软物质力学进展

所属分类:力学  
出版时间:2011-10   出版时间:高等教育出版社   作者:李少凡,孙博华 主编   页数:298  

内容概要

  作为软物质物理学的一个重要分支,近年来软物质力学的研究取得了重大的发展。本书即是从力学的角度系统总结了软物质物理学的最新进展,深入介绍了软物质力学研究的新方法,包括多尺度胶体计算力学、熵弹性理论、无网格模拟液晶聚合物、DNA模拟计算等,并从跨学科的角度出发,介绍了当前软物质力学研究领域的一些前沿课题。
  本书的主编是美国加州大学伯克利分校的李少凡教授和南非科学院院士、开普半岛科技大学的孙博华教授。

书籍目录

Chapter 1 Atomistic to Continuum Modeling of DNA
Molecules
 1.1 Introduction
 1.2 Statistical models for DNAs -- polymer elasticity
  1.2.1 The freely jointed chain (FJC) model
  1.2.2 The worm-like chain (WLC) model
  1.2.3 Beyond the entropic regime
  1.2.4 Long-range electrostatic effects
  1.3 Atomistic modeling of DNA molecules
  1.3.1 MD basic theory
  1.3.2 Force fields for nucleic acids
  1.3.3 Limitations and challenges
  1.3.4 MD simulation of DNA stretching
  1.4 Continuum DNA models
  1.4.1 Kirchhoff's elastic Rod model for DNAs
  1.4.2 Finite element (FE) analysis, of DNAs
  1.4.3 Director field method for modeling of DNA viral
packaging
 1.5 Multiscale homogenization for simulation of DNA
  molecules
  1.5.1 Basics of multiscale wavelet projection method
  1.5.2 First-level homogenization-- wavelet-based
coarse-grained DNA model
  1.5.3 Second-level homogenization-- hyperelastic beam
formulation for DNA
  1.5.4 Applications
 1.6 Conclusion
Appendix: Wavelet and decomposition coefficients
for linear spline function
References
Chapter 2 Computational Contact Formulations for Soft Body
Adhesion
Chapter 3 Soft Matter Modeling of Biological Cells.
Chapter 4 Modeling the Mechanics of Semiflexible Biopoly- mer
Networks: Non-afIine Deformation and Presence of Long-range
Correlations
Chapter 5 Atomic Scale Monte-Carlo Studies of Entropic
Elasticity Properties of Polymer Chain Molecules
Chapter 6 Continuum Models of Stimuli-responsive gels
Chapter 7 Micromechanics of 3D Crystallized Protein
Structures
Chapter 8 Micromechanical Modeling of Three- dimensional
Open-cell Foams
Chapter 9 Capillary Adhesion of Micro-beams and Plates: A
Review
Color Plots

章节摘录

  collagenous
connective
tissues,
battery
substrates
and
paper
products
amongmany
others.
For
example,
the
cytoskeleton
is
a
random
network
of
filamen-tous
proteins:
filamentous
actin
(F-actin),
microtubules
and
intermediatefilaments.
This
network
is
rendered
active
by
the
presence
of
myosin
motormolecules
and
has
a
complex
role
in
the
mechanics
of
the
cell,
the
transportof
biomolecules
within
the
cytoplasm
and
in
chemo-mechanical
transductionand
signaling[l-3l.
The
cytoskeleton
is
an
out-of-equilibrium
network
whichconstantly
remodels
itself
in
response
to
external
stimuli
using
a
large
num-ber
of
binding
and
cross-linking
proteins
interacting
with
the
cytoskeletalfilaments.
Fiber
networks
may
also
be
exploited
by
several
infectious
bac-teria
for
self-propulsion[4,51.
The
bacterial
pathogen
listeria
monocytogenes,responsible
for
more
than
2000
annual
illnesses
and
deaths
in
US,
form
a
fil-amentous
comet
tail
by
taking
over
the
host
cell
actin
machinery.
The
comettail
is
a
complex
network
of
cross-linked
filaments
which
are
constantly
poly-merized
and
depolymerized
to
generate
forces
to
propel
the
bacteria
withinthe
cytoplasm
of
the
infected
cells
and
into
the
other
neighboring
cells.
Thelocal
elasticity
of
these
media
determines
to
a
large
extent
cellular
growthrates.
Connective
tissues
(CTs)
such
as
cartilage
and
tendon
belong
to
an-other
category
of
biological
fibrous
networks.
The
mechanical
functionality
ofCTs
derives
directly
from
the
structure
and
composition
of
their
extracellularmatrix
(ECM).
ECM
is
a
network
of
insolub  e
fibrils
(e.g.,
collagen,
elastin)and
soluble
proteoglycan
polymers.
It
is
responsible
for
carrying
stresses
andmaintaining
tissue
shape
while
infiuencing
a
large
number
of
other
biologi-cal
properties
and
functions
of
the
tissue.
In
any
connective
tissue,
the
con-stituents
are
meticulously
arrangedinside
the
extracellular
matrix
to
optimizethe
function
of
that
specific
tissue.
  ……

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