CN103309727A - Vane pump cavitation numerical simulation automatic operation method based on ANSYS-CFX software - Google Patents

Vane pump cavitation numerical simulation automatic operation method based on ANSYS-CFX software Download PDF

Info

Publication number
CN103309727A
CN103309727A CN2013102413288A CN201310241328A CN103309727A CN 103309727 A CN103309727 A CN 103309727A CN 2013102413288 A CN2013102413288 A CN 2013102413288A CN 201310241328 A CN201310241328 A CN 201310241328A CN 103309727 A CN103309727 A CN 103309727A
Authority
CN
China
Prior art keywords
file
ansys
cavitation
numerical
boundary condition
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2013102413288A
Other languages
Chinese (zh)
Other versions
CN103309727B (en
Inventor
刘厚林
王健
王勇
黄浩钦
蒋玲琳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu University
Original Assignee
Jiangsu University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Jiangsu University filed Critical Jiangsu University
Priority to CN201310241328.8A priority Critical patent/CN103309727B/en
Publication of CN103309727A publication Critical patent/CN103309727A/en
Application granted granted Critical
Publication of CN103309727B publication Critical patent/CN103309727B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The invention discloses a vane pump cavitation numerical simulation automatic operation method based on ANSYS-CFX software. The ANSYS-CFX software is used for setting a vane pump cavitation-free numerical calculation file which comprises initial modeling and mesh division of a flow field zone, boundary condition setting, calculation model selection and convergence condition judgment; a cavitation numerical calculation file is set and comprises vapor-phase physical property material addition, inlet two-phase component boundary condition setting, initial inlet pressure boundary condition setting and cavitation model selection; the ANSYS-CFX software is used for automatically operating a required file with a name suffix of ccl; a batch file capable of realizing cavitation numerical simulation automatic operation is established; and the file is double-clicked and operated, so that the automatic operation for vane pump cavitation numerical simulation can be realized. According to the method, the whole numerical calculation process can be guaranteed to operate continuously and automatically, so that the time spent in the whole numerical calculation process is shortened to the greatest extent.

