CN106498896A - A kind of reservoir operation process analogy method being coupled with Sedimentation - Google Patents
A kind of reservoir operation process analogy method being coupled with Sedimentation Download PDFInfo
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- CN106498896A CN106498896A CN201610804631.8A CN201610804631A CN106498896A CN 106498896 A CN106498896 A CN 106498896A CN 201610804631 A CN201610804631 A CN 201610804631A CN 106498896 A CN106498896 A CN 106498896A
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Abstract
The invention discloses a kind of reservoir operation process analogy method being coupled with Sedimentation, including step：Step 1, collects the data such as reservoir river topography, warehouse-in water sand, reservoir regulation mode；Step 2, sets up reservoir d Unsteady Water Flow sediment hydrodynamic model；Step 3, is met the reservoir level (or letdown flow) of reservoir regulation mode requirement using the hydrodynamic force module in reservoir d Unsteady Water Flow sediment hydrodynamic model using the method for tentative calculation repeatedly；Calculated reservoir level (or letdown flow) is calculated reservoir area Sedimentation as outlet border, obtains new river topography by step 4；Step 5, repeats implementation steps 3 and step 4 on the basis of the calculated new landform of step 4 until calculating cycle terminates, finally obtains the reservoir operation process in whole calculating cycle.The present invention can solve the problem that impact problem of the real-time Sedimentation change procedure of reservoir to reservoir operation process, can provide technical support for reservoir operation.
Description
Technical field
The present invention relates to hydraulic engineering technical field, more particularly to a kind of reservoir operation mistake being coupled with Sedimentation
Journey analogy method.
Background technology
The regulation and operation mode of reservoir is related to the performance of reservoir comprehensive benefit, carries out reservoir regulation mode and scheduling process
Simulation for research reservoir regulation mode optimization and its affects significant.During reservoir scheduling, warehouse-in flow and sediment, reservoir area
Landform etc. is all being continually changing, and carries out reservoir runoff regulation, scouring and silting in reservoir prediction calculating, reservoir outbound water sand process
Prediction, reservoir operation run influence research to generating shipping etc. of controlling flood etc., are required for studying and simulating reservoir scheduling process.Water
The accurate simulation of storehouse scheduling process is related to reservoir operation operation and its affects accuracy and the reliability of anticipation.Carry out reservoir
Water sand study on regulation is conducive to reservoir to play comprehensive benefit and keep effective storage to supply life-time service, joins with regard to water and sediment in reservoir at present
Conjunction scheduling, the research of Multiobjective Optimal Operation are also relatively more, but for a long time, reservoir operation is more to be laid particular emphasis on to runoff process
Be adjusted, less consideration impact of the Sediment Siltation to scheduling process, or be more reservoir operation to be studied to Sedimentation
Impact, impact of the less consideration Sedimentation to reservoir operation process, and in fact, the two is that all occurring mutually at the moment
Affect.
Prior art mainly carries out runoff regulation according to reservoir regulation mode using storage-capacity curve first, is counted
Reservoir operation process (upstream water level process and letdown flow process) in the calculation cycle, then using the reservoir operation process that obtains
Carry out scouring and silting in reservoir calculating.The deficiency that prior art is present includes：Storage-capacity curve is used when seeking reservoir operation process, is not had
Consideration Sediment Siltation affects, and does not also account for the true defeated of reservoir area unsteady flow and moves past journey, is based on water balance thought and perseverance
A kind of result of calculation of the simplification of constant current thought.Calculating cycle is longer and during larger Reservoir Sedimentation, prior art meter
Calculation process is not inconsistent with real process, and computational solution precision is relatively low.
Content of the invention
The invention mainly solves the technical problem of providing a kind of reservoir operation process simulation being coupled with Sedimentation
Method, can solve the problem that prior art cannot reflect that reservoir area Sediment Siltation affects, and calculating process is not inconsistent with real process, computational accuracy
Relatively low problem.
For solving above-mentioned technical problem, one aspect of the present invention is：One kind and Sedimentation phase coupling are provided
The reservoir operation process analogy method of conjunction, it comprises the following steps：
Step 1, collects the data such as reservoir river topography, warehouse-in water sand, reservoir regulation mode；
Step 2, sets up reservoir d Unsteady Water Flow sediment hydrodynamic model；
Step 3, the side for adopting tentative calculation repeatedly using the hydrodynamic force module in reservoir d Unsteady Water Flow sediment hydrodynamic model
Method is met the reservoir level or letdown flow of reservoir regulation mode requirement；
Calculated reservoir level or letdown flow are calculated reservoir area Sedimentation as outlet border by step 4, are obtained new
River topography；
Step 5, repeats implementation steps 3 and step 4 on the basis of the calculated new landform of step 4 until calculating cycle is tied
Beam, finally obtains the reservoir operation process in whole calculating cycle.
