CN113697059A - Flexible design method for section connection of surface ship - Google Patents
Flexible design method for section connection of surface ship Download PDFInfo
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- CN113697059A CN113697059A CN202110919083.4A CN202110919083A CN113697059A CN 113697059 A CN113697059 A CN 113697059A CN 202110919083 A CN202110919083 A CN 202110919083A CN 113697059 A CN113697059 A CN 113697059A
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000010276 construction Methods 0.000 claims abstract description 29
- 230000011218 segmentation Effects 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims abstract description 3
- 210000001503 joint Anatomy 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B71/00—Designing vessels; Predicting their performance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B71/00—Designing vessels; Predicting their performance
- B63B71/10—Designing vessels; Predicting their performance using computer simulation, e.g. finite element method [FEM] or computational fluid dynamics [CFD]
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B73/00—Building or assembling vessels or marine structures, e.g. hulls or offshore platforms
- B63B73/10—Building or assembling vessels from prefabricated hull blocks, i.e. complete hull cross-sections
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/15—Vehicle, aircraft or watercraft design
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/20—Design optimisation, verification or simulation
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/18—Manufacturability analysis or optimisation for manufacturability
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Abstract
The invention relates to a flexible design method for section connection of a surface ship, which comprises the following steps: forming a total section segmentation scheme in a technical design stage of the overall design; in the construction design stage of the overall design, carrying out structural detailed design on the subsection according to a technical design total subsection division scheme; the sectional joint of the structural sectional three-dimensional model where the overall design is located adopts the dislocation principle knowledge of the three-dimensional marking plate and the aggregate; general principle knowledge of a segmented structure design scheme and segmented dislocation connection is simultaneously transferred to the downstream along with the model in the overall design; after receiving knowledge of a sectional structure design scheme and a sectional dislocation connection principle, a final assembly plant arranges and designs sectional dislocation connection nodes according to the actual conditions of the final assembly plant to form a production design structure sectional connection dislocation scheme. The invention flexibly designs the section connection of the water surface ship, not only can meet the requirement of the overall design on the structural performance, but also can adapt to the change brought by the on-site actual construction factor of the final assembly plant.
Description
Technical Field
The invention belongs to the technical field of water surface ship structure design, and particularly relates to a flexible design method for water surface ship section connection.
Background
In order to improve shipbuilding efficiency, regional construction and segmented shipbuilding are gradually implemented in main shipyards in China. Under the segmental shipbuilding mode, the general ship specification GJB4000-2000 clearly requires that the joint of the block segment of the surface ship, the longitudinal skeleton butt joint of the outer plate and the deck and the butt joint of the plates are relatively staggered by 200 mm. The sectional connection design comprises the position of a sectional seam, the staggered length and the staggered direction of the plate ribs, and the staggered direction of the plate ribs is closely related to the carrying and folding sequence of the sections. For the mode of the former 'one factory' (one overall design, one assembly factory for construction), the overall design will deliver the assembly factory after the segment dislocation connection design is finished, the assembly factory will carry out construction according to the scheme, and the assembly factory will have a small amount of segment carrying sequence changes due to the material arrival, equipment ordering, engineering progress and other reasons, which will result in the connection node needing to be adjusted, and the flow is detailed in the attached figure 1.
However, as the demand of naval for shipbuilding period is increasing, the mode of developing ships in "more plants" is spreading. Under the 'one-factory-multiple-factory' segmented shipbuilding mode, the construction modes and the construction capacities of different final assembly factories have different constraints on segmented connection design of the overall design, some constraints are even difficult to reconcile, and the overall design cannot form a uniform and fixed segmented connection scheme. Meanwhile, the material arrival sequence, the equipment ordering plan, the engineering progress and other factors of different final assembly plants are different, so that the workload of the collaborative design of the plants is inevitably greatly increased, and the precious labor cost and time cost are increased. The schematic flow chart of the sectional connection design in the mode of one station and two plants is shown in the attached figure 2.
In addition, the conventional work mode of "modeling by total design, modeling by total assembly plant, and massive coordination and confirmation by plant" is gradually replaced by Model Based Systems Engineering (MBSE), and there is currently no solution for "Model expression at segment joints in the mode of one plant and multiple plants".
