1.1.1 Digital subtraction angiography_1

1.1.2 Computed tomography_3

1.1.3 Magnetic Resonance Imaging_3

1.1.4 Ultrasound Imaging_7

1.2.1 Geometric modeling based on medical imaging_8

1.2.2 Geometric Modeling Based on CAD_12

1.2.3 Grid preprocessing of calculation model_19

1.3.1 Calculation of solid mechanics methods_23

1.3.2 Calculational fluid mechanics method_24

1.3.3 Fluid-solid coupling simulation method_27

2.1.1 Brain aneurysm pathology_31

2.1.2 Surgical treatment and clinical problems of cerebral aneurysm_32

2.2.1 Blood vessel model construction_33

2.2.2 Bracket model construction_34

2.2.3 Support material properties_38

2.2.4 Bench test verification of finite element simulation model_38

2.3.1 Finite element simulation of the release process of stents in patients' blood vessels_40

2.3.2 Quick finite element release of the bracket_43

2.4.1 Idealized model of aneurysms and tumor-carrying arteries_46

2.4.2 Tubridge stent implantation in idealized vascular aneurysm model_47

2.4.3 Computational fluid mechanics simulation after implantation of blood flow guide device_51

2.4.4 Hemodynamic analysis of Tubridge stent implantation vascular aneurysm model_53

3.1.1 Aortic dissection pathology_61

3.1.2 Aortic dissection surgical treatment and clinical problems_62

3.2.1 Construction of aortic dissection geometric model_64

3.2.2 Construction of the solid model of the bracket_65

3.2.3 Conveyor tool model construction_66

3.2.4 Calculate grid division_66

3.2.5 Setting of material properties and boundary conditions_67

3.2.6 Finite element simulation_68

3.5.1 Radial support force analysis_74

3.5.2 Comparison between radial support force and elastic straightening force_76

3.6.1 Animal test and histopathological examination protocol_78

3.6.2 Finite element simulation solution_78

3.6.3 Comparative analysis of test and simulation results_80

4.1.1 Heart and heart valve structure_85

4.1.2 Diagnosis and treatment of aortic valve disease_85

4.2.1 Computer-aided design of heart valves_91

4.2.2 Valve and surrounding tissue material properties_91

4.2.3 Computer simulation of biological petal prosthesis_95

4.3.1 Individualized aortic valve geometric reconstruction_98

4.3.2 Construction of aortic valve flow-solid coupling model_102

4.3.3 Verification of individualized aortic valve flow-solid coupling model_109

4.3.4 Effects of collagen fiber arrangement direction of valve prosthesis on hemodynamic characteristics_111

4.3.5 Kinematic morphology of leaflets_111

5.2.1 Numerical simulation method of rotating machinery_123

5.2.2 Turbulence Model_124

5.3.1 Model establishment_125

5.3.2 Meshing_126

5.3.3 Boundary conditions, material properties and solution settings_127

5.3.4 Evaluation indicators_128

5.3.5 Results Analysis and Comparison_129

5.3.6 Research Conclusion_134

5.4.1 Model establishment_135

5.4.2 Meshing_136

5.4.3 Boundary conditions, material properties and solution settings_136

5.4.4 Setting of variable speed curve and its physiological significance_137

5.4.5 Results Analysis and Comparison_138

5.4.6 Research Conclusion_146

5.5.1 Model establishment, meshing, boundary conditions and solution settings_147

5.5.2 Material Properties_147

5.5.3 Multiphase flow cell destruction model_148

5.5.4 Results Analysis and Comparison_149

5.5.5 Research Conclusion_155