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Model Mathematics

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Component: input_values

Component: state_variables

Component: parameter_values

Component: environment

Component: pulmonary_fluid_dynamics

Component: pulmonary_capillary_pressure

PCP = \frac{(PPA - PLA) RPV}{RPV + RPA} + PLA

Component: fluid_filtration_into_pulmonary_interstitium

PFI = ((PCP - PPI) + POS - PPC) CPF

Component: pulmonary_interstitial_free_fluid_volume

DFZ = PFI - PLF DFP = DFZ \frac{d}{d time} (VPF1) = DFP VPF = \{\begin{matrix} 0.001 if VPF1 < 0.001 \\ VPF1 otherwise \end{matrix}

Component: pulmonary_interstitial_fluid_pressure

PPI = 2 - (\frac{0.15}{VPF})

Component: concentration_of_protein_in_pulmonary_interstitium

PPZ = PPN - PPO PPD = PPZ \frac{d}{d time} (PPR1) = PPD PPR = \{\begin{matrix} 0.025 if PPR1 < 0.025 \\ PPR1 otherwise \end{matrix} CPN = \frac{PPR}{VPF}

Component: colloid_osmotic_pressure_of_pulmonary_interstitium

POS = CPN 0.4

Component: protein_leakage_into_pulmonary_interstitium

PPN = (CPP - CPN) 0.000225

Component: lung_lymphatic_protein_flow

PLF = (PPI + 11) 0.0003 PPO = PLF CPN

Component: state_variables

Component: parameter_values

Source: Derived from workspace Guyton, Pulmonary, Fluid, Dynamics, 2008 at changeset 9a80f68269c8.

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