TN252 2002064255菲涅耳波导的波导色散特性分析=Analysis on disper-sion characteristics of Fresnd waveguide[刊,中]/占恒正,扬方辉.王明华,江晓清(浙江大学信息与电子工程学系.浙江,杭州(310027))∥光电子·激光.—2002,13(1)....TN252 2002064255菲涅耳波导的波导色散特性分析=Analysis on disper-sion characteristics of Fresnd waveguide[刊,中]/占恒正,扬方辉.王明华,江晓清(浙江大学信息与电子工程学系.浙江,杭州(310027))∥光电子·激光.—2002,13(1).—16-19采用转移矩阵法对菲涅耳波导的波导色散特性进行了分析,讨论了波长。展开更多
Based on the construction bridge of Xiamen-Shenzhen high-speed railway(9-32 m simply-supported beam + 6×32 m continuous beam),the pier-beam-track finite element model,where the continuous beam of the ballast trac...Based on the construction bridge of Xiamen-Shenzhen high-speed railway(9-32 m simply-supported beam + 6×32 m continuous beam),the pier-beam-track finite element model,where the continuous beam of the ballast track and simply-supported beam are combined with each other,was established.The laws of the track stress,the pier longitudinal stress and the beam-track relative displacement were analyzed.The results show that reducing the longitudinal resistance can effectively reduce the track stress and the pier stress of the continuous beam,and increase the beam-track relative displacement.Increasing the rigid pier stiffness of continuous beam can reduce the track braking stress,increase the pier longitudinal stress and reduce the beam-track relative displacement,Increasing the rigid pier stiffness of simply-supported beam can reduce the track braking stress,the rigid pier longitudinal stress and the beam-track relative displacement.展开更多
文摘TN252 2002064255菲涅耳波导的波导色散特性分析=Analysis on disper-sion characteristics of Fresnd waveguide[刊,中]/占恒正,扬方辉.王明华,江晓清(浙江大学信息与电子工程学系.浙江,杭州(310027))∥光电子·激光.—2002,13(1).—16-19采用转移矩阵法对菲涅耳波导的波导色散特性进行了分析,讨论了波长。
基金Project(50678176) supported by the National Natural Science Foundation of China
文摘Based on the construction bridge of Xiamen-Shenzhen high-speed railway(9-32 m simply-supported beam + 6×32 m continuous beam),the pier-beam-track finite element model,where the continuous beam of the ballast track and simply-supported beam are combined with each other,was established.The laws of the track stress,the pier longitudinal stress and the beam-track relative displacement were analyzed.The results show that reducing the longitudinal resistance can effectively reduce the track stress and the pier stress of the continuous beam,and increase the beam-track relative displacement.Increasing the rigid pier stiffness of continuous beam can reduce the track braking stress,increase the pier longitudinal stress and reduce the beam-track relative displacement,Increasing the rigid pier stiffness of simply-supported beam can reduce the track braking stress,the rigid pier longitudinal stress and the beam-track relative displacement.
