Question-and-Answer Resource for the Building Energy Modeling Community
 | 1 | initial version |
EnergyPlus only supports diffusing windows in a binary way, at least from the perspective of EnergyPlus' standard materials; they are either 100% specular transmitting (i.e. clear glass) or 100% diffusing. To this extent, these are supported in OpenStudio, both on the Radiance side as well as the EnergyPlus side. You need to make a material that has the "Solar Diffusing" property set to "yes". The Radiance translator will make a "trans" material for those windows, at 100% diffuse transmittance.
Unfortunately we don't directly support materials that exhibit a mix of specular and diffuse transmittance in OpenStudio at this time.
| | 2 | No.2 Revision |
EnergyPlus only supports diffusing windows in a binary way, at least from the perspective of EnergyPlus' standard materials; they are either 100% specular transmitting (i.e. clear glass) or 100% diffusing. To this extent, these are supported in OpenStudio, both on the Radiance side as well as the EnergyPlus side. You need to make a material that has the "Solar Diffusing" property set to "yes". The Radiance translator will make a "trans" "trans" material for those windows, at 100% diffuse transmittance.
Unfortunately we don't directly support materials that exhibit a mix of specular and diffuse transmittance in OpenStudio at this time.
| | 3 | No.3 Revision |
EnergyPlus only supports diffusing windows in a binary way, at least from the perspective of EnergyPlus' standard materials; they are either 100% specular transmitting (i.e. clear glass) or 100% diffusing. To this extent, these are supported in OpenStudio, both on the Radiance side as well as the EnergyPlus side. You need to make a material that has the "Solar Diffusing" property set to "yes". The Radiance translator will make a "trans" material for those windows, at 100% diffuse transmittance. transmittance (of the transmitted component).
Unfortunately we don't directly support materials that exhibit a mix of specular and diffuse transmittance in OpenStudio at this time.
