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Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：Numerical PDEs for Fluid-Structure Interaction (FSI) Problems
流固耦合 数值 偏微分方程
2023/5/8
The interaction of a flexible structure with a flowing fluid in which it is submersed or by which it is surrounded gives rise to a rich variety of physical phenomena with applications in many fields o...
A High-Order Spectral Difference Method for Fluid-Structure Interaction on Dynamic Deforming Meshes
High-Order Spectral Diff erence Method Fluid-Structure Interaction Dynamic Deforming Meshes
2015/7/3
In previous work by the authors, Spectral Difference Method has been formulated in a framework with time-dependent moving deformable meshes. The framework has also been shown to preserve the des...
Numerical Investigation on Fluid Structure Interaction Considering Rotor Deformation for a Centrifugal Pump
centrifugal pump fluid structure interaction coupled solution
2011/8/5
The existing researches for unsteady flow field and the corresponding flow induced vibration analysis of centrifugal pump are mainly carried out respectively without considering the interaction betwee...
Unstructured Grid Immersed Boundary Method for Numerical Simulation of Fluid Structure Interaction
fluid structure interaction immersed boundary method VOS unstructured grids finite volume method
2011/9/9
This paper presents an improved unstructured grid immersed boundary method. The advantages of both immersed boundary method and body fitted grids which are generated by unstructured grid technology ar...
Study on fluid-structure interaction in liquid oxygen feeding pipe systems using finite volume method
Fluid-structure interaction Liquid oxygen Finite volume method
2012/2/29
The fluid-structure interaction may occur in space launch vehicles, which would lead to bad performance of vehicles, damage equipments on vehicles, or even affect astronauts' health. In this paper, an...
流固耦合作用对离心泵内部流场影响的数值计算（Numerical Calculation for Effect of Fluid-structure Interaction on Flow Field in Centrifugal Pump）
流固耦合 离心泵 流场 数值计算
2009/12/28
采用双向同步求解的方法对离心泵内流场和叶轮结构响应进行联合求解，研究了叶轮流固耦合作用对离心泵内部流场的影响。流场模拟基于Reynolds时均化N-S方程和标准k-ε两方程湍流模型，采用多重坐标系法；结构响应基于弹性体结构动力学方程。并将计算所得的流道网格变形、流场静压和速度的分布以及径向力等结果与非流固耦合计算的流场进行对比分析。分析结果表明，流固耦合作用使得流体和固体区域计算网格发生微小变形，...
Fluid-structure interaction of a patient-specific abdominal aortic aneurysm treated with an endovascular stent-graft
Fluid-structure interaction a patient-specific abdominal aortic aneurysm an endovascular stent-graft
2010/2/25
In a patient-specific case peak aneurysm wall stress was reduced by 92%. Such a reduction in aneurysm wall stress may lead to shrinkage of the aneurysm over time. Hence, post-operative stress patterns...
Inhalation Induced Stresses and Flow Characteristics in Human Airways through Fluid-Structure Interaction Analysis
Inhalation Induced Stresses Human Airways Fluid-Structure Interaction Analysis
2009/9/4
Better understanding of stresses and flow characteristics in the human airways is very important for many clinical applications such as aerosol drug therapy, inhalation toxicology, and airway remodeli...
Fluid structure interaction of patient specific abdominal aortic aneurysms: a comparison with solid stress models
Fluid structure interaction patient specific abdominal aortic aneurysms solid stress models
2010/2/26
Abdominal aortic aneurysm (AAA) is a dilatation of the aortic wall, which can rupture, if left untreated. Previous work has shown that, maximum diameter is not a reliable determinant of AAA rupture. H...
Fluid-structure interaction in abdominal aortic aneurysms: effects of asymmetry and wall thickness
Fluid-structure interaction abdominal aortic aneurysms
2010/2/26
Both wall thickness and geometry asymmetry affect the stress exhibited by a virtual AAA. Our results suggest that an asymmetric AAA with regional variations in wall thickness would be exposed to highe...