Computational Modeling of Intelligent Soft Matter: Shape Memory Polymers and Hydrogels

383 Pages·2023·15.38 MB·English

by  Mostafa Baghani, Majid Baniassadi, Yves Remond

Computational Modeling of
Intelligent Soft Matter
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Computational Modeling
of Intelligent Soft Matter
Shape Memory Polymers and Hydrogels
Mostafa Baghani
School of Mechanical Engineering, College of
Engineering, University of Tehran, Tehran, Iran
Majid Baniassadi
School of Mechanical Engineering, College of
Engineering, University of Tehran, Tehran, Iran
Yves Remond
University of Strasbourg, ICube/CNRS, Alsace,
France
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Contents
Abouttheauthors xiii
Preface xv
Acknowledgments xvii
1 Intelligentsoftmatters:needfornumericalmodelingin
designandanalysis 1
1.1 Introduction 1
1.2 Applicationsofshapememorypolymers 2
1.2.1 Biomedicalapplications 2
1.2.2 Aerospaceapplication 3
1.2.3 Textileapplication 4
1.2.4 Automotiveapplication 4
1.2.5 Otherapplications 4
1.3 Smarthydrogelapplications 5
1.3.1 Tissueengineering 6
1.3.2 Drugdelivery 6
1.3.3 microfluidicvalves 7
1.3.4 Hydrogelsforwounddressing 7
1.3.5 Hydrogelandcancertherapy 8
1.3.6 Hydrogelsandwatertreatment 8
1.3.7 Hydrogelsandcontactlensproducts 8
1.3.8 Hydrogelsandagriculture 9
1.3.9 Hydrogelsandbiosensors 9
1.3.10 Hydrogelsandhygieneproducts 9
1.4 Numericalmodelingindesignandanalysisofintelligent
softmatters 10
References 12
2 Adetailedreview onconstitutivemodelsforthermoresponsive
shapememorypolymers 15
2.1 Introduction 15
2.2 Classificationoftemperature-dependentpolymers 18
2.2.1 Thermosetandthermoplasticpolymers 18
2.2.2 Theeffectoftemperatureonthermosetandthermoplastic
polymers 19
2.3 Themolecularstructureofshapememorypolymersandtheir
classification 20
viii Contents
2.3.1 Chemicalstructureofshapememorypolymers 20
2.3.2 Classificationofshapememorypolymers 21
2.4 Modelingthermoresponsiveshapememorypolymers 29
2.4.1 Modelingofconventionalthermallyactivated
shapememorypolymers 30
2.4.2 Modelingoftwo-waythermallyactivatedshapememory
polymer 54
2.4.3 Modelingofthermallyactivatedmultishapememory
polymer 55
2.5 Statisticalanalysisofavailableshapememorypolymermodels 58
2.6 Summaryandconclusion 60
References 61
3 Experimentsonshapememorypolymers:methodsofproduction,
shapememoryeffectparameters,andapplication 77
3.1 Introduction 77
3.2 Methodsofshapememorypolymerproduction 78
3.2.1 Meltmixing 78
3.2.2 Solutionmixing 78
3.2.3 Additivemanufacturing 79
3.2.4 Shapememorycharacterizationincombined
torsion(cid:1)tensionloading 79
3.3 Investigationonstructuraldesignofshapememorypolymers 90
3.3.1 Structural(geometrical)design 90
3.3.2 Methodofsampleproduction 92
3.3.3 Characterizationofprintedmaterial 94
3.3.4 Thermomechanicalshapememorytests 94
3.4 Shapememorypolymerstentasanapplication 104
3.4.1 Materials 105
3.4.2 Stentfabrication 107
3.4.3 Stentradialcompression 116
3.5 Summaryandconclusion 122
References 124
4 Shapememorypolymers:constitutivemodeling,calibration,
andsimulation 127
4.1 Introduction 127
4.2 Macroscopicphasetransitionapproach 128
4.2.1 Strainstorageandrecovery 130
4.2.2 Thermodynamicconsiderations 132
4.2.3 Extensionofthemodeltothetimedependentregime 133
4.2.4 Numericalsolutionoftheconstitutivemodel 135
4.2.5 Consistenttangentmatrix 137
4.2.6 Hughes(cid:1)Wingetalgorithm:largerotationeffects 138
Contents ix
4.2.7 Materialparametersidentification 139
4.2.8 Materialmodelpredictions 141
4.3 Shapememorypolymerconstitutivemodelthrough
thermo-viscoelasticapproach 144
4.3.1 Strain-dependentpartofthestress 144
4.3.2 Time-dependentpartofthestress 144
4.3.3 Temperature-dependentmodificationofthestress 145
4.3.4 Solutionofshapememorypolymer’sresponseina
shapememorypolymerpath 146
4.3.5 Atime-discretizationschemeforconstitutiveequations 148
4.3.6 Materialparametersidentification 149
4.3.7 Solutionsdevelopmentfortorsion(cid:1)extensionofSMP 150
4.4 Summaryandconclusion 156
References 156
5 Shapememorypolymercomposites: nanocompositesand
corrugatedstructures 159
5.1 Introduction 159
5.2 Modelingandhomogenizationofshapememorypolymer
nanocomposites 160
5.2.1 Constitutiveequationsforshapememorypolymer
basedonphasetransition 161
5.2.2 3Dmodelingandnumerical considerations 163
5.2.3 Numericalresults 166
5.3 Numericalhomogenizationofcoiledcarbonnanotube-reinforced
shapememorypolymernanocomposites 173
5.3.1 Constitutivemodelofshapememorypolymerbasedon
thermo-viscoelasticity 174
5.3.2 Finiteelementmodel 178
5.3.3 Numericalresultsanddiscussion 182
5.4 Thermomechanicalbehaviorofshapememorypolymerbeams
reinforcedbycorrugatedpolymericsections 187
5.4.1 Shapememorypolymerconstitutivemodelbasedonphase
transitionconcept 189
5.4.2 Bendingofareinforcedshapememorypolymerbeam 192
5.4.3 Numericalresultsanddiscussion 196
References 205
6 Shapememorypolymermetamaterialsbasedontriply
periodicminimalsurfacesandauxeticstructures 209
6.1 Shapememorypolymermetamaterialsbasedontriplyperiodic
minimalsurfaces 209
6.1.1 Introduction 210
6.1.2 Materialsandmethods 212
6.1.3 Resultsanddiscussion 217