Table 3.
Model | Element count | Equation # | Run time (h) |
---|---|---|---|
1. Full domain, coarse mesh, steady state solution at end-diastole, ten load steps |
Solid: 216,076 | Solid: 984,241 | 15 |
Fluid: 300,215 | Fluid: 230,996 | ||
FSI: 57,950 | |||
2. Full domain, coarse mesh, transient solution with 26 cardiac phases |
Solid: 216,076 | Solid: 984,241 | 27 |
Fluid: 300,215 | Fluid: 230,996 | ||
FSI: 57,950 | |||
3. Truncated model, fine mesh, steady state solution at peak stress state |
Solid: 187,086 | Solid: 1,213,644 |
9 |
Fluid: 30,887 | Fluid: 26,212 | ||
FSI: 6,553 | |||
4. Full domain model capable of resolving stresses in region of interest. Steady-state solution at end-diastole, ten load steps |
Solid: 343,227 | Solid: 2,180,749 | 125a |
Fluid: 300,215 | Fluid: 230,996 | ||
FSI: 57,950 |
CFD boundary conditions, material description, and meshes were the same for models 1, 2, and 4. Solids were nonlinear, hyperelastic and nearly incompressible
Run time for model 4 is estimated from solution time for load steps 1–5, in comparison to same load steps for model 1