期刊
ANNALS OF BIOMEDICAL ENGINEERING
卷 41, 期 7, 页码 1445-1458出版社
SPRINGER
DOI: 10.1007/s10439-012-0717-y
关键词
3D-1D-0D models; Dimensionally heterogeneous models; Coupled problems; Partitioned analysis; Defective boundary conditions; Absorbing boundary conditions
资金
- Research Foundation-Flanders (FWO-Vlaanderen) [3G008509]
On the one hand the heterogeneity of the circulatory system requires the use of different models in its different compartments, featuring different assumptions on the spatial degrees of freedom. On the other hand, the mutual interactions between its compartments imply that these models should preferably not be considered separately. These requirements have led to the concept of geometrical multiscale modeling, where the main idea is to couple 3D models with reduced 1D and/or 0D models. As such detailed information on the flow field in a specific region of interest can be obtained while accounting for the global circulation. However, the combination of models with different mathematical features gives rise to many difficulties such as the assignment of boundary conditions at the interface between two models and the development of robust coupling algorithms, as the subproblems are usually solved in a partitioned way. This review aims to give an overview of the most important aspects concerning 3D-1D-0D coupled models. In addition, some applications are presented in order to illustrate the potentialities of these coupled models.
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