Description

A kind of vane pump cavitation numerical simulation automatic operation method based on ANSYS-CFX software
Technical field
The present invention relates to a kind of hydraulic machinery cavitation numerical simulation operation method, particularly a kind of vane pump cavitation numerical simulation automatic operation method based on ANSYS-CFX software.
Background technology
Vane pump is to involve the interests of the state and the people and the strategy of national security equipment, as important energy conversion device, is widely used in each department of national economy.Cavitation Problems is the key core problem of vane pump area research always, also is the key problem of various engineering fields gordian technique, and nearly all vane pump all can run into Cavitation Problems.Because the complicacy of cavitation phenomenon, numerical computation method is one of Main Means of cavitation research always.At present, many CFD softwares can be realized this purpose, and wherein ANSYS-CFX is because its friendly interface, powerful pre-process and post-process function, and stable convergence, accurate result of calculation and have many interfaces that link to each other with other softwares, thereby application is comparatively extensive.But, when carrying out the numerical evaluation of vane pump Cavitation Problems, need artificial continuous reduction vane pump intake pressure border numerical value, until reach required cavitation number.This just needs researchist's concern frequently to calculate the state that carries out, and go out or during rest as the researchist, calculating convergence under one of them pressure also stops, make calculating enter next step owing to can't revise timely intake pressure numerical value this moment, this certainly will prolong the time of whole cavitation numerical procedure, so that the carrying out of incuring loss through delay sundry item.Therefore, set up a kind of computing method that can realize that vane pump cavitation numerical simulation is moved automatically, to realize carrying out continuously and automatically of whole numerical procedure, can shorten greatly the time that whole numerical procedure expends, have important practical significance.
Summary of the invention
For problems of the prior art, the object of the present invention is to provide a kind of vane pump cavitation numerical simulation automatic operation method based on ANSYS-CFX software that can realize the automatic modification of pressure boundary numerical value.
In order to achieve the above object, the present invention by the following technical solutions: a kind of vane pump cavitation numerical simulation automatic operation method based on ANSYS-CFX software, step comprises:
1) adopt 3D sculpting software to carry out the initial modeling of flow field regions, adopt grid to divide software and carry out the grid division, grid file is imported selection Steady computation schema among the ANSYS-CFX, set liquid phase physical property material water at 25C, pressure inlets, mass rate export boundary condition are set, set initial intake pressure boundary condition 100000Pa, choose turbulent flow computation model k-ε, condition of convergence 1e-4 is set, and the output suffix is the non-cavitating numerical evaluation file of def;
2) add vapour phase physical property material water vapor at 25C at above-mentioned non-cavitating numerical evaluation file, the boundary condition of import liquid phase component is made as 1, the boundary condition of vapor-phase composition is made as 0, select the cavitation model of ANSYS-CFX software, the cavitation numerical value calculation document of output suffix def by name is exported the file that the suffix that comprises all settings is called ccl by ANSYS-CFX software;
3) determine final required cavitation number σ, by formula σ=( P In - P v )/0.5 ρ l u 2 2 Calculate corresponding intake pressure value, wherein P InExpression intake pressure value is the numerical value of required calculating, P vThe expression saturated vapour pressure, ρ lThe expression fluid density, u 2The expression impeller circumferential speed, the researchist determines the vane pump cavitation numerical value design condition n that counts out, P 1=100000Pa, P n=P In, make 1≤m≤n-1, open the ccl file of the m time operating point output, the pressure value P m that wherein represents vane pump intake pressure boundary condition is revised as the required pressure value P of operating point numerical evaluation the m+1 time M+1, and deposit in addition this ccl file, set up successively all the other ccl files, until P n=P In, a newly-built file all is placed on above-mentioned file in this document folder;
4) a newly-built text document under above-mentioned file, in text document, write the installation path of ANSYS-CFX software, write the order of operation numerical evaluation file, the numerical evaluation file path of designated suffix def by name, write the order that changes the intake pressure boundary condition, the file path of designated suffix ccl by name, with calculate under the upper intake pressure condition finish after the initial fields of destination file when calculating under the next intake pressure condition of generation, write the order that number of cores is used in parallel computation;
