Question-and-Answer Resource for the Building Energy Modeling Community
Get started with the Help page
Ask Your Question

Revision history [back]

click to hide/show revision 1
initial version

How to Model Asymmetric Wall

In OpenStudio, if I wanted to model a surface separating two spaces that has an asymmetric construction of the following type:

  1. 1/2" Sheet Rock/Gyspum
  2. 4" Stud Wall with insulation
  3. 8" Light Concrete Block Wall

Is there only one way to model this in EnergyPlus? Would I have to create one construction type and assign it to one surface and leave the matching surface blank in OpenStudio? Or could I make two construction types, for example:

Construction Type 1(reversed so stud wall is exterior and sheet rock is interior): 1. 4" Stud Wall with insulation 2. 1/2" Sheet Rock/Gyspum

Construction Type 2: 1. 8" Light Concrete Block Wall

And assign Construction Type 1 to one surface and the other Construction Type to the other? Would this result in a valid simulation? This situation is very common/default in the buildings I work with.

I see value with both approaches, but I would like to make sure they are both valid.

How to Model Asymmetric Wall

In OpenStudio, if I wanted to model a surface separating two spaces that has an asymmetric construction of the following type:

  1. 1/2" Sheet Rock/Gyspum
  2. 4" Stud Wall with insulation
  3. 8" Light Concrete Block Wall

Is there only one way to model this in EnergyPlus? Would I have to create one construction type and assign it to one surface and leave the matching surface blank in OpenStudio? Or could I make two construction types, for example:

Construction Type 1(reversed so stud wall is exterior and sheet rock is interior): 1. 4" Stud Wall with insulation 2. 1/2" Sheet Rock/Gyspum

Construction Type 2: 1. 8" Light Concrete Block Wall

And assign Construction Type 1 to one surface and the other Construction Type to the other? Would this result in a valid simulation? This situation is very common/default in the buildings I work with.

I see value with both approaches, but I would like to make sure they are both valid.