软物质力学进展 英文版PDF|Epub|txt|kindle电子书版本网盘下载

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Chapter 1 Atomistic to Continuum Modeling of DNA Molecules1

1.1 Introduction2

1.2 Statistical models for DNAs—polymer elasticity5

1.2.1 The freely jointed chain(FJC)model6

1.2.2 The worm-like chain(WLC)model9

1.2.3 Beyond the entropic regime10

1.2.4 Long-range electrostatic effects11

1.3 Atomistic modeling of DNA molecules12

1.3.1 MD basic theory12

1.3.2 Force fields for nucleic acids13

1.3.3 Limitations and challenges14

1.3.4 MD simulation of DNA stretching15

1.4 Continuum DNA models17

1.4.1 Kirchhoff's elastic Rod model for DNAs17

1.4.2 Finite element(FE)analysis of DNAs20

1.4.3 Director field method for modeling of DNA viral packaging22

1.5 Multiscale homogenization for simulation of DNA molecules24

1.5.1 Basics of multiscale wavelet projection method24

1.5.2 First-level homogenization—wavelet-based coarse-grained DNA model28

1.5.3 Second-level homogenization—hyperelastic beam formulation for DNA39

1.5.4 Applications43

1.6 Conclusion48

Appendix：Wavelet and decomposition coefficients for linear spline function49

References50

Chapter 2 Computational Contact Formulations for Soft Body Adhesion55

2.1 Introduction55

2.2 Continuum contact formulation57

2.3 Finite element formulations64

2.4 Adhesion examples72

2.5 Peeling contact79

2.6 Rough surface contact83

2.7 Conclusion87

References89

Chapter 3 Soft Matter Modeling of Biological Cells95

3.1 Introduction95

3.2 Soft matter modeling of cells97

3.2.1 The future is soft97

3.2.2 The reasons to use liquid crystal elastomers to model cell and focal adhesion98

3.2.3 Elasticity of soft contact/cell adhesion and surface material property sensing100

3.2.4 Cell and ECM modeling101

3.3 A nanoscale adhesive contact model105

3.4 Meshfree Galerkin formulation and the computational algorithm107

3.5 Numerical simulations109

3.5.1 Validation of the material models109

3.5.2 Endothelial cell simulations110

3.5.3 Stem cell simulations113

3.6 Discussion and conclusions114

References115

Chapter 4 Modeling the Mechanics of Semiflexible Biopoly-mer Networks:Non-affine Deformation and Presence of Long-range Correlations119

4.1 Introduction119

4.2 Network representation and generation121

4.3 Affine vs.non-affine deformation123

4.4 Network microstructure:scaling properties of the fiber density function127

4.5 Network elasticity:the equivalent continuum and its elastic moduli131

4.6 Boundary value problems on dense fiber network domains132

4.6.1 Background:affine and non-affine theories132

4.6.2 Karhunen-Loeve decomposition136

4.6.3 Stochastic finite element formulation of 2D problems137

4.7 Solution of boundary value problems on dense fiber network domains139

References141

Chapter 5 Atomic Scale Monte-Carlo Studies of Entropic Elasticity Properties of Polymer Chain Molecules147

5.1 Introduction147

5.2 Entropic elasticity of linear polymer molecules148

5.2.1 Continuum limit152

5.2.2 Monte-Carlo sampling154

5.3 Summary160

References161

Chapter 6 Continuum Models of Stimuli-responsive Gels165

6.1 Introduction165

6.2 Nonequilibrium thermodynamics of neutral gels166

6.3 A simple material model for neutral gels171

6.4 Swelling of a spherical gel174

6.5 Thermodynamics of polyelectrolyte gels177

6.6 A material model for polyelectrolyte gels182

6.7 Chemical reactions and pH-sensitive gels186

6.8 Equilibrium models of polymeric gels189

6.9 Summary193

References194

Chapter 7 Micromechanics of 3D Crystallized Protein Structures197

7.1 Introduction197

7.2 3D crystallized protein structures198

7.3 Thermomechanical properties of protein crystals199

7.4 A micromechanical model for protein crystals200

7.5 Application to tetragonal lysozyme as a protein crystal model202

7.5.1 Elastic deformation in lysozyme crystals202

7.5.2 Plastic deformation in lysozyme crystals203

7.5.3 Anisotropic plastic yielding of lysozyme crystals205

7.5.4 Orientation effect on mechanical behavior of lysozyme crystals206

References210

Chapter 8 Micromechanical Modeling of Three-dimensional Open-cell Foams213

8.1 Introduction214

8.1.1 Unit cell models215

8.1.2 Random cell models217

8.2 Micromechanics model using a tetrakaidecahedral unit cell218

8.2.1 Formulation218

8.2.2 Numerical results232

8.2.3 Summary235

8.3 Random cell model incorporating cell shape and strut cross-sectional area irregularities236

8.3.1 Analysis236

8.3.2 Results and discussion242

8.3.3 Summary254

References256

Chapter 9 Capillary Adhesion of Micro-beams and Plates：A Review259

9.1 Introduction259

9.2 Capillary adhesion of micro-beams of infinitesimal deformation261

9.3 Capillary adhesion of micro-beams of finite deformation264

9.4 Hierarchical structure of micro-beams induced by capillary force268

9.5 Capillary adhesion of a plate270

9.6 Conclusions273

References274

Color Plots277