CN105447909B - The construction method and system of self-defined three-dimensional ship model - Google Patents
The construction method and system of self-defined three-dimensional ship model Download PDFInfo
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Abstract
The present invention relates to a kind of constructing system and method for self-defined three-dimensional ship model, this method includes：Obtain ship parameter data and establish three-dimensional ship model；Quiet hydraulic gauge data are obtained, and the three-dimensional ship model to being established carries out process of refinement；Obtain propeller data and establish model propeller, the model propeller established is added in the three-dimensional ship model through process of refinement；And ship real-time status data is obtained according to the three-dimensional ship model, and utilize floading condition, stability and the intensity of algorithm Ship '.Three-dimensional ship model is built by ship parameter data, the deficiency of quiet hydraulic gauge data continuity is made up using the continuity of three-dimensional ship model data, the three-dimensional ship model of structure is corrected using the high accuracy of quiet hydraulic gauge data again, so that data of the three-dimensional ship model closer to true hull, the authenticity and computational accuracy of three-dimensional ship model are improved.
Description
Technical field
The present invention relates to ship model to build field, refers in particular to a kind of construction method of self-defined three-dimensional ship model and is
System.
Background technology
Current floading condition calculation of loading relies on the quiet hydraulic gauge that designing unit provides.The data volume that quiet hydraulic gauge provides has
Limit obtains real data, it is necessary to carry out interpolation to data.The data degradation brought during this influences the accurate of floating condition calculation
Degree.Some numerical results of the calculating of stability and longitudinal strength dependent on floating condition calculation.Floating condition calculation loss of accuracy causes ship
Whole module precision of oceangoing ship calculation of loading are glided, and very big influence is caused to the safe for operation of ship.
The content of the invention
A kind of the defects of it is an object of the invention to overcome prior art, there is provided structure side of self-defined three-dimensional ship model
Method and system, solves existing floading condition, stability and intensity using hydrostatic power table Ship ' due to the data volume of quiet hydraulic gauge
It is limited and the accuracy brought declines, and then the problem of impacted safely to vessel motion.
Realizing the technical scheme of above-mentioned purpose is：
A kind of construction method of self-defined three-dimensional ship model of the present invention, including：
Ship parameter data are obtained, three-dimensional ship model is established according to acquired ship parameter data；
Quiet hydraulic gauge data are obtained, essence is carried out to the three-dimensional ship model established using acquired quiet hydraulic gauge data
Micronization processes, to make the three-dimensional ship model tend to actual Vessel's Description；
Obtain propeller data and establish model propeller according to acquired propeller data, the propeller that will be established
Model is added in the three-dimensional ship model through process of refinement；And
Ship real-time status data is obtained according to the three-dimensional ship model, and utilizes the floading condition of algorithm Ship ', steady
Property and intensity.
Three-dimensional ship model is built by ship parameter data, is made up using the continuity of three-dimensional ship model data quiet
The deficiency of hydraulic gauge data continuity, and the three-dimensional ship model of structure is corrected using the high accuracy of quiet hydraulic gauge data, make
Three-dimensional ship model closer to the data of true hull, improve the authenticity and computational accuracy of three-dimensional ship model, and then
The accuracy rate of the floading condition calculated using three-dimensional ship model, stability and intensity results is improved, improves vessel motion peace comprehensively
Full property and economy.And three-dimensional ship model has preferable intuitive, result of calculation can significantly be shown.
The self-defined three-dimensional ship model of the present invention construction method further improvement is that, obtain ship parameter data,
Including：
The table of offsets data of ship are obtained, each waterline curvilinear function collection and each vertical is built according to acquired table of offsets data
Hatching line curvilinear function collection is to be used as ship parameter data.
The self-defined three-dimensional ship model of the present invention construction method further improvement is that, obtain ship parameter data,
Including：
Obtain Bonjean's curves data；
It is to be used as interval using erect-position as interval or using rib position to judge the Bonjean's curves data；
If the Bonjean's curves data using erect-position as interval, obtain with erect-position distinguish data acquisition system, and using erect-position as
Sequence, different draft hull width set are worth to from drinking water according to area, and then obtain the vertical stations curve letter by erect-position
Manifold is closed to be used as ship parameter data；
If the Bonjean's curves data are obtained with the data acquisition system of rib digit separator using rib position as interval, and using rib position as
Sequence, different draft hull width set are worth to from drinking water according to area, and then obtain the vertical stations curve letter by rib position
Manifold is closed to be used as ship parameter data.
