f_htot 119[mm] Total height of the frame
f_hl1 100[mm] Height of the first left part of the frame
f_hl2 19[mm] Height of the second left part of the frame
f_hr1 26[mm] Height of the first right part of the frame
f_hr2 14[mm] Height of the second right part of the frame
f_hr3 58[mm] Height of the third right part of the frame (insulation panel thickness)
f_hr4 19[mm] Height of the fourth right part of the frame
f_wtot 110[mm] Total width of the frame
f_wb1 90[mm] Width of the first bottom part of the frame
f_wb2 20[mm] Width of the second bottom part of the frame
f_wt1 47[mm] Width of the first top part of the frame
f_wt2 63[mm] Width of the second top part of the frame
wb1_h 92[mm] Height of the first wood block
wb1_w 76[mm] Width of the first wood block
wb2_h 54[mm] Height of the second wood block
wb2_w 63[mm] Width of the second wood block
wb2_h2 12[mm] Height of the second wood block under the insulation panel
at 2[mm] Aluminum thickness
et 3[mm] EPDM thickness
e1_w 12[mm] Width of the first EPDM block
uc1_h 6[mm] Height of the first unventilated cavity
uc1_w 76[mm] Width of the first unventilated cavity
uc2_h 22[mm] Height of the second unventilated cavity
uc2_w 10[mm] Width of the second unventilated cavity
uc3_h 27[mm] Height of the third unventilated cavity
uc3_w 30[mm] Width of the third unventilated cavity
uc4_h 15[mm] Height of the fourth unventilated cavity
uc4_w 13[mm] Width of the fourth unventilated cavity
uc5_h 26[mm] Height of the fifth unventilated cavity
uc5_w 5[mm] Width of the fifth unventilated cavity
uc6_h 77[mm] Height of the sixth unventilated cavity
uc6_w 51[mm] Width of the sixth unventilated cavity
cc_w1 17[mm] Width of the first part of the central cavity
cc_w2 4[mm] Width of the second part of the central cavity
cc_h 6[mm] Height of the central cavity (between wood block 2 and the aluminum block)
pp 15[mm] Insulation panel penetration
pvl 190[mm] Insulation panel visible length
Rp f_hr3/lambda_p Thermal resistance of the central area of the insulation panel
Up_n 1/(Rsi_n+Rse+Rp) Thermal transmittance of the insulation panel (normal)
Up_p 1/(Rsi_p+Rse+Rp) Thermal transmittance of the insulation panel (protected)
Up (f_hr4*Up_p+(pvl-f_hr4)*Up_n)/pvl Thermal transmittance of the insulation panel
A_uc3 int_uc3(1) Area of the third unventilated cavity
A_uc4 int_uc4(1) Area of the fourth unventilated cavity
A_uc6 int_uc6(1) Area of the sixth unventilated cavity
uc3_h2 h_resized(A_uc3,uc3_h,uc3_w) Equivalent height for the third unventilated cavity
uc4_h2 h_resized(A_uc4,uc4_h,uc4_w) Equivalent height for the fourth unventilated cavity
uc6_h2 h_resized(A_uc6,uc6_h,uc6_w) Equivalent height for the sixth unventilated cavity
R_uc1 1/(ha_2(uc1_h,max_uc1(T2)-min_uc1(T2))+hr(uc1_h,uc1_w,ave_uc1(T2),epsilon,epsilon)) Thermal resistance of the first unventilated cavity
R_uc2 1/(ha_2(uc2_h,max_uc2(T2)-min_uc2(T2))+hr(uc2_h,uc2_w,ave_uc2(T2),epsilon,epsilon)) Thermal resistance of the second unventilated cavity
R_uc3 1/(ha_2(uc3_h2,max_uc3(T2)-min_uc3(T2))+hr(uc3_h,uc3_w,ave_uc3(T2),epsilon,epsilon)) Thermal resistance of the third unventilated cavity
R_uc4 1/(ha_2(uc4_h2,max_uc4(T2)-min_uc4(T2))+hr(uc4_h,uc4_w,ave_uc4(T2),epsilon,epsilon)) Thermal resistance of the fourth unventilated cavity
R_uc5 1/(ha_2(uc5_h,max_uc5(T2)-min_uc5(T2))+hr(uc5_h,uc5_w,ave_uc5(T2),epsilon,epsilon)) Thermal resistance of the fifth unventilated cavity
R_uc6 1/(ha_2(uc6_h2,max_uc6(T2)-min_uc6(T2))+hr(uc6_h,uc6_w,ave_uc6(T2),epsilon,epsilon)) Thermal resistance of the sixth unventilated cavity