CN112231876B - Pipeline system fluid dynamic model generation system and method based on geometric model - Google Patents
Pipeline system fluid dynamic model generation system and method based on geometric model Download PDFInfo
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Abstract
The invention discloses a pipeline system fluid dynamics model generation system and method based on a geometric model, which comprises a geometric file import module, a geometric file extraction module and a pipeline system dynamic model generation module, wherein the geometric file import module is used for acquiring a geometric file of an imported pipeline system; the component data configuration module is used for configuring model data of each component model in the system, and the model data at least comprises geometric attributes, material physical properties, boundary conditions, initial values and source term closed equations; the system comprises an equation system configuration module, a data processing module and a data processing module, wherein the equation system configuration module is used for configuring the scale of an equation set, a physical property calculation function and the mathematical relation of a source item of an equation system corresponding to a pipeline system according to model data; and the mathematical model generation module is used for generating a fluid dynamics mathematical model of the pipeline system when the equation number in the equation system is matched with the unknown variable data. By adopting the method and the device, the pipeline system can be quickly translated into the solvable fluid dynamics mathematical model, the input system can be conveniently subjected to solution simulation, the simulation and inspection efficiency and quality of the pipeline system are improved, and the labor redundancy workload is reduced.
Description
Technical Field
The invention relates to the technical field of fluid dynamics model generation in simulation of a pipeline system of a nuclear power plant, in particular to a pipeline system fluid dynamics model generation system and method based on a geometric model.
Background
The nuclear power plant pipeline system is complex in structure, and when a fluid dynamic model for the pipeline system is generated, the method faces a plurality of difficulties: 1) different types of pipelines, heat exchange wall surfaces, valves, pumps, voltage stabilizers, heat exchangers and other assemblies are involved, and each assembly has corresponding boundary conditions; 2) the fluid in the pipeline system relates to a phase change process from single phase to two phases and from two phases to single phase, and relates to a relatively complex physical process, wherein the realization of calculation needs to depend on a configured closed equation system and the material physical properties of the fluid and a pipeline; 3) the numerical simulation of the pipeline system is very important, and in the existing pipeline system model construction process, the whole pipeline system is usually subjected to mathematical discretization in the aspect of dynamics manually, the calculation and solving work is complex, the time cost is high, manual derivation and conversion into corresponding mathematical description are prone to errors, and more time is often needed for checking the mathematical relationship between the discretized physical quantities.
Disclosure of Invention
The embodiment of the invention provides a pipeline system fluid dynamics model generation system and method based on a geometric model, which can quickly translate a pipeline system into a solvable fluid dynamics mathematical model through a procedural and automatic modeling process, facilitate the solution simulation of the input pipeline system, improve the efficiency and quality of the simulation and inspection of the pipeline system and reduce the workload of manpower redundancy.
The first aspect of the embodiments of the present invention provides a pipeline system fluid dynamic model generation system based on a geometric model, including:
the geometric file import module is used for acquiring a geometric file of the imported pipeline system;
the component data configuration module is used for configuring model data of each component model in the pipeline system, and the model data at least comprises geometric attributes, material physical properties, boundary conditions, initial values and source term closed equations;
the system comprises an equation system configuration module, a data processing module and a data processing module, wherein the equation system configuration module is used for configuring the scale of an equation set, a physical property calculation function and the mathematical relation of a source item of an equation system corresponding to a pipeline system according to model data;
and the mathematical model generation module is used for generating a fluid dynamics mathematical model of the pipeline system when the equation number in the equation system is matched with the unknown variable data.
The second aspect of the embodiments of the present invention provides a pipeline system fluid dynamic model generation method based on a geometric model, including:
acquiring a geometric file of the introduced pipeline system;
configuring model data of each component model in the pipeline system, wherein the model data at least comprises geometric attributes, material physical properties, boundary conditions, initial values and source term closed equations;
configuring the scale of an equation set of an equation system corresponding to the pipeline system, a physical property calculation function and the mathematical relation of a source item according to the model data;
and when the equation number in the equation system is matched with the unknown variable data, generating a pipeline system fluid dynamic mathematical model.
