基于OpenSees的实时混合模拟试验技术的研究进展
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付忠余(1996—),男,研究生。主要从事抗震研究。E-mail:1936661919@qq.com

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TU443

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国家自然科学基金项目(52108437);大连市青年科技之星项目(2020RQ057)资助


Research Progress of Real-time Hybrid Simulation Test Technology Based on OpenSees
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    摘要:

    实时混合模拟试验技术既可以控制实验成本与规模,又可保证试验数据的准确性,在地震工程中具有良好的发展前景。其中,OpenSees 软件具有灵活高效、材料全面等优势,被广泛作为实时混合模拟试验的数值子结构分析平台。首先,探讨了实时混合模拟试验技术发展历程,梳理了国内外发展重要时间节点;其次,对实时混合模拟理论基础,即实时演算的迭代积分算法的分类与作用进行阐述说明;然后,探究以 OpenSees 软件为数值子结构模拟分析平台,通过 OpenFresco 搭载 TCP/IP 协议实现数值子结构与物理子结构数据交互的混合模拟试验,并依次介绍了国内外重要研究进展;最后,归纳了当前实时混合模拟试验在数值计算与伺服作动器加载方法中存在的问题, 并总结现有的实验精度补偿方法。

    Abstract:

    Real-time hybrid simulation test technology can not only control the experiment cost and scale, but also ensure the accuracy of test data, which has a good development prospect in seismic engineering, among which, OpenSees software has the advantages of flexibility and efficiency, comprehensive materials and so on, and is widely used as a numerical substructure analysis platform for realtime hybrid simulation test. Firstly, the development history of real-time hybrid simulation test technology is discussed, and the important time nodes of development at home and abroad are sorted out. Secondly, the theoretical basis of real-time hybrid simulation, namely the classification and function of the iterative integration algorithm of real-time calculus are expounded. Then, this paper explores the use of OpenSees software as a numerical substructure simulation and analysis platform, realizes the hybrid simulation test of data interaction between numerical substructure and physical substructure by using OpenFresco with TCP/IP protocol, and introduces the important research progress at home and abroad. Finally, the problems existing in numerical calculation and loading method of servo actuator in current real-time hybrid simulation tests are summarized and the corresponding solutions are given.

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付忠余,尹训强,王桂萱.基于OpenSees的实时混合模拟试验技术的研究进展[J].防灾减灾工程学报,2023,43(6):1463-1475

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  • 收稿日期:2022-08-22
  • 最后修改日期:2022-11-24
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  • 在线发布日期:2024-01-11
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