An introduction to multi-physics multi-scale approach.pdf (965.38 kB)
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posted on 20.03.2014, 13:09 authored by Homer RahnejatDynamics and tribology, described in this book, may be regarded as subsets
of physics of motion (in a multi-physics perspective). Dynamics is the study of
motion of entities caused by the underlying forces. Historically, in the
discipline of dynamics and within engineering these entities have been
considered to be assembly of parts (a system), solid inertial elements (a
component) and rigid particles. When the study of motion of a material point
(a generic term used to describe these entities; a particle, a body: a
conglomerate of such particles or a system: an assembly or cluster of bodies)
is observation-based only (without regard to the underlying cause: force), then
the field of investigation is referred to as kinematics. In the case of a multibody
or a many-body system, kinematics refer to studies with no degrees of
freedom; relative motions between their constituent material points (their
motion is pre-specified).
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