CN113919069A - Ship base modeling method, system, medium and electronic device - Google Patents
Ship base modeling method, system, medium and electronic device Download PDFInfo
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- CN113919069A CN113919069A CN202111174905.7A CN202111174905A CN113919069A CN 113919069 A CN113919069 A CN 113919069A CN 202111174905 A CN202111174905 A CN 202111174905A CN 113919069 A CN113919069 A CN 113919069A
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Abstract
The invention provides a ship base modeling method, a ship base modeling system, a ship base modeling medium and electronic equipment, wherein the method comprises the steps of obtaining an installation grillage theoretical plane of ship equipment and a projection contour line of the ship equipment on the installation grillage theoretical plane; and acquiring the orientation of the ship base profile and combining the orientation with the projection profile to generate a base plate frame model and generate a base supporting profile model to complete base modeling. The ship base modeling method, the ship base modeling system, the medium and the electronic equipment can automatically identify parameters required by ship equipment base modeling, and can be matched with a corresponding structure for reinforcement, so that the design efficiency of ship base and structure reinforcement is improved, and the design quality of the base and structure reinforcement is improved.
Description
Technical Field
The invention relates to the technical field of ship modeling, in particular to a ship base modeling method, a ship base modeling system, a ship base modeling medium and electronic equipment.
Background
The ship system is complex, the number of equipment is large, especially for large complex ships, the number of equipment and bases is huge, and how to intelligently design, quickly arrange and adjust the bases is a difficult problem.
At present, the design method of equipment base mainly refers to the design based on base standard, drawing and sample, the type selection and arrangement, the design method of the complicated repeatability who relies on engineer's energy and experience completely makes base design inefficiency and design quality difficult to guarantee, thereby lead to the base design to become in the ship design work that the degree of difficulty is great, work load is huge, and hull structure needs carry out the matching design of strengthening according to the base, simultaneously, the collaborative design scheme that hull and outfitting professional's base were strengthened still get the modeling in three-dimensional model after cooperating through the two-dimensional drawing, collaborative inefficiency (CATIA), and under the untimely condition of notice, easily cause strengthen the modification in time and cause the wrong scheduling problem.
Therefore, an efficient base design method is needed to be provided for the above problems, so that a computer generates an equipment base through automatic identification, matched structure reinforcement and a corresponding management and control method. Therefore, the design efficiency of the base and the reinforcement is improved, and the design quality of the base and the reinforcement is improved.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, an object of the present invention is to provide a ship base modeling method, system, medium and electronic device, which are used to solve the problems of low ship base modeling efficiency and high error rate in the prior art.
To achieve the above and other related objects, the present invention provides a ship foundation modeling method, including: acquiring a theoretical plane of an installation plate frame of ship equipment and a projection contour line of the ship equipment on the theoretical plane of the installation plate frame; and acquiring the orientation of the ship base profile and combining the orientation with the projection profile to generate a base plate frame model and generate a base supporting profile model to complete base modeling.
In an embodiment of the present invention, a distance interference check is performed based on the installation surface of the ship equipment to obtain the installation grillage attached to the ship equipment, so as to obtain the theoretical plane of the installation grillage.
In an embodiment of the present invention, the topology analysis is performed on the ship equipment, and the three-dimensional features of the ship equipment are used to perform projection on the theoretical plane of the installation grillage to obtain the projection contour line.
In an embodiment of the present invention, the obtaining the orientation of the ship base profile and combining the projection contour line to generate a base slab frame model specifically includes:
obtaining base profile data and base plate rack data, wherein the base profile data comprise the orientation of ship base profiles, the number and/or spacing of base support profiles and the specification and material of the profiles, and the base plate rack data comprise the specification and material of base plate racks;
and obtaining a filling surface based on the projection contour line, carrying out topology on the filling surface to obtain a target rectangle, and generating the base plate frame model by taking the target rectangle as a reference surface.
In an embodiment of the invention, the theoretical starting point and ending point positions of each of the supporting profiles are obtained based on the number and/or the interval of the base supporting profiles, so as to generate the base supporting profile model.
In an embodiment of the present invention, the method further includes:
acquiring a first contour line of a base support plate and a ship body contact plate frame;
identifying a second contour line of the ship structure on the ship body contact plate frame;
and performing secondary modeling based on the first contour line and the second contour line.