The self-defined three-dimensional ship model of the present invention construction method further improvement is that, utilize acquired hydrostatic power
Table data carry out process of refinement to the three-dimensional ship model of foundation, including：
The hull between drinking water value T1 and drinking water value T2 adjacent in the quiet hydraulic gauge data is seen as stage body, using eating
Volume differences between water number T1, drinking water value T2 and drinking water value T1 and drinking water value T2 calculate site and bottom in the stage body height
The area S1 of the parallel section in face；
Three-dimensional ship model according to being established calculates corresponding drinking water value T1 and drinking water value T2 middle position drinking water value TMiddle position's
Area of section S2；
Judge whether the area of section S2 is equal with the area S1 of the section of the stage body, if unequal, with described
The area S1 of the section of stage body corrects the area of section S2 on the three-dimensional ship model；If equal, do not deal with；
Repeat the above steps until all drinking water values in the hydrostatic force data are carried out to the three-dimensional ship model
Cross amendment.
Present invention also offers a kind of constructing system of self-defined three-dimensional ship model, including：
Data storage cell, for storage vessel supplemental characteristic, quiet hydraulic gauge data and propeller data；
Ship modeling unit, it is connected with the data storage cell, for reading the ship parameter data and according to institute
The ship parameter data of reading establish three-dimensional ship model；
Process of refinement unit, it is connected with the data storage cell and the ship modeling unit, it is described for reading
The quiet hydraulic gauge data and three-dimensional ship model established according to the quiet hydraulic gauge data read to the ship modeling unit enters
Row process of refinement, to make the three-dimensional ship model tend to actual Vessel's Description；
Propeller modeling unit, it is connected with the data storage cell, for reading the propeller data and according to institute
The propeller data of reading establish model propeller；
Model treatment unit, it is connected with the process of refinement unit and the propeller modeling unit, for by described in
The model propeller that propeller modeling unit is established is added to the three-dimensional ship mould that the process of refinement cell processing is crossed
In type；And
Computing unit, it is connected with the model treatment unit, for according to the three-dimensional ship model for adding model propeller
Obtain ship real-time status data and calculate the floading condition, stability and intensity of ship.
The self-defined three-dimensional ship model of the present invention constructing system further improvement is that, in addition to deposited with the data
First inverse operation unit of storage unit connection, the first inverse operation unit are used to be built according to the ship table of offsets data of input
Go out each waterline curvilinear function collection and each buttocks curvilinear function collection, and by constructed each waterline curvilinear function collection and each buttocks
Curvilinear function collection is as ship parameter data storage to the data storage cell.
The self-defined three-dimensional ship model of the present invention constructing system further improvement is that, in addition to deposited with the data
Second inverse operation unit of storage unit connection, the second inverse operation unit are used to be pressed according to the Bonjean's curves data acquisition of input
The vertical stations curvilinear function set of erect-position presses the vertical stations curvilinear function set of rib position to be used as ship parameter
Data are as ship parameter data and store to the data storage cell.
The self-defined three-dimensional ship model of the present invention constructing system further improvement is that, the process of refinement unit
Including the first computing module, the second computing module, comparison module and correcting module,
First computing module is connected with the data storage cell, adjacent in quiet hydraulic gauge data for calculating
The area S1 of the site section parallel with bottom surface in the stage body height formed between drinking water value T1 and drinking water value T2；
Second computing module is connected with the model treatment unit and first computing module, described for calculating
Drinking water value T1 and drinking water value T2 middle position drinking water value T is corresponded on three-dimensional ship modelMiddle positionArea of section S2；
The comparison module is connected with first computing module and second computing module, for more described first
Whether the area S1 that computing module is drawn and second computing module area of section S2 drawn are equal, if equal, do not make
Processing, if unequal, revision directive is sent to the correcting module；
The correcting module is connected with the comparison module, for the revision directive that is sent according to the comparison module to institute
State three-dimensional ship model to modify, the area of section S2 on the three-dimensional ship model is corrected with area S1.