5) preserve this auto.txt text document, and the suffix name name of text document is revised as bat, double-click the above-mentioned file of operation, computing machine carries out vane pump cavitation numerical evaluation with Automatically invoked ANSYS-CFX software, at first begin to carry out from the non-cavitating numerical evaluation, after this computation process finishes and generates destination file, ANSYS-CFX software will automatically perform the order of next line, can carry out continuously so that calculate, finally obtain the cavitation numerical result of each import boundary condition lower blade pump.
After adopting above-mentioned technical scheme, the present invention has following beneficial effect: 1. can thoroughly replace the researchist to calculate the work of revising the intake pressure boundary condition at every turn, make the researchist can carry out relievedly other work or rest; 2. can avoid loss of time of causing can't enter next calculation process the time owing in time not adjusting the intake pressure boundary condition fully; 3. can guarantee carrying out continuously and automatically of whole numerical procedure, thereby shorten to the full extent the time that whole numerical procedure expends.
Description of drawings
Fig. 1 is the process flow diagram of a kind of vane pump cavitation numerical simulation automatic operation method based on ANSYS-CFX software of the present invention;
Fig. 2 is centrifugal pump flow field regions three-dimensional modeling figure in the embodiment of the invention;
Fig. 3 is centrifugal pump flow field regions Structure Network trrellis diagram in the embodiment of the invention.
Embodiment
The below is further explained the present invention according to Figure of description and specific embodiment.
As shown in Figure 1, a kind of vane pump cavitation numerical simulation automatic operation method based on ANSYS-CFX software, step comprises:
1) adopt 3D sculpting software to carry out the initial modeling of flow field regions, adopt grid to divide software and carry out the grid division, grid file is imported selection Steady computation schema among the ANSYS-CFX, set liquid phase physical property material water at 25C, pressure inlets, mass rate export boundary condition are set, set initial intake pressure boundary condition 100000Pa, choose turbulent flow computation model k-ε, condition of convergence 1e-4 is set, and the output suffix is the non-cavitating numerical evaluation file of def;
2) add vapour phase physical property material water vapor at 25C at above-mentioned non-cavitating numerical evaluation file, the boundary condition of import liquid phase component is made as 1, the boundary condition of vapor-phase composition is made as 0, select the cavitation model of ANSYS-CFX software, the cavitation numerical value calculation document of output suffix def by name is exported the file that the suffix that comprises all settings is called ccl by ANSYS-CFX software;
3) determine final required cavitation number σ, by formula σ=( P In - P v )/0.5 ρ l u 2 2 Calculate corresponding intake pressure value, wherein P InExpression intake pressure value is the numerical value of required calculating, P vThe expression saturated vapour pressure, ρ lThe expression fluid density, u 2The expression impeller circumferential speed, the researchist determines the vane pump cavitation numerical value design condition n that counts out, P 1=100000Pa, P n=P In, make 1≤m≤n-1, open the ccl file of the m time operating point output, the pressure value P m that wherein represents vane pump intake pressure boundary condition is revised as the required pressure value P of operating point numerical evaluation the m+1 time M+1, and deposit in addition this ccl file, set up successively all the other ccl files, until P n=P In, a newly-built file all is placed on above-mentioned file in this document folder;
4) a newly-built text document under above-mentioned file, in text document, write the installation path of ANSYS-CFX software, write the order of operation numerical evaluation file, the numerical evaluation file path of designated suffix def by name, write the order that changes the intake pressure boundary condition, the file path of designated suffix ccl by name, with calculate under the upper intake pressure condition finish after the initial fields of destination file when calculating under the next intake pressure condition of generation, write the order that number of cores is used in parallel computation;
5) preserve this auto.txt text document, and the suffix name name of text document is revised as bat, double-click the above-mentioned file of operation, computing machine carries out vane pump cavitation numerical evaluation with Automatically invoked ANSYS-CFX software, at first begin to carry out from the non-cavitating numerical evaluation, after this computation process finishes and generates destination file, ANSYS-CFX software will automatically perform the order of next line, can carry out continuously so that calculate, finally obtain the cavitation numerical result of each import boundary condition lower blade pump.
Embodiment:
Centrifugal pump is a kind of of vane pump, a kind of centrifugal pump cavitation numerical simulation automatic operation method based on ANSYS-CFX software, and step comprises:
(1) adopt ANSYS-CFX software that centrifugal pump non-cavitating numerical evaluation file is set.Adopt Pro/E that the centrifugal pump flow field regions is carried out three-dimensional modeling, comprise the import and export extension, impeller and spiral case, as shown in Figure 2; Adopt grid to divide software stream field zone and carry out the grid division, as shown in Figure 3; Grid file is imported ANSYS-CFX select the Steady computation schema; Set liquid phase physical property material water at 25C; Adopt pressure inlets, mass rate export boundary condition, intake pressure is made as 100000Pa; Select turbulent flow computation model k-ε; Condition of convergence 1e-4 is set; Output calculation document pump.def;
