西南交通大学
South West Jiaotong University
随着计算机技术不断发展及计算理论研究的深入,数值方法成为了分析桥梁结构力学行为的主要的方法。通过桥对梁结构的数值模拟,能获得在各种复杂作用下的力学行为和响应,在效率和适应性方面远高于解析方法和模型试验。以近年来国内外相关的研究文献成果为基础,对数值分析技术在桥梁结构分析中的应用及最新研究成果进行了综述。重点关注了与桥梁结构主要力学行为分析相关的有限元数值模拟相关的理论与方法,对桥梁结构数值化模拟方法中的梁的理论最新研究方向、主流的非线性分析方法与技术、桥梁结构材料的多种数值化本构模型研究进展,桥梁结构腐蚀环境下力学性能的时效性、耐久性评价的有限元方法,以及基于梁理论的组合结构的数值模拟方法等最新研究成果进行了综述,对这一领域需要进一步研究和解决的问题进行了讨论及展望。
Zhou Linyuan (School of Civil Engineering, Southwest Jiaotong University, Chengdu 610031,China) Abstract: With the development of computer technology and in-depth study of computation theory, numerical analysis has become the major analysis method for bridge structure. At present, through the numerical simulation of bridge structure, the mechanical behavior and response under various complex actions can be obtained, with which the calculation efficiency and adaptability are far higher than those of analytical method and model test. Based on the relevant research results at home and abroad in recent years, the application of numerical analysis technology in bridge structure analysis and the latest research results are summarized. This paper mainly focuses on the finite element numerical simulation technology related to the analysis of the main mechanical behavior of bridge structure, including the latest research direction of beam theory, the nonlinear analysis methods and technologies, the research progress of a variety of numerical constitutive models for bridge structure materials, and the timeliness of Mechanical properties of bridge structures under corrosive environment. The new development of finite element method and numerical simulation method of composite structure based on beam theory are summarized. Finally, the problems that need to be further studied and solved in this field are analyzed and prospected.
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