Brief description of the drawings
Fig. 1 is the system block diagram of the constructing system of the self-defined three-dimensional ship model of the present invention.
Fig. 2 is the flow chart of the construction method of the self-defined three-dimensional ship model of the present invention.
Fig. 3 is to obtain the one of ship parameter data in the construction method of the self-defined three-dimensional ship model of the present invention preferably to implement
The flow chart of example.
Fig. 4 obtains the another preferably real of ship parameter data in the construction method for self-defined three-dimensional ship model of the invention
Apply the flow chart of example.
Fig. 5 is the flow chart that body lines function set is calculated in Fig. 4.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
The invention provides the constructing system and method for self-defined three-dimensional ship model, is provided for ship closer to true ship
The three-dimensional ship model of body, the navigation safety and load-carrying safety of analysis ship are calculated using three-dimensional ship model, has and calculates number
According to continuity, the deficiency of quiet hydraulic gauge data continuity compensate for.The constructing system of the self-defined three-dimensional ship model of the present invention
And method also uses being modified in high precision to the three-dimensional ship model of foundation for quiet hydraulic gauge data, improves three-dimensional ship mould
The computational accuracy of type, more accurate method of ship floating condition, stability, intensity data is calculated using corrected three-dimensional ship model.
The constructing system and method for the self-defined three-dimensional ship model of the present invention are illustrated below in conjunction with the accompanying drawings.
Refering to Fig. 1, it is shown that the system block diagram of the constructing system of the self-defined three-dimensional ship model of the present invention.With reference to figure
1, the constructing system of the self-defined three-dimensional ship model of the present invention is illustrated.
As shown in figure 1, the constructing system of the self-defined three-dimensional ship model of the present invention includes data storage cell 11, ship is built
The inverse fortune of form unit 12, process of refinement unit 13, propeller modeling unit 14, model treatment unit 15, computing unit 16, first
The inverse operation unit 18 of unit 17 and second is calculated, the internal memory of data storage cell 11 contains ship parameter data, quiet hydraulic gauge number
According to and propeller data.Ship modeling unit 12 is connected with data storage cell 11, for reading in data storage cell 11
Ship parameter data and establish three-dimensional ship model according to the ship parameter data of reading.Process of refinement unit 13 and data
Memory cell 11 and ship modeling unit 12 connect, for reading the quiet hydraulic gauge data of the memory storage of data storage cell 11, root
The three-dimensional ship model established according to the quiet hydraulic gauge data of reading to ship modeling unit 12 carries out process of refinement, to make three-dimensional
Ship model tends to actual Vessel's Description.Propeller modeling unit 14 is connected with data storage cell 11, is deposited for reading data
Propeller data in storage unit 11 simultaneously establish model propeller according to the propeller data read.Model treatment unit 15 with
Process of refinement unit 13 and propeller modeling unit 14 connect, for the model propeller for establishing propeller modeling unit 14
It is added on the three-dimensional ship model that the process of refinement of process of refinement unit 13 is crossed.Computing unit 16 and model treatment unit 15
Connection, the three-dimensional ship model for being exported according to model treatment unit 15 obtain the data of ship real-time status and calculate ship
Floading condition, stability and the intensity of oceangoing ship.
Established three-dimensional ship model is utilized, the method for ship floating condition under free position can be calculated, it is close in the absence of data point
The limitation of degree.Details engraving is carried out to the three-dimensional ship model of foundation using quiet hydraulic gauge data, obtains improved three-dimensional ship
Model so that three-dimensional ship model more close to the virtual condition of ship, improves computational accuracy.
