Couple Mechanics

Author: Nelly Alard
Publisher: Other Press, LLC
ISBN: 1590517326
Size: 56.10 MB
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At once sexy and feminist, this is a story of a woman who decides to fight for her marriage after her husband confesses to an affair with a notable politician Juliette, a computer engineer, and Olivier, a journalist, have two young children ...

Couple Mechanics

Author: Aaron Philippe Toll
Publisher:
ISBN: 9786201137721
Size: 31.71 MB
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The resultant moment of a couple is called a torque. This is not to be confused with the term torque as it is used in physics, where it is merely a synonym of moment.

Mechanics For Beginners With Numerous Examples

Author: Isaac Todhunter
Publisher:
ISBN:
Size: 42.89 MB
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The student will readily conceive that the tendency of a couple which acts on a
free rigid body is to make the body turn round; and it is shewn in works on the
higher parts of mechanics that such is the case : the rotation takes place round a
straight line which always passes through a certain point in the body called its
centre of gravity, but is not necessarily perpendicular to the plane of the couple.
67. Two couples in the same plane may differ as to the direction in which they
tend to turn ...

Defect And Material Mechanics

Author: C. Dascalu
Publisher: Springer Science & Business Media
ISBN: 9781402069291
Size: 19.34 MB
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The present work aims at extending this technique in studying crack problems
within couple-stress elasticity, i.e. within a theory accounting for effects of
microstructure. As a first step, the technique is introduced to study finitelength
cracks under remotely applied shear loadings (mode II and mode III cases). The
mode II and mode III cracks are modeled by a continuous distribution of glide and
screw dislocations, respectively, that create both standard stresses and couple
stresses in the ...

Mechanics Of Generalized Continua

Author: Gérard A. Maugin
Publisher: Springer Science & Business Media
ISBN: 1441956956
Size: 55.10 MB
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We assume that the response of the material is governed by standard couple-
stress elasticity (Cosserat elasticity with constrained rotations). This theory falls
into the category of generalized continuum theories and is a particular case of the
general approach of Mindlin [13]. One of the earlier works that advanced ideas
underlying couple-stress elasticity was the treatise by the Cosserat H.G.
Georgiadis () Department of Mechanics, National Technical University of Athens,
Zographou ...

Engineering Mechanics Statics Si Version

Author: Andrew Pytel
Publisher: Cengage Learning
ISBN: 0495295590
Size: 75.93 MB
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6.1(a) that is loaded by the external forces F1, F2 ,..., F5. To determine the
internal force system acting on the cross section labeled 1 (perpendicular to the
axis of the bar), we must first isolate the portions of the bar lying on either side of
section 1. The free-body diagram (FBD) of the portion to the left of section 1 is
shown in Fig. 6.1(b). In addition to the external forces F1, F2, and F3, this FBD
shows the resultant force-couple system of the internal forces that are distributed
over the cross ...

Engineering Mechanics

Author: S. Rao
Publisher: Universities Press
ISBN: 9788173715433
Size: 55.83 MB
Format: PDF
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Three types of quantities are commonly encountered in mechanics: scalars,
vectors and tensors. A scalar quantity possesses only magnitude. Mass, time,
energy, area and temperature are some examples of ... of motion. The equilibrant
is a force that is equal in magnitude and opposite in direction to the resultant.
While the latter is the vector sum 2 Engineering Mechanics Scalars, Vectors and
Tensors Fundamental Concepts and Operations 3 Force 3 Couple and moment 3
Resultant.

Engineering Mechanics

Author: R. C. Hibbeler
Publisher: Prentice Hall
ISBN: 0136077900
Size: 36.78 MB
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4–27 A couple is defined as two parallel forces that have the same magnitude,
but opposite directions, and are separated by a perpendicular distance d, Fig.4–
25.Since the resultant force is zero, the only effect of a couple is to produce a
rotation or tendency of rotation in a specified direction. For example,imagine that
you are driving a car with both hands on the steering wheel and you are making
a turn. One hand will push up on the wheel while the other hand pulls down,
which ...

The Mechanics Of Engineering

Author: William Whewell
Publisher:
ISBN:
Size: 76.42 MB
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But these forces being introduced, the body is acted upon by a single force T; a
couple R, U acting at an arm CD ; and the couple aS: that is, a single force R,
acting in the line DT; a couple aR of which the axis is DS, perpendicular to the
plane RCD; and a couple aS, of which the axis is DT. DS in the proportion of R, S;
and complete the rectangular parallelogram DSVT. The two couples aR, aS, of
which the moments are represented in magnitude by DT, DS, are together
equivalent to a ...

Mechanics Of Solids And Materials

Author: Robert Asaro
Publisher: Cambridge University Press
ISBN: 9780521859790
Size: 11.12 MB
Format: PDF
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An infinitesimal surface element transmits a force and a couple vector, which give
rise to nonsymmetric stress and couple-stress tensors. The former is related to a
nonsym- metric strain tensor and the latter to a nonsymmetric curvature tensor,
defined as the gradient of the rotation vector. This type of the continuum
mechanics was originally introduced by Voigt (1887) and the brothers Cosserat (
1909). In a simplified micropolar theory, the so-called couple-stress theory, the
rotation ...