Introduction to the special issue on rotational seismology and engineering applications

WHK Lee, M Celebi… - Bulletin of the …, 2009 - pubs.geoscienceworld.org
Rotational seismology is an emerging field for studying all aspects of rotational ground
motions induced by earthquakes, explosions, and ambient vibrations. It is of interest to a …

An asymmetric elastic metamaterial model for elastic wave cloaking

HK Zhang, Y Chen, XN Liu, GK Hu - Journal of the Mechanics and Physics …, 2020 - Elsevier
Elastic material with its elastic tensor losing minor symmetry is considered impossible
without introducing artificially body torque. Here we demonstrate the feasibility of such …

[HTML][HTML] Material symmetry group of the non-linear polar-elastic continuum

VA Eremeyev, W Pietraszkiewicz - International Journal of Solids and …, 2012 - Elsevier
We extend the material symmetry group of the non-linear polar-elastic continuum by taking
into account microstructure curvature tensors as well as different transformation properties of …

Tutorial on rotations in the theories of finite deformation and micropolar (Cosserat) elasticity

J Pujol - Bulletin of the Seismological Society of America, 2009 - pubs.geoscienceworld.org
Although earthquake source studies have had a great impact on tectonics studies, there are
at least two important problems for which seismology seems unable to provide answers …

Reduced linear constrained elastic and viscoelastic homogeneous Cosserat media as acoustic metamaterials

EF Grekova, AV Porubov, F dell'Isola - Symmetry, 2020 - mdpi.com
We consider the reduced constrained linear Cosserat continuum, a particular type of a
Cosserat medium, for three different material behaviors or symmetries: the isotropic elastic …

Tutorial on rotational seismology and its applications in exploration geophysics

Z Li, M van der Baan - Geophysics, 2017 - pubs.geoscienceworld.org
Traditionally, seismological interpretations are based on the measurement of only
translational motions, such as particle displacement, velocity, and/or acceleration, possibly …

Scattering and propagation characteristics of SH wave in reduced Cosserat isotropic layered structure at irregular boundaries

MS Chaki, AK Singh - Mathematical Methods in the Applied …, 2021 - Wiley Online Library
In the present paper, scattering phenomena has been studied when propagating SH wave
incident on the irregular upper boundary of a linear‐reduced Cosserat isotropic layer/half …

Micropolar modelling of rotational waves in seismology

R Abreu, J Kamm, AS Reiß - Geophysical Journal International, 2017 - academic.oup.com
In this contribution we study elastic wave propagation via the introduction of the micropolar
theory. As a generalization of a classical linear elastic medium, a micropolar medium allows …

A more complete thermodynamic framework for fluent continua

K Surana - Journal of Thermal Engineering, 2015 - dergipark.org.tr
Polar decomposition of the changing velocity gradient tensor in a deforming fluent continua
into pure stretch rates and rates of rotations shows that a location and its neighboring …

Plane waves in the linear elastic reduced Cosserat medium with a finite axially symmetric coupling between volumetric and rotational strains

EF Grekova - Mathematics and Mechanics of Solids, 2016 - journals.sagepub.com
We consider plane waves in the linear elastic reduced Cosserat continuum, a medium
where point-bodies have independent rotational and translational degrees of freedom, but …