CN107247835A - A kind of storage capacity calculates precision test method - Google Patents
A kind of storage capacity calculates precision test method Download PDFInfo
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- CN107247835A CN107247835A CN201710411144.XA CN201710411144A CN107247835A CN 107247835 A CN107247835 A CN 107247835A CN 201710411144 A CN201710411144 A CN 201710411144A CN 107247835 A CN107247835 A CN 107247835A
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Abstract
Precision test method is calculated the invention discloses a kind of storage capacity.It comprises the following steps：With concentric round platform modeling reservoir landform；N number of donut is constructed, as the model of simulation reservoir topographic contour, each annulus represents a contour, and the height value of contour is incremented by successively with arithmetic progression from the inside to the outside；According to round platform cubature formula, the theoretical displacement for obtaining simulation water storehouse is calculated, according to area formula of circle, obtains simulating the theoretical water surface area of reservoir；Method is calculated using the storage capacity of precision to be verified storage capacity calculation is carried out to simulation reservoir, obtain simulating the volume and water surface area of reservoir；Compare the theoretical displacement and theoretical reservoir surface area of simulation reservoir and volume and the water surface area that method is calculated are calculated using precision storage capacity to be verified, the storage capacity for calculating precision to be verified calculates the accuracy value of method.There is universality and storage capacity arithmetic accuracy is can verify that.
Description
Technical field
The present invention relates to water resource and optimizing scheduling of reservoir technical field, more specifically it is that a kind of storage capacity calculates precision
Verification method.
Background technology
Large reservoir storage-capacity curve is reservoir capacity adjustment and the basic foundation of management, and the change of storage capacity directly affects tune flood
Shi Shuiliang balance, is related to the performance of reservoir long-term benefit；In order to calculate reservoir capacity, storage-capacity curve is obtained,
There are a large amount of researchs for being directed to storage capacity computational methods；According to reservoir Type division, storage-capacity curve is divided into for the quiet of lake-like reservoir
Storage-capacity curve and the dynamic reservoir capacity curve for large-scale river-like reservoir.
According to the different complexity of reservoir landform, storage capacity computation model mainly has cross section method, contouring method, the triangulation network
Lattice method, square mesh method etc., these storage monitoring methods are based on infinitesimal calculus principle, river course reservoir are cut, piecemeal, then
Summation obtains storage capacity；Otherwise for dynamic reservoir capacity, existing utilization water-well drilling, combining space information technology is realized large-scale
The calculating of river-like reservoir dynamic reservoir capacity, Application No. 200810196840.4, patent name is《A kind of storage monitoring method》Just
Propose a kind of method that utilization remote sensing image and reservoir landform DEM monitor reservoir capacity.
As can be seen that the precision in order to improve storage capacity calculating, existing many scholars have carried out a series of research, and combine
The development of correlation technique, it is proposed that corresponding optimization storage capacity computational methods；However, so far, also no one kind can be verified
The method of different storage capacity arithmetic accuracies, and the precision that storage capacity is calculated as hydropower station, an important parameter of Flood Control Dispatch, its amount
Reservoir capacity adjustment and the validity of management are often directly influenced, it is significant；In the prior art, also not to storehouse
Capacity calculates the method that precision is verified, is just used if reservoir is invalidated, it is possible to cause storage capacity achievement confidence level not high, give
Key water control project design, operation management, reservoir operation, generating, flood control etc. cause the error in decision-making.
The content of the invention
Precision test method is calculated it is an object of the invention to provide a kind of storage capacity, with universality, existing storehouse can be solved
Hold algorithm can not verify precision, it is with a low credibility the problem of, be storage capacity calculate and storage-capacity curve good theory support is provided；Separately
The outer comparison that can also be used for carrying out different storage capacity algorithms precision, selects suitable storage capacity algorithm to provide decision-making for different engineerings
Support.
To achieve these goals, the technical scheme is that：A kind of storage capacity calculates precision test method, and its feature exists
In：Comprise the following steps：
Step 1：With concentric round platform modeling reservoir landform；Construct N number of donut, N >=3, as with simulating reservoir
The radius of the model of shape contour, wherein ring model is incremented by from the inside to the outside, that is, meets r1<r2<…<rk<…<rN, rkFor k-th
The radius of annulus, 1≤k≤N, each annulus represents a contour, the height value of contour from the inside to the outside with arithmetic progression according to
It is secondary incremental, that is, meet hk=h1+ (k-1) × d, hkFor the height value of kth bar contour, d ∈ R+；
Step 2：According to round platform cubature formula, the theoretical displacement V for obtaining simulation water storehouse is calculatedIt is theoretical, according to area formula of circle,
Obtain simulating the theoretical water surface area S of reservoirIt is theoretical；
Reservoir is simulated in elevation hkThe theoretical displacement at place isTheoretical water surface areaFor elevation hk-1~hkBetween round platform volume, calculation formula is：
Step 3：Method is calculated using the storage capacity of precision to be verified storage capacity calculation is carried out to simulation reservoir, obtain simulating reservoir
Volume V and water surface area S；
Step 4：Compare the theoretical displacement V of simulation reservoirIt is theoreticalWith theoretical water surface area SIt is theoreticalWith using precision storage capacity to be verified
The volume V and water surface area S for the reservoir that amount calculation method is calculated, calculate the volume relative error of simulation reservoirWater surface area relative errorThe storage capacity of precision i.e. to be verified calculates method
Accuracy value.