In an embodiment of the present invention, intersections of the first contour lines and the second contour lines are extracted, and the first contour lines located in the second contour lines are intercepted as target contour lines by using each of the intersections as an endpoint, so as to complete the secondary modeling.
To achieve the above and other related objects, the present invention provides a ship base modeling system, including:
the acquisition module is used for acquiring a mounting plate frame theoretical plane of ship equipment and a projection contour line of the ship equipment on the mounting plate frame theoretical plane;
and the generation module is used for acquiring the orientation of the ship base profile and combining the orientation with the projection profile to generate a base plate frame model and generate a base support profile model to complete base modeling.
To achieve the above and other related objects, the present invention provides a computer-readable storage medium as described above, on which a computer program is stored, which when executed by a processor, implements the ship base modeling method.
To achieve the above and other related objects, the present invention provides an electronic device as described above, including: the device comprises a memory and a processor, wherein the memory is used for storing a computer program, and the processor is used for loading and executing the computer program so as to enable the electronic equipment to execute the ship base modeling method.
As described above, the ship base modeling method, the ship base modeling system, the medium, and the electronic device according to the present invention can automatically recognize parameters required for modeling a ship device base, and can enhance by matching with a corresponding structure, thereby improving design efficiency of ship base and structure enhancement, and improving design quality of base and structure enhancement.
Drawings
FIG. 1 is a diagram illustrating the method steps of a ship foundation modeling method according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a ship equipment in an embodiment of the ship foundation modeling method of the present invention;
FIG. 3 is a schematic structural diagram of a ship base according to an embodiment of the ship base modeling method of the present invention;
FIG. 4 is a diagram illustrating the method steps in yet another embodiment of the ship foundation modeling method of the present invention;
FIGS. 5a-5b are schematic structural diagrams illustrating secondary modeling of a ship foundation modeling method according to an embodiment of the invention;
FIG. 6 is a schematic structural diagram of a modeling system for a vessel foundation according to an embodiment of the invention;
fig. 7 is a schematic structural diagram of an electronic device according to an embodiment of the invention.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
Referring to fig. 1, in an embodiment of the present invention, a ship base modeling method includes the following steps:
step S11, acquiring a mounting plate frame theoretical plane of the ship equipment and a projection contour line of the ship equipment on the mounting plate frame theoretical plane;
and S12, acquiring the orientation of the ship base profile, generating a base plate frame model by combining the projection contour line, and generating a base support profile model to complete base modeling.
It should be noted that, at first, interval interference inspection is carried out based on the installation face of ship equipment to obtain the installation grillage that ship equipment depends on, and then obtain installation grillage theoretical plane, it is right ship equipment carries out topology analysis, utilizes the three-dimensional characteristic of ship equipment be in projection in order to obtain on the installation grillage theoretical plane the projection contour line.
Further, as shown in fig. 2, the marine equipment 1 includes various marine equipment, such as a main engine in a main power device, a generator in an auxiliary power device, a boiler, different types of pumps, a water generator, and various types of automation equipment; the interval interference check is a commonly used technology in three-dimensional design, and a plurality of three-dimensional models are grouped to check whether the three-dimensional models exist between every two models: contact/gap/intersection, wherein contact refers to contact which just generates point/line/surface between three-dimensional models; the gap means that a space exists between the three-dimensional models, and the space is smaller than a specified value; the intersection refers to a case where an entity and an opposite entity are overlapped by intrusion between the three-dimensional models.
Specifically, an equipment model in three-dimensional modeling software generally comprises point, line, surface and body topologies, the topology surface of the corresponding equipment model can be taken out through a program in the corresponding three-dimensional modeling software, the projection profile surface of the equipment is obtained by projecting on a theoretical plane, and then the projection profile line is analyzed from the projection profile surface through the corresponding program, so that the projection profile line can be obtained by performing topology analysis on the ship equipment and then performing projection.