A third aspect of embodiments of the present invention provides a computer device, which includes a processor and a memory, where at least one instruction, at least one program, code set, or set of instructions is stored in the memory, and the at least one instruction, the at least one program, the code set, or the set of instructions is loaded and executed by the processor to implement the geometric model-based piping system fluid dynamics model generation method according to the above aspect.
A fourth aspect of embodiments of the present invention provides a computer storage medium having at least one instruction, at least one program, code set, or instruction set stored therein, the at least one instruction, the at least one program, the code set, or the instruction set being loaded and executed by a processor to implement the geometric model based piping system fluid dynamics model generation method of the above aspect.
In the embodiment of the invention, model data of various component models in the pipeline system are configured through a geometric file import module, a component data configuration module, an equation system configuration model and a mathematical model generation module, an equation system of the pipeline system is configured, and a solvable fluid dynamics mathematical model describing the pipeline system is automatically generated. Due to the automation and standardization of the process, the pipeline system can be quickly and accurately translated into the solvable fluid dynamics mathematical model, the input pipeline system can be conveniently subjected to solution simulation, the simulation and inspection efficiency and quality of the pipeline system are improved, and the labor redundancy workload is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a pipeline system fluid dynamic model generation system based on a geometric model according to an embodiment of the present invention;
FIG. 2 is a block diagram of a component data configuration module according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an equation system configuration module provided by an embodiment of the present invention;
FIG. 4 is a schematic flow chart of a method for generating a pipeline system fluid dynamic model based on a geometric model according to an embodiment of the present invention;
FIG. 5 is a schematic flow chart of another pipeline system fluid dynamic model generation method based on a geometric model according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a computer device 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.
The terms "including" and "having," and any variations thereof, in the description and claims of this invention and the above-described drawings are intended to cover a non-exclusive inclusion, and the terms "first" and "second" are used for distinguishing designations only and do not denote any order or magnitude of a number. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Example 1
In the embodiment of the invention, the pipeline system fluid dynamic model generation method based on the geometric model can be applied to computer equipment, and the computer equipment can be a computer and other terminal equipment with computing processing capacity.
Referring to fig. 1, a schematic structural diagram of a pipeline system fluid dynamic model generation system based on a geometric model is provided for an embodiment of the present invention. As shown in fig. 1, a fluid dynamic model generation system 10 of an embodiment of the present invention may include: the system comprises a geometry file importing module 101, a component data configuration module 102, an equation system configuration module 103, a mathematical model generating module 104 and an error prompt module 105. The component data configuration module 102 is shown in fig. 2 and includes a geometric attribute configuration unit 1021, a material property configuration unit 1022, a basic information configuration unit 1023, and a source term closed equation configuration unit 1024, and the equation system configuration module 103 is shown in fig. 3 and includes a scale configuration unit 1031, a calculation function introducing unit 1032, an expression adding unit 1033, and a mathematical relationship arrangement unit 1034.
And a geometric file importing module 101, configured to obtain a geometric file of the imported pipeline system.
It will be appreciated that the geometry file may include all of the geometry information in the piping system.
The component data configuration module 102 is configured to configure model data of each component model in the pipeline system.
It should be noted that various complex component models are involved in the piping system of the nuclear reactor, and the model data of the component models may include at least geometric properties, material properties, boundary conditions and initial values of the models, and source term closure equations.
In a preferred implementation, the geometric property configuration unit 1021, the material property configuration unit 1022, the basic information configuration unit 1023, and the source term closed equation configuration unit 1024 are used to configure the geometric properties, the material properties, the boundary conditions and initial values, and the source term closed equations of the components, respectively.
