Variational data assimilation for transient blood flow simulations: Cerebral aneurysms as an illustrative example
Several cardiovascular diseases are caused from localised abnormal blood flow such as in
the case of stenosis or aneurysms. Prevailing theories propose that the development is …
the case of stenosis or aneurysms. Prevailing theories propose that the development is …
A velocity tracking approach for the data assimilation problem in blood flow simulations
Several advances have been made in data assimilation techniques applied to blood flow
modeling. Typically, idealized boundary conditions, only verified in straight parts of the …
modeling. Typically, idealized boundary conditions, only verified in straight parts of the …
Optimal control in blood flow simulations
Blood flow simulations can be improved by integrating known data into the numerical
simulations. Data Assimilation techniques based on a variational approach play an …
simulations. Data Assimilation techniques based on a variational approach play an …
Transient flow prediction in an idealized aneurysm geometry using data assimilation
F Gaidzik, D Stucht, C Roloff, O Speck… - Computers in biology …, 2019 - Elsevier
Hemodynamic simulations are restricted by modeling assumptions and uncertain initial and
boundary conditions, whereas Phase-Contrast Magnetic Resonance Imaging (PC-MRI) data …
boundary conditions, whereas Phase-Contrast Magnetic Resonance Imaging (PC-MRI) data …
Applications of variational data assimilation in computational hemodynamics
The development of new technologies for acquiring measures and images in order to
investigate cardiovascular diseases raises new challenges in scientific computing. These …
investigate cardiovascular diseases raises new challenges in scientific computing. These …
Boundary control in computational haemodynamics
TS Koltukluoğlu, PJ Blanco - Journal of Fluid Mechanics, 2018 - cambridge.org
In this work, a data assimilation method is proposed following an optimise-then-discretise
approach, and is applied in the context of computational haemodynamics. The methodology …
approach, and is applied in the context of computational haemodynamics. The methodology …
Data assimilation in cardiovascular fluid–structure interaction problems: an introduction
Numerical methods for incompressible fluid dynamics have recently received a strong
impulse from the applications to the cardiovascular system. In particular, fluid–structure …
impulse from the applications to the cardiovascular system. In particular, fluid–structure …
A data assimilation approach for non-Newtonian blood flow simulations in 3D geometries
Blood flow simulations can play an important role in medical training and diagnostic
predictions associated to several pathologies of the cardiovascular system. The main …
predictions associated to several pathologies of the cardiovascular system. The main …
Integrating multi-fidelity blood flow data with reduced-order data assimilation
M Habibi, RM D'Souza, STM Dawson… - Computers in Biology and …, 2021 - Elsevier
High-fidelity patient-specific modeling of cardiovascular flows and hemodynamics is
challenging. Direct blood flow measurement inside the body with in-vivo measurement …
challenging. Direct blood flow measurement inside the body with in-vivo measurement …
A model reduction approach for the variational estimation of vascular compliance by solving an inverse fluid–structure interaction problem
L Bertagna, A Veneziani - Inverse Problems, 2014 - iopscience.iop.org
Scientific computing has progressively become an important tool for research in
cardiovascular diseases. The role of quantitative analyses based on numerical simulations …
cardiovascular diseases. The role of quantitative analyses based on numerical simulations …