Method for data conversion between stress analysis and three-dimensional models in pipeline design

Abstract

The present invention relates to a method for data conversion between stress analysis and three-dimensional models in pipeline design. The method for data conversion from a stress analysis model to a three-dimensional model comprises: A. establishing a stress analysis model, and traversing the stress analysis model to obtain an element parameter that includes various level information; B. based on the obtained information, generating an immediate file according to a format that can be parsed by three-dimensional model software; C. establishing an element level database of the three-dimensional model software; and D.assigning a real level model to a corresponding branch and element according to a level of the immediate file, and generating a three-dimensional model in the three-dimensional model software. According to the method provided by the present invention, repeated input of data can be reduced greatly, the workload of designers is decreased obviously, design efficiency is also increased significantly, human errors are reduced, mutual conversion of data in different software is realized, and collaborative design is achieved by different professional fields.

Description

technical field [0001] The invention relates to a conversion method for integrated data processing of pipeline design in a thermal power plant, in particular to a method for mutual conversion of data between stress analysis and three-dimensional models in pipeline design. Background technique [0002] PDMS (Plant Design Management system) is a three-dimensional layout design management software for factories, which is widely used in engineering design in electric power, chemical industry and other industries. Piping personnel can build detailed three-dimensional pipeline and equipment models on this platform. GLIF is a professional software developed by Northeast Electric Power Design Institute for the stress analysis of power pipes in power plants. It is developed by using structural programming methods and complies with the "Technical Regulations for Stress Calculation of Steam-Water Pipelines in Thermal Power Plants" (DL / T5366-2006). The stress calculation program mainly ...

AI Technical Summary

Problems solved by technology

[0004] (1) Every time the pipeline stress analysis model is adjusted, the 3D pipeline model needs to be manually established in the PDMS software, which involves a lot of repetitive work, wastes a lot of time, and greatly affects work efficiency

[0005] (2) In the process of re-establishing and modifying the 3D model, errors are prone to occur and details are easily lost, especially when the piping layout personnel and the 3D modeling personnel are not the same person, it is more likely to lead to low quality of the final design product and error rate high

[0006] (3) Due to the uncontrollability of the process, the data is easily modified and lost after multiple manual transfers, which affects the consistency of stress analysis and 3D model data, which is not conducive to version control and multi-person and multi-professional collaboration

[0007] (4) Due to the cumbersomeness of the process, the complexity of collaborative design for designers, especially designers of various small professions, is obviously increased, and the workload of each professional is increased

[0009] (1) There is a problem that the pipeline stress data file is inconsistent with the 3D model

[0010] (2) The workload of manually filling in the input file of pipeline stress analysis is heavy, and the designer needs to manually fill in the GLIF software input file according to the data of the PDMS 3D model, which involves a large amount of data format conversion

When the spatial direction of the pipeline in the PDMS 3D model is adjusted for various reasons, it is necessary to manually modify the input file of the pipeline stress analysis many times, which greatly increases the workload of the designer

[0011] (3) The quality of the finished design is low. Since the pipeline model in the PDMS software is not related to the manually filled pipeline stress analysis input file, errors will inevitably occur

Especially for complex multi-branch piping systems, due to the difference in the ability of designers, human factors increase the error rate of calculation data input, and repeated revisions will easily cause designers to focus on one thing and lose another, thus reducing the quality of finished product design

[0012] (4) The data reuse rate in the design process is low. The pipeline design includes 3D model data, stress input data, and pipeline stress calculation result data. data support

[0013] From this, it can be found that no matter what kind of pipeline design method, there are obvious shortcomings such as repeated data input, heavy workload, and high error rate, which cannot meet the requirements of improving design efficiency and quality.

Images