Model type | Windkessel models | 1D models | Tube-load models |
---|---|---|---|
Model structure | Including capacitors, resistors and inductance | Dividing the arterial tree into many small segments | Consisting of multiple tubes with terminal loads |
Model parameters | Few | A lot | Few |
Easy to estimate | Difficult to estimate | Easy to estimate | |
Complexity | Low | High | Moderate |
Accuracy | Low | High | Moderate |
Simulate wave propagation and reflection phenomenon | No | Yes | Yes |
Inflow condition | Aortic flow function | Aortic flow or pressure waveforms | Aortic pressure waveforms |
Aortic pressure waveforms | Aortic flow function | ||
Heart model | |||
Outflow condition | Venous pressure | Pure resistance | Windkessel model |
Windkessel model | Generic pole-zero model | ||
Structured-tree model | Pressure | ||
Pressure | |||
Geometrical and mechanical properties | None | Vessel diameter, length, thickness, elasticity and blood viscosity | Vessel length and elasticity |