A Python-based flow solver for numerical simulations using an immersed boundary method on single GPUs [0.03%]
一种基于Python的流体求解器,用于使用单一GPU上的浸入边界法进行数值模拟
M Guerrero-Hurtado,J M Catalán,M Moriche et al.
M Guerrero-Hurtado et al.
We present an efficient implementation for the simulation of three-dimensional, incompressible flow around moving bodies with complex geometries on single GPUs, based on Nvidia CUDA through Numba and Python. The flow is solved in this frame...
Accuracy and Performance Evaluation of Low Density Internal and External Flow Predictions using CFD and DSMC [0.03%]
基于CFD和DSMC的低密度内外流预测精度及性能评估
Surya Kiran Peravali,Vahid Jafari,Amit K Samanta et al.
Surya Kiran Peravali et al.
The Direct Simulation Monte Carlo (DSMC) method was widely used to simulate low density gas flows with large Knudsen numbers. However, DSMC encounters limitations in the regime of lower Knudsen numbers K n
Modeling of slightly-compressible isentropic flows and its compressibility effects on fluid-structure interactions [0.03%]
微压缩绝热流的建模及其对流固耦合的影响研究
Lucy T Zhang,Michael H Krane,Feimi Yu
Lucy T Zhang
In this study, an aeroacoustic fluid model for slightly-compressible isentropic flows is developed and evaluated for its compressibility effects in the context of fluid-structure interactions. This model considers computational feasibility ...
Jingsen Ma,Chao-Tsung Hsiao,Georges L Chahine
Jingsen Ma
Numerical modeling of cavitating bubbly flows is challenging due to the wide range of characteristic lengths of the physics at play: from micrometers (e.g., bubble nuclei radius) to meters (e.g., propeller diameter or sheet cavity length). ...
Numerical simulations of aerosol delivery to the human lung with an idealized laryngeal model, image-based airway model, and automatic meshing algorithm [0.03%]
基于图像的气道模型和自动网格生成算法的人体肺部气溶胶输送数值模拟研究
Shinjiro Miyawaki,Eric A Hoffman,Ching-Long Lin
Shinjiro Miyawaki
The authors proposed a new method to automatically mesh computed tomography (CT)-based three-dimensional human airway geometry for computational fluid dynamics (CFD)-based simulations of pulmonary gas-flow and aerosol delivery. Traditional ...
MOTION OF A RIGID CYLINDER BETWEEN PARALLEL PLATES IN STOKES FLOW: PART 2: POISEUILLE AND COUETTE FLOW [0.03%]
刚性圆柱体在平行平板间的Stokes流中的运动(第二部分):Poiseuille和Couette流动
A S Dvinsky,A S Popel
A S Dvinsky
A numerical solution is presented for the motion of a neutrally buoyant circular cylinder in Poiseuille and Couette flows between two plane parallel boundaries. The force and torque on a stationary particle are calculated for a wide range o...
Motion of a Rigid Cylinder Between Parallel Plates in Stokes Flow: Part 1: Motion in A Quiescent Fluid and Sedimentation [0.03%]
斯托克斯流动中刚性圆柱在平行平板间的运动(第一部分):静止流体中的运动与沉降
A S Dvinsky,A S Popel
A S Dvinsky
A general numerical scheme for solution of two-dimensional Stokes equations in a multiconnected domain of arbitrary shape [1,2] is applied to the motion of a rigid circular cylinder between plane parallel boundaries. Numerically generated b...
Multiblock High Order Large Eddy Simulation of Powered Fontan Hemodynamics: Towards Computational Surgery [0.03%]
计算手术中动力Fontan分流血流的多块结构化高阶LES模拟研究
Yann T Delorme,Mark D Rodefeld,Steven H Frankel
Yann T Delorme
Children born with only one functional ventricle must typically undergo a series of three surgeries to obtain the so-called Fontan circulation in which the blood coming from the body passively flows from the Vena Cavae (VCs) to the Pulmonar...
Automated Tuning for Parameter Identification and Uncertainty Quantification in Multi-scale Coronary Simulations [0.03%]
自动调节在多尺度冠状动脉模拟中的参数识别和不确定性量化中的应用
Justin S Tran,Daniele E Schiavazzi,Abhay B Ramachandra et al.
Justin S Tran et al.
Atherosclerotic coronary artery disease, which can result in coronary artery stenosis, acute coronary artery occlusion, and eventually myocardial infarction, is a major cause of morbidity and mortality worldwide. Non-invasive characterizati...