CN115375863A - CATIA-based forward three-dimensional geological modeling method - Google Patents
CATIA-based forward three-dimensional geological modeling method Download PDFInfo
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- CN115375863A CN115375863A CN202211010567.8A CN202211010567A CN115375863A CN 115375863 A CN115375863 A CN 115375863A CN 202211010567 A CN202211010567 A CN 202211010567A CN 115375863 A CN115375863 A CN 115375863A
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Abstract
The invention discloses a forward three-dimensional geological modeling method based on CATIA. The method comprises the following steps: constructing a three-dimensional terrain model of an engineering area; step two: inputting original geological data; step three: constructing a geological boundary by geological data, and establishing a point-line association relation; step four: constructing a geological interface by a geological boundary line, and establishing a line-surface association relation; step five: cutting a three-dimensional terrain model by a geological interface, constructing the three-dimensional geological model, and establishing a face-body association relation; step six: and (3) changing or supplementing geological data, and automatically updating the three-dimensional geological model through the association relationship between the points, the lines, the surfaces and the bodies established in the modeling process. The invention has the advantages that under the condition of lacking a geological two-dimensional map, a three-dimensional geological model can be directly constructed through geological original data such as geological points, drill holes and the like, the automatic updating of the model is realized along with the change of the geological original data, and the modeling efficiency of the model is improved.
Description
Technical Field
The utility model relates to a geological information technical field, it is a forward three-dimensional geological modeling method based on CATIA that says so more specifically.
Background
At present, three-dimensional geological modeling based on Dasuo CATIA software is popularized in the water conservancy industry. The main flow modeling method is mainly based on two-dimensional surveying results such as topographic maps, drill holes, geological plan maps, geological profile maps, geophysical exploration data and the like to establish a three-dimensional geological model, and the key problem is how to effectively utilize the multivariate data to establish a reasonable and accurate three-dimensional geological model, wherein the quality of the geological model depends on the quality of the geological surveying results. With the development of the BIM technology, the forward three-dimensional collaborative design has an important influence on the improvement of the efficiency of engineering design and the quality of design results, and the traditional reverse modeling method of drawing first and then turning over is repeated in work and low in efficiency. The 'mode-flipping' modeling method cannot meet the requirements of engineering design.
Therefore, it is necessary to develop a three-dimensional geological modeling method that directly generates a three-dimensional geological model from geological raw data and realizes automatic update of the model on the premise of lacking a geological two-dimensional map.
Disclosure of Invention
The utility model aims at providing a three-dimensional geological modeling method of forward based on CATIA under the condition that lacks geology two-dimensional map piece, can directly construct three-dimensional geological model through geology original data like ground point, drilling etc. along with the automatic update of geology original data's change realization model, improve the modeling efficiency of model.
In order to realize the purpose, the technical scheme of the utility model is that: a forward three-dimensional geological modeling method based on CATIA is characterized in that: the method comprises the steps of establishing point-line-plane-body association drive through a CATIA platform, realizing forward three-dimensional geological modeling, directly establishing a three-dimensional geological model through geological original data, automatically updating the three-dimensional geological model along with the change of the geological original data, and improving the modeling efficiency of the three-dimensional geological model;
the concrete modeling method comprises the following steps,
the method comprises the following steps: constructing a three-dimensional terrain model of an engineering area;
constructing a three-dimensional terrain model of an engineering area based on CATIA; step one is the foundation of geological modeling, and a geological model is formed by partitioning based on a terrain model;
step two: inputting original geological data;
step three: constructing a geological boundary line by geological data, and establishing a point-line association relation;
establishing a geological boundary line by geological data through a wire frame function of the CATIA, and establishing a point-line association relation; step three, establishing a foundation of a geological interface;
step four: constructing a geological interface by a geological boundary line, and establishing a line-surface association relation;
constructing a geological interface from a geological boundary line through a surface modeling function of the CATIA, and establishing a line-surface association relation; step four, constructing a foundation of the geologic body;
step five: cutting a three-dimensional terrain model by a geological interface, constructing the three-dimensional geological model, and establishing a face-body association relation;
constructing a three-dimensional geological model through the functions of CATIA cutting or Boolean operation and the like, and establishing a surface-body association relation; the fifth step is used for realizing the automatic updating of the model by building the face-body association;
step six: and (3) changing or supplementing geological data, and automatically updating the three-dimensional geological model through the association relationship between the point, the line, the plane and the body established in the modeling process.
In the above technical solution, in the step one, the original geological data includes geological point data, drilling data, and the like.
In the above technical solution, in the second step, the geological boundary includes a formation boundary, a lithologic boundary, a structural boundary, a weathering boundary, and the like.
In the above technical solution, in step three, the geological interface includes a formation interface, a lithologic interface, a structural interface, a weathering interface, and the like.