Further, in an embodiment of the present invention, the obtaining the orientation of the ship base profile and combining the projection contour line to generate a base slab frame model specifically includes: obtaining base profile data and base plate rack data, wherein the base profile data comprise the orientation of ship base profiles, the number and/or spacing of base support profiles and the specification and material of the profiles, and the base plate rack data comprise the specification and material of base plate racks; and obtaining a filling surface based on the projection contour line, carrying out topology on the filling surface to obtain a target rectangle, and generating the base plate frame model by taking the target rectangle as a reference surface.
In particular, when determining the orientation of the ship foundation profile, it is desirable that its profile arrangement matches as closely as possible the equipment model on it, so it is necessary to give the geometry of the equipment model; the base support sections such as angle steel, i-steel, toggle plate, channel steel, and square steel; and acquiring a given value of a user side to determine the specification and the material of the profile.
Further, establish base grillage model, utilize the closed contour line in the procedure among the three-dimensional modeling software through a plane, can generate and use this contour line as the filling surface of outline, will the projection contour line is as the input in order to obtain the filling surface, it is right the topology analysis is carried out to the filling surface, combines boats and ships base section bar direction obtains one and holds the rectangular shape of filling surface to shrink to this shape to two directions, until ensuring the rectangular shape covers the main part area of filling surface is in order to obtain the target rectangle, and with the target rectangle is generated as the reference surface base grillage model.
It is worth mentioning that, for the filling surface, a minimum enveloping rectangle can be obtained by combining the ship base profile direction (for example, the base direction is taken as the long side direction of the rectangle), the rectangle is contracted in the u direction and the v direction until the rectangular shape approximately covers the main body area of the filling surface, the main body area can be calculated and defined and evaluated according to different modes according to actual requirements, for example, a certain project in the ship industry can be selected in advance to contract in one direction such as the u direction, and the contraction is stopped when the area change value reaches an ideal value, so that the area of objects such as pipelines extending out of the irregular model at the edge can be approximately ignored, and a rectangular theoretical surface close to the main body area can be obtained as far as possible.
It is worth mentioning that the base support profile model is generated by obtaining theoretical starting and end positions of each of the support profiles based on the number and/or spacing of the base support profiles.
It should be noted that the base 2 support profiles are spaced at generally the same distance as shown in figure 3, but sometimes the structural spacing may be different in order to align with the strong structure of the hull itself.
Further, as shown in fig. 4, the method further includes the steps of:
step S41, acquiring a first contour line of the base support plate and the ship body contact plate frame;
step S42, identifying a second contour line of the ship structure on the ship body contact plate frame;
and step S43, performing secondary modeling based on the first contour line and the second contour line.
It should be noted that intersection points of the first contour line and the second contour line are extracted, and the first contour line located in the second contour line is intercepted as a target contour line by using each intersection point as an end point to complete the secondary modeling, as shown in fig. 5a and 5b, in this embodiment, according to the contact between the base and the hull, a projection is generated on a theoretical plane of the back of the deck of the hull to obtain a first contour line L1; identifying the ship body contact plate frame, namely ship body equipment on the deck, and generating a projection on a theoretical surface on the back of the deck to obtain a ship body equipment contour line L2; extending the projection line in L1 outwards to ensure that the end point of the line segment is on L2, and if the line segment is intersected by L2, taking L2 as a boundary, and cutting L1 to obtain a second contour line L1'; and determining necessary parameters such as specification and material of the hull structure needing to be reinforced according to the second contour line L1 'and the numerical values given by the user side, and performing base reinforcement modeling to complete the secondary modeling, wherein L1 is four solid lines which are intersected in a shape of "#" and are not connected with L2, L2 is four dotted lines which are intersected in a rectangular shape, and L1' is four solid lines which are intersected in a shape of "#" and are connected with L2.
Referring to fig. 6, in an embodiment, a ship base modeling system 60 provided in the present embodiment includes:
the acquisition module 61 is used for acquiring a mounting plate frame theoretical plane of ship equipment and a projection contour line of the ship equipment on the mounting plate frame theoretical plane;
and the generation module 62 is used for acquiring the orientation of the ship base profile and combining the projection contour line to generate a base plate frame model and generate a base support profile model to complete base modeling.
