Preface |
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ix | |
Chapter 1 Introductory Remarks |
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1 | (20) |
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1.1 Some functional spaces |
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1 | (8) |
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4 | (1) |
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1.1.2 Lax-Milgram Theorem |
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5 | (4) |
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1.2 Variational formulation |
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9 | (3) |
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1.3 Geometry of the two-phase composite |
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12 | (2) |
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1.4 Two-scale convergence method |
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14 | (1) |
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1.5 The concept of a homogenized equation |
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15 | (4) |
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1.6 Two-scale convergence with time dependence |
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19 | (1) |
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1.7 Potential and solenoidal fields |
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19 | (2) |
Chapter 2 The Homogenization Technique Applied to Soft Tissue |
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21 | (12) |
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2.1 Homogenization of soft tissue |
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21 | (3) |
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2.2 Galerkin approximations |
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24 | (5) |
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2.3 Derivation of the effective equation of u0 |
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29 | (4) |
Chapter 3 Acoustics in Porous Media |
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33 | (16) |
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33 | (2) |
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3.2 Diphasic macroscopic behavior |
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35 | (7) |
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3.2.1 Derivation of the effective equations for u0 |
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39 | (3) |
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3.3 Well-posedness for problems (3.2.48) and (3.2.55) |
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42 | (2) |
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3.4 The slightly compressible diphasic behavior |
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44 | (5) |
Chapter 4 Wet Ionic, Piezoelectric Bone |
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49 | (16) |
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49 | (1) |
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4.2 Wet bone with ionic interaction |
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50 | (7) |
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4.2.1 Nondimentionalized equations |
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54 | (2) |
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4.2.2 Fluid equations with slight compressibility |
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56 | (1) |
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4.2.3 Nernst-Plank equations |
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57 | (1) |
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4.3 Homogenization using formal power series |
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57 | (3) |
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4.4 Wet bone without ionic interaction |
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60 | (3) |
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4.4.1 Reuss bound on the energy |
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60 | (1) |
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61 | (1) |
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62 | (1) |
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4.4.4 Constitutive equations |
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62 | (1) |
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63 | (2) |
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4.5.1 Electrically isotropic solid |
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63 | (1) |
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4.5.2 Electromagnetism in the fluid |
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63 | (1) |
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4.5.3 Effective electro-magnetic equations |
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64 | (1) |
Chapter 5 Viscoelasticity, and Contact Friction between the Phases |
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65 | (24) |
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5.1 Kelvin-Voigt Material |
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65 | (8) |
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5.1.1 Two-scale convergence approach |
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69 | (4) |
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5.2 Rigid particles in a visco-elastic medium |
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73 | (1) |
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5.3 Equations of motion and contact conditions |
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74 | (3) |
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5.3.1 Boundary conditions |
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74 | (1) |
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5.3.2 Approximation of the contact conditions |
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75 | (1) |
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5.3.3 Microscale equations |
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76 | (1) |
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5.4 Two-scale expansions and formal homogenization |
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77 | (2) |
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5.5 Model case I: Linear contact conditions |
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79 | (3) |
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80 | (1) |
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5.5.2 Averaged equations for Model I |
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81 | (1) |
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5.6 Model II: Quadratic contact conditions |
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82 | (2) |
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5.6.1 Averaged equation for Model II |
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83 | (1) |
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5.7 Model III: Power type contact condition |
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84 | (5) |
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5.7.1 Contact conditions, ansatz and cell problems |
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84 | (1) |
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5.7.2 The relation between ξ1 and ξ° |
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85 | (1) |
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86 | (1) |
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5.7.4 Effective drag force |
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87 | (2) |
Chapter 6 Acoustics in a Random Microstructure |
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89 | (8) |
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89 | (2) |
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6.2 Stochastic two-scale limits |
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91 | (2) |
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6.3 Periodic approximation |
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93 | (4) |
Chapter 7 Non-Newtonian Interstitial Fluid |
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97 | (20) |
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7.1 The slightly compressible polymer: Microscale problem |
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97 | (2) |
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99 | (8) |
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107 | (1) |
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7.4 Description of the effective stress |
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108 | (6) |
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114 | (3) |
Chapter 8 Multi scale FEM for the Modeling of Cancellous Bone |
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117 | (46) |
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8.1 Concept of the multiscale FEM |
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117 | (2) |
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8.2 Microscale: The RVE proposal and effective properties |
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119 | (11) |
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8.2.1 Modeling of the RVE for cancellous bone |
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119 | (2) |
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8.2.2 Modeling of the solid phase |
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121 | (3) |
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8.2.3 Modeling of the fluid phase |