(2) adopt ANSYS-CFX software that centrifugal pump cavitation numerical value calculation document is set.Based on previous step pump.def file, add vapour phase physical property material water vapor at 25C; Set import two phase component boundary conditions, liquid phase component is made as 1, and vapor-phase composition is made as 0; Set initial intake pressure boundary condition 100000Pa; The cavitation model of selecting ANSYS-CFX software to carry; Output calculation document pump_cav.def; Output comprises the cav.ccl file of all settings;
(3) adopt ANSYS-CFX software to set up the file that centrifugal pump cavitation numerical evaluation is moved required suffix ccl by name automatically.Determine final required cavitation number σ, and by formula σ=( P In - P v )/0.5 ρ l u 2 2 Calculating corresponding intake pressure value is 8000Pa; Determine that it is 7 that cavitation numerical value design condition is counted; Open the cav.ccl file of previous step output, find the force value of expression intake pressure boundary condition, it is revised as the required force value 70000Pa of next step numerical evaluation, and to deposit in addition this document be 70000.ccl.The like, set up all the other ccl file: 40000.ccl, 20000.ccl, 16000.ccl, 12000.ccl, 10000.ccl and 8000.ccl.At D packing catalogue new folder and called after pump, above-mentioned file all is placed in this document folder;
(4) set up the autoexec that to realize that the cavitation numerical simulation is moved automatically;
1. a newly-built text document under the pump file, and called after auto.txt;
2. specify the installation path of ANSYS-CFX software;
In auto.txt text document the first row, write the ANSYS-CFX software path:
PATH?c:\Program?Files\ANSYS?Inc\v121\CFX\bin\
3. write centrifugal pump non-cavitating numerical evaluation fill order;
Write as ordering at auto.txt text document the second row:
start/wait?cfx5solve.exe?-def?"D:\pump\pump.def"?-par-local?-partition?10
Centrifugal pump non-cavitating numerical evaluation is carried out in this order expression, will automatically generate destination file pump_001.res after the calculating convergence;
Wherein, start/wait cfx5solve.exe represents to start software ANSYS-CFX;
The path of-def " D: pump pump.def " expression centrifugal pump non-cavitating numerical evaluation file;
-par-local-computed 10 kernels of partition 10 expressions calculate.
4. write centrifugal pump cavitation numerical evaluation fill order;
Write as ordering at auto.txt text document the third line:
start/wait?cfx5solve.exe?-def?"D:\pump\pump_cav.def"?-ini?"D:\pump\pump_001.res"?-par-local?-partition?10
Centrifugal pump cavitation numerical procedure is carried out in this order expression, and calculates as initial fields with the non-cavitating numerical result, will automatically generate destination file pump_cav_001.res after the calculating convergence.Wherein ,-ini " D: pump pump_001.res " expression adopts the non-cavitating numerical result to calculate as cavitation numerical evaluation initial fields;
5. write the order that changes the centrifugal pump inlet pressure boundary condition;
Rise in auto.txt text document fourth line and to write as ordering:
start/wait?cfx5solve.exe?-def?"D:\pump\pump_cav.def"?-ccl?"D:\pump\70000.ccl"?-ini?"D:\pump\pump_cav_001.res"?-par-local?-partition?10
start/wait?cfx5solve.exe?-def?"D:\pump\pump_cav.def"?-ccl?"D:\pump\40000.ccl"?-ini?"D:\pump\pump_cav_002.ees"?-par-local?-partition?10
start/wait?cfx5solve.exe?-def?"D:\pump\pump_cav.def"?-ccl?"D:\pump\20000.ccl"?-ini?"D:\pump\pump_cav_003.res"?-par-local?-partition?10
start/wait?cfx5solve.exe?-def?"D:\pump\pump_cav.def"?-ccl?"D:\pump\16000.ccl"?-ini?"D:\pump\pump_cav_004.res"?-par-local?-partition?10
start/wait?cfx5solve.exe?-def?"D:\pump\pump_cav.def"?-ccl?"D:\pump\12000.ccl"?-ini?"D:\pump\pump_cav_005.res"?-par-local?-partition?10
start/wait?cfx5solve.exe?-def?"D:\pump\pump_cav.def"?-ccl?"D:\pump\10000.ccl"?-ini?"D:\pump\pump_cav_006.res"?-par-local?-partition?10
start/wait?cfx5solve.exe?-def?"D:\pump\pump_cav.def"?-ccl?"D:\pump\8000.ccl"?-ini?"D:\pump\pump_cav_007.res"?-par-local?-partition?10
This group command realizes automatically reducing the function of centrifugal pump inlet pressure boundary condition, and calculates as initial fields with the result of calculation of previous intake pressure value.Wherein ,-ccl " D: pump 70000.ccl " expression is revised as 70000Pa with the intake pressure value of centrifugal pump;
(5) the operation autoexec is realized the automatic operation of centrifugal pump cavitation numerical evaluation,
Preserve this auto.txt text document, and text document suffix name is revised as auto.bat, double-click operation this document.Computing machine carries out centrifugal pump cavitation numerical evaluation with Automatically invoked ANSYS-CFX software, whole computation process will begin to carry out from the non-cavitating numerical evaluation, after this computation process finishes and generates destination file, software will automatically perform the order of next line, can carry out continuously so that calculate, need not artificial adjustment, until all calculating are finished.Finally obtain the cavitation numerical result of centrifugal pump under each import boundary condition.