In a specific implementation, the geometric attribute configuration unit 1021 is configured to configure geometric attributes such as a pipeline hydraulic diameter, a discrete scale (i.e., grid discrete data in the system), and a pipeline wall surface roughness of each component model in the pipeline system according to geometric discrete information in the geometric file. A material property arrangement unit 1022 for arranging wall materials and fluid materials of the respective component models, for example, fluid-pure water, pipe-steel. Preferably, the system may automatically select the interface function of the called physical property calculation according to different media types. The basic information configuration unit 1023 is used for configuring the boundary conditions and initial values of each component model, wherein the boundary conditions may include outlet boundary conditions including but not limited to outlet speed/flow and outlet pressure and inlet boundary conditions including but not limited to inlet speed/flow and inlet pressure. The initial values include, but are not limited to, initial pressure, initial gas phase velocity, liquid phase velocity, initial gas phase temperature, initial liquid phase temperature, empty initial bubble rate. Optionally, the basic information configuration unit 1023 may also configure the thermal build-up in the assembly, including specifically the initial wall temperature and the thermophysical properties of the wall material. The source term closed equation configuration unit 1024 is configured to configure a source term of a pipeline in the pipeline system, and it can be understood that the source term in the pipeline system is a source term mathematical relational expression of each component model in the system, and at least may include a wall friction closed equation, a wall heat exchange closed equation, an interphase friction closed equation, an interphase mass transfer closed equation, and an interphase heat exchange closed equation, and it can be understood that the mathematical relational expression is expressed by using a closed equation.
In an alternative implementation, the component data configuration module 102 may also configure the model data of each component model according to a model built in the engineering practice and/or a mathematical expression added by a user.
Further, the equation system configuration module 103 is configured to configure the scale of the equation set, the physical property calculation function, and the mathematical relationship of the source term of the equation system corresponding to the pipeline system according to the model data. Preferably, the system 10 can configure the equation system by the scale configuration unit 1031, the calculation function introducing unit 1032, the expression adding unit 1033, and the mathematical relationship collating unit 1034.
In a specific implementation, the scale configuration unit 1031 is configured to configure the system scale of the equation system according to the geometric discrete information in the geometric file.
A calculation function introducing unit 1032 for introducing different physical property calculation functions in the mathematical description according to the material physical properties configured by the geometric property configuration unit 1021.
An expression adding unit 1033 for adding a corresponding mathematical expression according to the boundary condition and the source term closed equation.
And a mathematical relational expression sorting unit 1034 for sorting the introduced physical property calculation function and the added data expression into a discrete form of mathematical relational expression according to the description of the thermal hydraulic dynamics.
Further, the system may check whether the number of equations in the system of equations matches the number of unknown variables.
And the mathematical model generation module 104 is configured to generate a pipeline system fluid dynamics mathematical model when the equation number in the equation system is matched with the unknown variable data, and may correspondingly output a solvable fluid dynamics mathematical equation set. Conversely, the error prompt module 105 may output an error prompt message for prompting the user that the set of fluid dynamic equations established is not resolvable and the modeling is incorrect.
In the embodiment of the invention, model data of various component models in the pipeline system are configured through a geometric file import module, a component data configuration module, an equation system configuration model and a mathematical model generation module, an equation system of the pipeline system is configured, and a solvable fluid dynamics mathematical model describing the pipeline system is automatically generated. Due to the automation and standardization of the process, the pipeline system can be quickly and accurately translated into the solvable fluid dynamics mathematical model, the input pipeline system can be conveniently subjected to solution simulation, the simulation and inspection efficiency and quality of the pipeline system are improved, and the labor redundancy workload is reduced.
Example 2
As shown in fig. 4, an embodiment of the present invention provides a flow of a pipeline system fluid dynamic model generation method based on a geometric model, including the following steps:
s101, acquiring a geometric file of the introduced pipeline system.
S102, configuring model data of each component model in the pipeline system.
In an alternative embodiment, the system can configure the pipe hydraulic diameter, the discrete scale and the pipe wall surface roughness of each component model in the pipeline system according to the geometric discrete information in the geometric file. And arranging wall side materials and fluid materials of the component models. And configuring boundary conditions and initial values of each component model, wherein the boundary conditions comprise inlet boundary conditions and outlet boundary conditions, and the initial values at least comprise initial pressure, initial gas phase speed, liquid phase speed, initial gas phase temperature, initial liquid phase temperature and empty initial bubble rate. And configuring a source item of a pipeline in the pipeline system, wherein the source item is a source item mathematical relation of each component model and at least comprises a wall friction closed equation, a wall heat exchange closed equation, an interphase friction closed equation, an interphase mass transfer closed equation and an interphase heat exchange closed equation.
