Virtual visual reconstruction method for ship structure finite element model

Abstract

The invention relates to a ship structure finite element model virtual visualization reconstruction method comprising the following steps: extracting finite element model characteristic information, pre-defining a general visualization data storage format function library and a configuration file, and generating a characteristic information file; establishing a data conversion interface through the predefined function library, reconstructing the finite element model, correcting three-dimensional point cloud data of the reconstructed model into a triangular network topological structure in a unified form, and processing and correcting the topological structure; the reconstructed finite element model is published through a system, and the virtual visualization reconstruction method of the ship structure finite element model is achieved. According to the method, the finite element analysis technology and the virtual reality technology are combined, efficient inspection and correction of the quality of the finite element grid can be achieved, and an effective way is provided for visualization of postprocessing of the finite element analysis result.

Description

technical field [0001] The invention relates to the technical field of three-dimensional visualization display, in particular to a virtual visualization reconstruction method of a finite element model of a ship structure. Background technique [0002] Finite element numerical simulation is an important means to carry out mechanical research, and is used in many fields such as ships, automobiles, aerospace, rotating machinery, bridges, geotechnical and geological engineering. Finite element numerical simulation includes three processes: pre-processing, analysis calculation and post-processing. The pre-processing includes geometric model construction, mesh division, determination of initial conditions and boundary conditions, etc.; analysis and calculation is to establish the corresponding numerical model and complete the corresponding solution. Calculations, such as statics, dynamics, ultimate strength, etc.; post-processing is to present analysis results in graphics, tables,...

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Problems solved by technology

[0006]The purpose of the present invention is to propose a virtual visualization reconstruction method of the finite element model of ship structure, which solves the virtual visualization of ship structure in the process of building and correcting the finite element numerical model To solve problems, build an effective and reliable general design platform to improve the efficiency of structural design and analysis for designers

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