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Three-dimensional CSAMT Forward Modeling of Potential Landslide Sliding Surfaces Using Finite Element Method
《Applied Geophysics》2024年第4期621-638,878,共19页Ruo Wang Qingyun Di Da Lei Changmin Fu Pengfei Liang Miaoyue Wang 
supported by the Project 42374170,XDA0430101.and 2022YFF0706200.
Landslides are a type of natural disaster that can cause substantial harm to humanity.Monitoring and predicting the initiation of potential landslides is critical to avoiding losses due to disasters and economic activ...
关键词：CSAMT slide surface modeling truncated boundary survey parameters 
Numerical simulation of two-dimensional magnetotelluric forward modeling of Heifangtai loess landslide in Gansu,China
《Applied Geophysics》2024年第4期752-765,880,共15页Bin Li Qiang Xu Sui-wang Ji Qiang Cheng Tian-Xiang Liu Hu Zhao Ming-gao Tang Guang Zheng 
Loess soils are widely distributed worldwide and typical in northwest China,and excessive agricultural irrigation has caused landslides in the area,specifically in the Heifangtai loess region in Lanzhou,Gansu,China.Ge...
关键词：LANDSLIDE magnetotelluric method engineering geology numerical simulation finite element method 
Fault Interior Structure Index Construction and Quantitative Seismic Interpretation of Fault Facies
《Applied Geophysics》2024年第4期848-868,882,共22页Su Yuping LYU Yan-fang Ma Feng Zhang bin Xie ming-xian Chen guang-po 
sponsored by the Subordinate subject of the National Major Science and Technology Project“Development of Large Oil and Gas Fields and coalbed methane”(2017ZX05001-003);supported by the Science Research Project from CNPC(2019D-0708);supported by the National Natural Science Foundation of China"Quantitative evaluation of sealing capacity of fault rocks with diff erent structures in clastic strata”(41872153).
Fault zones have always drawn attention from the industry,and the performance of a quantitative interpretation of the fault interior structure on seismic data has remained as a big challenge.In this work,we focus on q...
关键词：fault interior structure FIS fault facies seismic forward faulted reservoirs hydrocarbon migration fault sealing 
Applicability of standard forward column/row recurrence equations for ALFs
《Applied Geophysics》2022年第3期424-432,472,共10页Zhang Han-Wei Zhang Hua Li Xiao-Ling Yang Yong-Qin 
supported by NSFC (42074002, 41931075)。
Fully normalized associated Legendre functions(fnALFs)are a set of orthogonal basis functions that are usually calculated by using the recurrence equation.This paper presented the applicability and universality of the...
关键词：fnALFs standard forward column recurrence eqution row recurrence equation 
Forward modeling of tight sandstone permeability based on mud intrusion depth and its application in the south of the Ordos Basin被引量：1
《Applied Geophysics》2021年第3期277-287,431,共12页Liu Wen-hui Lv Xiao-Chun Shen Bo 
supported by the National Natural Science Foundation of China project(No.41504103 and No.41804097).
Permeability is an important index in reservoir evaluation,oil and gas accumulation control,and production effi ciency.At present,permeability can be obtained through several methods.However,these methods are not suit...
关键词：permeability evaluation Darcy flow equation numerical simulation mud invasion depth array induction logging 
Fast forward modeling of gravity anomalies for two-dimensional bodies of arbitrary shape and density distribution
《Applied Geophysics》2020年第5期776-783,902,903,共10页Chen Xin Chen Long-Wei Luo Tian-Ya Xiong Bin 
This work is jointly sponsored by the National Natural Science Foundation of China(No.41404106);the Scientific Research Startup Fund for Doctoral Program of Guilin University of Technology,Guangxi Natural Science Foundation Program(No.2018GXNSFBA138049);Guangxi Natural Science Foundation Program for Innovation Research Team(No.2016GXNSFGA380004).
A fast and high precision spatial domain algorithm is presented for forward modeling of two-dimensional(2D)body gravity anomalies of arbitrary shape and density distribution.The new algorithm takes advantage of the co...
关键词：two-dimensional bodies gravity anomalies forward modeling Toeplitz matrix 
A three-dimensional transient electromagnetic data inversion method based on a time–frequency transformation被引量：2
《Applied Geophysics》2020年第3期361-376,共16页Yang Yun-Jian Wang Xu-Ben Liu Xue-Jun Mi Xiao-Li Mao Lifeng 
the National Key Research and Development Program of China(No.2016YFC060110403).
Herein,a three-dimensional(3D)inversion method in the frequency domain based on a time–frequency transformation was developed to improve the efficiency of the 3D inversion of transient electromagnetic(TEM)data.The Fo...
关键词：Transient electromagnetic method TEM digital filtering time-frequency transformation 3D EM forward 3D EM inversion 
An effi cient scheme for multi-GPU TTI reverse time migration被引量：1
《Applied Geophysics》2019年第1期56-63,共8页Liu Guo-Feng Meng Xiao-Hong Yu Zhen-Jiang Liu Ding-Jin 
supported by the National Key R&D Program of China(2017YFC0602204-01);NSFC(Grant Nos.41530321 and 41104083)
Reverse time migration (RTM) is an indispensable but computationally intensive seismic exploration technique. Graphics processing units (GPUs) by NVIDIA■offer the option for parallel computations and speed improvemen...
关键词：multi-GPU KERNEL PEER-TO-PEER FORWARD MODELING TTI RTM 
Irregular surface seismic forward modeling by a body-fitted rotated–staggered-grid finite-difference method被引量：5
《Applied Geophysics》2018年第3期420-431,共12页Cheng Jing-Wang Fan Na Zhang You-Yuan Lü Xiao-Chun 
supported by the National Nature Science Foundation of China(Nos.41504102 and 41604037);National Science and Technology Major Project(No.2016ZX05015-006);Yangtze University Youth Found(No.2015cqn32)
Finite-difference(FD) methods are widely used in seismic forward modeling owing to their computational efficiency but are not readily applicable to irregular topographies. Thus, several FD methods based on the transfo...
关键词：FINITE DIFFERENCE FORWARD modeling GRID staggered rotated body-fitted SURFACE free BOUNDARY 
Fast 3D forward modeling of the magnetic field and gradient tensor on an undulated surface被引量：1
《Applied Geophysics》2018年第3期500-512,共13页Li Kun Chen Long-Wei Chen Qing-Rui Dai Shi-Kun Zhang Qian-Jiang Zhao Dong-Dong Ling Jia-Xuan 
supported by the National Special Plan for the 13th Five-Year Plan of China(No.2017YFC0602204-10);Independent Exploration of the Innovation Project for Graduate Students at Central South University(No.2017zzts176);National Natural Science Foundation of China(Nos.41574127,41404106,and 41674075);Postdoctoral Fund Projects of China(No.2017M622608);National Key R&D Program of China(No.2018YFC0603602);Natural Science Youth Fund Project of the Hunan Province,China(No.2018JJ3642)
Magnetic field gradient tensor technique provides abundant data for delicate inversion of subsurface magnetic susceptibility distribution. Large scale magnetic data inversion imaging requires high speed and accuracy f...
关键词：Undulated SURFACE magnetic FI eld gradient TENSOR 3D FORWARD modeling Gauss– FFT algorithm WAVENUMBER domain 
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