BIM rapid modeling method for arch dam hub based on 3DEXPERIENCE Platform

Abstract

The arch dam hub BIM rapid modeling method based on 3DEXPERIENCE Platform of the present invention relates to the field of water conservancy and hydropower construction projects. The present invention creates UDF knowledge engineering templates of different structures of the arch dam hub based on the coordinates of the upstream control point and the downstream control point, and pre-assembles them to obtain a benchmark arch dam hub part template. The benchmark arch dam hub part template is used to change the coordinates of the upstream control point and the downstream control point, and the corresponding characteristic parameters of the benchmark arch dam hub part template are adjusted in combination with the characteristic parameters of the required arch dam hub, so as to quickly generate the required arch dam hub model, thereby solving the problem that rapid modeling, rapid display and rapid repair and reuse cannot be achieved in the decision-making and comparison stage of the project proposal or the early planning stage. The present invention is suitable for water conservancy and hydropower project construction.

Description

Technical Field

[0001] The present invention relates to the field of water conservancy and hydropower construction engineering, and in particular to a BIM rapid modeling method for an arch dam hub based on a 3DEXPERIENCE Platform. Background Art

[0002] 3DEXPERIENCE Platform is a collaborative environment platform that provides software solutions for various fields; it can meet the collaboration between engineers of different roles and solve industry problems and challenges.

[0003] An arch dam is a water retaining dam that bends upstream in a plane and is curved, and can transfer part of the horizontal load to both banks. It is a spatial shell structure. Usually, an arch dam hub includes a dam body, a flood discharge structure, an energy dissipation structure behind the dam, and a power generation structure.

[0004] BIM is the abbreviation of Building Information Modeling. It refers to the process and results of digitally expressing the physical and functional characteristics of construction projects and facilities throughout their life cycle, and designing, constructing and operating them accordingly. It is a technology and method for sharing, optimizing, coordinating and managing data during the planning, design, construction and operation of construction projects. It is widely used in various fields such as architecture, machinery, civil engineering, etc., and has the advantages of visualization, coordination, simulation, optimization, cost savings, and co-construction and sharing.

[0005] In recent years, with the development and progress of science and technology, and the strong advocacy of the Ministry of Housing and Urban-Rural Development, BIM technology has been increasingly used in engineering project construction. However, in terms of the maturity of BIM technology application, the vast majority of domestic engineering projects have only realized some applications of BIM technology, such as simple modeling and mold reshaping. That is, after the two-dimensional plane design results are completed, the two-dimensional is converted into a three-dimensional model. Although this application can perform occupancy collision detection analysis and pipeline integration of various parts to a certain extent, the actual value it brings to the engineering project has not been reflected, and no real scientific and technological productivity has been formed. The superiority of BIM technology and engineering benefits have not been fully utilized.

[0006] The same is true for the application of BIM technology in the field of water conservancy and hydropower construction projects. Taking arch dam hub modeling as an example, the first aspect of BIM technology application is the remodeling and effect display based on the full set of two-dimensional design results. The benefits and advantages of BIM technology are not only not reflected, but also increase the workload of designers; the second aspect is that with the development of the engineering construction stage, forward modeling is first carried out for each part and each precision, and then assembled into a whole. The application of this BIM technology is mainly concentrated in the project implementation stage. It is less practical in the early decision-making and comparison stage of project proposals or planning, and cannot achieve rapid modeling, rapid display and rapid modification and reuse, and display of effects for timely decision-making on site. Summary of the invention

[0007] The technical problem solved by the present invention is to provide a BIM rapid modeling method for an arch dam hub based on the 3DEXPERIENCE Platform, which solves the problem that rapid modeling, rapid display, and rapid modification and reuse cannot be achieved in the project proposal or early planning decision-making and selection stage.

[0008] The technical solution adopted by the present invention to solve the above technical problems is: a BIM rapid modeling method for an arch dam hub based on the 3DEXPERIENCE Platform, comprising the following steps:

[0009] S01. Import the terrain elevation point data of the hub area into the 3DEXPERIENCE Platform, generate the hub area terrain PHM surface or triangular mesh surface, and create the hub area engineering geological 3D model;

[0010] S02, creating an upstream control point and a downstream control point of the benchmark arch dam hub in the three-dimensional model;

[0011] S03, creating UDF knowledge engineering templates for different structures of the arch dam hub, wherein input parameters of the UDF knowledge engineering templates are associated with coordinates of upstream control points and downstream control points;

[0012] S04, using the UDF knowledge engineering template, performing pre-assembly of the benchmark arch dam hub through Boolean operations, and obtaining a benchmark arch dam hub parts template;

[0013] S05. Classify and hierarchically associate the same parameters in the UDF knowledge engineering templates of different structures of the arch dam hub;

[0014] S06. Using the reference arch dam hub part template, change the coordinates of the upstream control point and the downstream control point, adjust the corresponding characteristic parameters of the reference arch dam hub part template in combination with the characteristic parameters of the required arch dam hub, and quickly generate the required arch dam hub model.

[0015] Furthermore, in step S02, the coordinates of the upstream control point and the downstream control point are set as geodetic coordinates.

[0016] Furthermore, the UDF knowledge engineering template includes UDF-surface hole template, UDF-surface hole middle gate pier template, UDF-surface hole side gate pier template, UDF-deep hole template, UDF-bottom hole template, UDF-water cushion pond template, UDF-second dam template, UDF-underground powerhouse template and UDF-water intake template.

