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CONTAM

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This group is for users of the CONTAM-related suite of software and is maintained by the National Institute of Standards and Technology (NIST).

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Buddila Wijeyesekera, Dols, William Stuart (Fed)4

Sep 2

Re: Issue when converting an EPW file to WTH file

Buddila, The problem is in the field that provides the minutes for the date/time of each record. The

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Re: Issue when converting an EPW file to WTH file

Buddila, The problem is in the field that provides the minutes for the date/time of each record. The

Sep 2

Amr Auf, Dols, William Stuart (Fed)2

Aug 29

Modelling Heat Recovery in EnergyPlus and Contam

Amr, EnergyPlus can employ multiple types of HRV/ERVs in various locations of the model, eg, at the

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Modelling Heat Recovery in EnergyPlus and Contam

Amr, EnergyPlus can employ multiple types of HRV/ERVs in various locations of the model, eg, at the

Aug 29

Andy Xu, Liangzhu (Leon) Wang2

Aug 20

CFD0 - Wind speed increasing for unknown reason

Hi Andy, I have answered your last question. I think you can talk to my postdoc regarding modeling

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CFD0 - Wind speed increasing for unknown reason

Hi Andy, I have answered your last question. I think you can talk to my postdoc regarding modeling

Aug 20

Buddila Wijeyesekera, Dols, William Stuart (Fed)3

Aug 15

Re: Inputting weather data to a CONTAM model

Hi Stuart. Thank you so much for sharing the resources and the advise. Yes its transient air flow

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Re: Inputting weather data to a CONTAM model

Hi Stuart. Thank you so much for sharing the resources and the advise. Yes its transient air flow

Aug 15

Jul 30

CFD0 input velocity and convention

Hello, In CFD0, I'm wondering what's the difference between the input velocity within the WPP

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CFD0 input velocity and convention

Hello, In CFD0, I'm wondering what's the difference between the input velocity within the WPP

Jul 30

quang nguyen, … Dols, William Stuart (Fed)9

Jul 2

Sample file in instruction guides CONTAM

Yes. Can be verified by modifying the inputs so the multipliers and control values are all set to 1

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Sample file in instruction guides CONTAM

Yes. Can be verified by modifying the inputs so the multipliers and control values are all set to 1

Jul 2

Nicole Alejandra Zambrana Balanza, Anders Bjork2

Jul 1

Assistance with CONTAM Inputs for Infiltration Rate Calculation

Hello Nicole, Are you still needing help with this? I have a couple of ideas. What will the "

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Assistance with CONTAM Inputs for Infiltration Rate Calculation

Hello Nicole, Are you still needing help with this? I have a couple of ideas. What will the "

Jul 1

Andy Xu, Liangzhu (Leon) Wang2

Jun 11

Generating empty LB2 file

Hi Andy, you need to run WPCTranslator in the same folder with all the *var files: the same output

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Generating empty LB2 file

Hi Andy, you need to run WPCTranslator in the same folder with all the *var files: the same output

Jun 11

May 26

In CFD0, how are outlets configured and used?

I'm getting incorrect colours in my flood plots and I suspect it could be because I have no

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In CFD0, how are outlets configured and used?

I'm getting incorrect colours in my flood plots and I suspect it could be because I have no

May 26

Andy Xu, Liangzhu (Leon) Wang5

May 13

How to generate a restart file in CFD0

Please see attached cfd0 file. Thanks.

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How to generate a restart file in CFD0

Please see attached cfd0 file. Thanks.

May 13

Ankit kherade, Dols, William Stuart (Fed)3

May 6

Possibility of Modelling heat pump in Contam software.

CONTAM does not perform heat transfer calculations. In CONTAM, mechanical systems are a means to

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Possibility of Modelling heat pump in Contam software.

