Computational Modeling of Intelligent Soft Matter

Chapter 1: Intelligent Soft Matters: Need for Numerical Modeling in Design and Analysis (new intro chapter)

Chapter 2: A Detailed Review on Constitutive Models for Thermo-Responsive Shape Memory Polymers (SMPs)

1 Introduction

2 Classification of temperature-dependent polymers

• Thermoset and thermoplastic polymers
• The effect of temperature on thermoset and thermoplastic polymers

3 The molecular structure of SMPs and their classification

• Chemical structure of SMPs
• Classification of SMPs

4 Modeling thermo-responsive SMPs

• Modeling of conventional thermally-activated SMPs
• Modeling of two-way thermally-activated SMP
• Modeling of thermally-activated multi-SMP

5 Statistical analysis of available SMP models

Chapter 3: A Review on Constitutive Modeling of pH-Sensitive Hydrogels

1 Introduction

2 Swelling/Deswelling Phenomena

• Conservation of mass
• Chemical Reaction
• Ion Transfer
• Electrical Field
• Fluid Flow
• Mechanical Field

3 Swelling Theories

• Monophasic Models
• Multiphasic Models

4 Numerical implementation

5 Experiments

Chapter 4: Experiments on Shape Memory Polymers: Methods of Production, Shape Memory Effect Parameters, and Application

1 Introduction

2 Methods of SMP production

• Melt mixing
• Solution mixing
• Additive manufacturing

3 Shape memory characterization in combined torsion-tension loading

4 Investigation on structural design of SMPs

• Structural (geometrical) design
• Method of sample production
• Characterization of printed material
• Thermo-mechanical shape memory tests

5 SMP stent as an application

• Materials
• Stent fabrication
• Stent radial compression

Chapter 5: Shape Memory Polymers: Constitutive Modeling, Calibration, and Simulation

1 Introduction

2 Macroscopic phase transition approach

• Strain storage and recovery, and Thermodynamic considerations
• Extension of the model to the time-dependent regime
• Numerical solution of the constitutive model
• Consistent tangent matrix, and large rotation effects
• Material parameters identification
• Material model predictions

3 SMP constitutive model through thermo-viscoelastic approach

• Strain- and time-dependent part of the stress
• Temperature-dependent modification of the stress
• Solution of SMP's response in an SME path
• A time-discretization scheme for constitutive equations
• Material Parameters Identification
• Solutions development for torsion-extension of SMP

Chapter 6: Shape Memory Polymer Composites: Nano-Composites and Corrugated Structures

1 Introduction

2 Modeling and homogenization of SMP nanocomposites

• Constitutive equations for SMP based on phase transition
• 3D modeling and numerical considerations
• Numerical results

3 Numerical homogenization of coiled CNT reinforced SMP nanocomposites

• Finite element model
• Numerical results and discussion

4 Thermomechanics of SMP beams reinforced by corrugated sections

• SMP constitutive model based on phase transition concept
• Bending of a reinforced SMP beam
• Numerical results and discussion

Chapter 7: Equilibrium and Transient Swelling of Soft and Tough pH-Sensitive Hydrogels: Constitutive Modeling and FEM Implementation

1 An equilibrium thermodynamically consistent theory

2 Transient Electro-chemo-mechanical Swelling Theory

• Large Deformation theory
• Chemical Field
• Electrostatic field
• Continuity of ions
• Mechanical field
• Initial and boundary conditions

3 Numerical solution procedure

• Development of weak form
• Development of time and space discretization
• Residuals and tangent moduli

4 Results and discussion

• Equilibrium swelling
• Numerical results for transient swelling response of pH-sensitive hydrogels
• Numerical predictions of the visco-hyperelastic constitutive model for tough pH-sensitive hydrogels

Chapter 8: Structural Analysis of Smart Hydrogels: Analytical Solutions and Finite Element Modeling

1 Introduction

2 Rubber-like materials (elastomers)

• Constitutive modeling
• Large Deformations of hyperelastic Materials in mechanical problems

3 Hydrogels

• Constitutive modeling of Temperature-, pH-, and Light-sensitive hydrogels
• Swelling behavior of smart hydrogel under mechanical loadings

Chapter 9: Structural Analysis of Different Smart Hydrogel Microvalves: The Effect of Fluid-Structure Interaction Modeling

1 Introduction

2 Different constitutive models’ description

• Swelling theory of thermal-sensitive hydrogels
• A stationary swelling theory for pH-sensitive hydrogels
• A transient theory for pH-sensitive hydrogels
• Coupled fields in FSI modeling

3 Results and discussion

• Results for FSI analysis of temperature-sensitive hydrogel valves
• Results for stationary response of pH-sensitive hydrogels

Transient results of the pH-sensitive hydrogel valve