... ABSTRACT A feasibility study on 3D frequency-domain anisotropic elastic wave modeling is conducted. The spectral element method is applied to discretize the 3D frequency-domain anisotropic elastic wave equation and the linear system is solved by parallel direct solvers, MUMPS andWSMP. A hybrid...

... ABSTRACT We present an efficient and accurate numerical algorithm for the simulation of borehole acoustic experiments. The basis of the approach is a heterogeneous spectral element method applied to acoustic-elastic wave equation. The approach was designed to simulate wave propagation in 3D...

... environments. When considering challenging land problems, efficient strategies are required for moving toward elastic inversion. We present such approach for 3D elastic time-domain inversion, based on spectral element methods designed on cartesian-based meshes. The proposed workflow integrates an easy...

...Application of Spectral Element Method for Airborne EM Modeling Xin Huang, Changchun Yin*, Yunhe Liu, Xiaoyue Cao, Yongchao Lu and Jing Cai, College of Geo-exploration Sciences and Technology, Jilin University, China 130026 Summary Spectral element method (SE) is a kind of numerical simulation...

...1 Coarse-Grain Viscoelastic Simulations in Spectral Element Method Chang-hua Zhang1*, Mingqiu Luo1,2,Chenghong Zhu2,Yequan Chen2, Ling Dong2 1) BroadGeo Inc., Houston, TX 77099, USA 2) SINOPEC Petroleum Exploration and Production Research Company, Haidian, Beijing 10001, China SUMMARY The anelastic...

... SUMMARY The Spectral Element Method (SEM), widely used in engineering sciences but almost unknown in Oil&Gas exploration, is a numerical technique for large scale and multi-physics simulations. SEM is an h-p approximation of the problem solution that allows a quasi-optimal...

... receiver acoustic emission data acoustic emission tensor upstream oil & gas borehole acoustic emission event polarity pinducer reservoir characterization laboratory experiment waveform spectral element method experiment tensor analysis synthetic data seg seg denver 2010...

... with the Spectral Element Method with meshes honoring all interfaces. Furthermore We compare the results obtained in the homogenized model and in a low-pass filtered model with respect to the reference solution. INTRODUCTION Being able to model and understand wave propagation in complex media is a constant...

... velocity modulus analytical solution operator approach spectral element method Summary Modeling of wave propagation in a realistic geological environment needs a numerical scheme able to handle complex shapes and geometries. Finite difference scheme based on a generalization of the rotated...

... ABSTRACT No preview is available for this paper. two-dimensional elastic wave equation upstream oil & gas accuracy priolo reservoir characterization homogeneous medium expansion matrix seriani spem subdomain element method spectral element method denote equation...

... ABSTRACT No preview is available for this paper. equation acoustic wave equation arc polynomial element method wave equation approximation reservoir characterization wavelength spectral element method differential equation high-order spectral element method upstream oil...