دانلود کتاب [Thesis] Biaxial Mechanical Characterization and Microstructure-Driven Modeling of Elastic Pulmonary Artery Walls of Large Mammals under Hypertensive Conditions

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List of Figures ............................................................................................................................................................................................. vii
Index of Tables ........................................................................................................................................................................................... xi
1 Introduction ............................................................................................................................................................................................ 1
1.1 Artery Mechanics .................................................................................................................................................................................. 1
1.2 Scope of Research ................................................................................................................................................................................. 2
1.3 Artery Mechanics .................................................................................................................................................................................. 3
1.4 Pulmonary Arterial Hypertension ........................................................................................................................................................... 6
1.5 Materials Testing ................................................................................................................................................................................... 7
1.6 Modeling ............................................................................................................................................................................................... 9
2 The Crimped Fiber Model ........................................................................................................................................................................ 13
2.1 Introduction ......................................................................................................................................................................................... 13
2.2 Mechanics Preliminaries ....................................................................................................................................................................... 15
2.3 Modeling An Individual Collagen Fiber Bundle ...................................................................................................................................... 18
2.4 Orthotropic Crimped Fiber Model ......................................................................................................................................................... 24
2.5 The Orthotropy Of Arterial Elastin ........................................................................................................................................................ 27
2.6 Complete Model Incorporating Volume Fractions ................................................................................................................................. 28
2.7 Results ................................................................................................................................................................................................. 29
2.8 Discussion ............................................................................................................................................................................................ 34
2.9 Conclusion ........................................................................................................................................................................................... 40
3 Experimental Methods and Materials Testing ............................................................................................................................................ 41
3.1 Uniaxial Tensile Tests............................................................................................................................................................................. 41
3.2 Planar Biaxial Tensile Tester .................................................................................................................................................................. 47
3.3 Uniaxial Data Fitting.............................................................................................................................................................................. 56
3.4 Conclusions .......................................................................................................................................................................................... 61
4 The Anisotropy of Arterial Elastin ............................................................................................................................................................. 63
4.1 Introduction ......................................................................................................................................................................................... 63
4.2 Materials and Methods ......................................................................................................................................................................... 66
4.3 Results ................................................................................................................................................................................................. 69
4.4 Discussion ............................................................................................................................................................................................ 74
5 Nonlinear Anisotropic Passive Stress-Strain Behaviors of Artery Tissues: Experiments and a Structure Based Constitutive Model ................ 77
5.1 Materials and Experiments ..................................................................................................................................................................... 82
5.2 Constitutive Model.................................................................................................................................................................................. 88
5.3 Results ................................................................................................................................................................................................... 95
5.4 Discussion ........................................................................................................................................................................................... 105
5.5 Conclusions ......................................................................................................................................................................................... 107
6 References .............................................................................................................................................................................................. 109