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A convergent low-wavenumber, high-frequency homogenization of the wave equation in periodic media with a source term 期刊论文
APPLICABLE ANALYSIS, 2021, 页码: 34
Authors:  Meng, Shixu;  Oudghiri-Idrissi, Othman;  Guzina, Bojan B.
Favorite  |  View/Download:30/0  |  Submit date:2021/10/26
Waves in periodic media  dynamic homogenization  finite frequency  band gap  (Floquet-)Bloch transform  variational formulation  
ON THE EXISTENCE OF INVARIANT TORI IN NON-CONSERVATIVE DYNAMICAL SYSTEMS WITH DEGENERACY AND FINITE DIFFERENTIABILITY 期刊论文
DISCRETE AND CONTINUOUS DYNAMICAL SYSTEMS, 2019, 卷号: 39, 期号: 7, 页码: 4225-4257
Authors:  Li, Xuemei;  Shang, Zaijiu
Favorite  |  View/Download:53/0  |  Submit date:2020/01/10
Invariant torus  small frequency  degeneracy  finite differentiability  
Frequency multiscale full-waveform velocity inversion 期刊论文
CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION, 2015, 卷号: 58, 期号: 1, 页码: 216-228
Authors:  Zhang WenSheng;  Luo Jia;  Teng JiWen
Favorite  |  View/Download:25/0  |  Submit date:2021/01/14
ABSORBING BOUNDARY-CONDITIONS  SEISMIC-REFLECTION DATA  FINITE-FREQUENCY  DIFFRACTION TOMOGRAPHY  ELASTIC INVERSION  NEWTON METHODS  GAUSS-NEWTON  DOMAIN  MEDIA  MINIMIZATION  Acoustic wave equation  Frequency multiscale  Time domain  Full-waveform inversion  Velocity  BFGS  Marmousi model  Finite-difference method  MPI parallel