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Computational Simulation of the Nonlinear Response of Suspension Bridges
| 题名： | Computational Simulation of the Nonlinear Response of Suspension Bridges |
| 作者： | D.B. McCallen A. Astaneh'AsI |
| 关键词： | suspension；simulation；bridge；online；linear；ompu；resp；comp；dimension；software |
| 摘要： | Accurate computational simulation of the dynamic response of long-span bridges presents one of the greatest Dimensions and the earthquake engineering community. The size of these structures, in terms of physical dimensions and number of main load bearing members, makes computational simulation of transient response an arduous task. Discretization of a large bridge with general purpose finite element software often results in a computational model of such size that excessive computational effort is required for three dimensional nonlinear analyses. The aim of the current study was the development of efficient, computationally based methodologies for the nonlinear analysis of cable supported bridge systems which would allow accurate characterization of a bridge with a relatively small number of degrees of freedom. This work has lead to the development of a special purpose software program for the nonlinear analysis of cable supported bridges and the methodologies and software sue described and illustrated in this paper. |
| 报告类型： | 科技报告 |
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