f_htot 145[mm] Total height of the frame
f_hl1 12[mm] Height of the first left part of the frame
f_hl2 3[mm] Height of the second left part of the frame
f_hl3 63[mm] Height of the third left part of the frame
f_hl4 10[mm] Height of the fourth left part of the frame
f_hl5 8[mm] Height of the fifth left part of the frame
f_hl6 49[mm] Height of the sixth left part of the frame
f_hr1 6[mm] Height of the first right part of the frame
f_hr2 3[mm] Height of the second right part of the frame
f_hr3 24[mm] Height of the third right part of the frame (insulation panel thickness)
f_hr4 56[mm] Height of the fourth right part of the frame
f_hr5 7[mm] Height of the fifth right part of the frame
f_hr6 49[mm] Height of the sixth right part of the frame
f_wtot 89[mm] Total width of the frame (use for calculation)
f_wb1 10[mm] Width of the first bottom part of the frame
f_wb2 20[mm] Width of the second bottom part of the frame
f_wb3 54[mm] Width of the third bottom part of the frame
f_wb4 5[mm] Width of the fourth bottom part of the frame
f_wb5 19[mm] Width of the fifth bottom part of the frame
f_wt1 19[mm] Width of the first top part of the frame
f_wt2 40[mm] Width of the second top part of the frame
f_wt3 3[mm] Width of the third top part of the frame
f_wt4 33[mm] Width of the fourth top part of the frame
f_wT4 13[mm] Width of the fifth part of the frame
uc1_h 80[mm] Height of the first unventilated cavity
uc1_w 19[mm] Width of the first unventilated cavity
uc2_h 20[mm] Height of the second unventilated cavity
uc2_w 3[mm] Width of the second unventilated cavity
uc3_h 28[mm] Height of the third unventilated cavity
uc3_w 5[mm] Width of the third unventilated cavity
svc1_h 7[mm] Height of the first slightly ventilated cavity
svc1_w 3[mm] Width of the first slightly ventilated cavity
svc2_h 63[mm] Height of the second slightly ventilated cavity
svc2_w 26[mm] Width of the second slightly ventilated cavity
svc3_h 15[mm] Height of the third slightly ventilated cavity
svc3_w 18[mm] Width of the third slightly ventilated cavity
svc4_h 10[mm] Height of the fourth slightly ventilated cavity
svc4_w 3[mm] Width of the fourth slightly ventilated cavity
pp 13[mm] Panel penetration
pvl 190[mm] Panel visible length
epdm_t1 2[mm] First EPDM block thickness
epdm_t2 3[mm] Second EPDM block thickness
wb1_h 130[mm] Height of the first wood block
wb1_w 40[mm] Width of the first wood block
wb2_h 95[mm] Height of the second wood block
wb2_w1 15[mm] First width of the second wood block
wb2_w2 34[mm] Second width of the second wood block
wb2_w3 52[mm] Third width of the second wood block
a_t 1[mm] Aluminum thickness
a_h 48[mm] Height of the aluminum block on the left of the frame
sp1 2[mm] Useful space
sp2 3[mm] Useful thickness
sp3 5[mm] Useful thickness
sp4 6[mm] Useful thickness
sp5 8[mm] Useful space
A_uc1 int_uc1(1) Area of the first unventilated cavity
A_svc2 int_svc2(1) Area of the second slightly ventilated cavity
A_svc3 int_svc3(1) Area of the third slightly ventilated cavity
uc1_h2 h_resized(A_uc1,uc1_h,uc1_w) Equivalent height of the first unventilated cavity
svc2_h2 h_resized(A_svc2,svc2_h,svc2_w) Equivalent height of the second slightly ventilated cavity
svc3_h2 h_resized(A_svc3,svc3_h,svc3_w) Equivalent height of the third slightly ventilated cavity
R_uc1 1/(ha_2(uc1_h2,max_uc1(T4)-min_uc1(T4))+hr(uc1_h,uc1_w,ave_uc1(T4),epsilon,epsilon)) Thermal resistance of the first unventilated cavity
R_uc2 1/(ha_1(uc2_h)+hr(uc2_h,uc2_w,ave_uc2(T4),epsilon,epsilon)) Thermal resistance of the second unventilated cavity
R_uc3 1/(ha_2(uc3_h,max_uc3(T4)-min_uc3(T4))+hr(uc3_h,uc3_w,ave_uc3(T4),epsilon,epsilon)) Thermal resistance of the third unventilated cavity
R_svc1 1/(ha_1(svc1_h)+hr(svc1_h,svc1_w,ave_svc1(T4),epsilon,epsilon)) Thermal resistance of the first slightly ventilated cavity
R_svc2 1/(ha_2(svc2_h2,max_svc2(T4)-min_svc2(T4))+hr(svc2_h,svc2_w,ave_svc2(T4),epsilon,epsilon)) Thermal resistance of the second slightly ventilated cavity
R_svc3 1/(ha_2(svc3_h2,max_svc3(T4)-min_svc3(T4))+hr(svc3_h,svc3_w,ave_svc3(T4),epsilon,epsilon)) Thermal resistance of the third slightly ventilated cavity
R_svc4 1/(ha_1(svc4_h)+hr(svc4_h,svc4_w,ave_svc4(T4),epsilon,epsilon)) Thermal resistance of the fourth slightly ventilated cavity
Rp f_hr3/lambda_p Thermal resistance of the central area of the panel
Up_n 1/(Rsi_n+Rse+Rp) Thermal transmittance of the panel (normal)
Up_p 1/(Rsi_p+Rse+Rp) Thermal transmittance of the panel (protected)
Up (30[mm]*Up_p+(pvl-30[mm])*Up_n)/pvl Thermal transmittance of the panel