| 曲线箱梁桥地震反应的频域精细传递矩阵法 |
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| 引用本文： | 孙建鹏,李青宁. 曲线箱梁桥地震反应的频域精细传递矩阵法[J]. 地震工程与工程振动, 2009, 29(4) |
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| 作者姓名： | 孙建鹏 李青宁 |
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| 作者单位： | 西安建筑科技大学,土木工程学院,陕西,西安710055 |
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| 基金项目： | 西安建筑科技大学重大科技项目创新基金，陕西省重点学科建设专项资金资助项目，陕西省自然科学基础研究计划项目 |
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| 摘 要： | 本文将高精度的精细积分法和力学概念清晰的传递矩阵法结合起来,以微分方程和矩阵分析理论为基础,提出了一种新的精细传递矩阵形式,在频域内对曲线箱梁桥地震反应进行分析. 与传统的传递矩阵法相比,无需对微分方程进行求解,只需按照迭代公式进行计算,就可以得到所需要的传递矩阵.这种方法公式简单,理论上可实现任意精度要求,而且计算效率较高.能够快速、高精度地进行曲线梁桥的地震反应分析.算例显示了精细传递矩阵法的有效性..
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| 关 键 词： | 精细传递矩阵法 傅里叶变换 地震反应 频域 曲线箱形梁桥 |
Precise transfer matrix method for solving earthquake response of curved box bridges |
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| SUN Jianpeng,LI Qingning. Precise transfer matrix method for solving earthquake response of curved box bridges[J]. Earthquake Engineering and Engineering Vibration, 2009, 29(4) |
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| Authors: | SUN Jianpeng LI Qingning |
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| Affiliation: | SUN Jianpeng,LI Qingning (School of Civil engineering,Xi'an University of Architecture , Technology,Xi'an 710055,China) |
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| Abstract: | The traditional transfer matrix method needs to solve the differential equations to get the transfer matrix.The formula is cumbersome and complex.This paper combines the transfer matrix method with the index computing skills of precise transfer matrix method to make the dynamic analysis of curved box bridges.Comparing with the traditional transfer matrix method,this method does not need to solve the differential equations.By using the iterative formula,it can get the necessary transfer matrix.The formula is... |
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| Keywords: | precise integration transfer matrix method Fourier transform earthquake response frequency domain curved box bridge |
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