Results 31 to 40 of about 154 (87)
Pseudovector hyperbolic differential operators of hemitropic micropolar elasticity
В статье обсуждаются вопросы, связанные с выводом и преобразованиями дифференциальных операторов, соответствующих модели гемитропного микрополярного континуума, при изменении ориентации базисного репера. Приводятся необходимые сведения из алгебры псевдотензоров.
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Positive definiteness in coupled strain gradient elasticity [PDF]
The linear theory of coupled gradient elasticity has been considered for hemitropic second gradient materials, specifically the positive definiteness of the strain and strain gradient energy density, which is assumed to be a quadratic form of the strain ...
Altenbach, Holm +2 more
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Unilateral contact problems with a friction [PDF]
The boundary contact problem for a micropolar homogeneous elastic hemitropic medium with a friction is investigated. Here, on a part of the elastic medium surface with a friction, instead of a normal component of force stress there is prescribed the ...
Gachechiladze, Avtandil +1 more
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In continuous medium physics, crystal physics and related fields, the properties of the studied objects are described by means of Euclidean tensors of various orders.
Andrzej Ziółkowski
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Computation of minimal covariants bases for 2D coupled constitutive laws [PDF]
We produce minimal integrity bases for both isotropic and hemitropic invariant algebras (and more generally covariant algebras) of most common bidimensional constitutive tensors and -- possibly coupled -- laws, including piezoelectricity law ...
Desmorat, Boris +9 more
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On Equilibrium Stability Criteria for Hemitropic Micropolar Elastic Media
Evgenii V. Murashkin, Yuri N. Radayev
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Reducing natural forms of hemitropic energy potentials to conventional ones
В работе рассматривается проблема приведения естественных энергетических форм потенциалов напряжений (силовых и моментных) к конвенциональному виду. Приводятся несколько энергетических форм для гемитропной упругой среды в терминах асимметричных тензоров напряжений и деформаций.
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Local symmetry group in the general theory of elastic shells
We establish the local symmetry group of the dynamically and kinematically exact theory of elastic shells. The group consists of an ordered triple of tensors which make the shell strain energy density invariant under change of the reference placement ...
Pietraszkiewicz W., Eremeyev V. A.
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BackgroundInter-hemispheric disconnection is a primary pathological finding in schizophrenia. However, given the inherent complexity of this disease and its development, it remains unclear as to whether associated inter-hemispheric changes play an ...
Huan Huang (724980) +6 more
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Plane harmonic waves in a hemitropic micropolar body
В настоящей работе рассматривается процесс распространения плоских монохроматических связанных волн перемещений и микровращений в линейном полуизотропном микрополярном теле. Получено уравнение для определения волнового числа продольной и поперечной плоской монохроматической волны.
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