Disclosure of Invention
The invention aims to solve the technical problems that in the prior art, under a 'one-factory and multi-factory' segmented shipbuilding mode, the segmented construction sequence of a surface ship cannot determine a uniform and fixed segmented staggered connection scheme due to the construction modes, material arrival sequence, outfitting sequence and the like of different shipyards in the overall design, and provides a flexible design method for segmented connection of the surface ship under the 'one-factory and multi-factory' segmented shipbuilding mode, which can not only ensure the requirement of segmented connection of the overall design, but also meet the requirement of different construction sequences of a plurality of general assembly factories, reduce the workload of collaborative design and improve the development efficiency of ships; meanwhile, the method simultaneously transmits the segmented connection design constraint knowledge and the three-dimensional model to the downstream, breaks through the working modes of modeling by a general design institute, overturning a general assembly plant and largely coordinating and confirming the plant, and provides a scheme for a new development mode of MBSE ships.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a flexible design method for section connection of a surface ship comprises the following steps:
step 2, at the construction design stage of the overall design, carrying out detailed structural design on the segments according to a technical design total segment segmentation scheme, wherein the butt joint of the segments is simply represented by 'flush joint' connection;
step 3, adopting the dislocation principle knowledge of the three-dimensional marking plate and the aggregate at the segmented joint of the segmented three-dimensional model of the structure where the overall design is located;
step 4, the general principle knowledge of the connection of the sectional structure design scheme and the sectional dislocation in the overall design is simultaneously transferred to the downstream along with the model;
and 5, after the final assembly plant receives knowledge of the sectional structure design scheme and the sectional dislocation connection principle, designing sectional dislocation connection nodes according to the construction mode, the construction capacity, the material on-site planning, the equipment ordering plan and the engineering progress arrangement of the final assembly plant to form a sectional connection dislocation scheme of the production design structure.
In the method, in the step 1, the total segment segmentation scheme marks positions of the total segment seam and the segmentation seam; the general principle knowledge of the subsection dislocation connection means that the principle of interlacing aggregate and plate materials is regulated.
In the method, in the step 2, the detailed structural design scheme is expressed by a three-dimensional model; the 'flush joint' connection means that the welding seam of the plate and the aggregate of a specific section is in the same position.
In the above method, in step 2, the segments include a deck segment, a platform segment, a broadside segment, and a bottom segment.
In the above method, in the step 3, the principle of misalignment of the segment connection is implemented in a three-dimensional model, which is a label based on model definition.
In the method, in the step 3, the dislocation principle of the segmented joints is marked on each plate or aggregate, and a lead connection model is provided.
In the above method, in step 3, the dislocation principle of the segmental joint includes that the segmental plate and the aggregate are dislocated by 200mm, the transverse member is dislocated by 150mm, and the panel is dislocated by 50 mm.
In the above method, in the step 4, the three-dimensional model containing knowledge of the principle of segment dislocation connection is transmitted to the downstream.
The invention has the beneficial effects that:
(1) the invention flexibly designs the section connection of the water surface ship, not only can meet the requirement of the overall design on the structural performance, but also can adapt to the change brought by the on-site actual construction factor of the final assembly plant.
(2) The invention provides a flexible design method for segmented connection for a one-station-multiple-station construction mode of a surface ship.
(3) Compared with the traditional section connection fixed design method of the surface ship, the invention provides design constraint knowledge for the whole ship, thereby facilitating flexible processing of assembly plants, reducing coordination of factors such as different construction modes, construction capabilities, engineering progress and the like between the whole ship and different assembly plants, greatly reducing workload of factory collaborative design and greatly improving collaborative work efficiency.
(4) The flexible design scheme provided by the invention is an idea of simultaneously transmitting design constraint knowledge and a three-dimensional model to the downstream, breaks through the working modes of modeling by an overall design institute, rollover by a final assembly plant and massive coordination and confirmation by the plant in the past, greatly reduces the workload of modeling by the final assembly plant, and provides a scheme for a model-based system engineering cooperation mode of a surface ship.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic flow diagram of a conventional "one-to-one plant" segment join design;
FIG. 2 is a schematic diagram of a conventional "one-site two-site" segment join design flow;
FIG. 3 is a schematic flow chart of the flexible design of "one plant and multiple plants" segment connection according to the present invention;
FIG. 4 illustrates a partial block partitioning scheme for a deck according to an embodiment of the present invention;
FIG. 5 is a construction design segmentation scheme of the overall design in an embodiment of the present invention;
FIG. 6 is a three-dimensional model labeling scheme for the overall design in an embodiment of the present invention;
FIG. 7 is a sequential time-phased connection of construction from end to end in accordance with an embodiment of the present invention;
FIG. 8 is a block diagram illustrating a block connection in a build sequence from beginning to end in an embodiment of the present invention;
figure 9 is a block diagram illustrating a middle-to-side build sequence of an embodiment of the present invention.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
As shown in fig. 3, a schematic flow chart of the flexible design method for the surface vessel segment connection proposed by the present invention is shown. As shown in fig. 4-9, this embodiment further describes the method of the present invention by taking the flexible design of the partial total segment of a certain deck as an example.