In the above-mentioned technical solutions, the model of reservoir landform is simulated for concentric round platform or concentric terrace with edge or concentration ellipse platform,
And the theoretical true value of the model volume can be calculated.
The invention has the advantages that：
(1) by Application of Spatial Information Technology in hydraulic engineering field, combining space information technology is simulated by constructing reservoir
Landform, as the standard for examining storage capacity algorithm, precision can not be verified, with a low credibility ask by effectively solving existing storage capacity algorithm
It is significant under topic, the higher and higher background of accuracy attention degree calculated in hydraulic engineering storage capacity；
(2) existing storage capacity arithmetic accuracy is examined has universality, is calculated for storage capacity and storage-capacity curve is provided well
Theory support；It can also be used for carrying out different storage capacity algorithms the comparison of precision in addition, be that different engineerings select suitable storehouse
Hold algorithm and decision support is provided.
Brief description of the drawings
Fig. 1 is that storage capacity of the present invention calculates precision test method flow diagram.
Fig. 2 is that the embodiment of the present invention simulates reservoir relief model schematic diagram.
Embodiment
The performance that the invention will now be described in detail with reference to the accompanying drawings, but they do not constitute limitation of the invention, only
It is for example.Make advantages of the present invention more clear by explanation simultaneously and be readily appreciated that.
Understood refering to accompanying drawing 1：A kind of storage capacity calculates precision test method, it is characterised in that：Comprise the following steps：
Step 1：With concentric round platform modeling reservoir landform；Construct N number of donut, N >=3, as with simulating reservoir
The radius of the model of shape contour, wherein ring model is incremented by from the inside to the outside, that is, meets r1<r2<…<rk<…<rN, rkFor k-th
The radius of annulus, 1≤k≤N, each annulus represents a contour, the height value of contour from the inside to the outside with arithmetic progression according to
It is secondary incremental, that is, meet hk=h1+ (k-1) × d, hkFor the height value of kth bar contour, d ∈ R+；
Step 2：According to round platform cubature formula, the theoretical displacement V for obtaining simulation water storehouse is calculatedIt is theoretical, according to area formula of circle,
Obtain simulating the theoretical water surface area S of reservoirIt is theoretical；
Reservoir is simulated in elevation hkThe theoretical displacement at place isTheoretical water surface areaFor elevation hk-1~hkBetween round platform volume, calculation formula is：
Step 3：Method is calculated using the storage capacity of precision to be verified storage capacity calculation is carried out to simulation reservoir, obtain simulating reservoir
Volume V and water surface area S；
Step 4：Compare the theoretical displacement V of simulation reservoirIt is theoreticalWith theoretical water surface area SIt is theoreticalWith using precision storage capacity to be verified
The volume V and water surface area S for the reservoir that amount calculation method is calculated, calculate the volume relative error of simulation reservoirWater surface area relative errorThe storage capacity of precision i.e. to be verified calculates method
Accuracy value.
The model of reservoir landform is simulated for concentric round platform or concentric terrace with edge or concentration ellipse platform, and the theory of the model volume
True value can be calculated.
Embodiment
The present invention is carried out in detail using the storage capacity computing module precision test of certain GIS software as embodiment
Illustrate, precision test is calculated equally with directive significance for the storage capacity of other storage capacity computational methods.
Step 1：With concentric irregular round platform simulation water storehouse landform；Construct a series of radius sizes irregularly incremental concentric
Annulus, annular radii from the inside to the outside irregularly be incremented by, be followed successively by 3.8m, 4.8m, 5.6m, 6.2m, 6.6m, 7.2m ...,
62.8m、63.0m、63.4m；Each annulus represents a contour, the height value of contour from the inside to the outside with arithmetic progression according to
Secondary incremental, excursion is 100m~198m, and depth displacement is 1m；Reservoir relief model is as shown in Figure 2.