CONTAM does not perform heat transfer calculations. In CONTAM, mechanical systems are a means to

May 6

Anders Bjork, Dols, William Stuart (Fed)9

May 6

Matching Results to ASHRAE Smoke Control Ex 19.7 | Tenability in CONTAM

Stuart, Thank you so much for your help with this. I found the attached examples very helpful. I now

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Matching Results to ASHRAE Smoke Control Ex 19.7 | Tenability in CONTAM

Stuart, Thank you so much for your help with this. I found the attached examples very helpful. I now

May 6

Xingji Yu, … William Dols20

Apr 24

Question regarding co-simulation

This issue appears to have nothing to do with co-simulation. One must first understand the basics of

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Question regarding co-simulation

This issue appears to have nothing to do with co-simulation. One must first understand the basics of

Apr 24

Liangzhu (Leon) Wang, Andy Xu2

Mar 18

Re: [contam] WPC Translator Error - "Couldn't find the ewc file specified in pld file"

Hi Leon. Just for clarification, are you recommending the x-region of 70m needs to be doubled to 140m

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Re: [contam] WPC Translator Error - "Couldn't find the ewc file specified in pld file"

Hi Leon. Just for clarification, are you recommending the x-region of 70m needs to be doubled to 140m

Mar 18

Rodrigo Mora, Dols, William Stuart (Fed)2

Mar 17

CONTAM-TRNSYS coupling: radon simulation HRV and passive stack zero airflows in TRNSYS

Rodrigo, It seems the coupling is working fine. This is easily verified by replacing the signal from

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CONTAM-TRNSYS coupling: radon simulation HRV and passive stack zero airflows in TRNSYS

Rodrigo, It seems the coupling is working fine. This is easily verified by replacing the signal from

Mar 17

Andy Xu, Liangzhu (Leon) Wang3

Mar 11

CONTAM-CFD0 WPC Translator Error - "Path 'X' Is Not On A Building Surface"

Resolved. Thank you! On Monday, March 10, 2025 at 12:06:37 PM UTC-4 Liangzhu (Leon) Wang wrote: Hi

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CONTAM-CFD0 WPC Translator Error - "Path 'X' Is Not On A Building Surface"

Resolved. Thank you! On Monday, March 10, 2025 at 12:06:37 PM UTC-4 Liangzhu (Leon) Wang wrote: Hi

Mar 11

Andy Xu, William Dols2

Mar 6

L-shaped buildings in CFD0

This issue was addressed offline by Dr. Leon Wang. In summary, the simulation runs successfully.

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L-shaped buildings in CFD0

This issue was addressed offline by Dr. Leon Wang. In summary, the simulation runs successfully.

Mar 6

Muhammad Kashif, Dols, William Stuart (Fed)2

Feb 25

Assistance with CONTAM Integration into TRNSYS

Kashif, The recommended workflow is provided in the CONTAM User Guide in the Working with TRNSYS

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Assistance with CONTAM Integration into TRNSYS

Kashif, The recommended workflow is provided in the CONTAM User Guide in the Working with TRNSYS

Feb 25

Rodrigo Mora, Dols, William Stuart (Fed)3

Feb 21

CONTAM-SKETCHUP-TRNSYS

Ok, thanks for the reply! Best, -Rodrigo On Fri, Feb 21, 2025 at 7:42 AM Dols, William Stuart (Fed)

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CONTAM-SKETCHUP-TRNSYS

Ok, thanks for the reply! Best, -Rodrigo On Fri, Feb 21, 2025 at 7:42 AM Dols, William Stuart (Fed)

Feb 21

Rodrigo Mora, Dols, William Stuart (Fed)4

Feb 12

Unexplained behaviors of duct airflows in transient simulations with WTH file

Rodrigo, Ducts are simply flow paths that can provide connectivity between non-adjacent zones. Even

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Unexplained behaviors of duct airflows in transient simulations with WTH file

Rodrigo, Ducts are simply flow paths that can provide connectivity between non-adjacent zones. Even

