Effects of topographic amplification induced by a U‐shaped canyon on seismic waves

Y Gao, N Zhang, D Li, H Liu… - Bulletin of the …, 2012 - pubs.geoscienceworld.org
The series solution of wave functions for 2D scattering and diffraction of plane SH (shear
horizontal) waves induced by a U‐shaped canyon is proposed herein to account for the …

Seismic ground amplification by unlined tunnels subjected to vertically propagating SV and P waves using BEM

H Alielahi, M Kamalian, M Adampira - Soil Dynamics and Earthquake …, 2015 - Elsevier
Recent researches have revealed that the seismic ground response above tunnels can be
different from the free-field motion during earthquakes. Nevertheless, to the best of the …

Scattering of SH waves induced by a non-symmetrical V-shaped canyon

N Zhang, Y Gao, Y Cai, D Li, Y Wu - Geophysical Journal …, 2012 - academic.oup.com
Topographies have significant effects on seismic waves. The wavefunction expansion
method has been frequently employed to study the topographic effect because this method …

Wave scattering of plane P, SV, and SH waves by a 3D alluvial basin in a multilayered half‐space

Z Ba, Y Wang, J Liang, VW Lee - Bulletin of the …, 2020 - pubs.geoscienceworld.org
ABSTRACT A special indirect boundary element method (IBEM) is proposed to investigate
the waves scattering of plane P, SV, and SH waves by a 3D alluvial basin embedded in a …

A BEM investigation on the influence of underground cavities on the seismic response of canyons

H Alielahi, M Kamalian, M Adampira - Acta Geotechnica, 2016 - Springer
Two-dimensional site effects caused by cavities under topographical functions can
considerably impact the seismic reaction of the ground surface. Due to the complexity of …

Transient Response of Irregular Surface by Periodically Distributed Semi-Sine Shaped Valleys: Incident Waves

M Panji, S Mojtabazadeh-Hasanlouei - Journal of Earthquake and …, 2020 - World Scientific
An advanced direct half-plane time-domain boundary element method (BEM) was applied to
obtain the seismic response of a linear elastic irregular surface including periodically …

An indirect boundary element method to model the 3-D scattering of elastic waves in a fluid-saturated poroelastic half-space

Z Liu, L Liu, J Liang, Y Zhou - Engineering Analysis with Boundary …, 2016 - Elsevier
The indirect boundary element method (IBEM) is extended to solve the scattering of elastic
waves by three-dimensional (3-D) subsurface irregularities in a fluid-saturated poroelastic …

IBIEM modelling of the amplification of seismic waves by a three-dimensional layered alluvial basin

Z Liu, J Liang, Y Huang, L Liu - Geophysical Journal …, 2016 - academic.oup.com
We develop an indirect boundary integral equation method (IBIEM) to solve the scattering of
seismic waves by a 3-D layered alluvial basin. We adopt the dynamic Green's functions for …

Scattering and reflection of SH waves around a slope on an elastic wedged space

Q Liu, Z Wu, VW Lee - Earthquake Engineering and Engineering Vibration, 2019 - Springer
The scattering and reflection of SH waves by a slope on an elastic wedged space is
investigated. A series solution is obtained by using the wave function expansion method …

Surface motion of a layered transversely isotropic half-space with a 3D arbitrary-shaped alluvial valley under qP-, qSV-and SH-waves

J Liang, M Wu, Z Ba, VW Lee - Soil Dynamics and Earthquake Engineering, 2021 - Elsevier
An indirect boundary element method (IBEM) is proposed to solve the scattering of qP-, qSV-
and SH-waves by a three-dimensional (3D) arbitrary-shaped alluvial valley embedded in a …