Forward Modeling Method of Gravity and Magnetic Fields and Their Gradient Tensors Based on 3-D Delaunay Discretization in Cartesian and Spherical Coordinate Systems

Yi Zhang1, Chao Chen1, Jinsong Du1,2, Shida Sun1 and Qing Liang1, (1)China University of Geosciences, Hubei Subsurface Multi-Scale Imaging Key Laboratory, Institution of Geophysics and Geomatics, Wuhan, China, (2)Chinese Academy of Sciences, State Key Laboratory of Geodesy and Earth′s Dynamics, Institute of Geodesy and Geophysics, Wuhan, China