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Reducing natural forms of hemitropic energy potentials to conventional ones

Приведение естественных форм гемитропных энергетических потенциалов к конвенциональным

Reducing natural forms of hemitropic energy potentials to conventional ones

Abstract

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. Указанные энергетические формы полагаются абсолютно инвариантными по отношению к произвольным преобразованиям трехмерного Евклидова пространства (в том числе, при зеркальных отражениях). В результате применения специальных координатных представлений полуизотропных (гемитропных) тензоров четвертого ранга получены 9 определяющих скаляров, характеризующих гемитропную упругую среду. Получены соотношения, связывающие определяющие скаляры конвенциональной и второй основной естественной энергетических форм, в том числе, с общепринятыми гемитропными скалярами: модулем сдвига, коэффициентом Пуассона, характерной микродлиной, и шестью безразмерными скалярами The paper is devoted to the problem of reducing the natural energy form of stress potentials (force and couple) to a conventional one. Several energy forms are given for a hemitropic elastic medium in terms of asymmetric stress and strain tensors. These energy forms are assumed to be absolutely invariant with respect to arbitrary transformations of the three-dimensional Euclidean space (including mirror reflections). As a result of applying special coordinate representations of semi-isotropic (hemitropic) tensors of the fourth rank, 9 defining scalars characterizing a hemitropic elastic medium are obtained. Equations for constitutive scalars of the conventional form are derived in terms of constitutive scalars of the second base natural energy form and in terms of commonly used hemitropic scalars: shear modulus, Poisson’s ratio, characteristic microlength, and six dimensionless scalars.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
12
Top 10%
Top 10%
Top 10%
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