CN112487554A - Novel method, system and computer equipment for end cut definition based on model - Google Patents
Novel method, system and computer equipment for end cut definition based on model Download PDFInfo
- Publication number
- CN112487554A CN112487554A CN202011350166.8A CN202011350166A CN112487554A CN 112487554 A CN112487554 A CN 112487554A CN 202011350166 A CN202011350166 A CN 202011350166A CN 112487554 A CN112487554 A CN 112487554A
- Authority
- CN
- China
- Prior art keywords
- section
- model
- cut
- scene
- profile
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Software Systems (AREA)
- Automation & Control Theory (AREA)
- Computer Graphics (AREA)
- Computational Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- Computer Hardware Design (AREA)
- Evolutionary Computation (AREA)
- General Engineering & Computer Science (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention provides a new method, a system and computer equipment for end cut definition based on a model, which are used for acquiring profile information in the model; obtaining the scene of the section in the model according to the section boundary and the type of the section end, and screening out the section which needs to be defined and has no defined end cut; establishing an end-cut parametric template library according to the design criteria of the ship section end; according to the scene of the obtained section in the model, the created template library corresponding to the scene is combined, and the end cut is defined in batch, so that the method has the advantages of reducing manual operation of a designer and improving the efficiency of end cut definition; the production design efficiency is improved, and the design period of the ship is shortened; the development of knowledge engineering and digital design is promoted.
Description
Technical Field
The invention relates to the technical field of ship hull production design, in particular to a novel method, a system and computer equipment for end-cut definition based on a model.
Background
With the continuous propulsion of intelligent shipbuilding, the cable-reaching three-dimensional experience platform is increasingly widely applied in the field of ships. In the marine industry, profile end cutting is essential process information in production design. And the end scenes of the section bar are various, and the end cut nodes are complex, so that in the actual production design, a designer needs to deeply understand the nodes of the ship model, the difficulty of the production design is greatly increased, and the accuracy of the end cut definition is reduced. And define section bar end to cut and consume a large amount of manpowers one by one, greatly reduced design efficiency.
Therefore, how to improve the accuracy and efficiency of the profile end cut definition is a great problem to be solved urgently in the design process.
Disclosure of Invention
In view of the defects of the prior art, the technical problem to be solved by the present invention is to provide a new method, a system and a computer device for defining an end cut based on a model, which are used for solving the problems of low efficiency, insufficient accuracy and the like of defining an end cut of a profile in the production design of a three-dimensional experience platform hull and improving the production design efficiency of the three-dimensional experience platform hull.
To achieve the above and other related objects, the present invention provides a novel method for defining an end cut based on a model, comprising the following steps:
step one, acquiring profile information in a model;
secondly, acquiring the scene of the section in the model according to the boundary of the section and the type of the end of the section, and screening out the section which needs to be defined and is not defined to be cut;
step three, creating an end-cut parametric template library according to the design criteria of the ship section end;
and step four, according to the scene of the section bar in the model obtained in the step two, combining the template library of the corresponding scene created in the step three, and defining end cuts in batches.
Preferably, step one, all models under the selected node are traversed to obtain the profile information in the models.
Preferably, the two steps obtain the scene of the section in the model according to the section boundary and the section end type, and screen out the section which needs to be defined and has no defined end cut.
Preferably, in the third step, according to the design criteria of the end heads of the hull section bars, an end-cut parametric template is created for the scene of each section bar in the second step in the model, so as to form a template library.
A model-based end-cut definition system, comprising:
the acquisition module is used for acquiring the profile information in the model and determining the end-cut type to be defined by the profile;
and the processing module is used for defining the end cutting of the section bar and modifying the end cutting parameters.
A computer device, comprising:
a memory for storing a computer program;
a processor running a computer program to implement the new model-based end-cut definition method as described above.
As described above, the novel model-based end-cut definition method, system and computer device according to the present invention have the following advantages:
firstly, manual operation of a designer is reduced, and the end-cut definition efficiency is improved;
secondly, the production design efficiency is improved, and the ship design period is shortened;
and thirdly, the development of knowledge engineering and digital design is promoted.
Drawings
FIG. 1 is a schematic flow chart of a new model-based end-cut definition method according to an embodiment of the present invention;
FIG. 2 is a block diagram of a model-based end-cut definition system according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a computer device according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Please refer to fig. 1 to 3. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or through an intermediate medium, or both elements may be interconnected. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
As shown in fig. 1 to 3, the embodiment of the present invention provides a new method, system and computer device for model-based end-cut definition.
FIG. 1 illustrates a flow diagram of a new model-based end-cut definition method in accordance with an embodiment of the present invention; referring to fig. 1, the method for generating the open hole profile of the ship cable according to the embodiment of the invention includes the following steps:
step one, profile information in the model is obtained.
Specifically, traversing all models under the selected node to obtain profile information in the models, mainly comprising: profile modeling type, profile specification, profile length, profile boundary, profile end type, and the like.
And step two, acquiring the scene of the section in the model according to the section boundary and the section end type, and screening out the section which needs to be defined and has no defined end cut.