The ship parameter data stored in data storage cell 11 come from table of offsets data or Bonjean's curves data, root
The ship parameter data established needed for ship model are instead released according to table of offsets data or Bonjean's curves data.Pass through input block
The table of offsets data of ship are inputted, the table of offsets data form ship parameter number by the inverse operation of the first inverse operation unit 17
According to the first inverse operation unit 17 is connected with data storage cell 11, and each water is constructed according to the ship table of offsets data of input
Line curvilinear function collection and each buttocks curvilinear function collection, and by constructed each waterline curvilinear function collection and each buttocks curve letter
Manifold is as ship parameter data storage in data storage cell 11.The Bonjean's curves number of ship is inputted by input block
According to the Bonjean's curves data form ship parameter data by the inverse operation of the second inverse operation unit 18, second inverse operation
Unit 18 is connected with data storage cell 11, and body lines function set is calculated as ship according to the Bonjean's curves data of input
Oceangoing ship supplemental characteristic, the calculating of the body lines function set include judging the Bonjean's curves data be using erect-position as interval or with
If rib position using erect-position as interval, then first obtains the data acquisition system distinguished with erect-position as interval, then using erect-position as sequence, root
Different draft hull width set are worth to from drinking water according to area, and then are obtained by erect-position vertical stations curvilinear function collection cooperation
For ship parameter data；If using rib position as interval, then first obtain with the data acquisition system of rib digit separator, then using rib position as sequence,
Different draft hull width set are worth to from drinking water according to area, and then obtained by the vertical stations curvilinear function set of rib position
As ship parameter data.Second inverse operation unit 18 will be by erect-position vertical stations curvilinear function set as ship parameter number
According to storing into data storage cell 11 or will be deposited by the vertical stations curvilinear function set of rib position as ship parameter data
Storage is into data storage cell 11.Quiet hydraulic gauge data and propeller data in data storage cell 11 are to pass through input block
The data of input, quiet hydraulic gauge data and propeller data therein come from design cell, and quiet hydraulic gauge data are design cell
The floating condition calculation form of output, it can be found using current vessel displacement, drinking water and trim in quiet hydraulic gauge accordingly
Multinomial ships data (such as hull position), the data in quiet hydraulic gauge are more accurate, it is characterized in that drinking water value is close, data are smart
Degree is high, but data are not comprehensive enough, the defects of data volume is limited be present, and the span of the drinking water in quiet hydraulic gauge is ship type
Deep proper subclass, must carry out interpolation calculation for the data not in table, so just counteract the computational accuracy of quiet hydraulic gauge.
Ship modeling unit 12 is built according to the anti-ship parameter data for pushing away acquisition of table of offsets data or Bonjean's curves data
Vertical three-dimensional ship model, because data origin information point is less, lacks the concern to hull details and unsmooth point, is established
Three-dimensional ship model belongs to bareboat model, and the three-dimensional ship model being built such that will be less than hydrostatic power in the computational accuracy of standard point
Table.
To solve the problems, such as that established three-dimensional ship model is less than quiet hydraulic gauge in the computational accuracy of standard point, the present invention
Employ process of refinement unit 13 and details engraving and fine is carried out using quiet hydraulic gauge data to the three-dimensional ship model of foundation
Change is handled, and uses propeller modeling unit 14 to add model propeller for three-dimensional ship model so that three-dimensional ship model more connects
Nearly true hull data.Quiet hydraulic gauge data have the characteristics of jumping characteristic, and the quiet hydraulic gauge data under usual state exist different
Trim Trim divides table, and the relation of quiet hydraulic gauge and the quiet hydraulic gauge under certain trim is H=∑s h, and H is total quiet hydraulic gauge, and h is vertical for certain
Quiet hydraulic gauge under inclining.Process of refinement unit 13 enters according to the data of the quiet hydraulic gauge under each trim to three-dimensional ship model
Row process of refinement, the process of refinement unit 13 include the first computing module, the second computing module, comparison module, Yi Jixiu
Positive module, the first computing module are connected with data storage cell 11, for calculating drinking water value adjacent in quiet hydraulic gauge data
Ship surface area S1 between T1 and drinking water value T2.Second computing module is connected with the computing module of model treatment unit 15 and first,
Drinking water value T1 and drinking water value T2 middle position drinking water value T are corresponded on three-dimensional ship model for calculatingMiddle positionHull area S2.Compare
Module is connected with the first computing module and the second computing module, the surface area S1 and second drawn for comparing the first computing module
Whether the hull area S2 that computing module is drawn is equal, if equal, does not deal with, if unequal, sends revision directive extremely
Correcting module, to make correcting module be modified three-dimensional ship model.Correcting module is connected with comparison module, for according to than
The revision directive sent compared with module is modified to three-dimensional ship model, with the hull on surface area S1 amendment three-dimensional ship models
Area S2 so that three-dimensional ship model is closer actual.First computing module divides all trims in quiet hydraulic gauge data to table
In all data carry out one time calculating, sequentially calculated two-by-two, first calculate drinking water value T1 and drinking water value T2, then calculate
Drinking water value T2 and drinking water value T3, data all in the quiet hydraulic gauge under the trim is traveled through successively three-dimensional ship model is integrally entered
Row process of refinement.
