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《Chinese Journal of Geophysics》 1987-01
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A STUDY ON CHARACTERISTICS OF WAVE PROPAGATION IN A VERTICALLY INHOMOGENEOUS MEDIUM

REN JIA-XIANG DU SHI-TONG YU KANG-YIN(East China Petroleum Institute, Shandong Dongying)  
According to the variational principle for wave propagation, the elastic wave equation and the compressional and shear wave equations in a vertically inhomogeneous medium are developed.Under different assumptions,several simplified forms of the compressional and shear wave equations are derived One of them is the variable coefficient wave equation often used in the seismic prospecting The numerical solution of the wave equation in the vertically inhomogeneous medium is obtaind by the use of finite element method.A discussion is made on the coupling intensity between the compressional and shear waves and the amplitude attenuation resulting from the inhomogeneity of the medium.
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【References】
Chinese Journal Full-text Database 3 Hits
1 Zhang Weigang Liu Baohua (College of Marine Geology, Ocean University of Qingdao, Qingdao, 266003);Characteristics of Seismic Wave Propagation in a Medium with Linear Change of Velocity[J];Journal of Ocean University of Qingdao;1998-02
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【Citations】
Chinese Journal Full-text Database 1 Hits
1 Liao Zhenpeng (Institute of Engineering Mechanics, Academia Sinica);A FINITE MODEL FOR PROBLEMS OF TRANSIENT SCALAR WAVES IN AN INFINITE ELASTIC MEDIUM[J];Earthquake Engineering and Engineering Vibration;1982-04
【Co-citations】
Chinese Journal Full-text Database 9 Hits
1 Liao Zhenpeng (Institute of Engineering Mechanics, Academia Sinica);A FINITE ELEMENT METHOD FOR NEAR-FIELD WAVE MOTION IN HETEROGENEOUS MATERIALS[J];Earthquake Engineering and Engineering Vibration;1984-02
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3 Liao Zhenpeng Liu Jingbo (Institute of Engineering Mechanics, SSB);FINITE ELEMENT SIMULATION OF WAVE MOTION ——Basic Problems and Conceptual Aspects[J];Earthquake Engineering and Engineering Vibration;1989-04
4 FENG RUI (Institute of Geophysics, State Seismological Bureau)E. E. KANASEWICH (Department of Physics, University of Alberta, Canada);PROPAGATING ENCLOSURE METHOD IN FINITE ELEMENT ANALYSIS[J];Chinese Journal of Geophysics;1985-01
5 YUAN YIFAN LIAO ZHENPENG (Institute of Engineering Mechanics, Academia Sinica);NUMERICAL SOLUTION OF WAVE FIELD NEAR A DIS- LOCATION SOURCE IN AN ELASTIC HALF-SPACE[J];Acta Seismologica Sinica;1984-03
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9 Ren Jiaxiang Yu Kangyin;CONSTRUCTION OF THE SYNTHETIC SEIS-MOGRAM BY FINITE ELEMENT METHOD[J];Geophysical Prospecting For Petrole;1988-01
【Co-references】
Chinese Journal Full-text Database 10 Hits
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7 Shu Hongchun, St Dajun, Gao Feng, Ge Yaozhong, Chen Xueyun(1. Kunming University of Science and Technology, Kunming 650051, China)(2. Xi'an Jiaotong University, Xi'an 710049, China)(3. Harbin institute of Technology, Harbin 150001, China);A NEW NUMERICAL METHOD FOR COMPUTING ELECTROMAGNETIC TRANSIENTSOF HV TRANSMISSION LINE FAULTS AND CIRCUIT BREAKER OPERATIONS[J];AUTOMATION OF ELECTRIC POWER SYSTEMS;2000-20
8 Zhang Pengfei , Xue Yusheng , Zhang Qiping , Li Gang , Cao Lu (Nanjing Automation Research Institute, Nanjing 210003, China) (Shandong University, Jinan 250061, China) (East China Grid Company Limited, Shanghai 200002, China);QUANTITATIVE TRANSIENT STABILITY ASSESSMENT METHOD USING PHASOR MEASUREMENT[J];Automation of Electric Power Systems;2004-20
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【Secondary Citations】
Chinese Journal Full-text Database 2 Hits
1 Liao Zhenpeng, Yang Baipo, Yuan Yifan (Institute of Engineering Mechanics, Academia Sinica);EFFECTS OF THREE-DIMENSIONAL TOPOGRAPHY ON EARTHQUAKE GROUND MOTION[J];Earthquake Engineering and Engineering Vibration;1981-01
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