Semi-analytical solution for the generalized absorbing boundary condition in molecular dynamics simulations
Sign Up to like & getrecommendations! Published in 2017 at "Computational Mechanics"
DOI: 10.1007/s00466-017-1389-0
Abstract: We present a semi-analytical solution of a time-history kernel for the generalized absorbing boundary condition in molecular dynamics (MD) simulations. To facilitate the kernel derivation, the concept of virtual atoms in real space that can… read more here.
Keywords: absorbing boundary; semi analytical; analytical solution; boundary condition ... See more keywords
Hybrid absorbing boundary condition for three-dimensional elastic wave modeling
Sign Up to like & getrecommendations! Published in 2017 at "Applied Geophysics"
DOI: 10.1007/s11770-017-0623-z
Abstract: Edge reflections are inevitable in numerical modeling of seismic wavefields, and they are usually attenuated by absorbing boundary conditions. However, the commonly used perfectly matched layer (PML) boundary condition requires special treatment for the absorbing… read more here.
Keywords: elastic wave; three dimensional; boundary condition; wave ... See more keywords
The double absorbing boundary method for the Helmholtz equation
Sign Up to like & getrecommendations! Published in 2021 at "Applied Numerical Mathematics"
DOI: 10.1016/j.apnum.2021.05.029
Abstract: Abstract The Double Absorbing Boundary (DAB) is a recently proposed absorbing layer used to truncate an unbounded domain with high-order accuracy. While it was originally designed for time-dependent acoustics and elastodynamics, here the DAB construction… read more here.
Keywords: double absorbing; method helmholtz; helmholtz equation; boundary method ... See more keywords
A local time-domain absorbing boundary condition for scalar wave propagation in a multilayered medium
Sign Up to like & getrecommendations! Published in 2020 at "Computers and Geotechnics"
DOI: 10.1016/j.compgeo.2020.103809
Abstract: Abstract An absorbing boundary condition (ABC) is particularly important for finite element simulation of wave propagation in a multilayered medium. In this paper, a spatially and temporally local high-order absorbing boundary condition is proposed for… read more here.
Keywords: domain; boundary condition; wave propagation; absorbing boundary ... See more keywords
Implemention of perfectly matched layer absorbing boundary condition for CN-RPIM method
Sign Up to like & getrecommendations! Published in 2017 at "Electronics Letters"
DOI: 10.1049/el.2016.4089
Abstract: In this Letter, the perfectly matched layer (PML) absorbing boundary condition is incorporated into the unconditionally stable radial point interpolation meshless method based on CrankâNicolson radial point interpolation method scheme. By splitting field variables in… read more here.
Keywords: perfectly matched; boundary condition; method; absorbing boundary ... See more keywords
Hybrid absorbing boundary condition for piecewise smooth curved boundary in 2D acoustic finite difference modelling
Sign Up to like & getrecommendations! Published in 2017 at "Exploration Geophysics"
DOI: 10.1071/eg17012
Abstract: Flexible computational domains and their corresponding irregular absorbing boundary conditions (ABCs) have previously been shown to improve the efficiency of finite difference (FD) modelling. However, these proposed ABCs for irregular boundaries are based on irregular… read more here.
Keywords: piecewise smooth; curved boundary; absorbing boundary; finite difference ... See more keywords
The Split-Field PML Absorbing Boundary Condition for the Unconditionally Stable Node-Based LOD-RPIM Method
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Antennas and Wireless Propagation Letters"
DOI: 10.1109/lawp.2018.2870660
Abstract: To numerically model open-domain structures and radiation problems, an absorbing boundary condition (ABC) has to be applied to emulate infinite open space. In this letter, the split-field perfectly matched layer (PML) ABC is developed and… read more here.
Keywords: boundary condition; unconditionally stable; method; split field ... See more keywords
Performance and stability of the double absorbing boundary method for acoustic-wave propagation
Sign Up to like & getrecommendations! Published in 2019 at "GEOPHYSICS"
DOI: 10.1190/geo2018-0161.1
Abstract: The double absorbing boundary (DAB) is a novel extension to the family of high-order absorbing boundary condition operators. It uses auxiliary variables in a boundary layer to set up cancellation waves that suppress wavefield energy… read more here.
Keywords: double absorbing; order; stability; layer ... See more keywords
Numerical Stability Investigations of the Method of Fundamental Solutions Applied to Wave-Current Interactions Using Generating-Absorbing Boundary Conditions
Sign Up to like & getrecommendations! Published in 2021 at "Symmetry"
DOI: 10.3390/sym13071153
Abstract: In this paper, the goal is to revolve around discussing the stability of the Method of Fundamental Solutions (MFS) for the use case of wave-current interactions. Further, the reliability of Generating-Absorbing Boundary Conditions (GABCs) applied… read more here.
Keywords: current interactions; fundamental solutions; generating absorbing; wave current ... See more keywords
Effectiveness and computational efficiency of absorbing boundary conditions for full-waveform inversion
Sign Up to like & getrecommendations! Published in 2022 at "Geoscientific Model Development"
DOI: 10.5194/gmd-15-5857-2022
Abstract: Abstract. Full-waveform inversion (FWI) is a high-resolution numerical technique for seismic waves used to estimate the physical characteristics of a subsurface region. The continuous problem involves solving an inverse problem on an infinite domain, which… read more here.
Keywords: full waveform; waveform inversion; computational efficiency; effectiveness computational ... See more keywords