Specifically, a scene of the profile in the model is obtained according to the profile boundary and the type of the profile end, for example, the flat steel is in angle joint with the flat bulb steel, the angle steel, the flat steel and the plate, the flat steel is in butt joint with the flat steel, and the flat steel end is unlimited and is a free end; the flat-bulb steel is in angle joint with flat steel, flat-bulb steel, angle steel and plates, the flat-bulb steel is in butt joint with the flat-bulb steel and the angle steel, and the end of the flat-bulb steel is not limited and is a free end; the angle steel is in angle joint with flat steel, flat-bulb steel, angle steel and plates, the angle steel is in butt joint with the flat-bulb steel and the angle steel, and the end of the angle steel is not limited and is a free end; the panel is in butt joint with the panel, the angle steel panel and the flat-bulb steel panel, the end of the panel is not limited, and the panel is a free end and the like. And screening out the section bar needing to define the end cutting by combining the design rule of the end head of the ship section bar. And traversing the profile structure tree to determine whether an end-cut node exists under the profile, and if so, not screening the profile.
And step three, creating an end-cut parametric template library according to the design rule of the ship section end.
Specifically, according to the design rule of the end of the hull section, an end-cut parametric template is created for the scene of each section in the model in the step two, and a template library is formed.
And step four, according to the scene of the section bar in the model obtained in the step two, combining the template library of the corresponding scene created in the step three, and defining end cuts in batches.
Specifically, the scene of the profile in the model obtained in the second step and the template created in the third step are in a one-to-one mapping relationship, so that the program can obtain the end-cut types required to be defined in the scene according to the scene of the profile in the model obtained in the second step, and then define the end-cut types in batches.
Fig. 2 is a schematic diagram of a model-based end-cut definition system module according to an embodiment of the present invention. As shown, the apparatus or system, the end-cut definition system 200 includes: an obtaining module 201, configured to obtain a profile to be added with an end cut, and determine an end cut type that the profile needs to be defined;
and the processing module 202 is used for defining the end cutting of the section bar and modifying the end cutting parameters.
Fig. 3 is a schematic structural diagram of a computer device in an embodiment of the present invention. As shown, the computer device 300 includes: a memory 301, and a processor 302; the memory 301 is used for storing computer programs; the processor 302 runs the computer program to implement the method as described in fig. 1.
In summary, the novel method, system and computer device for end-cut definition based on model of the present invention extract the profile information in the model; obtaining the scene of the section in the model according to the section boundary and the type of the section end, and screening out the section which needs to be defined and has no defined end cut; establishing an end-cut parametric template library according to the design criteria of the ship section end; according to the scene of the obtained section in the model, the created template library corresponding to the scene is combined, and the end cut is defined in batch, so that the method has the advantages of reducing manual operation of a designer and improving the efficiency of end cut definition; the production design efficiency is improved, and the design period of the ship is shortened; the development of knowledge engineering and digital design is promoted.
The invention effectively overcomes various defects in the prior art and has high industrial utilization value.
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 (6)
1. A novel end cut definition method based on a model is characterized by comprising the following steps:
1) acquiring profile information in the model;
2) obtaining the scene of the section in the model according to the section boundary and the type of the section end, and screening out the section which needs to be defined and has no defined end cut;
3) establishing an end-cut parametric template library according to the design criteria of the ship section end;
4) and 3) according to the scenes of the section bar in the model obtained in the step 2), combining the template library which is created in the step 3) and corresponds to the scenes, and defining end cuts in batches.
2. The new model-based end-cut definition method of claim 1, wherein: and 1) traversing all models under the selected nodes to obtain the section information in the models.
3. The new model-based end-cut definition method of claim 1, wherein: and 2) acquiring the scene of the section in the model according to the boundary of the section and the type of the end of the section, and screening the section which needs to be defined and has no defined end cut.
4. The new model-based end-cut definition method of claim 1, wherein: and 3) creating an end-cut parametric template aiming at the scene of each section in the model in the step 2) according to the design criterion of the end of the hull section to form a template library.
5. A model-based end-cut definition system, comprising:
the acquisition module is used for acquiring the profile information in the model and determining the end-cut type to be defined by the profile;
and the processing module is used for defining the end cutting of the section bar and modifying the end cutting parameters.