And S103, configuring the scale of an equation set of an equation system corresponding to the pipeline system, the physical property calculation function and the mathematical relation of the source item according to the model data.
In an optional embodiment, the system configures the scale of the equation system corresponding to the pipeline system according to the geometric discrete information in the geometric file; introducing different physical property calculation functions into the mathematical description according to the physical properties of the configured materials; adding a corresponding mathematical expression according to the boundary condition and the source term closed equation; and finally, the introduced physical property calculation function and the added data expression are arranged into a discrete mathematical relational expression according to the description of the thermal hydraulic dynamics.
And S104, when the equation number in the equation system is matched with the unknown variable data, generating a pipeline system fluid dynamic mathematical model.
It should be noted that, the execution processes of the modules and units in the system embodiment and the steps in the method embodiment have corresponding relationships, and the execution processes of different steps may refer to the specific description in the system embodiment, which is not described herein again.
In the embodiment of the invention, model data of various component models in the pipeline system are configured through a geometric file import module, a component data configuration module, an equation system configuration model and a mathematical model generation module, an equation system of the pipeline system is configured, and a solvable fluid dynamics mathematical model describing the pipeline system is automatically generated. Due to the automation and standardization of the process, the pipeline system can be quickly and accurately translated into the solvable fluid dynamics mathematical model, the input pipeline system can be conveniently subjected to solution simulation, the simulation and inspection efficiency and quality of the pipeline system are improved, and the labor redundancy workload is reduced.
In a preferred implementation, the flow of the pipeline system fluid dynamic model generation method based on the geometric model can also be as shown in fig. 5:
importing a pipeline system geometric file;
configuring the geometric attributes of each component;
material physical properties of each component are configured;
configuring boundary conditions and initial values of each component;
configuring a source term closed equation of each component;
checking the matching of an equation system and the number of solution variables;
automatically generating a pipeline system fluid dynamics mathematical model;
error information is generated.
It is to be understood that the configurations or the equation generation processes described in this embodiment have been described in detail in the above system or method embodiments, and are not described herein again.
In the embodiment of the invention, model data of various component models in the pipeline system are configured through a geometric file import module, a component data configuration module, an equation system configuration model and a mathematical model generation module, an equation system of the pipeline system is configured, and a solvable fluid dynamics mathematical model describing the pipeline system is automatically generated. Due to the automation and standardization of the process, the pipeline system can be quickly and accurately translated into the solvable fluid dynamics mathematical model, the input pipeline system can be conveniently subjected to solution simulation, the simulation and inspection efficiency and quality of the pipeline system are improved, and the labor redundancy workload is reduced.
Example 3
An embodiment of the present invention provides a computer storage medium, where the computer storage medium may store a plurality of instructions, where the instructions are suitable for being loaded by a processor and executing the method steps in the embodiments shown in fig. 4 or fig. 5, and a specific execution process may refer to specific descriptions of the embodiments shown in fig. 4 or fig. 5, which are not described herein again.
Example 4
The embodiment of the invention provides computer equipment. As shown in fig. 6, the computer device 20 may include: the at least one processor 201, e.g., CPU, the at least one network interface 204, the user interface 203, the memory 205, the at least one communication bus 202, and optionally, a display 206. Wherein a communication bus 202 is used to enable the connection communication between these components. The user interface 203 may include a touch screen, a keyboard or a mouse, among others. The network interface 204 may optionally include a standard wired interface, a wireless interface (e.g., WI-FI interface), and a communication connection may be established with the server via the network interface 204. The memory 205 may be a high-speed RAM memory or a non-volatile memory (non-volatile memory), such as at least one disk memory, and the memory 205 includes a flash in the embodiment of the present invention. The memory 205 may optionally be at least one memory system located remotely from the processor 201. As shown in fig. 6, memory 205, which is a type of computer storage medium, may include an operating system, a network communication module, a user interface module, and program instructions.