In step 2, institute's established model fundamental equation is:
Current continuity equation
Water movement equation
Suspended sediment continuity equation
Suspended load river-bed deformation equation
In formula：ω is silt-settling velocity；Footmark i is section number；Q is flow；A is discharge area；T is the time；X is along flow process
Coordinate；Z is water level；K is section hydromodulus；S is silt content；S*For River Sediment Carrying Capacity；ρ ' is drift dry density；B is disconnected
Face width；G is acceleration of gravity；α is restoration ＆ saturation coefficient；AdFor suspended load change in bed level area；
The outlet border control condition of reservoir d Unsteady Water Flow sediment hydrodynamic model is upstream water level or letdown flow.
In step 3, reservoir operation module is set up, according to reservoir filling mode, reservoir drawdown mode, generating in scheduling mode
Scheduling mode, navigation mode, flood season operational mode, previously given first upstream water level or letdown flow, then adopt water
Hydrodynamic force module in the d Unsteady Water Flow sediment hydrodynamic model of storehouse calculates corresponding letdown flow or upstream water level, and counts
Calculate reservoir exert oneself, reservoir level luffing, letdown flow luffing etc., when result of calculation is unsatisfactory for scheduling mode requirement, then change it
Front given upstream water level or letdown flow are recalculated and meet reservoir regulation mode requirement until result of calculation.
In step 4, using step 3 tentative calculation is obtained repeatedly the upstream water level or letdown flow that meet scheduling mode requirement as
Outlet border, calculates the punching of reservoir area silt using the Sedimentation computing module in reservoir d Unsteady Water Flow sediment hydrodynamic model
Become silted up, obtain new river topography.
In step 5, repeat implementation steps 3 and step 4, reservoir ground based on the new landform of the calculated reservoir of step 4
Shape is being constantly updated, and reservoir operation process is simulated based on the landform that constantly updates and is calculated.
The invention has the beneficial effects as follows：The present invention can overcome the shortcomings of that prior art is present, and the present invention can reflect reservoir area
Sediment Siltation and the defeated impact moved to reservoir operation result of reservoir area unsteady flow, calculating process more conform to reality, can improve water
The simulation computational accuracy of storehouse scheduling process, is that optimizing scheduling of reservoir and water sand combined dispatching provide technical support, the inventive method
The simulation for being equally applicable to other large-scale river-like reservoir scheduling processes is calculated.
Description of the drawings
Fig. 1 is the Three Gorges Reservoir Heavenly Stems and Earthly Branches fluid stream channel location drawing.
Fig. 2 is a kind of reservoir operation process analogy method flow chart being coupled with Sedimentation of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings presently preferred embodiments of the present invention is described in detail, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, apparent clearly defines so as to make to protection scope of the present invention.
One aspect of the present invention is：A kind of reservoir operation process simulation being coupled with Sedimentation is provided
Method, it are comprised the following steps：
Step 1, collects the data such as reservoir river topography, warehouse-in water sand, reservoir regulation mode；
Step 2, sets up reservoir d Unsteady Water Flow sediment hydrodynamic model；
Step 3, the side for adopting tentative calculation repeatedly using the hydrodynamic force module in reservoir d Unsteady Water Flow sediment hydrodynamic model
Method is met the reservoir level or letdown flow of reservoir regulation mode requirement；
Calculated reservoir level or letdown flow are calculated reservoir area Sedimentation as outlet border by step 4, are obtained new
River topography；
Step 5, repeats implementation steps 3 and step 4 on the basis of the calculated new landform of step 4 until calculating cycle is tied
Beam, finally obtains the reservoir operation process in whole calculating cycle.
In step 2, institute's established model fundamental equation is:
Current continuity equation
Water movement equation
Suspended sediment continuity equation
Suspended load river-bed deformation equation
In formula：ω is silt-settling velocity；Footmark i is section number；Q is flow；A is discharge area；T is the time；X is along flow process
Coordinate；Z is water level；K is section hydromodulus；S is silt content；S*For River Sediment Carrying Capacity；ρ ' is drift dry density；B is disconnected
Face width；G is acceleration of gravity；α is restoration ＆ saturation coefficient；AdFor suspended load change in bed level area；
The outlet border control condition of reservoir d Unsteady Water Flow sediment hydrodynamic model is upstream water level or letdown flow.
In step 3, reservoir operation module is set up, according to reservoir filling mode, reservoir drawdown mode, generating in scheduling mode
Scheduling mode, navigation mode, flood season operational mode, previously given first upstream water level or letdown flow, then adopt water
Hydrodynamic force module in the d Unsteady Water Flow sediment hydrodynamic model of storehouse calculates corresponding letdown flow or upstream water level, and counts
Calculate reservoir exert oneself, reservoir level luffing, letdown flow luffing etc., when result of calculation is unsatisfactory for scheduling mode requirement, then change it
Front given upstream water level or letdown flow are recalculated and meet reservoir regulation mode requirement until result of calculation.