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124 | (1) |
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8.2.4 Summary of the equations defining the BVP on the microlevel |
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125 | (1) |
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8.2.5 Effective elasticity tensor: Output from the microscale |
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126 | (1) |
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8.2.6 Effective material parameters |
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127 | (2) |
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8.2.7 Analysis of the dry skeleton |
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129 | (1) |
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8.3 Macroscale: Simulation of the ultrasonic test |
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130 | (6) |
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8.3.1 Ultrasonic attenuation test |
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130 | (1) |
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8.3.2 FEM model of the ultrasonic test |
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131 | (1) |
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132 | (1) |
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133 | (3) |
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8.4 Simplified version of the RVE |
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136 | (5) |
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8.4.1 RVE II: Solid phase consisting of thin columns |
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136 | (1) |
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8.4.2 Numerical values of the effective material parameters |
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136 | (5) |
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8.5 Anisotropy of cancellous bone |
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141 | (3) |
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8.6 The influence of reflection on the attenuation |
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144 | (10) |
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8.6.1 Principles of the reflection phenomenon |
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144 | (2) |
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8.6.2 Variational formulation for the wave propagation taking the effects of the reflection into account |
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146 | (2) |
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8.6.3 Numerical implementation |
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148 | (3) |
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151 | (3) |
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8.7 Multiscale inverse analysis |
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154 | (9) |
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8.7.1 Definition of the merit function |
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154 | (1) |
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8.7.2 The Levenberg-Marquardt method |
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155 | (2) |
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157 | (6) |
Chapter 9 G-convergence and Homogenization of Viscoelastic Flows |
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163 | (32) |
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163 | (1) |
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9.2 Main definitions. Corrector operators for G-convergence |
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164 | (1) |
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9.3 A scalar elliptic equation in divergence form |
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165 | (3) |
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9.4 Two-phase visco-elastic flows with time-varying interface |
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168 | (4) |
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168 | (1) |
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9.4.2 Equations of balance and constitutive equations |
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168 | (3) |
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9.4.2.1 Choice of a model |
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168 | (2) |
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9.4.2.2 Weak formulation of the micro-scale problem |
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170 | (1) |
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9.4.3 Finite energy weak solutions and bounds |
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171 | (1) |
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9.5 Main theorem and outline of the proof |
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172 | (2) |
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9.6 Corrector operators and oscillating test functions |
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174 | (8) |
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9.6.1 Auxiliary problem for mpq,ξ |
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175 | (5) |
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9.6.2 Auxiliary problems for npq,ξmTpq,ξ |
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180 | (2) |
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9.7 Inertial terms in the momentum balance equation |
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182 | (5) |
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9.8 Effective deviatoric stress. Proof of the main theorem |
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187 | (4) |
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9.9 Fluid-structure interaction |
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191 | (4) |
Chapter 10 Biot-Type, Models for Bone Mechanics |
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195 | (34) |
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195 | (8) |
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10.1.1 The isotropic, Biot model |
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196 | (3) |
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10.1.2 The direct problem |
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199 | (4) |
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10.2 Anisotropic Biot systems |
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203 | (8) |
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10.2.1 Carcione representation |
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203 | (3) |
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10.2.2 Elimination of the fluid displacements |
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206 | (3) |
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10.2.3 Existence theorem for the anisotropic Biot model |
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209 | (2) |
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10.3 The case of a non-Newtonian, interstitial fluid |
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211 | (1) |
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10.4 Some time-dependent solutions to the Biot system |
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212 | (17) |
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10.4.1 The nonlocal boundary value problem |
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216 | (3) |
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10.4.2 Variational formulation |
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219 | (2) |
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10.4.3 Existence and uniqueness |
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221 | (4) |
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225 | (4) |
Chapter 11 Creation of RVE for Bone Microstructure |
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229 | (14) |
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229 | (1) |
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11.2 Reformulation as a Graves-like scheme |
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230 | (3) |
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11.3 Absorbing boundary condition: A perfectly matched layer |
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233 | (2) |
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235 | (8) |
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11.4.1 Orthotropic random bone |
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239 | (4) |
Chapter 12 Bone Growth and Adaptive Elasticity |
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243 | (12) |
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243 | (2) |
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12.2 Scalings of unknowns |
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245 | (1) |
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12.3 Asymptotic solutions |
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246 | (9) |
Appendix |
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255 | (4) |
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A.1 Moving interface in the inertial terms and frozen interface in the constitutive equations |
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255 | (1) |
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A.2 Existence of weak solutions, outline of the proof |
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256 | (3) |
Bibliography |
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259 | (22) |
Index |
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281 | |