[0017] Furthermore, the characteristic parameters of the required arch dam hub include shape and quantity.

[0018] Beneficial effects of the present invention: The present invention is based on the arch dam hub BIM rapid modeling method of the 3DEXPERIENCE Platform, creates UDF knowledge engineering templates of different structures of the arch dam hub based on the coordinates of the upstream control point and the downstream control point, and pre-assembles to obtain the benchmark arch dam hub part template, uses the benchmark arch dam hub part template, changes the coordinates of the upstream control point and the downstream control point, and adjusts the corresponding characteristic parameters of the benchmark arch dam hub part template in combination with the characteristic parameters of the required arch dam hub, and quickly generates the required arch dam hub model, solving the problem of being unable to achieve rapid modeling, rapid display, and rapid repair and reuse in the project proposal or early planning decision-making and comparison stage. Compared with the prior art, the present invention does not need to model, assemble, and perform Boolean operations on arch dam parts when establishing the required arch dam hub model, which greatly improves the modeling efficiency, and can achieve rapid modification and reuse by changing the coordinates of the upstream control point, the coordinates of the downstream control point, and the characteristic parameters of the arch dam hub. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Attached Figure 1 It is a flow chart of the BIM rapid modeling method for an arch dam hub based on the 3DEXPERIENCE Platform of the present invention. DETAILED DESCRIPTION

[0020] The BIM rapid modeling method of the arch dam hub based on the 3DEXPERIENCE Platform of the present invention is as follows: Figure 1 As shown, the following steps are included:

[0021] S01. Import the terrain elevation point data of the hub area into the 3DEXPERIENCE Platform, generate the hub area terrain PHM surface or triangular mesh surface, and create the hub area engineering geological 3D model;

[0022] S02, creating an upstream control point and a downstream control point of the benchmark arch dam hub in the three-dimensional model;

[0023] Specifically, the coordinates of the upstream control point and the downstream control point are geodetic coordinates.

[0024] S03, creating UDF knowledge engineering templates for different structures of the arch dam hub, wherein input parameters of the UDF knowledge engineering templates are associated with coordinates of upstream control points and downstream control points;

[0025] Specifically, the UDF knowledge engineering templates include UDF-surface hole template, UDF-surface hole middle gate pier template, UDF-surface hole side gate pier template, UDF-deep hole template, UDF-bottom hole template, UDF-water cushion pond template, UDF-second dam template, UDF-underground powerhouse template and UDF-water intake template.

[0026] S04, using the UDF knowledge engineering template, performing pre-assembly of the benchmark arch dam hub through Boolean operations, and obtaining a benchmark arch dam hub parts template;

[0027] S05. Classify and hierarchically associate the same parameters in the UDF knowledge engineering templates of different structures of the arch dam hub;

[0028] Specifically, the same parameters in the UDF knowledge engineering of different structures of the arch dam hub are classified and hierarchically associated, which can achieve rapid linkage, modification and updating.

[0029] S06. Using the reference arch dam hub part template, change the coordinates of the upstream control point and the downstream control point, adjust the corresponding characteristic parameters of the reference arch dam hub part template in combination with the characteristic parameters of the required arch dam hub, and quickly generate the required arch dam hub model.

[0030] Specifically, the generated arch dam hub model can be used for preliminary project presentation or comparison and decision-making of different hub layout plans; subsequently, the parameters of different levels can be modified as needed based on the progress of the project to meet the needs of guiding actual construction.

Claims

1. The BIM rapid modeling method for arch dam hub based on 3DEXPERIENCE Platform is characterized by: The following steps are involved: S01. Import the terrain elevation point data of the hub area into the 3DEXPERIENCE Platform, generate the hub area terrain PHM surface or triangular mesh surface, and create the hub area engineering geological 3D model; S02, creating an upstream control point and a downstream control point of the benchmark arch dam hub in the three-dimensional model; S03, creating UDF knowledge engineering templates for different structures of the arch dam hub, wherein input parameters of the UDF knowledge engineering templates are associated with coordinates of upstream control points and downstream control points; S04, using the UDF knowledge engineering template, performing pre-assembly of the benchmark arch dam hub through Boolean operations, and obtaining a benchmark arch dam hub parts template; S05. Classify and hierarchically associate the same parameters in the UDF knowledge engineering templates of different structures of the arch dam hub; S06. Using the reference arch dam hub part template, change the coordinates of the upstream control point and the downstream control point, adjust the corresponding characteristic parameters of the reference arch dam hub part template in combination with the characteristic parameters of the required arch dam hub, and quickly generate the required arch dam hub model.

2. The arch dam hub BIM rapid modeling method based on 3DEXPERIENCE Platform according to claim 1 is characterized in that: In step S02, the coordinates of the upstream control point and the downstream control point are set as geodetic coordinates.

3. The BIM rapid modeling method for arch dam hub based on 3DEXPERIENCE Platform according to claim 1 is characterized in that: The UDF knowledge engineering templates include UDF-surface hole template, UDF-surface hole middle gate pier template, UDF-surface hole side gate pier template, UDF-deep hole template, UDF-bottom hole template, UDF-water cushion pond template, UDF-second dam template, UDF-underground powerhouse template and UDF-water intake template.

4. The arch dam hub BIM rapid modeling method based on 3DEXPERIENCE Platform according to claim 1 is characterized in that: The characteristic parameters of the required arch dam hub include shape and quantity.

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