Below by trim Trim=0 divide table exemplified by calculated, remaining trim divides table to use identical calculating side
Method.In this example, quiet hydraulic gauge chooses data source since 4m, in quiet hydraulic gauge data trim Trim at intervals of 0.5m,
T is absorbed water at intervals of 0.02m.First, quiet hydraulic gauge data acquisition system during trim Trim=0 is obtained, is ranked up with drinking water, h=∑s
T, h be current trim under quiet hydraulic gauge, T for drinking water (Draft), include in quiet hydraulic gauge drinking water value T and with drinking water value T
Corresponding bulking value V, referring to table 1, it is shown that partial set form in quiet hydraulic gauge data.
| T | DISP | VOLUME |
| 4 | 11303 | 10984 |
| 4.02 | 11375 | 11053 |
| 4.04 | 11446 | 11123 |
| 4.06 | 11518 | 11192 |
Table 1：Partial data set form in the quiet hydraulic gauge that trim is 0
First computing module takes drinking water value T1=4.00m, drinking water value T2=4.02m, then calculates adjacent drinking water value T1
Hull volume differences between drinking water value T2 are V1=11053-10984=69m3.Then by between drinking water value T1 and drinking water value T2
Hull see stage body as, calculate the area S1 of the section that site is parallel with bottom surface in the stage body height：
Second computing module takes drinking water value T1 and drinking water value T2 middle position drinking water value TMiddle position, TMiddle position=(T1+T2)/2, according to ship
Current quiet hydraulic gauge trim, drinking water value T is calculated in the three-dimensional ship model that oceangoing ship modeling unit 12 is establishedMiddle positionWhen section face
Product S2.
Comparing unit compares hull area S2 and column body surface area S1, if hull area S2 is not equal to column body surface area
S1, then be modified to three-dimensional ship model, be modified by correcting module, and specific practice is：According to S1/S2 ratio,
S2 is integrally zoomed in or out corresponding ratio, is obtained through the revised ship three-dimensional ship models of S1.Under current trim
Quiet hydraulic gauge traversal after the completion of, continue to move down the traversal of quiet hydraulic gauge under trim, by the amendment that ∑ ∑ h (T-1) is secondary, finally
Obtain by the revised three-dimensional ship model of quiet hydraulic gauge.
Floating condition calculation module, Calculation of Stability module and Strength co-mputation module, floating condition calculation mould are provided with computing unit 16
Block is used to obtain ships data according to the three-dimensional ship model after optimization and calls algorithm to be calculated, and obtains high-precision floading condition
Result of calculation.Based on three-dimensional ship model of the Calculation of Stability module after according to optimization obtains ships data and calls algorithm to carry out
Calculate, obtain high-precision Calculation of Stability result.Strength co-mputation module is used to obtain ship according to the three-dimensional ship model after optimization
Data simultaneously call algorithm to be calculated, and obtain high-precision strength Calculation Result.
The construction method of the self-defined three-dimensional ship model of the present invention is illustrated below.
