Computational flow analysis with boundary layer and contact representation: II. Heart valve flow with leaflet contact

T Terahara, T Kuraishi, K Takizawa… - Journal of …, 2022 - academic.oup.com
In this second part of a two-part article, we provide an overview of the heart valve flow
analyses conducted with boundary layer and contact representation, made possible with the …

A variational multiscale framework for atmospheric turbulent flows over complex environmental terrains

M Ravensbergen, TA Helgedagsrud, Y Bazilevs… - Computer Methods in …, 2020 - Elsevier
A residual-based variational multi-scale (VMS) modeling framework is applied to simulate
atmospheric flow over complex environmental terrains. The VMS framework is verified and …

Heart valve isogeometric sequentially-coupled FSI analysis with the space–time topology change method

T Terahara, K Takizawa, TE Tezduyar… - Computational …, 2020 - Springer
Heart valve fluid–structure interaction (FSI) analysis is one of the computationally
challenging cases in cardiovascular fluid mechanics. The challenges include unsteady flow …

Gas turbine computational flow and structure analysis with isogeometric discretization and a complex-geometry mesh generation method

Y Bazilevs, K Takizawa, MCH Wu, T Kuraishi… - Computational …, 2021 - Springer
A recently introduced NURBS mesh generation method for complex-geometry Isogeometric
Analysis (IGA) is applied to building a high-quality mesh for a gas turbine. The compressible …

Ventricle-valve-aorta flow analysis with the space–time isogeometric discretization and topology change

T Terahara, K Takizawa, TE Tezduyar… - Computational …, 2020 - Springer
We address the computational challenges of and presents results from ventricle-valve-aorta
flow analysis. Including the left ventricle (LV) in the model makes the flow into the valve, and …

Isogeometric analysis-based physics-informed graph neural network for studying traffic jam in neurons

A Li, YJ Zhang - Computer Methods in Applied Mechanics and …, 2023 - Elsevier
The motor-driven intracellular transport plays a crucial role in supporting a neuron cell's
survival and function, with motor proteins and microtubule (MT) structures collaborating to …

Computational investigation of left ventricular hemodynamics following bioprosthetic aortic and mitral valve replacement

F Xu, EL Johnson, C Wang, A Jafari, CH Yang… - Mechanics Research …, 2021 - Elsevier
The left ventricle of the heart is a fundamental structure in the human cardiac system that
pumps oxygenated blood into the systemic circulation. Several valvular conditions can …

Space–time variational multiscale isogeometric analysis of a tsunami-shelter vertical-axis wind turbine

Y Otoguro, H Mochizuki, K Takizawa… - Computational …, 2020 - Springer
We present computational flow analysis of a vertical-axis wind turbine (VAWT) that has been
proposed to also serve as a tsunami shelter. In addition to the three-blade rotor, the turbine …

The actuator line method for wind turbine modelling applied in a variational multiscale framework

M Ravensbergen, AB Mohamed, A Korobenko - Computers & Fluids, 2020 - Elsevier
The actuator line method is implemented into a residual-based variational multiscale (VMS)
fluid modelling framework to simulate airflow around a wind turbine. In the actuator line …

U-duct turbulent-flow computation with the ST-VMS method and isogeometric discretization

L Aydinbakar, K Takizawa, TE Tezduyar… - Computational …, 2021 - Springer
The U-duct turbulent flow is a known benchmark problem with the computational challenges
of high Reynolds number, high curvature and strong flow dependence on the inflow profile …