| 基于综合非线性优化方法的倒张型悬索桥非线性优化设计 |
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| 引用本文： | 郑玉国,袁万城,屈本宁. 基于综合非线性优化方法的倒张型悬索桥非线性优化设计[J]. 计算力学学报, 2008, 25(Z1) |
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| 作者姓名： | 郑玉国 袁万城 屈本宁 |
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| 作者单位： | 同济大学土木工程防灾国家重点实验室;湖南科技大学土木工程学院;昆明理工大学建筑工程学院; |
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| 基金项目： | 国家自然科学基金 ， 国家科技支撑计划 ， 交通部科技计划 |
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| 摘 要： | 提出随机优化、零阶优化和一阶优化相结合的综合非线性优化方法,并通过对ANSYS程序的二次开发编制全面优化设计和非线性有限元分析的综合辅助程序,从而对倒张型悬索桥进行非线性优化设计,以更合理地确定倒张型悬索桥设计中的关键因素,最终使倒张型悬索桥的受力和变形达到均匀合理的状态,以利于实际工程设计和应用.从优化设计前后的对比可以看出,本文的综合非线性优化方法和综合辅助程序简单有效,优化的效果显著.
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| 关 键 词： | 倒张型悬索桥 非线性优化设计 综合非线性优化方法 参数化建模 ANSYS二次开发 |
Nonlinear optimal design of under-tension suspension bridge based on synthesized nonlinear optimization method |
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| ZHENG Yu-guo,,YUAN Wan-cheng,QU Ben-ning. Nonlinear optimal design of under-tension suspension bridge based on synthesized nonlinear optimization method[J]. Chinese Journal of Computational Mechanics, 2008, 25(Z1) |
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| Authors: | ZHENG Yu-guo YUAN Wan-cheng QU Ben-ning |
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| Affiliation: | 1.State Key Laboratory for Disaster Reduction in Civil Engineering;Tongji University;Shanghai 200092;China;2.School of Civil Engineering;Hunan University of Science and Technology;Xiangtan;411201;3.School of Architecture Engineering;Kunming University of Science and Technology;Kunming;650093;China |
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| Abstract: | A synthesized optimization method is presented in the paper,which is the synthesis of random optimization,zero-order optimization and first-order optimization.And the program ANSYS is secondly exploited o compile a synthesized program for the comprehensive optimization and nonlinear analysis of the under-tension suspension bridge.Then some essential aspects in the design of the bridge can be determined more appropriately so that the mechanical and deformation status of the bridge is desired to be more ratio... |
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| Keywords: | under-tension suspension bridge nonlinear optimal design synthesized nonlinear optimization method parameterized modeling second-exploitation of ANSYS |
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