Abstract
In this chapter, advanced aspects of the computational model are presented which have not been addressed in one of the former chapters. A short overview of the sub-steps of the combined algorithm is given in section 8.1. The unit conversion between physical and lattice units is explained in section 8.2, followed by the description of the membrane mesh generation in section 8.3. The behavior of a single spherical, elastic capsule in shear flow is studied in detail in section 8.4 as a benchmark test. An efficient approach for initializing a dense suspension of deformable particles is discussed in section 8.5. Shortcomings and restrictions of the presented model are identified in section 8.6. The need for additional membrane-membrane interaction forces is motivated in section 8.7. Finally, wall slip at smooth walls and its circumvention is discussed in section 8.8.
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Notes
- 1.
They can be found in Krüger et al. [187] instead.
- 2.
The reason for such a, crash is the explicit time integration in combination with large forces which may drive individual membrane nodes out of the numerical grid
- 3.
This must be the case since the IBM interpolation stencils obey momentum conservation.
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© 2012 Vieweg+Teubner Verlag | Springer Fachmedien Wiesbaden
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Krüger, T. (2012). Advanced model discussions. In: Computer Simulation Study of Collective Phenomena in Dense Suspensions of Red Blood Cells under Shear. Vieweg+Teubner Verlag, Wiesbaden. https://doi.org/10.1007/978-3-8348-2376-2_8
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DOI: https://doi.org/10.1007/978-3-8348-2376-2_8
Publisher Name: Vieweg+Teubner Verlag, Wiesbaden
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Online ISBN: 978-3-8348-2376-2
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