As shown in Fig. 2 the construction method of the self-defined three-dimensional ship model of the present invention includes：
Step S21 is performed, obtains ship parameter data, ship parameter data through type value table data or Bonjean's curves number
According to being back-calculated to obtain.As shown in figure 3, obtaining ship parameter data using counter push away of table of offsets data, step S31 is performed, reads offset
Table data, step S32 is then performed, each waterline curvilinear function collection is built, each waterline is constructed according to the table of offsets data of reading
Curvilinear function collection, step S33 is then performed, each buttocks curvilinear function collection is built, is constructed according to the table of offsets data of reading
Each buttocks curvilinear function collection, constructed each waterline curvilinear function collection and each buttocks curvilinear function collection are ship parameter number
According to smooth hull model can be fitted according to each waterline curvilinear function collection and each buttocks curvilinear function collection.It is as shown in figure 4, sharp
Ship parameter data are obtained with counter push away of Bonjean's curves data, step S41 is performed, reads Bonjean's curves data, then perform step
S42, body lines function set is calculated, the body lines function set is ship parameter data, can be according to the body lines letter
Manifold, which is closed, is fitted smooth hull model.Body lines function set, which is calculated, to be included, as shown in figure 5, performing step S51, is judged
Bonjean's curves using erect-position or rib position as interval, if Bonjean's curves data using erect-position as interval if then perform step S52, if
Bonjean's curves data then then perform step S55 by interval of rib position.Step S52 is performed, obtains the data set distinguished with erect-position
Close, perform step S53, using erect-position as sequence, different draft hull width set are worth to from drinking water according to area, perform step
S54, obtain by erect-position vertical stations curvilinear function set, should be used as ship by the set of erect-position vertical stations curvilinear function
Supplemental characteristic.Step S55 is performed, obtains, with the data acquisition system of rib digit separator, step S56 being performed, using rib position as sequence, according to area
The set of different draft hull width is worth to from drinking water, step S57 is performed, obtains by rib position vertical stations curvilinear function collection
Close, this is pressed the vertical stations curvilinear function set of rib position and is used as ship parameter data.Then step S22 is performed.
Step S22 is performed, three-dimensional ship model is established, three-dimensional ship mould is established according to acquired ship parameter data
Type.As shown in figure 3, if ship parameter data push away acquisition using table of offsets data are counter, step S34 is performed, according to each of structure
Waterline curvilinear function collection and each buttocks curvilinear function collection are fitted smooth hull model, perform step S35, data export, output
The smooth hull model of fitting.As shown in figure 4, if ship parameter data push away acquisition using Bonjean's curves data are counter, step is performed
Rapid S43, smooth hull model is fitted according to body lines function set is calculated, performs step S44, data export, output is intended
The smooth hull model closed.Then step S23 is performed.
Step S23 is performed, propeller, quiet hydraulic gauge data is obtained, propeller data and hydrostatic power is obtained from designing unit
Table data.Then step S24 is performed.
Step S24 is performed, three-dimensional ship model becomes more meticulous, using acquired quiet hydraulic gauge data to the three-dimensional established
Ship model carries out process of refinement, to make three-dimensional ship model tend to actual Vessel's Description.Due to table of offsets data or nation
It is few data origin information point to be present in the ship parameter data that army curve data is formed, and lacks hull details, the three-dimensional at institute's foundation
Ship model is smooth hull model, therefore, using the high precision of quiet hydraulic gauge data, the three-dimensional ship model of foundation is entered
Row amendment, it can obtain closer to the three-dimensional ship model after the optimization of true hull data.Using quiet hydraulic gauge data to building
Vertical three-dimensional ship model, which carries out process of refinement, to be included：By between drinking water value T1 adjacent in quiet hydraulic gauge data and drinking water value T2
Hull see stage body as, calculated using the volume differences between drinking water value T1, drinking water value T2 and drinking water value T1 and drinking water value T2
The area S1 of the site section parallel with bottom surface in stage body height；Three-dimensional ship model according to being established calculates corresponding drinking water
Value T1 and drinking water value T2 middle position drinking water value TMiddle positionArea of section S2；Judge whether area of section S2 is equal with area S1, if not
It is equal, then with the hull area S2 on area S1 amendment three-dimensional ship models；If equal, do not deal with；Repeat the above steps
Until all drinking water values in hydrostatic force data carried out amendment to three-dimensional ship model.Quiet hydraulic gauge data have jumping characteristic
The characteristics of, different trim Trim be present and divide table, quiet hydraulic gauge and the hydrostatic under certain trim in the quiet hydraulic gauge data under usual state
The relation of power table is H=∑s h, and H is total quiet hydraulic gauge, and h is the quiet hydraulic gauge under certain trim.According to the hydrostatic power under each trim
The data of table carry out process of refinement to three-dimensional ship model.Three-dimensional ship model is become more meticulous using quiet hydraulic gauge data
The principle of processing is identical with the principle in the constructing system of self-defined three-dimensional ship model, for details, reference can be made to the reality in said system
Example, will not be repeated here.
Model propeller is established using acquired propeller data, the model propeller established is added into the place that becomes more meticulous
In the three-dimensional ship model of reason, to improve three-dimensional ship model data computational accuracy.Then step S25 is performed.
