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在结构动力响应时程分析中,如何对计算得到的大量结果进行合理的处理和表达直接影响到我们对结构动力响应的理解和认识。应用科学计算可视化的基本原理和方法,本文对大型土木工程结构在地震作用下结构动力分析时程分析结果的图形表达进行了系统深入的研究,建立了相应的数据结构和可视化模型,提出了对结构动力响应时程分析计算结果的计算机动画显示处理方案,并以OpenGL作为图形工具对程序设计进行了讨论。应用所提出的三维物体表示方法和相应软件技术,建立了结构的真实感模型并完成了典型结构动力响应时程分析结果的计算机动画显示。
In the structural dynamic response time history analysis, how to reasonably process and calculate a large number of results has a direct impact on our understanding and understanding of the structural dynamic response. Based on the basic principle and method of scientific visualization, this paper studies the graphical representation of the results of time-history analysis of structural dynamic analysis of large-scale civil engineering structures under earthquake and establishes the corresponding data structure and visualization model. Structural dynamic response time-history analysis of the computer animation results show the processing scheme, and OpenGL as a graphical tool for program design were discussed. By using the presented three-dimensional object representation method and corresponding software technology, a realistic model of the structure is established and a computer animation of the time-history analysis result of the typical structure dynamic response is completed.