| gtSHGC |
number |
input time |
rated SHGC of assembly |
| gtSMSO |
number |
Start of monthly-hourly |
optional solar heat gain coef multiplier, shades open, used if not spec'd in window, dflt 1.0. |
| gtSMSC |
number |
Start of monthly-hourly |
ditto shades closed, defaults at window level. |
| gtFMult |
FLOAT_GEZ |
input time |
optional frame/mullion multiplier for use when not spec'd in window. constant. |
| gtPySHGC |
|
|
- beam SHGC incidence angle multiplier: 4th-order polynomial in cosine of angle.
- 4 inputtable coefficients (no constant). .val1(x) returns value.
|
PY4
| Name |
Type |
Variability |
Description/Comments |
| gtPySHGC.k[index] |
number Array [6] |
Start of phase |
FLOAT k[6]. One extra member needed as terminator by cul.cpp array input logic. |
|
| gtDMSHGC |
number |
input time |
diffuse SHGC multiplier used (in place of polynomial). RQD. constant. |
| gtDMRBSol |
number |
input time |
reflectance for diffuse solar on inside of glass, for Cavity Absorptance calc'ns (cgsolar.cpp). |
| gtU |
UH_GZ |
input time |
optional u-value for use when not spec'd in window. contant. |
| gtUNFRC |
UH_GZ |
input time |
overall U-factor evaluated under per NFRC heating conditions |
| gtNGlz |
number |
input time |
# of glazings bare-glass assembly |
| gtFenModel |
choice:FENMODEL |
input time |
- fenestration model: user input
- SHGC or ASHWAT (added 11-8-2010)
|
| gtExShd |
choice:EXSHD |
input time |
exterior shade (ASHWAT only) |
| gtInShd |
choice:INSHD |
input time |
interior shade (ditto) |
| gtDirtLoss |
FLOAT_GEZ |
input time |
dirt loss fraction (all solar gain reduced by this factor |