f_htot 83[mm] Total height of the frame
f_hl1 66[mm] Height of the first left part of the frame
f_hl2 17[mm] Height of the second left part of the frame
f_hr1 11[mm] Height of the first right part of the frame
f_hr2 19[mm] Height of the second right part of the frame
f_hr3 28[mm] Height of the third right part of the frame (insulation panel thickness)
f_hr4 25[mm] Height of the fourth right part of the frame
f_wtot 110[mm] Total width of the frame
f_wb1 68[mm] Width of the first bottom part of the frame
f_wb2 42[mm] Width of the second bottom part of the frame
f_wt1 28[mm] Width of the first top part of the frame
f_wt2 82[mm] Width of the second top part of the frame
uc1_h 60[mm] Height of the first unventilated cavity
uc1_w 8[mm] Width of the first unventilated cavity
uc2_h 11[mm] Height of the second unventilated cavity
uc2_w 22[mm] Width of the second unventilated cavity
uc3_h 39[mm] Height of the third unventilated cavity
uc3_w 22[mm] Width of the third unventilated cavity
uc4_h 8[mm] Height of the fourth unventilated cavity
uc4_w 15[mm] Width of the fourth unventilated cavity
uc5_h 20[mm] Height of the fifth unventilated cavity
uc5_w 26[mm] Width of the fifth unventilated cavity
uc6_h 39[mm] Height of the sixth unventilated cavity
uc6_w 26[mm] Width of the sixth unventilated cavity
uc7_h 53[mm] Height of the seventh unventilated cavity
uc7_w 34[mm] Width of the seventh unventilated cavity
uc8_h 10[mm] Height of the eighth unventilated cavity
uc8_w 17[mm] Width of the eighth unventilated cavity
uc9_h 14[mm] Height of the ninth unventilated cavity
uc9_w 22[mm] Width of the ninth unventilated cavity
uc10_h 36[mm] Height of the tenth unventilated cavity
uc10_w 10[mm] Width of the tenth unventilated cavity
uc11_h 10[mm] Height of the eleventh unventilated cavity
uc11_w 22[mm] Width of the eleventh unventilated cavity
uc12_h 4[mm] Height of the twelfth unventilated cavity
uc12_w 54[mm] Width of the twelfth unventilated cavity
epdm_t1 3[mm] First epdm thickness
epdm_t2 5[mm] Second epdm thickness
epdm_w1 8[mm] First width of epdm
epdm_w2 10[mm] Second width of epdm
s_t 2[mm] Steel thickness
sp1 1[mm] Space between PVC and steel
sp2 6[mm] Useful space
sp3 16[mm] Useful space
pvc_t1 2[mm] First pvc thickness
pvc_t2 3[mm] Second pvc thickness
pvc_w 4[mm] PVC wedge length
pp 15[mm] Panel penetration
pvl 190[mm] Panel visible length
Rp f_hr3/lambda_p Thermal resistance of the central area of the panel
Up_n 1/(Rp+Rse+Rsi_n) Thermal transmittance of the insulation panel (normal)
Up_p 1/(Rp+Rse+Rsi_p) Thermal transmittance of the insulation panel (protected)
Up (Up_p*f_hr4+Up_n*(pvl-f_hr4))/pvl Thermal transmittance of the panel
A_uc3 int_uc3(1) Area of the third unventilated cavity
A_uc5 int_uc5(1) Area of the fifth unventilated cavity
A_uc6 int_uc6(1) Area of the sixth unventilated cavity
A_uc7 int_uc7(1) Area of the seventh unventilated cavity
uc3_h2 h_resized(A_uc3,uc3_h,uc3_w) Equivalent height of the third unventilated cavity
uc5_h2 h_resized(A_uc5,uc5_h,uc5_w) Equivalent height of the fifth unventilated cavity
uc6_h2 h_resized(A_uc6,uc6_h,uc6_w) Equivalent height of the sixth unventilated cavity
uc7_h2 h_resized(A_uc7,uc7_h,uc7_w) Equivalent height of the seventh unventilated cavity
R_uc1 1/(ha_2(uc1_h,max_uc1(T3)-min_uc1(T3))+hr(uc1_h,uc1_w,ave_uc1(T3),epsilon,epsilon)) Thermal resistance of the first unventilated cavity
R_uc2 1/(ha_2(uc2_h,max_uc2(T3)-min_uc2(T3))+hr(uc2_h,uc2_w,ave_uc2(T3),epsilon,epsilon)) Thermal resistance of the second unventilated cavity
R_uc3 1/(ha_2(uc3_h2,max_uc3(T3)-min_uc3(T3))+hr(uc3_h,uc3_w,ave_uc3(T3),epsilon,epsilon)) Thermal resistance of the third unventilated cavity
R_uc4 1/(ha_2(uc4_h,max_uc4(T3)-min_uc4(T3))+hr(uc4_h,uc4_w,ave_uc4(T3),epsilon,epsilon)) Thermal resistance of the fourth unventilated cavity
R_uc5 1/(ha_2(uc5_h2,max_uc5(T3)-min_uc5(T3))+hr(uc5_h,uc5_w,ave_uc5(T3),epsilon,epsilon)) Thermal resistance of the fifth unventilated cavity
R_uc6 1/(ha_2(uc6_h2,max_uc6(T3)-min_uc6(T3))+hr(uc6_h,uc6_w,ave_uc6(T3),epsilon,epsilon)) Thermal resistance of the sixth unventilated cavity
R_uc7 1/(ha_2(uc7_h2,max_uc7(T3)-min_uc7(T3))+hr(uc7_h,uc7_w,ave_uc7(T3),epsilon,epsilon)) Thermal resistance of the seventh unventilated cavity
R_uc8 1/(ha_2(uc8_h,max_uc8(T3)-min_uc8(T3))+hr(uc8_h,uc8_w,ave_uc8(T3),epsilon,epsilon)) Thermal resistance of the eighth unventilated cavity
R_uc9 1/(ha_2(uc9_h,max_uc9(T3)-min_uc9(T3))+hr(uc9_h,uc9_w,ave_uc9(T3),epsilon,epsilon)) Thermal resistance of the ninth unventilated cavity
R_uc10 1/(ha_2(uc10_h,max_uc10(T3)-min_uc10(T3))+hr(uc10_h,uc10_w,ave_uc10(T3),epsilon,epsilon)) Thermal resistance of the tenth unventilated cavity
R_uc11 1/(ha_2(uc11_h,max_uc11(T3)-min_uc11(T3))+hr(uc11_h,uc11_w,ave_uc11(T3),epsilon,epsilon)) Thermal resistance of the eleventh unventilated cavity
R_uc12 1/(ha_2(uc12_h,max_uc12(T3)-min_uc12(T3))+hr(uc12_h,uc12_w,ave_uc12(T3),epsilon,epsilon)) Thermal resistance of the twelfth unventilated cavity