Presentation Details
Improving Numerical Stability of a Tensor-Based Blood Damage Model using the Log-Conformation Formulation
Thursday, 12 Oct 2017; 14:30 - 14:50 in room 7.01
In Session:
CS01: Advanced Modelling and Discretization Schemes
Thursday, 12 Oct 2017; 13:30 - 15:30 in room 7.01
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1st and presenting Author
Stefan Haßler
Chair for Computational Analysis of Technical Systems
RWTH Aachen University
Aachen, Germany
Chair for Computational Analysis of Technical Systems
RWTH Aachen University
Aachen, Germany
2nd Author
Lutz Pauli
Chair for Computational Analysis of Technical Systems
RWTH Aachen University
Aachen, Germany
Chair for Computational Analysis of Technical Systems
RWTH Aachen University
Aachen, Germany
3rd Author
Marek Behr
Chair for Computational Analysis of Technical Systems
RWTH Aachen University
Aachen, Germany
Chair for Computational Analysis of Technical Systems
RWTH Aachen University
Aachen, Germany
Micro Abstract:
Computational Hemodynamics enables the prediction of hydraulic properties and biocompatibility of new Ventricular Assist Devices (VADs). For hemolysis predictions, we use a tensor-based morphology model that accounts for the physiological behavior of red blood cells in blood flow. It resembles the viscoelastic Oldroyd-B equation and shows similar difficulties in numerical stability. Therefore, we apply the log-conformation formulation to the morphology model and show its enhanced stability.