Research Article
Simulation of Intra-Aneurysmal Blood Flow by Different Numerical Methods
Table 1
Comparison of different simulation methods.
| Aspect | FEM | LBM |
| Ansatz | Euler | Euler | Incompressibility | Yes | Yes | Time steps | Large | Implicit scheme: medium | Cost per time step | Large | Small | Boundary-fitted domain | Difficult | Fine grids | Level-set-based domain | Research topic, fictitious domain techniques | Research topic, same grid | Error analysis | Yes | Partial | Error control | Yes | No | Mesh/grid refinement | Yes | Research topic | Accuracy | High | Good | Non-Newtonian rheology | Yes | Available | Thrombosis model | Research topic | Research topic | Fluid structure interaction | Research topic | Research topic | Turbulence | Partial | Partial | Code implementation | Complicated | Good | Memory usage | Q2P1: high | D3Q19: high | Parallelisation | Complicated | Good |
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