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 …

T-splines computational membrane–cable structural mechanics with continuity and smoothness: II. Spacecraft parachutes

T Terahara, K Takizawa, R Avsar… - Computational Mechanics, 2023 - Springer
In this second part of a two-part article, we present spacecraft parachute structural
mechanics computations with the T-splines computational method introduced in the first part …

Heart valve computational flow analysis with boundary layer and leaflet contact representation

T Terahara, K Takizawa, TE Tezduyar - Frontiers in Computational Fluid …, 2023 - Springer
We present an overview our computational framework for heart valve flow analysis with
boundary layer and leaflet contact representation. The challenge of representing the contact …

Advanced IGA mesh generation and application to structural vibrations

E Wobbes, Y Bazilevs, T Kuraishi, Y Otoguro… - … in Computational Fluid …, 2023 - Springer
In this chapter, we present a workflow for Isogeometric Analysis (IGA) that incorporates an
advanced mesh generation method Otoguro et al.(Comput Fluids 158: 189–200, 2017). The …

Space–time isogeometric analysis of tire aerodynamics with complex tread pattern, road contact, and tire deformation

T Kuraishi, Z Xu, K Takizawa, TE Tezduyar… - Computational …, 2024 - Springer
The space–time (ST) computational method “ST-SI-TC-IGA” and recently-introduced
complex-geometry isogeometric analysis (IGA) mesh generation methods have enabled …

A general-purpose IGA mesh generation method: NURBS Surface-to-Volume Guided Mesh Generation

T Kuraishi, K Takizawa, TE Tezduyar - Computational Mechanics, 2025 - Springer
Abstract The NURBS Surface-to-Volume Guided Mesh Generation (NSVGMG) is a general-
purpose mesh generation method, introduced to increase the scope of isogeometric …

Element length calculation for isogeometric discretization and complex geometries

Y Otoguro, K Takizawa, TE Tezduyar - Frontiers in Computational Fluid …, 2023 - Springer
Flow computations with semi-discrete and space–time (ST) methods have been relying on,
as core methods, variational multiscale methods and, more generally, stabilized methods …

Variational multiscale method stabilization parameter calculated from the strain-rate tensor

K Takizawa, Y Otoguro, TE Tezduyar - Mathematical Models and …, 2023 - World Scientific
The stabilization parameters of the methods like the Streamline-Upwind/Petrov–Galerkin,
Pressure-Stabilizing/Petrov–Galerkin, and the Variational Multiscale method typically …

Isogeometric boundary element analysis of creasing of capsule in simple shear flow

H Takeda, Y Asai, S Ishida, Y Taniguchi… - Journal of Fluids and …, 2024 - Elsevier
Wrinkling and creasing of an elastic membrane are post-buckling processes induced by in-
plane compression. When a hyperelastic capsule is suspended in a simple shear flow, its …

High-resolution 3D computation of time-periodic long-wake flows with the Carrier-Domain Method and Space–Time Variational Multiscale method with isogeometric …

Y Liu, K Takizawa, TE Tezduyar - Computational Mechanics, 2024 - Springer
Abstract The Carrier-Domain Method was introduced for high-resolution computation of time-
periodic long-wake flows. The cost-effectiveness of the method makes such computations …