Effect of shape of the stenosis on the hemodynamics of a stenosed coronary artery
In this study, the effect of the shape of the stenosis on the flow transition in an artery is
investigated. Different shapes of the stenosis including round, oval, elongated, half-moon …
investigated. Different shapes of the stenosis including round, oval, elongated, half-moon …
Investigating unsteady airflow characteristics in the human upper airway based on the clinical inspiration data
To enhance understanding of the airflow characteristics in the human respiratory system
during realistic inspiration, we investigated the airflow field in a human upper airway model …
during realistic inspiration, we investigated the airflow field in a human upper airway model …
CFD simulations of inhalation through a subject-specific human larynx–Impact of the unilateral vocal fold immobility
S Voss, SC Vutlapalli, P Saalfeld, C Arens… - Computers in Biology …, 2022 - Elsevier
Background The larynx of the human respiratory tract plays a vital role in breathing and
voice production. Both can be influenced by functional and/or morphological changes of the …
voice production. Both can be influenced by functional and/or morphological changes of the …
Comparing LES and URANS results with a reference DNS of the transitional airflow in a patient-specific larynx geometry during exhalation
Air exhalation in the laryngeal area produces a complex transitional flow. A detailed
investigation of the resulting flow features is very interesting from a fundamental point of …
investigation of the resulting flow features is very interesting from a fundamental point of …
Assessing airflow unsteadiness in the human respiratory tract under different expiration conditions
To enhance the understanding of airflow characteristics in the human respiratory system, the
expiratory airflow in a human respiratory tract model was simulated using large eddy …
expiratory airflow in a human respiratory tract model was simulated using large eddy …
Quantitative assessment of 4D hemodynamics in cerebral aneurysms using proper orthogonal decomposition
G Janiga - Journal of biomechanics, 2019 - Elsevier
Background and purpose The comparison of different time-varying three-dimensional
hemodynamic data (4D) is a formidable task. The purpose of this study is to investigate the …
hemodynamic data (4D) is a formidable task. The purpose of this study is to investigate the …
Novel feature-based visualization of the unsteady blood flow in intracranial aneurysms with the help of proper orthogonal decomposition (POD)
G Janiga - Computerized Medical Imaging and Graphics, 2019 - Elsevier
The recognition and interpretation of pulsatile subject-specific blood flow is a challenging
task. Animations of various quantities–such as blood flow velocity, pressure, or wall shear …
task. Animations of various quantities–such as blood flow velocity, pressure, or wall shear …
Characterizing Complex Spatiotemporal Patterns from Entropy Measures
In addition to their importance in statistical thermodynamics, probabilistic entropy
measurements are crucial for understanding and analyzing complex systems, with diverse …
measurements are crucial for understanding and analyzing complex systems, with diverse …
Assessing transitional air flow during human exhalation from large eddy simulations based on spectral entropy
S Voss, C Arens, G Janiga - Flow, Turbulence and Combustion, 2019 - Springer
Automatized classification of turbulent flow is a challenging task, since turbulence is a
phenomenon with highly varying parameters in space and time. In medical flow simulation …
phenomenon with highly varying parameters in space and time. In medical flow simulation …
Transition and Acoustic Excitation of Stenotic Pipe Flows at Different Reynolds Numbers
A Abdelsamie, SR Koh, G Janiga… - … Workshop Direct and …, 2023 - Springer
A human respiratory system consists of phonation components that are coupled in a
complex manner in order to ensure various vital functions, in particular voice generation …
complex manner in order to ensure various vital functions, in particular voice generation …