Feb 12

이수환, Dols, William Stuart (Fed)4

Feb 10

Controlling Contaminant Reduction (Sarin) in a Zone Using ContamXPy: Two Approaches

I can't really spend time debugging your python code. Add report controls to your CONTAM PRJ so

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Controlling Contaminant Reduction (Sarin) in a Zone Using ContamXPy: Two Approaches

I can't really spend time debugging your python code. Add report controls to your CONTAM PRJ so

Feb 10

Rodrigo Mora, William Dols5

Feb 2

Duct systems HRV-FCU in CONTAM-TRNSYS

Hello, I found the problem. I was running steady-state airflow simulations, and therefore the fan was

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Duct systems HRV-FCU in CONTAM-TRNSYS

Hello, I found the problem. I was running steady-state airflow simulations, and therefore the fan was

Feb 2

xiaoy...@gmail.com, Dols, William Stuart (Fed)2

Jan 16

How to get steady-state concentration from .sim file

Yao, I'm not sure what you mean by “converting .sim file into text,” and I don't seem to

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How to get steady-state concentration from .sim file

Yao, I'm not sure what you mean by “converting .sim file into text,” and I don't seem to

Jan 16

David Rodríguez Villalobos2

Jan 14

MODELING AXIAL FAN (JET FAN) IN CFD0

Sorry, I forgot to add a screenshot, here it is: El martes, 14 de enero de 2025 a las 15:53:17 UTC-6,

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MODELING AXIAL FAN (JET FAN) IN CFD0

Sorry, I forgot to add a screenshot, here it is: El martes, 14 de enero de 2025 a las 15:53:17 UTC-6,

Jan 14

Mozhan Aghili, William Dols2

Jan 13

Issue with Pollutant Concentration Spike in Kitchen Zone for Specific Time Period

Well, I guess "constant pattern" is in the eye of the beholder. Of course it's

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Issue with Pollutant Concentration Spike in Kitchen Zone for Specific Time Period

Well, I guess "constant pattern" is in the eye of the beholder. Of course it's

Jan 13

Mozhan Aghili, Dols, William Stuart (Fed)3

Jan 3

Inquiry About WTH convert tool

Thank you for your detailed explanation On Friday, January 3, 2025 at 6:53:04 PM UTC+3:30 Dols,

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Inquiry About WTH convert tool

Thank you for your detailed explanation On Friday, January 3, 2025 at 6:53:04 PM UTC+3:30 Dols,

Jan 3

Mozhan Aghili, Stuart Dols2

12/29/24

Problem while simulation using WTH files

Please refer to the example weather file provided with the Introduction to CONTAM tutorial. Tutorials

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Problem while simulation using WTH files

Please refer to the example weather file provided with the Introduction to CONTAM tutorial. Tutorials

12/29/24

Jaeseung Yeom, David Lorenzetti3

12/26/24

CONTAM source code

This is very good to know. I will take a look at it. Thanks Jae-Seung On Thursday, December 26, 2024

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CONTAM source code

This is very good to know. I will take a look at it. Thanks Jae-Seung On Thursday, December 26, 2024

12/26/24

Sávio Almonfrey, … Anders Bjork14

12/19/24

Location to check the pressure difference in a pressurized stair (value of 50 Pa)

Stuart, Thanks for your help on this. I tried your method with your file, and it works great. when I

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Location to check the pressure difference in a pressurized stair (value of 50 Pa)

Stuart, Thanks for your help on this. I tried your method with your file, and it works great. when I

12/19/24

이수환, William Dols2

12/18/24

Filter Integration Issue in ContamXPy for Sarin Reduction Simulation

Your module does not run as provided due to modifications you have made to cxResults.py. I'm not

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Filter Integration Issue in ContamXPy for Sarin Reduction Simulation

Your module does not run as provided due to modifications you have made to cxResults.py. I'm not

12/18/24

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