Computational aerodynamics with isogeometric analysis

Y Bazilevs, K Takizawa, TE Tezduyar… - Journal of …, 2023 - academic.oup.com
The superior accuracy isogeometric analysis (IGA) brought to computations in fluid and solid
mechanics has been yielding higher fidelity in computational aerodynamics. The increased …

A framework for designing patient‐specific bioprosthetic heart valves using immersogeometric fluid–structure interaction analysis

F Xu, S Morganti, R Zakerzadeh… - … journal for numerical …, 2018 - Wiley Online Library
Numerous studies have suggested that medical image derived computational mechanics
models could be developed to reduce mortality and morbidity due to cardiovascular …

Thinner biological tissues induce leaflet flutter in aortic heart valve replacements

EL Johnson, MCH Wu, F Xu, NM Wiese… - Proceedings of the …, 2020 - pnas.org
Valvular heart disease has recently become an increasing public health concern due to the
high prevalence of valve degeneration in aging populations. For patients with severely …

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 …

Boundary layer mesh resolution in flow computation with the space–time variational multiscale method and isogeometric discretization

T Kuraishi, K Takizawa, TE Tezduyar - Mathematical Models and …, 2022 - World Scientific
We present an extensive study on boundary layer mesh resolution in flow computation with
the Space–Time Variational Multiscale (ST-VMS) method and isogeometric discretization …

High-resolution multi-domain space–time isogeometric analysis of car and tire aerodynamics with road contact and tire deformation and rotation

T Kuraishi, Z Xu, K Takizawa, TE Tezduyar… - Computational …, 2022 - Springer
We are presenting high-resolution space–time (ST) isogeometric analysis of car and tire
aerodynamics with near-actual tire geometry, road contact, and tire deformation and rotation …

Flow computation with the space–time isogeometric analysis and higher-order basis functions in time

Y Liu, K Takizawa, Y Otoguro, T Kuraishi… - … Models and Methods …, 2022 - World Scientific
We present method-evaluation incompressible-flow computations with Space–Time
Isogeometric Analysis (ST-IGA) and higher-order basis functions in time. The computational …

An octree-based immersogeometric approach for modeling inertial migration of particles in channels

S Xu, B Gao, A Lofquist, M Fernando, MC Hsu… - Computers & …, 2021 - Elsevier
In this paper, we develop a scalable, adaptively refined, octree-based finite element
approach with immersogeometric analysis to track inertial migration of particles in …

Carrier-domain method for high-resolution computation of time-periodic long-wake flows

Y Liu, K Takizawa, TE Tezduyar, T Kuraishi… - Computational …, 2023 - Springer
We are introducing the Carrier-Domain Method (CDM) for high-resolution computation of
time-periodic long-wake flows, with cost-effectives that makes the computations practical …

Multiscale space–time isogeometric analysis of car and tire aerodynamics with road contact and tire deformation: full-domain computation to high-resolution tire …

T Kuraishi, K Takizawa, TE Tezduyar, Z Xu… - … in Computational Fluid …, 2023 - Springer
We are presenting a multiscale space–time (ST) isogeometric analysis framework for car
and tire aerodynamics with road contact and tire deformation. It is a framework of full-domain …