Since the specific implementation manner of this embodiment corresponds to the foregoing method embodiment, repeated description of the same details is omitted here, and it should be understood by those skilled in the art that the division of each module in the embodiment in fig. 6 is only a division of a logic function, and all or part of the modules may be integrated on one or more physical entities during actual implementation, and all of the modules may be implemented in a form called by software through a processing element, or in a form called by hardware, or in a form called by part of modules through a processing element, and part of the modules is implemented in a form called by hardware.
In addition, the present invention provides a computer-readable storage medium having a computer program stored thereon, which when executed by a processor, implements any of the ship foundation modeling methods.
Referring to fig. 7, the present embodiment provides an electronic device, in detail, the electronic device at least includes: the system comprises a memory and a processor, wherein the memory is used for storing computer programs, and the processor is used for executing the computer programs stored by the memory so as to execute all or part of the steps in the method embodiment.
In conclusion, the method and the device can automatically identify parameters required by modeling of the ship equipment base and can match the corresponding structure for reinforcement, so that the design efficiency of the ship base and the structure reinforcement is improved, and the design quality of the base and the structure reinforcement is improved.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A method of modeling a vessel foundation, comprising:
acquiring a theoretical plane of an installation plate frame of ship equipment and a projection contour line of the ship equipment on the theoretical plane of the installation plate frame;
and acquiring the orientation of the ship base profile and combining the orientation with the projection profile to generate a base plate frame model and generate a base supporting profile model to complete base modeling.
2. The ship foundation modeling method of claim 1, wherein a distance interference check is performed based on the installation surface of the ship equipment to obtain an installation grillage to which the ship equipment is attached, thereby obtaining the installation grillage theoretical plane.
3. The ship foundation modeling method of claim 2, wherein the ship equipment is subjected to topology analysis, and the projected contour line is obtained by projecting the three-dimensional features of the ship equipment on the theoretical plane of the installation grillage.
4. The ship base modeling method of claim 3, wherein the obtaining the ship base profile orientation and combining the projection contour line to generate a base plate rack model specifically comprises:
obtaining base profile data and base plate rack data, wherein the base profile data comprise the orientation of ship base profiles, the number and/or spacing of base support profiles and the specification and material of the profiles, and the base plate rack data comprise the specification and material of base plate racks;
and obtaining a filling surface based on the projection contour line, carrying out topology on the filling surface to obtain a target rectangle, and generating the base plate frame model by taking the target rectangle as a reference surface.
5. The ship foundation modeling method of claim 4, wherein the base support profile model is generated by obtaining theoretical starting and ending positions of each support profile based on the number and/or spacing of the base support profiles.
6. The vessel foundation modeling method of claim 1, further comprising:
acquiring a first contour line of a base support plate and a ship body contact plate frame;
identifying a second contour line of the ship structure on the ship body contact plate frame;
and performing secondary modeling based on the first contour line and the second contour line.
7. The ship foundation modeling method according to claim 6, wherein intersections of the first contour lines and the second contour lines are extracted, and the first contour lines located within the second contour lines are cut out as target contour lines with each of the intersections as an end point to complete the secondary modeling.
8. A vessel foundation modeling system, comprising:
the acquisition module is used for acquiring a mounting plate frame theoretical plane of ship equipment and a projection contour line of the ship equipment on the mounting plate frame theoretical plane;
and the generation module is used for acquiring the orientation of the ship base profile and combining the orientation with the projection profile to generate a base plate frame model and generate a base support profile model to complete base modeling.
9. A computer-readable storage medium, on which a computer program is stored, which program, when being executed by a processor, is adapted to carry out the method of modelling a vessel foundation according to any one of claims 1 to 7.
10. An electronic device, characterized in that the electronic device comprises: memory for storing a computer program and a processor for executing the computer program stored by the memory to cause the electronic device to perform the vessel foundation modeling method of any of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111174905.7A CN113919069A (en) | 2021-10-09 | 2021-10-09 | Ship base modeling method, system, medium and electronic device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111174905.7A CN113919069A (en) | 2021-10-09 | 2021-10-09 | Ship base modeling method, system, medium and electronic device |
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| CN113919069A true CN113919069A (en) | 2022-01-11 |
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| CN202111174905.7A Pending CN113919069A (en) | 2021-10-09 | 2021-10-09 | Ship base modeling method, system, medium and electronic device |
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