In step 4, using step 3 tentative calculation is obtained repeatedly the upstream water level or letdown flow that meet scheduling mode requirement as
Outlet border, calculates the punching of reservoir area silt using the Sedimentation computing module in reservoir d Unsteady Water Flow sediment hydrodynamic model
Become silted up, obtain new river topography.
In step 5, repeat implementation steps 3 and step 4, reservoir ground based on the new landform of the calculated reservoir of step 4
Shape is being constantly updated, and reservoir operation process is simulated based on the landform that constantly updates and is calculated.
Embodiments of the invention are the foregoing is only, the scope of the claims of the present invention is not thereby limited, every using this
Equivalent structure or equivalent flow conversion that bright description and accompanying drawing content are made, or directly or indirectly it is used in other related skills
Art field, is included within the scope of the present invention.
Claims (5)
1. the reservoir operation process analogy method that a kind of and Sedimentation is coupled, it is characterised in that comprise the following steps：
Step 1, collects reservoir river topography, warehouse-in water sand, reservoir regulation mode data；
Step 2, sets up reservoir d Unsteady Water Flow sediment hydrodynamic model；
Step 3, is obtained using the method for tentative calculation repeatedly using the hydrodynamic force module in reservoir d Unsteady Water Flow sediment hydrodynamic model
To the reservoir level or letdown flow that meet reservoir regulation mode requirement；
Calculated reservoir level or letdown flow are calculated reservoir area Sedimentation as outlet border, obtain new river by step 4
Road landform；
Step 5, repeats implementation steps 3 and step 4 on the basis of the calculated new landform of step 4 until calculating cycle terminates,
Finally obtain the reservoir operation process in whole calculating cycle.
2. the reservoir operation process analogy method that according to claim 1 a kind of and Sedimentation is coupled, its feature exist
In in step 2, institute's established model fundamental equation is:
Current continuity equation
Water movement equation
Suspended sediment continuity equation
Suspended load river-bed deformation equation
In formula：ω is silt-settling velocity；Footmark i is section number；Q is flow；A is discharge area；T is the time；X is to sit along flow process
Mark；Z is water level；K is section hydromodulus；S is silt content；S*For River Sediment Carrying Capacity；ρ ' is drift dry density；B is section
Width；G is acceleration of gravity；α is restoration ＆ saturation coefficient；AdFor suspended load change in bed level area；
The outlet border control condition of reservoir d Unsteady Water Flow sediment hydrodynamic model is upstream water level or letdown flow.
3. the reservoir operation process analogy method that according to claim 1 a kind of and Sedimentation is coupled, its feature exist
In in step 3, setting up reservoir operation module, according to reservoir filling mode, reservoir drawdown mode, power generation dispatching in scheduling mode
Mode, navigation mode, flood season operational mode, previously given first upstream water level or letdown flow, then adopt reservoir one
Hydrodynamic force module in dimension unsteady flow sediment hydrodynamic model calculates corresponding letdown flow or upstream water level, and calculates water
Storehouse is exerted oneself, reservoir level luffing, letdown flow luffing etc., when result of calculation is unsatisfactory for scheduling mode requirement, then gives before changing
Fixed upstream water level or letdown flow are recalculated and meet reservoir regulation mode requirement until result of calculation.
4. the reservoir operation process analogy method that according to claim 1 a kind of and Sedimentation is coupled, its feature exist
In in step 4, using step 3 tentative calculation is obtained repeatedly the upstream water level or letdown flow that meet scheduling mode requirement as outlet
Border, calculates reservoir area Sedimentation using the Sedimentation computing module in reservoir d Unsteady Water Flow sediment hydrodynamic model, obtains
Arrive new river topography.
