THERM 7.7 software crash. Reading Geometry

Kevin Laugo

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Jul 6, 2020, 7:03:21 AM7/6/20

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I am using THERM version 7.7 and WINDOW 7.7 as well to simulate a facade assembly to compute the overall U-value and SHGC. When I am simulating a mullion section and applied the boundary condition, and press calculate, the software crashes. The last thing I saw on the lower left corner (after I press the calculate button) is "Reading Geometry". What would be the possible problem to this simulation? Is it the complex geometry of the model? Is it the software? Is it my computer specification/hardware? I appreciate the help.

Thank you.

P.S. I also attached the file for reference.

MVsc 2.THM

Robin Mitchell

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Jul 6, 2020, 3:02:06 PM7/6/20

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Kevin

I will take a look at your file.

Robin

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Robin Mitchell

Building Technology and Urban Systems Division
Energy Technologies Area
Lawrence Berkeley National Laboratory

Robin Mitchell

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Jul 6, 2020, 3:07:14 PM7/6/20

to Kevin Laugo, THERM

What version of THERM 7.7 are you using? You can go to the Help/About screen to see the exact version, ie, 7.7.10, etc.

Robin

On Mon, Jul 6, 2020 at 4:03 AM 'Kevin Laugo' via THERM <LBNL-...@googlegroups.com> wrote:

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Robin Mitchell

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Jul 6, 2020, 3:10:30 PM7/6/20

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Kevin

It appears that the "cold" side of the model is on the right, and the "warm" side of the model is on the left. Am I interpreting the file correctly?

Robin

Kevin Laugo

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Jul 6, 2020, 10:14:40 PM7/6/20

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Hi Robin,

The exact version of THERM I use is at below

Thanks

On Tuesday, July 7, 2020 at 3:07:14 AM UTC+8, Robin Mitchell wrote:

What version of THERM 7.7 are you using? You can go to the Help/About screen to see the exact version, ie, 7.7.10, etc.

Robin

On Mon, Jul 6, 2020 at 4:03 AM 'Kevin Laugo' via THERM <LBNL-...@googlegroups.com> wrote:

I am using THERM version 7.7 and WINDOW 7.7 as well to simulate a facade assembly to compute the overall U-value and SHGC. When I am simulating a mullion section and applied the boundary condition, and press calculate, the software crashes. The last thing I saw on the lower left corner (after I press the calculate button) is "Reading Geometry". What would be the possible problem to this simulation? Is it the complex geometry of the model? Is it the software? Is it my computer specification/hardware? I appreciate the help.
Thank you.

P.S. I also attached the file for reference.

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Kevin Laugo

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Jul 6, 2020, 10:17:07 PM7/6/20

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Robin

Yes sir you are correct, the "cold" side (interior face) of the model is on the right, and the "warm" side (exterior face) is on the left.

This is because I am simulating a summer condition.

Thanks,

Kevin

Robin Mitchell

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Jul 8, 2020, 1:48:38 PM7/8/20

to Kevin Laugo, THERM

Kevin

I have spent some time on your model and have not been able to get it to simulate. I should have some time later in the week to work on it some more. It has a lot of detail and is very "tall", which the THERM mesher can have trouble with.

Robin

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Kevin Laugo

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Jul 8, 2020, 9:59:38 PM7/8/20

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Hi Robin,

Thank you for taking the time to check the model.

Alternatively, since the section is symmetric, I simulated the model in half and found no errors/software crashes.

I also found out that the gravity arrow is not consistent with the imported glazing system.

For now, I think this would be enough for my calculation.

Again, I really appreciate the support.

Kevin

On Thursday, July 9, 2020 at 1:48:38 AM UTC+8, Robin Mitchell wrote:

Kevin

I have spent some time on your model and have not been able to get it to simulate. I should have some time later in the week to work on it some more. It has a lot of detail and is very "tall", which the THERM mesher can have trouble with.

Robin

On Mon, Jul 6, 2020 at 7:17 PM 'Kevin Laugo' via THERM <LBNL-...@googlegroups.com> wrote:

Robin

Yes sir you are correct, the "cold" side (interior face) of the model is on the right, and the "warm" side (exterior face) is on the left.
This is because I am simulating a summer condition.
Thanks,

Kevin

On Tuesday, July 7, 2020 at 3:10:30 AM UTC+8, Robin Mitchell wrote:
Kevin

It appears that the "cold" side of the model is on the right, and the "warm" side of the model is on the left. Am I interpreting the file correctly?

Robin

On Monday, July 6, 2020 at 4:03:21 AM UTC-7, Kevin Laugo wrote:
I am using THERM version 7.7 and WINDOW 7.7 as well to simulate a facade assembly to compute the overall U-value and SHGC. When I am simulating a mullion section and applied the boundary condition, and press calculate, the software crashes. The last thing I saw on the lower left corner (after I press the calculate button) is "Reading Geometry". What would be the possible problem to this simulation? Is it the complex geometry of the model? Is it the software? Is it my computer specification/hardware? I appreciate the help.
Thank you.

P.S. I also attached the file for reference.

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Robin Mitchell

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Jul 9, 2020, 1:31:33 PM7/9/20

to Kevin Laugo, THERM

Yes I was going to suggest cutting it in half because it was symmetrical. Glad that you were able to get it to run.

I do like collecting problem files, however, because then our programmers have actual models that cause problems for the program, so I plan to use your original file as a test case for future bug fixes with the mesher, etc.

Robin

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