Step 2：Reservoir is simulated in elevation hkThe theoretical displacement at place isTheoretical water surface areaFor elevation hk-1~hkBetween round platform volume, calculation formula is：
It is possible thereby to which the theoretical displacement and theoretical water surface area that calculate the simulation reservoir are as shown in table 1 below：
The theoretical displacement and theoretical water surface area of the simulation reservoir of table 1
Step 3：According to simulation reservoir contour lines creation reservoir topographic map, the storage capacity meter of certain GIS software is used as
Calculate module input landform face, set storage capacity calculate elevation as 101m~198m, interval 1m, calculate obtain volume of reservoir V and
Water surface area of reservoir S is as shown in table 2 below：
Table 2 calculates obtained volume of reservoir and the reservoir water surface using the storage capacity computing module of certain GIS software
Area
Step 4：Compare the theoretical displacement and theoretical water surface area of the simulation reservoir with being calculated using storage capacity algorithm amount to be verified
Reservoir volume and water surface area between difference, calculate simulation reservoir volume relative errorWater surface area relative errorObtain the precision of storage capacity algorithm to be verified
Value.
Table 3 simulates the volume relative error and water surface area relative error of reservoir
From above-mentioned table 3, the volume of the simulation reservoir obtained with the storage capacity computing module of certain GIS software
Relative error and water surface area relative error are respectively less than or equal to 0.0004%, and its result calculated meets WR project plan and set
Meter demand；Thus, the storage capacity computing module precision of certain GIS software is verified.
Other unaccounted parts belong to prior art.
Claims (2)
1. a kind of storage capacity calculates precision test method, it is characterised in that：Comprise the following steps：
Step 1：With concentric round platform modeling reservoir landform；N number of donut is constructed, N >=3 are used as simulation reservoir landform etc.
The radius of the model of high line, wherein ring model is incremented by from the inside to the outside, that is, meets r1<r2<…<rk<…<rN, rkFor k-th of annulus
Radius, 1≤k≤N, each annulus represents a contour, and the height value of contour is passed successively with arithmetic progression from the inside to the outside
Increase, that is, meet hk=h1+ (k-1) × d, hkFor the height value of kth bar contour, d ∈ R+；
Step 2：According to round platform cubature formula, the theoretical displacement V for obtaining simulation water storehouse is calculatedIt is theoretical, according to area formula of circle, obtain
Simulate the theoretical water surface area S of reservoirIt is theoretical；
Reservoir is simulated in elevation hkThe theoretical displacement at place isTheoretical water surface area For elevation hk-1~hkBetween round platform volume, calculation formula is：
Step 3：Method is calculated using the storage capacity of precision to be verified storage capacity calculation is carried out to simulation reservoir, obtain simulating the appearance of reservoir
Product V and water surface area S；
Step 4：Compare the theoretical displacement V of simulation reservoirIt is theoreticalWith theoretical water surface area SIt is theoreticalWith being calculated using precision storage capacity to be verified
The volume V and water surface area S for the reservoir that method is calculated, calculate the volume relative error of simulation reservoirWater surface area relative errorThe storage capacity of precision i.e. to be verified calculates method
Accuracy value.
2. a kind of storage capacity according to claim 1 calculates precision test method, it is characterised in that：Simulate the mould of reservoir landform
Type is concentric round platform or concentric terrace with edge or concentration ellipse platform, and the theoretical true value of the model volume can calculate.
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4091952A (en) * | 1968-12-03 | 1978-05-30 | Institut Francais Du Petrole Des Carburants Et Lubrifiants And Societe Anonyme Pour Tous | Tank structure for the storage and distribution of several fluids, particularly hydrocarbons |
| KR20150104290A (en) * | 2014-03-05 | 2015-09-15 | 주식회사 엔에스푸드 | Laver supplying apparatus |
| CN106372290A (en) * | 2016-08-29 | 2017-02-01 | 长江空间信息技术工程有限公司(武汉) | V-shaped watercourse storage capacity measurement and calculation method |
| CN106372341A (en) * | 2016-09-06 | 2017-02-01 | 长江水利委员会长江科学院 | Correction method of water level storage-capacity curve by adopting reservoir section method |
-
2017
- 2017-06-05 CN CN201710411144.XA patent/CN107247835B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4091952A (en) * | 1968-12-03 | 1978-05-30 | Institut Francais Du Petrole Des Carburants Et Lubrifiants And Societe Anonyme Pour Tous | Tank structure for the storage and distribution of several fluids, particularly hydrocarbons |
| KR20150104290A (en) * | 2014-03-05 | 2015-09-15 | 주식회사 엔에스푸드 | Laver supplying apparatus |
| CN106372290A (en) * | 2016-08-29 | 2017-02-01 | 长江空间信息技术工程有限公司(武汉) | V-shaped watercourse storage capacity measurement and calculation method |
| CN106372341A (en) * | 2016-09-06 | 2017-02-01 | 长江水利委员会长江科学院 | Correction method of water level storage-capacity curve by adopting reservoir section method |
Non-Patent Citations (2)
| Title |
|---|
| 王媛媛，段建刚: ""基于规则格网DEM计算水库库容方法研究"", 《吉林水利》 * |
| 齐锋: ""鸭河口水库库容 DEM 量算的适应性与精度分析"", 《人民长江》 * |
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