Claims (1)

1. vane pump cavitation numerical simulation automatic operation method based on ANSYS-CFX software is characterized in that step comprises:
1) adopt 3D sculpting software to carry out the initial modeling of flow field regions, adopt grid to divide software and carry out the grid division, grid file is imported selection Steady computation schema among the ANSYS-CFX, set liquid phase physical property material water at 25C, pressure inlets, mass rate export boundary condition are set, set initial intake pressure boundary condition 100000Pa, choose the turbulent flow computation model K-ε, condition of convergence 1e-4 is set, the output suffix is the non-cavitating numerical evaluation file of def;
2) add vapour phase physical property material water vapor at 25C at above-mentioned non-cavitating numerical evaluation file, the boundary condition of import liquid phase component is made as 1, the boundary condition of vapor-phase composition is made as 0, select the cavitation model of ANSYS-CFX software, the cavitation numerical value calculation document of output suffix def by name is exported the file that the suffix that comprises all settings is called ccl by ANSYS-CFX software;
3) determine final required cavitation number σ,By formula σ=( P In - P v )/0.5 ρ l u 2 2 Calculate corresponding intake pressure value, wherein P In Expression intake pressure value is the numerical value of required calculating, P v The expression saturated vapour pressure, ρ l The expression fluid density, u 2 The expression impeller circumferential speed, the researchist determines that vane pump cavitation numerical value design condition counts out n, P 1=100000Pa, P n= P In , make 1≤m≤n-1, open the ccl file of the m time operating point output, the pressure value P m that wherein represents vane pump intake pressure boundary condition is revised as the required pressure value P of operating point numerical evaluation the m+1 time M+1, and deposit in addition this ccl file, set up successively all the other ccl files, until P n= P In , a newly-built file all is placed on above-mentioned file in this document folder;
4) a newly-built text document under above-mentioned file, in text document, write the installation path of ANSYS-CFX software, write the order of operation numerical evaluation file, the numerical evaluation file path of designated suffix def by name, write the order that changes the intake pressure boundary condition, the file path of designated suffix ccl by name, with calculate under the upper intake pressure condition finish after the initial fields of destination file when calculating under the next intake pressure condition of generation, write the order that number of cores is used in parallel computation;
5) preserve this auto.txt text document, and the suffix name name of text document is revised as bat, double-click the above-mentioned file of operation, computing machine carries out vane pump cavitation numerical evaluation with Automatically invoked ANSYS-CFX software, at first begin to carry out from the non-cavitating numerical evaluation, after this computation process finishes and generates destination file, ANSYS-CFX software will automatically perform the order of next line, can carry out continuously so that calculate, finally obtain the cavitation numerical result of each import boundary condition lower blade pump.
CN201310241328.8A 2013-06-19 2013-06-19 A kind of vane pump cavitation numerical simulation automatic operation method based on ANSYS-CFX software Active CN103309727B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310241328.8A CN103309727B (en) 2013-06-19 2013-06-19 A kind of vane pump cavitation numerical simulation automatic operation method based on ANSYS-CFX software

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310241328.8A CN103309727B (en) 2013-06-19 2013-06-19 A kind of vane pump cavitation numerical simulation automatic operation method based on ANSYS-CFX software

Publications (2)

Publication Number Publication Date
CN103309727A true CN103309727A (en) 2013-09-18
CN103309727B CN103309727B (en) 2016-08-10

Family

ID=49134986

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310241328.8A Active CN103309727B (en) 2013-06-19 2013-06-19 A kind of vane pump cavitation numerical simulation automatic operation method based on ANSYS-CFX software

Country Status (1)

Country Link
CN (1) CN103309727B (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104573241A (en) * 2015-01-14 2015-04-29 北京理工大学 RP-3 aviation kerosene cavitation numerical simulation method
CN105114336A (en) * 2015-08-07 2015-12-02 扬州大学 Method for calculating cavitation performance of large-scale low-lift pump device
CN107301291A (en) * 2017-06-21 2017-10-27 河北工业大学 A kind of electromagnetic field based on esr process, temperature field and field of flow coupling finite element method
CN109214136A (en) * 2018-11-12 2019-01-15 扬州大学 A kind of axial-flow pump impeller blade tip clearance cavitation Numerical Predicting Method
CN110096812A (en) * 2019-05-05 2019-08-06 湖南凯利特泵业有限公司 A kind of cavitation performance of centrifugal pump automatic simulation method based on CFD platform
CN111400941A (en) * 2019-01-03 2020-07-10 江苏大学 Numerical prediction method for internal reflux and reflux vortex cavitation of vane pump
CN111797580A (en) * 2020-07-21 2020-10-20 中国航发湖南动力机械研究所 CFX software-based three-dimensional CFD automatic calculation method for turbine characteristics
CN114021278A (en) * 2021-11-05 2022-02-08 江苏大学 Full-automatic internal flow analysis method for hydraulic mechanical transition process
CN117216822A (en) * 2023-08-30 2023-12-12 长江水利委员会长江科学院 Method and system for batch processing of unsaturated zone water salt migration numerical simulation

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101956711A (en) * 2010-10-27 2011-01-26 江苏大学 Computational fluid dynamics (CFD)-based centrifugal pump multi-working condition hydraulic power optimization method
CN102214260A (en) * 2011-07-01 2011-10-12 太原科技大学 Parameterized computational analysis system for lubricating oil film of oil film bearing and operating method of parameterized computational analysis system
CN103077292A (en) * 2013-01-16 2013-05-01 江苏大学 Method for predicting hydraulic noise of centrifugal pump

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101956711A (en) * 2010-10-27 2011-01-26 江苏大学 Computational fluid dynamics (CFD)-based centrifugal pump multi-working condition hydraulic power optimization method
CN102214260A (en) * 2011-07-01 2011-10-12 太原科技大学 Parameterized computational analysis system for lubricating oil film of oil film bearing and operating method of parameterized computational analysis system
CN103077292A (en) * 2013-01-16 2013-05-01 江苏大学 Method for predicting hydraulic noise of centrifugal pump