It should be noted that the network interface 204 may be connected to a receiver, a transmitter or other communication module, and the other communication module may include, but is not limited to, a WiFi module, a bluetooth module, etc., and it is understood that the computer device in the embodiment of the present invention may also include a receiver, a transmitter, other communication module, etc.
Processor 201 may be used to call program instructions stored in memory 205 and cause computer device 20 to perform the following operations:
acquiring a geometric file of the introduced pipeline system;
configuring model data of each component model in the pipeline system, wherein the model data at least comprises geometric attributes, material physical properties, boundary conditions, initial values and source term closed equations;
configuring the scale of an equation set of an equation system corresponding to the pipeline system, a physical property calculation function and the mathematical relation of a source item according to the model data;
and when the equation number in the equation system is matched with the unknown variable data, generating a pipeline system fluid dynamic mathematical model.
In some embodiments, the apparatus 20 is specifically configured to, when configuring model data of each component model in the pipeline system:
configuring the pipeline hydraulic diameter, the discrete scale and the pipeline wall surface roughness of each component model in the pipeline system according to the geometric discrete information in the geometric file;
configuring wall side materials and fluid materials of each component model;
configuring boundary conditions and initial values of each component model, wherein the boundary conditions comprise inlet boundary conditions and outlet boundary conditions, and the initial values at least comprise initial pressure, initial gas phase speed, liquid phase speed, initial gas phase temperature, initial liquid phase temperature and empty initial bubble rate;
and configuring a source item of a pipeline in the pipeline system, wherein the source item is a source item mathematical relation of each component model and at least comprises a wall friction closed equation, a wall heat exchange closed equation, an interphase friction closed equation, an interphase mass transfer closed equation and an interphase heat exchange closed equation.
In some embodiments, the apparatus 20 is specifically configured to, when configuring the system of equations of the system of equations corresponding to the pipeline system, the physical property calculation function, and the mathematical relationship of the source term according to the model data:
configuring the scale of an equation set of an equation system corresponding to the pipeline system according to the geometric discrete information in the geometric file;
introducing different physical property calculation functions into the mathematical description according to the physical properties of the configured materials;
adding a corresponding mathematical expression according to the boundary condition and the source term closed equation;
and (4) organizing the introduced physical property calculation function and the added data expression into a discrete form mathematical relation according to the description of the thermal hydraulic dynamics.
In some embodiments, apparatus 20 is also operative to configure model data for component models in accordance with models built into the engineering practice and/or custom-added mathematical expressions.
In some embodiments, the apparatus 20 is further configured to output an error prompt when the number of equations in the system equation does not match the unknown variable data.
In the embodiment of the invention, model data of various component models in the pipeline system are configured through a geometric file import module, a component data configuration module, an equation system configuration model and a mathematical model generation module, an equation system of the pipeline system is configured, and a solvable fluid dynamics mathematical model describing the pipeline system is automatically generated. Due to the automation and standardization of the process, the pipeline system can be quickly and accurately translated into the solvable fluid dynamics mathematical model, the input pipeline system can be conveniently subjected to solution simulation, the simulation and inspection efficiency and quality of the pipeline system are improved, and the labor redundancy workload is reduced.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the invention is not limited by the scope of the appended claims.
Claims (8)
1. A geometric model based piping system fluid dynamics model generation system, comprising:
the geometric file import module is used for acquiring a geometric file of the imported pipeline system;
the component data configuration module is used for configuring model data of each component model in the pipeline system, and the model data at least comprises geometric attributes, material physical properties, boundary conditions, initial values and source term closed equations;
the system configuration module of the equation is used for configuring the scale of the equation set, the physical property calculation function and the mathematical relation of the source item of the equation system corresponding to the pipeline system according to the model data;
the mathematical model generation module is used for generating a pipeline system fluid dynamics mathematical model when the equation number in the equation system is matched with the unknown variable data;
wherein the component data configuration module comprises:
the geometric attribute configuration unit is used for configuring the pipeline hydraulic diameter, the discrete scale and the pipeline wall surface roughness of each component model in the pipeline system according to the geometric discrete information in the geometric file;
a material property configuration unit for configuring wall side materials and fluid materials of each component model;
the basic information configuration unit is used for configuring boundary conditions and initial values of each component model, wherein the boundary conditions comprise inlet boundary conditions and outlet boundary conditions, and the initial values at least comprise initial pressure, initial gas phase speed, liquid phase speed, initial gas phase temperature, initial liquid phase temperature and empty initial bubble rate;
and the source term closed equation configuration unit is used for configuring a source term of a pipeline in the pipeline system, wherein the source term is a source term mathematical relational expression of each component model and at least comprises a wall friction closed equation, a wall heat exchange closed equation, an interphase friction closed equation, an interphase mass transfer closed equation and an interphase heat exchange closed equation.
