IES-VE User Forum

Hi,
I am trying to follow the IES Earth Tube Modelling pdf guide but just wish to clarify a few things.
I have managed to draw a tube a minus level but after some help with the following:
1. What has been used to create the openings on the top (ceiling) surface at each end?
2. Is the top (ceiling ...

I wish to determine the effect of increasing the exposed thermal mass such as a ribbed concrete ceiling soffit.

I believe one method to model this is to create a partition wall with a hole leaving a downstand at the top. As I understand components are not taken into account in the dynamic model ...

What is the difference between a sub space and separate zone?

To include a partition wall the check button options given are,
1 Generate sub space within selected zone
2 Generate new separated zone
3 Divide with partition
4 Divide without partition

I divided a 10x10X4 room with options 1+3 and 2 ...