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
C. SRIKANTH等: "Flow analysis in valve with moving grids through CFD techniques", 《ADVANCES IN ENGINEERING SOFTWARE 40 (2009)》, 3 June 2008 (2008-06-03), pages 193 - 201 *
王凯等: "离心泵叶轮轴面图的全自动CFD优化", 《农业工程学报》, vol. 27, no. 10, 31 October 2011 (2011-10-31), pages 39 - 43 *

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104573241A (en) * 2015-01-14 2015-04-29 北京理工大学 RP-3 aviation kerosene cavitation numerical simulation method
CN104573241B (en) * 2015-01-14 2017-11-17 北京理工大学 A kind of method for numerical simulation of the aviation kerosine cavitations of RP 3
CN105114336A (en) * 2015-08-07 2015-12-02 扬州大学 Method for calculating cavitation performance of large-scale low-lift pump device
CN107301291A (en) * 2017-06-21 2017-10-27 河北工业大学 A kind of electromagnetic field based on esr process, temperature field and field of flow coupling finite element method
CN109214136A (en) * 2018-11-12 2019-01-15 扬州大学 A kind of axial-flow pump impeller blade tip clearance cavitation Numerical Predicting Method
CN111400941A (en) * 2019-01-03 2020-07-10 江苏大学 Numerical prediction method for internal reflux and reflux vortex cavitation of vane pump
CN110096812A (en) * 2019-05-05 2019-08-06 湖南凯利特泵业有限公司 A kind of cavitation performance of centrifugal pump automatic simulation method based on CFD platform
CN111797580A (en) * 2020-07-21 2020-10-20 中国航发湖南动力机械研究所 CFX software-based three-dimensional CFD automatic calculation method for turbine characteristics
CN114021278A (en) * 2021-11-05 2022-02-08 江苏大学 Full-automatic internal flow analysis method for hydraulic mechanical transition process
CN117216822A (en) * 2023-08-30 2023-12-12 长江水利委员会长江科学院 Method and system for batch processing of unsaturated zone water salt migration numerical simulation

Also Published As

Publication number Publication date
CN103309727B (en) 2016-08-10

Similar Documents

Publication Publication Date Title
CN103309727A (en) Vane pump cavitation numerical simulation automatic operation method based on ANSYS-CFX software
CN103366067B (en) The method of simulation and prediction fluid torque-converter performance
Van Der Weide et al. Unsteady turbomachinery computations using massively parallel platforms
Satrio et al. The influence of time step setting on the CFD simulation result of vertical axis tidal current turbine
CN104166752A (en) Hydraulic torque converter full-flow-channel transient numerical simulation calculation method
Derakhshan et al. Optimization of GAMM Francis turbine runner
CN103970937A (en) Design method for improving cavitation performance of centrifugal pump
Quaranta Optimal rotational speed of Kaplan and Francis turbines with focus on low-head hydropower applications and dataset collection
CN103853884A (en) Method for predicting vibration performance of movable guide vane of water turbine
Tengs et al. Optimization procedure for variable speed turbine design
Lu et al. Application of the modified inverse design method in the optimization of the runner blade of a mixed-flow pump
Wang et al. A grid-adaptive simulation model for turbulent flow predictions
CN104299170B (en) Intermittent energy source mass data processing method
CN103970610A (en) Method for monitoring node flow of water supply network
Yangyang et al. Numerical analysis of a model pump-turbine internal flow behavior in pump hump district
Gohil et al. CFD: Numerical analysis and performance prediction in Francis turbine
CN104675713A (en) Centrifugal pump non-overload design method based on data sample
CN108304633A (en) Hydraulic Transient method for numerical simulation
Chen et al. 3-D Simulation of a prototype pump-turbine during starting period in turbine model
Lei et al. Analysis of the full flow field of torque converter
CN104917207B (en) A kind of optimization method of the Unit Commitment based on branch's cutting plane algorithm
Wang et al. 3-D numerical simulation on unsteady turbulent flow of rotational flow self-priming pump
CN110890769B (en) Method and system for determining frequency deviation of power system of new energy frequency modulation
CN110069853B (en) Centrifugal multistage compression thermodynamic system based on CAE integrated platform
CN114595644A (en) High-precision processing method for virtual hierarchical boundary in tree grid lattice boltzmann method

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant