Model Mathematics

Component: Environment

Component: Parameters

Component: PCA

ddtimeP_p=2⁢Q_Lp⁢R_a-2⁢P_p+2⁢P_aR_a⁢C_pddtimeQ_Lp=P_ai-P_p-Q_Lp⁢R_pL_p

Component: PCA_Components

C_p=3⁢π⁢r_p2⁢r_ph_p+12E_p⁢2⁢r_ph_p+1⁢l_pL_p=Rho_bπ⁢r_p2⁢l_p⁢0.0000075R_p=8⁢Eta_bπ⁢r_p4⁢l_p

Component: Arteriolar_Circulation

ddtimer_a=r_a0⁢P_p⁢R_a+R_v⁢r_a+P_v⁢R_a⁢r_a-T_ae+T_am+P_ic⁢r_a+h_a⁢2⁢R_a+R_vr_a0⁢r_a2⁢K_Va⁢R_a⁢R_a+R_v+Eta_a⁢h_a⁢2⁢R_a+R_vP_a=T_a+P_ic⁢r_a+h_ar_a

Component: AC_Components

R_a=K_Rar_a4C_a=1.0312R_a

Component: AC_Flow

Q_a=2⁢P_a-P_vR_a+R_v

Component: Venous_Circulation

ddtimeP_v=2C_v⁢P_a-P_vR_a+R_v-P_v-P_voR_v

Component: AC_Tension

T_a=T_ae+T_am+T_avT_ae=h_a⁢sigma_ae0⁢ⅇK_a_sigma⁢r_a-r_a0r_a0-1-sigma_acT_am=T_a_max⁢ⅇ-|r_a-r_amr_at-r_am|n_amT_av=Eta_ar_a0⁢ddtimer_a⁢h_a

Component: AC_Tension_Variables

h_a=r_a2+2⁢r_a0⁢h_a0+h_a02-r_aT_a_max=T_a_max0⁢1+M_s

Component: CBF_Regulation

M_s=ⅇ2⁢M_s1-1ⅇ2⁢M_s1+1M_s1=G_myo⁢x_myo+G_shear⁢x_shear+G_neuro⁢x_neuro+G_meta⁢x_meta+x_ini

Component: Myo_Regulation

A_myo=T_a-T_myo0T_myo_sddtimex_myo=A_myo-x_myoTau_myo

Component: Shear_Regulation

A_shear=K_shear⁢Q_ar_a3-1ddtimex_shear=A_shear-x_shearTau_shear

Component: Neuro_Regulation

ddtimex_neuro=A_neuro-x_neuroTau_neuroA_neuro=1iftime≥10otherwise

Component: Meta_Regulation

A_Meta=G_a_Meta⁢conc_CO2_t-conc_CO2_t_spddtimex_meta=A_Meta-x_metaTau_Meta

Component: Meta_CO2_Kinetics

ddtimeconc_CO2_t=1vol_PVC⁢M_CO2-Q_a⁢conc_CO2_v-conc_CO2_aconc_CO2_v=alpha_tv⁢conc_CO2_t+beta_tv

Component: VC_Meta_Stim

M_CO2=M_CO2_0⁢unity+A_neuro⁢f_Q-unityn_QM