Couple CONTAM using MATLAB

[xiaoy...@gmail.com]

Hi everyone,

I am using MATLAB to couple CONTAM results. 

I was trying to use MATLAB code to control simulation results, including airflow rates, pressure differences for each path, and contaminant concentration levels in each zone. I found out they can be systematically obtained from exported results in CONTAM. 

However, can those results be obtained without opening CONTAM using MATLAB coding? Because I have hundreds of simulations to run and that is going to save so much time. 

Many thanks for your help.

Yao

[William Dols]

Yao,

There are multiple methods that can be used to obtain simulation results:

1. Use simread
    - simread.exe is located alongside ContamW, e.g., C:\Program Files (x86)\NIST\CONTAM 3.4.0.4\
    - see previous post for more info: https://groups.google.com/a/list.nist.gov/g/contam/c/K9JprJJfGiQ/m/xHmtkrffAwAJ?hl=en

2. Use report controls : See Working with Controls in the CONTAM User Guide

3. You can also have CONTAM generate a sqlite file.

- Stuart

[xiaoy...@gmail.com]

Thank you, William,

Now I can get results using Simread. 

I have another question about CONTAM. Is there any way to modify an air flow path (eg. change one fan to another) in CONTAM without opening it? Many thanks.

Regards

Yao

[Stuart Dols]

The CONTAM PRJ file generated by ContamW is a text file the contents of which are documented in an Appendix of the User Guide. One can modify the PRJ using a text editor but with caution. Make sure you work with a copy in the event that something goes wrong. There is also a tool to help you generate parametric sets of PRJs available on the NIST Multizone Modeling website here: https://www.nist.gov/el/energy-and-environment-division-73200/nist-multizone-modeling/contam-parametric-analysis.

You can reverse engineer modifications of a PRJ file by making the desired changes in ContamW and comparing the changed file with the original using a diff tool like WinMerge.

- Stuart

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