Step S25 is performed, obtains ship real-time status data, the real-time status number of ship is obtained according to three-dimensional ship model
According to three-dimensional ship model can calculate the floading condition of the ship under free position, in the absence of the limitation of data dot density.Then perform
Step S26.
Perform step S26, floating condition calculation, using acquisition ship real-time status data and according to algorithm carry out method of ship floating condition
Calculating.Then step S27 is performed.
Perform step S27, Calculation of Stability, using acquisition ship real-time status data and according to algorithm carry out vessel stability
Calculating.Then step S28 is performed.
Perform step S28, Strength co-mputation, using acquisition ship real-time status data and according to algorithm carry out ships strength
Calculating.Then step S29 is performed.
Step S29 is performed, exports result of calculation.The floading condition, stability and intensity of calculating are exported.
The constructing system of the self-defined three-dimensional ship model of the present invention and having the beneficial effect that for method：
By establishing three-dimensional ship model, existing data do not connect when solving the existing calculation method of ship floating condition using hydrostatic power meter
The problem of continuous property, three-dimensional ship model solves the discontinuous problem of ships data, the data of three-dimensional ship model well
Dot density is unrestricted.The intuitive of data display is improved, structure can will be calculated and significantly show.
Three-dimensional ship model is modified by quiet hydraulic gauge data, data computational accuracy is improved, improves ship comprehensively
The security and economy of operation.
The present invention is described in detail above in association with accompanying drawing embodiment, those skilled in the art can be according to upper
State and bright many variations example is made to the present invention.Thus, some details in embodiment should not form limitation of the invention, this
Invention will be used as protection scope of the present invention using the scope that appended claims define.
Claims (6)
- A kind of 1. construction method of self-defined three-dimensional ship model, it is characterised in that including：Ship parameter data are obtained, three-dimensional ship model is established according to acquired ship parameter data；Quiet hydraulic gauge data are obtained, the three-dimensional ship model established is become more meticulous using acquired quiet hydraulic gauge data Processing, to make the three-dimensional ship model tend to actual Vessel's Description；Process of refinement is carried out to the three-dimensional ship model of foundation using acquired quiet hydraulic gauge data, including：See the hull between drinking water value T1 and drinking water value T2 adjacent in the quiet hydraulic gauge data as stage body, be worth using drinking water Volume differences between T1, drinking water value T2 and drinking water value T1 and drinking water value T2 calculate site and bottom surface in the stage body height and put down The area S1 of capable section；Three-dimensional ship model according to being established calculates corresponding drinking water value T1 and drinking water value T2 middle position drinking water value TMiddle positionSection Area S2；Judge whether the area of section S2 is equal with the area S1 of the section of the stage body, if unequal, with the stage body The area S1 of section correct area of section S2 on the three-dimensional ship model；If equal, do not deal with；Repeat the above steps until all drinking water values in the quiet hydraulic gauge data were carried out to the three-dimensional ship model Amendment；Obtain propeller data and establish model propeller according to acquired propeller data, the model propeller that will be established Add in the three-dimensional ship model through process of refinement；AndObtain ship real-time status data according to the three-dimensional ship model, and using the floading condition of algorithm Ship ', stability, with And intensity.
- 2. the construction method of self-defined three-dimensional ship model as claimed in claim 1, it is characterised in that obtain ship parameter number According to, including：The table of offsets data of ship are obtained, each waterline curvilinear function collection and each buttocks are built according to acquired table of offsets data Curvilinear function collection is to be used as ship parameter data.
- 3. the construction method of self-defined three-dimensional ship model as claimed in claim 1, it is characterised in that obtain ship parameter number According to, including：Obtain Bonjean's curves data；It is to be used as interval using erect-position as interval or using rib position to judge the Bonjean's curves data；If the Bonjean's curves data using erect-position as interval, obtain the data acquisition system distinguished with erect-position, and using erect-position as sequence, root Different draft hull width set are worth to from drinking water according to area, and then obtain the vertical stations curvilinear function set by erect-position To be used as ship parameter data；If the Bonjean's curves data are obtained with the data acquisition system of rib digit separator using rib position as interval, and using rib position as sequence, root Different draft hull width set are worth to from drinking water according to area, and then obtain the vertical stations curvilinear function set by rib position To be used as ship parameter data.
