Recent Posts

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51
AI use in Regional Simulation (BRAILS) / Error in changing the number of #Images and seed
« Last post by M.R on January 17, 2024, 01:53:09 PM »
Hello, I have a problem with running the Brails.
when I want to run the Brails for more than 10 buildings this error is shown.
 (There was an error in the python process python module, the exit code is 1 ),  #Images and seed should remain just equal to 10. The code is attached in a txt file. The Version of R2D is 3.1.2
Thank you
52
Regional Hazard Simulation (R2D, rWhale) / Uncertainty in earthquake scenario simulation
« Last post by jvishnu on January 16, 2024, 08:40:44 PM »
How is uncertainty considered in earthquake scenario simulation in R2D?
53
Regional Hazard Simulation (R2D, rWhale) / Re: Incomplete building information
« Last post by jvishnu on January 16, 2024, 07:52:48 PM »
Thank you very much for your reply. It is very helpful. What is the minimum building information needed to use R2D?
54
Regional Hazard Simulation (R2D, rWhale) / Re: Incomplete building information
« Last post by jyzhao on January 16, 2024, 06:40:51 PM »
Yes, it is possible to select MOD as None and use user-provided fragility.

However, the "IMasEDP" option, instead of "None", should be selected in ANA. Otherwise, R2D will not link the intensity measures to the provided fragility curves.

Regards,

Jinyan
55
Regional Hazard Simulation (R2D, rWhale) / Re: Earthquake rupture forecast
« Last post by jyzhao on January 16, 2024, 06:36:29 PM »
Hello,

This is the maximum distance from the site "centroid" to the source.

Please note the site "centroid" is roughly estimated by taking the average value of the latitude and longitude values of all sites. It is not the geometry centroid of the sites.

Hope this helps.

Jinyan
56
Regional Hazard Simulation (R2D, rWhale) / Re: R2D extent of the region
« Last post by jyzhao on January 16, 2024, 06:34:28 PM »
Hello,

This depends on the complexity of the analysis/assessment you would like to perform. If you plan to perform a Hazus-style assessment, where a structural analysis model is not needed, and damage and loss are obtained directly from fragility curves, you should be able to assess a state using a very powerful personal computer or DesignSafe's High-performance Computer (HPC) provided through R2D. The biggest challenge here might be preparing and managing big inventory data and hazard information data for such a region. This requires very large memory and storage space.

If you plan to perform structural analysis models in your assessment, you might need more powerful computers. You might be able to require more computational resources from DesignSafe if you are eligible for DesignSafe's criteria. If you have your own HPC resources, you could also contact us, and we could help set up R2D's backend applications on your HPC. Please let us know more specifics of your plan so we can better assist you.

Regards,

Jinyan
57
Regional Hazard Simulation (R2D, rWhale) / Incomplete building information
« Last post by jvishnu on January 16, 2024, 06:32:13 AM »
What if there is no complete information about buildings but we only have fragility curves can we still use the R2D to get damage and loss results?
can we choose MOD and ANA as none and DL as user-provided fragility?
58
Regional Hazard Simulation (R2D, rWhale) / Earthquake rupture forecast
« Last post by jvishnu on January 16, 2024, 04:17:39 AM »
In HAZ, Earthquake scenario, Earthquake rupture forecast, what is the maximum distance?
Is it the maximum distance from the site centroid to the source or site boundary to the source?
59
Regional Hazard Simulation (R2D, rWhale) / R2D extent of the region
« Last post by jvishnu on January 15, 2024, 09:43:18 PM »
 What is the extent of the region that can be analyzed/assessed in the R2D tool? Can we perform regional seismic damage and loss assessment of a state or a country?
60
Uncertainty Quantification (quoFEM) / Re: Running python analysis
« Last post by forevercent on January 15, 2024, 04:59:33 AM »
Hi,
I appreciate your prompt reply.

Best regards.

 :)
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