6. A computer device, comprising:
a memory for storing a computer program;
a processor running a computer program to implement a new model-based end-cut definition method as claimed in any one of claims 1 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011350166.8A CN112487554B (en) | 2020-11-26 | 2020-11-26 | Novel method, system and computer equipment for end cut definition based on model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011350166.8A CN112487554B (en) | 2020-11-26 | 2020-11-26 | Novel method, system and computer equipment for end cut definition based on model |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112487554A true CN112487554A (en) | 2021-03-12 |
| CN112487554B CN112487554B (en) | 2023-01-20 |
Family
ID=74935337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011350166.8A Active CN112487554B (en) | 2020-11-26 | 2020-11-26 | Novel method, system and computer equipment for end cut definition based on model |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112487554B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114547769A (en) * | 2022-02-09 | 2022-05-27 | 中国舰船研究设计中心 | Knowledge engineering-based adaptive ship section end-cut model building method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1745469A (en) * | 2002-12-18 | 2006-03-08 | 易思刻公司 | Method for fabrication of semiconductor device |
| CN101763064A (en) * | 2009-12-08 | 2010-06-30 | 沈阳飞机工业（集团）有限公司 | Numerical control machining process design system and method of aircraft complex components facing process object |
| CN106447519A (en) * | 2016-11-24 | 2017-02-22 | 北京动力机械研究所 | Generating system of three-dimensional sheet metal welding technology |
| CN111259630A (en) * | 2020-01-13 | 2020-06-09 | 浙江吉利汽车研究院有限公司 | Process file generation device and method |
| CN111400287A (en) * | 2020-03-27 | 2020-07-10 | 江南造船(集团)有限责任公司 | Ship building process knowledge base building method and device, storage medium and terminal |
| CN111475887A (en) * | 2019-09-27 | 2020-07-31 | 中国舰船研究设计中心 | Three-dimensional model-based ship pipeline support and hanger rapid statistics and plotting method |
-
2020
- 2020-11-26 CN CN202011350166.8A patent/CN112487554B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1745469A (en) * | 2002-12-18 | 2006-03-08 | 易思刻公司 | Method for fabrication of semiconductor device |
| CN101763064A (en) * | 2009-12-08 | 2010-06-30 | 沈阳飞机工业（集团）有限公司 | Numerical control machining process design system and method of aircraft complex components facing process object |
| CN106447519A (en) * | 2016-11-24 | 2017-02-22 | 北京动力机械研究所 | Generating system of three-dimensional sheet metal welding technology |
| CN111475887A (en) * | 2019-09-27 | 2020-07-31 | 中国舰船研究设计中心 | Three-dimensional model-based ship pipeline support and hanger rapid statistics and plotting method |
| CN111259630A (en) * | 2020-01-13 | 2020-06-09 | 浙江吉利汽车研究院有限公司 | Process file generation device and method |
| CN111400287A (en) * | 2020-03-27 | 2020-07-10 | 江南造船(集团)有限责任公司 | Ship building process knowledge base building method and device, storage medium and terminal |
Non-Patent Citations (2)
| Title |
|---|
| 柳梦源: ""基于CATIA V_6的某液化气船结构设计研究"", 《中国优秀博硕士学位论文全文数据库(硕士)工程科技Ⅱ辑》 * |
| 王灯: ""基于NX平台的船舶标准库系统设计与开发"", 《中国优秀博硕士学位论文全文数据库(硕士)工程科技Ⅱ辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114547769A (en) * | 2022-02-09 | 2022-05-27 | 中国舰船研究设计中心 | Knowledge engineering-based adaptive ship section end-cut model building method |
| CN114547769B (en) * | 2022-02-09 | 2024-04-16 | 中国舰船研究设计中心 | Knowledge engineering-based self-adaptive ship profile end cutting model building method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112487554B (en) | 2023-01-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2797162C (en) | Creating a surface from a plurality of 3d curves | |
| CN111539149A (en) | Ship model building and modal analysis method | |
| CN111444573B (en) | Ship symmetric segment model generation method and device, storage medium and terminal | |
| CN110675508A (en) | BIM model geometric figure simplification method | |
| CN112487554B (en) | Novel method, system and computer equipment for end cut definition based on model | |
| CN110222447B (en) | Adaptive mesh division method and system based on octree | |
| CN111222202B (en) | Automatic ship grid dividing method based on virtual test platform | |
| CN116664776A (en) | Three-dimensional visual editing system based on digital twin | |
| CN114859319A (en) | Positioning method and system of tractor and trailer, storage medium and vehicle | |
| CN111210520A (en) | Reverse forming method and system for physical model | |
| CN115047825A (en) | Method for displaying numerical control machining milling in real time | |
| CN114429535A (en) | Smooth cutting method and device for triangular mesh curved surface | |
| CN114290660A (en) | Curved surface layered 3D printing method and system | |
| CN111967066B (en) | Modeling method for three-dimensional microscopic structure of polymorphic particle reinforced composite material | |
| CN110415210B (en) | Hole detection and repair method based on point cloud greedy triangular projection construction model | |
| CN113689568B (en) | Three-dimensional effect graph high-precision modeling method based on cloud rendering | |
| CN115239884A (en) | Reconstruction method and device for medium-assembled three-dimensional model | |
| JP2006240183A (en) | Method and apparatus for fabricating mold | |
| CN114202642A (en) | Method and device for filling oversized holes in three-dimensional triangulation network model | |
| CN113674294A (en) | 3D model slice processing method and device | |
| US20070120849A1 (en) | Mesh generation method for numerical simulation | |
| CN112464374B (en) | Design rule-based rapid design method and system for toggle plate and computer equipment | |
| CN112464375B (en) | Design rule-based through hole design method and system | |
| CN113297691B (en) | Minimum bounding box size solving method based on plane traversal | |
| CN116476070B (en) | Method for adjusting scanning measurement path of large-scale barrel part local characteristic robot |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |