Multi-catenary isogeometric discretization with the sliding constraint

2021 ◽  
Author(s):  
Damir Sedlar ◽  
Zeljan Lozina ◽  
Andela Bartulovic
Keyword(s):  
Isogeometric Discretization

scholarly journals Space–time VMS flow analysis of a turbocharger turbine with isogeometric discretization: computations with time-dependent and steady-inflow representations of the intake/exhaust cycle

2019 ◽  
Vol 64 (5) ◽  
pp. 1403-1419 ◽  
Author(s):  
Yuto Otoguro ◽  
Kenji Takizawa ◽  
Tayfun E. Tezduyar ◽  
Kenichiro Nagaoka ◽  
Reha Avsar ◽  
...  
Keyword(s):  
Flow Analysis ◽  
Space Time ◽  
Time Dependent ◽  
Isogeometric Discretization

Heart Valve Flow Analysis with Isogeometric Discretization and Resolved Jet Flow Near Leaflet Surfaces

2017 ◽  
Vol 2017 (0) ◽  
pp. J0230305
Author(s):  
Takuya TERAHARA ◽  
Takafumi SASAKI ◽  
Kenji TAKIZAWA ◽  
Tayfun E. TEZDUYAR
Keyword(s):  
Heart Valve ◽  
Flow Analysis ◽  
Jet Flow ◽  
Isogeometric Discretization

scholarly journals Ventricle-valve-aorta flow analysis with the Space–Time Isogeometric Discretization and Topology Change

2020 ◽  
Vol 65 (5) ◽  
pp. 1343-1363 ◽  
Author(s):  
Takuya Terahara ◽  
Kenji Takizawa ◽  
Tayfun E. Tezduyar ◽  
Atsushi Tsushima ◽  
Kensuke Shiozaki
Keyword(s):  
Flow Analysis ◽  
Space Time ◽  
Topology Change ◽  
And Topology ◽  
Isogeometric Discretization

Aortic Zero-Stress State Estimation with Isogeometric Discretization

2016 ◽  
Vol 2016.29 (0) ◽  
pp. 4_290
Author(s):  
Takafumi Sasaki ◽  
Kenji Takizawa ◽  
Tayfun E.Tezduyar ◽  
Keiichi Itatani
Keyword(s):  
Stress State ◽  
State Estimation ◽  
Isogeometric Discretization

Patient-Specific Aorta Flow Analysis with the Space-Time VMS Method and Isogeometric Discretization

2017 ◽  
Vol 2017 (0) ◽  
pp. J0230303
Author(s):  
Hiroaki UCHIKAWA ◽  
Takuya TERAHARA ◽  
Takafumi SASAKI ◽  
Kenji TAKIZAWA ◽  
Tayfun E. TEZDUYAR
Keyword(s):  
Flow Analysis ◽  
Space Time ◽  
Patient Specific ◽  
Isogeometric Discretization

Aorta modeling with the element-based zero-stress state and isogeometric discretization

2016 ◽  
Vol 59 (2) ◽  
pp. 265-280 ◽  
Author(s):  
Kenji Takizawa ◽  
Tayfun E. Tezduyar ◽  
Takafumi Sasaki
Keyword(s):  
Stress State ◽  
Isogeometric Discretization

scholarly journals Wind Turbine and Turbomachinery Computational Analysis with the ALE and Space-Time Variational Multiscale Methods and Isogeometric Discretization

2020 ◽  
Vol 4 (1) ◽  
pp. 1 ◽  
Author(s):  
Yuri Bazilevs ◽  
Kenji Takizawa ◽  
Tayfun E. Tezduyar ◽  
Ming-Chen Hsu ◽  
Yuto Otoguro ◽  
...  
Keyword(s):  
Wind Turbine ◽  
Wind Turbines ◽  
Computational Analysis ◽  
Vertical Axis ◽  
Space Time ◽  
Multiscale Methods ◽  
Arbitrary Lagrangian Eulerian ◽  
Variational Multiscale ◽  
Creative Commons ◽  
Isogeometric Discretization

The challenges encountered in computational analysis of wind turbines and turbomachinery include turbulent rotational flows, complex geometries, moving boundaries and interfaces, such as the rotor motion, and the fluid-structure interaction (FSI), such as the FSI between the wind turbine blade and the air. The Arbitrary Lagrangian-Eulerian (ALE) and Space-Time (ST) Variational Multiscale (VMS) methods and isogeometric discretization have been effective in addressing these challenges. The ALE-VMS and ST-VMS serve as core computational methods. They are supplemented with special methods like the Slip Interface (SI) method and ST Isogeometric Analysis with NURBS basis functions in time. We describe the core and special methods and present, as examples of challenging computations performed, computational analysis of horizontal and vertical-axis wind turbines and flow-driven This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium provided the original work is properly cited.

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