The invention has the following advantages:
the invention relates to a forward three-dimensional geological modeling method based on CATIA, which can directly construct a three-dimensional geological model through geological original data such as geological points, drill holes and the like, and can automatically update along with the change of the geological original data so as to improve the modeling efficiency of the model.
Drawings
FIG. 1 is a flow chart of the present invention.
FIG. 2 is a three-dimensional terrain model diagram of an embodiment of the present invention.
FIG. 3 is a drill data import diagram of an embodiment of the present invention.
FIG. 4 is a geological boundary creation map of an embodiment of the present invention.
FIG. 5 is a geologic interface creation map of an embodiment of the present invention.
FIG. 6 is a three-dimensional geological model of an embodiment of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings, which are not intended to limit the present invention, but are merely exemplary. While the advantages of the invention will be clear and readily appreciated by the description.
Referring to fig. 2 and 3: the forward three-dimensional geological modeling method based on CATIA comprises the following steps:
(1) Opening CATIA software, and creating an ordered geometric figure set;
(2) Importing topographic measurement data and creating a three-dimensional topographic model of the engineering area, as shown in FIG. 2;
(3) Inputting original geological data such as geological points, drill holes and the like through a CATIA primary function or a secondary development tool, as shown in FIG. 3;
(4) Through the wire frame function of the CATIA, original geological data such as geological points, drill holes and the like are constructed into geological boundary lines such as strata, lithology, structure, weathering and the like, a point-line association relation is established, and the geological boundary lines are automatically updated along with the change of the original geological data, as shown in FIG. 4;
(5) By means of the CATIA surface modeling function, geological boundary lines such as strata, lithology, structure and weathering are constructed into geological interfaces such as strata, lithology, structure and weathering, a line-surface association relation is established, and the geological interfaces are automatically updated along with the change of the geological boundary lines, as shown in FIG. 5;
(6) Cutting a three-dimensional terrain model through a geological interface through the functions of CATIA cutting or Boolean operation and the like, constructing the three-dimensional geological model, and establishing a surface-body association relation, wherein the three-dimensional geological model is automatically updated along with the change of the geological interface, as shown in FIG. 6;
(7) And (3) changing or supplementing geological data, and automatically updating the three-dimensional geological model through the association relationship between the point, the line, the plane and the body established in the modeling process.
Other parts not described belong to the prior art.
Claims (4)
1. A forward three-dimensional geological modeling method based on CATIA is characterized by comprising the following steps: the method comprises the steps of establishing point-line-plane-body association drive through a CATIA platform, realizing forward three-dimensional geological modeling, directly establishing a three-dimensional geological model through geological original data, and automatically updating the three-dimensional geological model along with the change of the geological original data, so that the modeling efficiency of the three-dimensional geological model is improved;
the concrete modeling method comprises the following steps,
the method comprises the following steps: constructing a three-dimensional terrain model of an engineering area;
constructing a three-dimensional terrain model of an engineering area based on the CATIA;
step two: inputting original geological data;
step three: constructing a geological boundary by geological data, and establishing a point-line association relation;
establishing a geological boundary line by geological data through a wire frame function of the CATIA, and establishing a point-line association relation;
step four: constructing a geological interface by the geological boundary line, and establishing a line-surface association relation;
constructing a geological interface from a geological boundary line through a curved surface modeling function of the CATIA, and establishing a line-surface association relation;
step five: cutting a three-dimensional terrain model by a geological interface, constructing the three-dimensional geological model, and establishing a face-body association relation;
constructing a three-dimensional geological model through the functions of CATIA cutting or Boolean operation, and establishing a surface-body association relation;
step six: and (3) changing or supplementing geological data, and automatically updating the three-dimensional geological model through the association relationship between the points, the lines, the surfaces and the bodies established in the modeling process.
2. The CATIA-based forward three-dimensional geological modeling method of claim 1, wherein: in step one, the original geological data comprises geological point data and drilling data.
3. A CATIA-based forward three-dimensional geological modeling method according to claim 1 or 2, characterized in that: in step two, the geological boundary includes a formation boundary, a lithology boundary, a structure boundary, and a weathering boundary.
4. The CATIA-based forward three-dimensional geological modeling method of claim 3, wherein: in step three, the geological interface comprises a stratum interface, a lithologic interface, a structural interface and a weathering interface.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117745968A (en) * | 2024-02-21 | 2024-03-22 | 中国有色金属工业昆明勘察设计研究院有限公司 | Method and system for creating geological model |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117745968A (en) * | 2024-02-21 | 2024-03-22 | 中国有色金属工业昆明勘察设计研究院有限公司 | Method and system for creating geological model |
| CN117745968B (en) * | 2024-02-21 | 2024-04-26 | 中国有色金属工业昆明勘察设计研究院有限公司 | Method and system for creating geological model |
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