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Analysis of large deformation, rigid body movement and strain or
stress for discontinuous materials is often required for project
designs and plans in the fields of engineering and disaster
prevention. Many numerical simulation and analysis methods have
been developed for the requirement from science and technology
people since 1970s. Among them, Discontinuous Deformation Analysis
(DDA), Numerical Manifold Method (NMM), Key Block Theory (KB),
Distinct/Discrete Element Methods (DEM), Moving Particles
Semi-implicit Method (MPS) and Smoothed Particle Hydrodynamics
Method (SPH) are typical effective methods and have drawn more and
more attention of the researchers in many different fields. The
discrete analysis is more natural than continuum analysis to handle
geologic materials which we use as engineering materials.
Advancement of computers and introduction of unique ideas helped us
to develop many useful new numerical methods as listed above.
Frontiers of Discontinuous Numerical Methods and Practical
Simulations in Engineering and Disaster Prevention contains 14
keynote papers, 54 full papers and 4 extended abstracts presented
at the 11th International Conference on Analysis of Discontinuous
Deformation (ICADD-11, Fukuoka, Japan, 27-29 August 2013). The
contributions cover the latest advances in all aspects of
discontinuous numerical methods, from theory to practice, including
new ideas and the latest developments. The main schemes are on DDA,
NMM and KB following the tradition of the conference series.
Meanwhile, DEM, MPS, SPH, Meshless Methods and some other numerical
methods are also included. The book is a must-have for those
academics and professionals interested in the state-of-the-art in
technology and numerical methods related to the above mentioned
methods.
This is a self-contained and systematic account of affine
differential geometry from a contemporary viewpoint, not only
covering the classical theory, but also introducing the modern
developments that have happened over the last decade. In order both
to cover as much as possible and to keep the text of a reasonable
size, the authors have concentrated on the significant features of
the subject and their relationship and application to such areas as
Riemannian, Euclidean, Lorentzian and projective differential
geometry. In so doing, they also provide a modern introduction to
the last. Some of the important geometric surfaces considered are
illustrated by computer graphics, making this a physically and
mathematically attractive book for all researchers in differential
geometry, and for mathematical physicists seeking a quick entry
into the subject.
This is a self-contained and systematic account of affine
differential geometry from a contemporary view, not only covering
the classical theory, but also introducing more modern
developments. In order both to cover as much as possible and to
keep the text of a reasonable size, the authors have concentrated
on the significant features of the subject and their relationship
and application to such areas as Riemannian, Euclidean, Lorentzian
and projective differential geometry. In so doing, they also
provide a modern introduction to the last. Some of the important
geometric surfaces considered are illustrated by computer graphics,
making this a physically and mathematically attractive book for all
researchers in differential geometry, and for mathematical
physicists seeking a quick entry to the subject.
Rocks and soils can behave as discontinuous materials, both
physically and mechanically, and for such discontinuous nature and
behaviour there remain challenges in numerical modelling methods
and techniques. Some of the main discontinuum based numerical
methods, for example the distinct element method (DEM) and the
discontinuous deformation analysis (DDA), are associated with
geomechanics and geoengineering. Discontinuous numerical methods
have been widely applied in geoengineering related to civil,
mining, hydropower and petroleum engineering. There are many good
examples of the use of UDEC/3DEC and DDA in design and forensic of
geoengineering projects, in dams, slopes, tunnels, caverns and
mines. The discontinuous numerical methods provide good tools to
capture the true physical and mechanical behaviours of the
geomaterials, and provide the scientific insights enabling for
better engineering. Discontinuous numerical methods are indeed very
much research and engineering tools of the present, and certainly
more in the future. Advances in Discontinuous Numerical Methods and
Applications in Geomechanics and Geoengineering is a collection of
55 technical papers presented at the 10th International Conference
on Analysis of Discontinuous Deformation (ICADD-10), held 6-8
December 2011, Honolulu, USA. The papers cover a wide scope of
discontinuous numerical methods from algorithms and mechanics, to
modelling techniques and applications, including the key block
theory, the discontinuous deformation analysis, the numerical
manifold method, the distinct element method, coupled discontinuum
and continuum methods, multi-scale and multi-physics in modelling,
applications and case studies of engineering projects.
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