Step 2, at the construction design stage of the overall design, carrying out structural detailed design on the deck sections according to a technical design total section segmentation scheme, wherein the butt joints of the deck sections and the sections are connected by adopting 'flush joints', as shown in figure 5;
step 3, adopting the dislocation principle knowledge of the three-dimensional marking plate and the aggregate (including the transverse aggregate and the longitudinal aggregate) at the segmented joint of the structural segmented three-dimensional model where the overall design is located, if the knowledge is shown in FIG. 6;
step 4, the general principle knowledge of the deck section structure design scheme and the section dislocation connection is simultaneously transferred to the downstream along with the model in the overall design;
step 5, after receiving the deck section structure design scheme and general principle knowledge of section dislocation connection, the assembly plant determines a dislocation connection scheme between each section and each section by combining practical factors of the assembly plant, such as a construction guideline, a section assembly sequence of the sections, a material arrival sequence, an area outfitting sequence and the like, for example, when a construction sequence from tail to head is adopted, the section connection scheme shown in fig. 7 is adopted; when the construction sequence from head to tail is adopted, the segmented connection scheme shown in fig. 8 is adopted; when the construction sequence of the middle first and the two sides second is used, the segmental connection scheme shown in fig. 9 is used.
And finishing the flexible design of the deck section connection of the surface ship. The flexible design method of the subsection connection is also suitable for bottom subsection, side subsection and the like.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (8)
1. A flexible design method for section connection of a surface ship is characterized by comprising the following steps:
step 1, forming a total section segmentation scheme in a technical design stage of total design, wherein the total section segmentation scheme comprises general principle knowledge of total section seams, positions of the segmentation seams and segment staggered connection;
step 2, at the construction design stage of the overall design, carrying out detailed structural design on the segments according to a technical design total segment segmentation scheme, wherein the butt joint of the segments is simply represented by 'flush joint' connection;
step 3, adopting the dislocation principle knowledge of the three-dimensional marking plate and the aggregate at the segmented joint of the segmented three-dimensional model of the structure where the overall design is located;
step 4, the general principle knowledge of the connection of the sectional structure design scheme and the sectional dislocation in the overall design is simultaneously transferred to the downstream along with the model;
and 5, after the final assembly plant receives knowledge of the sectional structure design scheme and the sectional dislocation connection principle, designing sectional dislocation connection nodes according to the construction mode, the construction capacity, the material on-site planning, the equipment ordering plan and the engineering progress arrangement of the final assembly plant to form a sectional connection dislocation scheme of the production design structure.
2. The flexible design method for the ship segment connection of the surface vessel according to claim 1, wherein in the step 1, the total segment segmentation division scheme marks positions of a total segment seam and a segment seam; the general principle knowledge of the subsection dislocation connection means that the principle of interlacing aggregate and plate materials is regulated.
3. The flexible design method for the surface vessel segment connection according to claim 1, wherein in the step 2, the detailed structural design scheme is expressed by a three-dimensional model; the 'flush joint' connection means that the welding seam of the plate and the aggregate of a specific section is in the same position.
4. The flexible design method for surface vessel segment connection of claim 1, wherein in step 2, the segments comprise a deck segment, a platform segment, a side segment, and a bottom segment.
5. The flexible design method for the surface vessel segment connection according to claim 1, wherein in the step 3, the principle of dislocation at the segment connection is realized in a three-dimensional model, which is a label based on model definition.
6. The flexible design method for the connection of the sections of the surface vessel according to claim 5, wherein in the step 3, the dislocation principle of the connection of the sections is marked on each plate or aggregate and a lead connection model is provided.
7. The flexible design method for the connection of the segments of the surface vessel according to claim 1, wherein in the step 3, the dislocation principle of the connection of the segments comprises 200mm dislocation of the segmented plate and the aggregate, 150mm dislocation of the cross member and 50mm dislocation of the panel.
8. The flexible design method for the segmental connection of the surface vessel according to claim 1, wherein the step 4 is implemented by transmitting a three-dimensional model containing knowledge of the segmental dislocation connection principle to the downstream.
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