5. the reservoir operation process analogy method that according to claim 1 a kind of and Sedimentation is coupled, its feature exist
In, in step 5, based on the new landform of the calculated reservoir of step 4, repeating implementation steps 3 and step 4, reservoir landform is not
Disconnected renewal, reservoir operation process are simulated based on the landform that constantly updates and are calculated.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731909A (en) * | 2017-04-13 | 2018-11-02 | 中国海洋大学 | There is the device of pressure reversing current in a kind of simulation ocean |
| CN108867569A (en) * | 2018-07-12 | 2018-11-23 | 中国地质科学院探矿工艺研究所 | Natural dredging debris flow sand dam and application thereof |
| CN110543731A (en) * | 2019-09-05 | 2019-12-06 | 黄河勘测规划设计研究院有限公司 | water-sand separate scheduling simulation method and system for high-sand-content river reservoir |
| CN111626564A (en) * | 2020-04-28 | 2020-09-04 | 长江水利委员会长江科学院 | Method for rapidly generating open-drain sand-discharging scheduling scheme of reservoir camera |
| CN111622171A (en) * | 2020-06-19 | 2020-09-04 | 黄河水利委员会黄河水利科学研究院 | Reservoir and/or river channel erosion simulation system based on mathematical model and physical model |
| CN113591411A (en) * | 2021-08-09 | 2021-11-02 | 长江水利委员会水文局长江三峡水文水资源勘测局 | Reservoir sediment accumulation prediction method |
| CN114438952A (en) * | 2022-01-24 | 2022-05-06 | 中国长江三峡集团有限公司 | Test simulation system and test simulation method for reservoir sand peak scheduling |
| CN114861571A (en) * | 2022-07-07 | 2022-08-05 | 中国长江三峡集团有限公司 | Dynamic boundary calculation method and device for river channel type reservoir and storage medium |
| CN115600527A (en) * | 2022-12-15 | 2023-01-13 | 广东广宇科技发展有限公司（Cn） | Reservoir operation state prediction analysis method based on reservoir environment data |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103679285A (en) * | 2013-11-29 | 2014-03-26 | 河海大学 | Reservoir group combined operation scheduling system and method for improving river and lake relationship |
| CN103761583A (en) * | 2014-01-07 | 2014-04-30 | 中国长江三峡集团公司 | Reservoir sediment ejection power generation multi-target optimized dispatching method |
-
2016
- 2016-09-06 CN CN201610804631.8A patent/CN106498896B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103679285A (en) * | 2013-11-29 | 2014-03-26 | 河海大学 | Reservoir group combined operation scheduling system and method for improving river and lake relationship |
| CN103761583A (en) * | 2014-01-07 | 2014-04-30 | 中国长江三峡集团公司 | Reservoir sediment ejection power generation multi-target optimized dispatching method |
Non-Patent Citations (2)
| Title |
|---|
| 吴巍: "多泥沙河流供水水库水沙联合优化调度的研究与应用", 《西北农林科技大学学报（自然科学版）》 * |
| 金文: "基于泥沙冲淤数值模拟的水库调度方案研究", 《水利水电技术》 * |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108731909A (en) * | 2017-04-13 | 2018-11-02 | 中国海洋大学 | There is the device of pressure reversing current in a kind of simulation ocean |
| CN108867569A (en) * | 2018-07-12 | 2018-11-23 | 中国地质科学院探矿工艺研究所 | Natural dredging debris flow sand dam and application thereof |
| CN110543731A (en) * | 2019-09-05 | 2019-12-06 | 黄河勘测规划设计研究院有限公司 | water-sand separate scheduling simulation method and system for high-sand-content river reservoir |
| CN110543731B (en) * | 2019-09-05 | 2021-03-05 | 黄河勘测规划设计研究院有限公司 | Water-sand separate scheduling simulation method and system for high-sand-content river reservoir |
| CN111626564B (en) * | 2020-04-28 | 2022-05-17 | 长江水利委员会长江科学院 | Method for rapidly generating open-drain sand-discharging scheduling scheme of reservoir camera |
| CN111626564A (en) * | 2020-04-28 | 2020-09-04 | 长江水利委员会长江科学院 | Method for rapidly generating open-drain sand-discharging scheduling scheme of reservoir camera |
| CN111622171A (en) * | 2020-06-19 | 2020-09-04 | 黄河水利委员会黄河水利科学研究院 | Reservoir and/or river channel erosion simulation system based on mathematical model and physical model |
| CN113591411A (en) * | 2021-08-09 | 2021-11-02 | 长江水利委员会水文局长江三峡水文水资源勘测局 | Reservoir sediment accumulation prediction method |
| CN113591411B (en) * | 2021-08-09 | 2023-11-28 | 长江水利委员会水文局长江三峡水文水资源勘测局 | Reservoir sediment accumulation prediction and forecast method |
| CN114438952A (en) * | 2022-01-24 | 2022-05-06 | 中国长江三峡集团有限公司 | Test simulation system and test simulation method for reservoir sand peak scheduling |
| CN114438952B (en) * | 2022-01-24 | 2023-05-16 | 中国长江三峡集团有限公司 | Test simulation system and test simulation method for reservoir Sha Feng dispatching |
| CN114861571A (en) * | 2022-07-07 | 2022-08-05 | 中国长江三峡集团有限公司 | Dynamic boundary calculation method and device for river channel type reservoir and storage medium |
| CN115600527A (en) * | 2022-12-15 | 2023-01-13 | 广东广宇科技发展有限公司（Cn） | Reservoir operation state prediction analysis method based on reservoir environment data |
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