2. The geometric model based piping system fluid dynamics model generation system of claim 1, wherein the equation system configuration module comprises:
the scale configuration unit is used for configuring the scale of an equation system corresponding to the pipeline system according to the geometric discrete information in the geometric file;
a calculation function introduction unit for introducing different physical property calculation functions in the mathematical description according to the physical properties of the configured materials;
the expression adding unit is used for adding a corresponding mathematical expression according to the boundary condition and the source term closed equation;
and the mathematical relational expression arrangement unit is used for arranging the introduced physical property calculation function and the added data expression into a discrete mathematical relational expression according to the description of the thermal hydraulic dynamics.
3. The geometric model based piping system fluid dynamics model generation system of claim 1,
the component data configuration module is specifically used for configuring the model data of each component model according to the model built in the engineering reality and/or the custom-added mathematical expression.
4. The geometric model based piping system fluid dynamic model generation system of claim 1, further comprising:
and the error prompt module is used for outputting error prompt information when the equation number in the equation system is not matched with the unknown variable data.
5. A pipeline system fluid dynamic model generation method based on a geometric model is characterized by comprising the following steps:
acquiring a geometric file of the introduced pipeline system;
configuring model data of each component model in the pipeline system, wherein the model data at least comprises geometric attributes, material physical properties, boundary conditions, initial values and source term closed equations;
configuring the equation set scale, the physical property calculation function and the mathematical relation of a source item of an equation system corresponding to the pipeline system according to the model data;
when the equation number in the equation system is matched with the unknown variable data, a pipeline system fluid dynamics mathematical model is generated;
wherein the configuring model data of each component model in the pipeline system comprises:
configuring the pipeline hydraulic diameter, the discrete scale and the pipeline wall surface roughness of each component model in the pipeline system according to the geometric discrete information in the geometric file;
configuring wall side materials and fluid materials of each component model;
configuring boundary conditions and initial values of each component model, wherein the boundary conditions comprise inlet boundary conditions and outlet boundary conditions, and the initial values at least comprise initial pressure, initial gas phase speed, liquid phase speed, initial gas phase temperature, initial liquid phase temperature and empty initial bubble rate;
and configuring a source item of a pipeline in the pipeline system, wherein the source item is a source item mathematical relation of each component model and at least comprises a wall friction closed equation, a wall heat exchange closed equation, an interphase friction closed equation, an interphase mass transfer closed equation and an interphase heat exchange closed equation.
6. The geometric model-based pipeline system fluid dynamic model generation method according to claim 5, wherein the configuring of the mathematical relationship among the system of equations, the physical property calculation function, and the source term of the corresponding system of equations of the pipeline system according to the model data comprises:
configuring the scale of an equation system corresponding to the pipeline system according to the geometric discrete information in the geometric file;
introducing different physical property calculation functions into the mathematical description according to the physical properties of the configured materials;
adding a corresponding mathematical expression according to the boundary condition and the source term closed equation;
and (4) organizing the introduced physical property calculation function and the added data expression into a discrete form mathematical relation according to the description of the thermal hydraulic dynamics.
7. A computer device comprising a processor and a memory, said memory having stored therein at least one instruction, at least one program, set of codes, or set of instructions, which is loaded and executed by said processor to implement a geometric model based piping system fluid dynamics model generation method according to any of claims 5 to 6.
8. A computer readable storage medium having stored therein at least one instruction, at least one program, a set of codes, or a set of instructions, which is loaded and executed by a processor to implement the geometric model based piping system fluid dynamics model generation method of any one of claims 5 through 6.
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