |
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