- A kind of 4. constructing system of self-defined three-dimensional ship model, it is characterised in that including：Data storage cell, for storage vessel supplemental characteristic, quiet hydraulic gauge data and propeller data；Ship modeling unit, it is connected with the data storage cell, for reading the ship parameter data and according to being read Ship parameter data establish three-dimensional ship model；Process of refinement unit, it is connected with the data storage cell and the ship modeling unit, for reading the hydrostatic Power table data and the three-dimensional ship model established according to the quiet hydraulic gauge data read to the ship modeling unit carry out smart Micronization processes, to make the three-dimensional ship model tend to actual Vessel's Description；Propeller modeling unit, it is connected with the data storage cell, for reading the propeller data and according to being read Propeller data establish model propeller；Model treatment unit, it is connected with the process of refinement unit and the propeller modeling unit, for by the spiral The model propeller that oar modeling unit is established is added on the three-dimensional ship model that the process of refinement cell processing is crossed； AndComputing unit, it is connected with the model treatment unit, for being obtained according to the three-dimensional ship model for adding model propeller Ship real-time status data and the floading condition, stability and intensity for calculating ship；The process of refinement unit includes the first computing module, the second computing module, comparison module and correcting module,First computing module is connected with the data storage cell, for calculating drinking water adjacent in quiet hydraulic gauge data The area S1 of the site section parallel with bottom surface in the stage body height formed between value T1 and drinking water value T2；Second computing module is connected with the model treatment unit and first computing module, for calculating the three-dimensional Drinking water value T1 and drinking water value T2 middle position drinking water value T is corresponded on ship modelMiddle positionArea of section S2；The comparison module is connected with first computing module and second computing module, is calculated for more described first Whether the area S1 that module is drawn and second computing module area of section S2 drawn are equal, if equal, do not deal with, If unequal, revision directive is sent to the correcting module；The correcting module is connected with the comparison module, for the revision directive that is sent according to the comparison module to described three Dimension ship model is modified, and the area of section S2 on the three-dimensional ship model is corrected with area S1.
- 5. the constructing system of self-defined three-dimensional ship model as claimed in claim 4, it is characterised in that also include and the number The the first inverse operation unit connected according to memory cell, the first inverse operation unit are used for the ship table of offsets data according to input Construct each waterline curvilinear function collection and each buttocks curvilinear function collection, and by constructed each waterline curvilinear function collection and each vertical Hatching line curvilinear function collection is as ship parameter data storage to the data storage cell.
- 6. the constructing system of self-defined three-dimensional ship model as claimed in claim 4, it is characterised in that also include and the number The the second inverse operation unit connected according to memory cell, the second inverse operation unit are used to be obtained according to the Bonjean's curves data of input The vertical stations curvilinear function set by erect-position or the vertical stations curvilinear function set by rib position are taken to be used as ship Supplemental characteristic is simultaneously stored to the data storage cell.
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| CN108763691A (en) * | 2018-05-18 | 2018-11-06 | 中国舰船研究设计中心 | Weight of ship statistical method based on threedimensional model |
| CN108647462A (en) * | 2018-05-18 | 2018-10-12 | 中国舰船研究设计中心 | Ship section the moment of inertia computational methods based on threedimensional model |
| CN108959695B (en) * | 2018-05-18 | 2022-11-11 | 中国舰船研究设计中心 | Ship pipeline system weight distribution statistical method based on three-dimensional model |
| CN110844000B (en) * | 2019-11-27 | 2021-01-15 | 上海船舶研究设计院（中国船舶工业集团公司第六0四研究院） | Ship anchoring control method, control device, control system and electronic equipment |
| CN111581736A (en) * | 2020-06-08 | 2020-08-25 | 北京神舟航天软件技术有限公司 | Unmanned aerial vehicle simulation system |
| CN113642099B (en) * | 2021-07-06 | 2023-11-17 | 上海外高桥造船有限公司 | TribonM 3-based precision table assisted graph system |
| CN115042933A (en) * | 2022-04-27 | 2022-09-13 | 广船国际有限公司 | Method, device, equipment and medium for outputting ship stability parameters |
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