Finite-volume WENO scheme for viscous compressible multicomponent flows [0.03%]
求解粘性可压缩多组分流体问题的有限体积WENO格式
Vedran Coralic,Tim Colonius
Vedran Coralic
We develop a shock- and interface-capturing numerical method that is suitable for the simulation of multicomponent flows governed by the compressible Navier-Stokes equations. The numerical method is high-order accurate in smooth regions of ...
A conservative algorithm for parabolic problems in domains with moving boundaries [0.03%]
带有移动边界的抛物型问题的保结构算法
Igor L Novak,Boris M Slepchenko
Igor L Novak
We describe a novel conservative algorithm for parabolic problems in domains with moving boundaries developed for modeling in cell biology. The spatial discretization is accomplished by applying Voronoi decomposition to a fixed rectangular ...
Jian Du,Robert D Guy,Aaron L Fogelson
Jian Du
We present an Immersed Boundary method for interactions between elastic boundaries and mixtures of two fluids. Each fluid has its own velocity field and volume-fraction. A penalty method is used to enforce the condition that both fluids' ve...
Efficient simulation of cardiac electrical propagation using high order finite elements [0.03%]
基于高阶有限元的心脏电活动高效模拟研究
Christopher J Arthurs,Martin J Bishop,David Kay
Christopher J Arthurs
We present an application of high order hierarchical finite elements for the efficient approximation of solutions to the cardiac monodomain problem. We detail the hurdles which must be overcome in order to achieve theoretically-optimal erro...
Parameterizing the Morse Potential for Coarse-Grained Modeling of Blood Plasma [0.03%]
基于摩尔斯势的粗粒化血浆模型参数化研究
Na Zhang,Peng Zhang,Wei Kang et al.
Na Zhang et al.
Multiscale simulations of fluids such as blood represent a major computational challenge of coupling the disparate spatiotemporal scales between molecular and macroscopic transport phenomena characterizing such complex fluids. In this paper...
L Exl,W Auzinger,S Bance et al.
L Exl et al.
A direct integration algorithm is described to compute the magnetostatic field and energy for given magnetization distributions on not necessarily uniform tensor grids. We use an analytically-based tensor approximation approach for function...
High-order spectral/ hp element discretisation for reaction-diffusion problems on surfaces: Application to cardiac electrophysiology [0.03%]
基于表面的高阶谱/hp单元离散化在反应扩散问题中的应用：心脏电生理学案例分析
Chris D Cantwell,Sergey Yakovlev,Robert M Kirby et al.
Chris D Cantwell et al.
We present a numerical discretisation of an embedded two-dimensional manifold using high-order continuous Galerkin spectral/hp elements, which provide exponential convergence of the solution with increasing polynomial order, while retaining...
Array-representation Integration Factor Method for High-dimensional Systems [0.03%]
阵列表示积分因子法及其在高维系统中的应用
Dongyong Wang,Lei Zhang,Qing Nie
Dongyong Wang
High order spatial derivatives and stiff reactions often introduce severe temporal stability constraints on the time step in numerical methods. Implicit integration method (IIF) method, which treats diffusion exactly and reaction implicitly...
Fluid-structure interaction involving large deformations: 3D simulations and applications to biological systems [0.03%]
涉及大变形的流固耦合问题的三维模拟及其在生物系统中的应用
Fang-Bao Tian,Hu Dai,Haoxiang Luo et al.
Fang-Bao Tian et al.
Three-dimensional fluid-structure interaction (FSI) involving large deformations of flexible bodies is common in biological systems, but accurate and efficient numerical approaches for modeling such systems are still scarce. In this work, w...
A Bidirectional Coupling Procedure Applied to Multiscale Respiratory Modeling [0.03%]
应用于多尺度呼吸模型的双向耦合方法
A P Kuprat,S Kabilan,J P Carson et al.
A P Kuprat et al.
In this study, we present a novel multiscale computational framework for efficiently linking multiple lower-dimensional models describing the distal lung mechanics to imaging-based 3D computational fluid dynamics (CFD) models of the upper p...