# SMR model request

**URL:** <https://openmc.discourse.group/t/smr-model-request/2230>\
**Category:** User Support\
**Created:** [August 18, 2022, 10:01am UTC](https://openmc.discourse.group/t/smr-model-request/2230 "2022-08-18T10:01:14Z")\
**Posts on this page:** 11\
**Page:** 1

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**Author:** ![lorenzoloi](https://avatars.discourse-cdn.com/v4/letter/l/43a26b/32.png) [@lorenzoloi](https://openmc.discourse.group/u/lorenzoloi)\
**Post date:** [August 18, 2022, 10:01am UTC](https://openmc.discourse.group/t/smr-model-request/2230/1 "2022-08-18T10:01:15Z")

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Hello everyone,  
I would like to adopt OpenMC to run some neutronic calculations on a Small Modular Reactor (SMR) model.  
At this page [Example Jupyter Notebooks · openmc-dev/openmc Wiki · GitHub](https://github.com/openmc-dev/openmc/wiki/Example-Jupyter-Notebooks) I found some existing models of other reactors’ designs (PWR, TRIGA …).  
Is there something similar also for the SMR?

Thank you!  
Lorenzo

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**Author:** ![bentridisalah](https://yyz2.discourse-cdn.com/free1/user_avatar/openmc.discourse.group/bentridisalah/32/1421_2.png) [@bentridisalah](https://openmc.discourse.group/u/bentridisalah)\
**Post date:** [August 23, 2022, 6:29am UTC](https://openmc.discourse.group/t/smr-model-request/2230/2 "2022-08-23T06:29:36Z")

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Hi @lorenzoloi ;

If you are interested, I have a basic Nuscale SMR model with some tallies and plotting outputs. I supervised a Master project to study such reactor with OpenMC, it could be something to start with.

best regards

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**Author:** ![lorenzoloi](https://avatars.discourse-cdn.com/v4/letter/l/43a26b/32.png) [@lorenzoloi](https://openmc.discourse.group/u/lorenzoloi)\
**Post date:** [August 23, 2022, 12:29pm UTC](https://openmc.discourse.group/t/smr-model-request/2230/3 "2022-08-23T12:29:51Z")

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Hello @bentridisalah,

Thank you for the reply, I would be interested in the model.  
Can i contact you through email?

Thank you very much  
Lorenzo

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**Author:** ![paulromano](https://yyz2.discourse-cdn.com/free1/user_avatar/openmc.discourse.group/paulromano/32/486_2.png) [@paulromano](https://openmc.discourse.group/u/paulromano)\
**Post date:** [August 23, 2022, 1:57pm UTC](https://openmc.discourse.group/t/smr-model-request/2230/4 "2022-08-23T13:57:49Z")

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Hi @lorenzoloi. Take a look at this repository, which has a model of an SMR roughly based on the NuScale reactor:

> **[GitHub - mit-crpg/ecp-benchmarks: Models for the ECP ExaSMR project](https://github.com/mit-crpg/ecp-benchmarks)**
>
> Models for the ECP ExaSMR project. Contribute to mit-crpg/ecp-benchmarks development by creating an account on GitHub.

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**Author:** ![bentridisalah](https://yyz2.discourse-cdn.com/free1/user_avatar/openmc.discourse.group/bentridisalah/32/1421_2.png) [@bentridisalah](https://openmc.discourse.group/u/bentridisalah)\
**Post date:** [August 26, 2022, 10:48am UTC](https://openmc.discourse.group/t/smr-model-request/2230/5 "2022-08-26T10:48:31Z")

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Hi @lorenzoloi;

Sorry to answer so late about your request, because I was out for few days.

Here my email: [bentridisalah@gmail.com](mailto:bentridisalah@gmail.com) and I will share with you two notebook files about a basic model of NuScale SMR (Tallies and depletion). Besides that, you can also check the repository mentionned by @paulromano (thank you Paul by the way for this sharing) it is more rich and complete

have a nice day

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**Author:** ![mariemm](https://avatars.discourse-cdn.com/v4/letter/m/7cd45c/32.png) [@mariemm](https://openmc.discourse.group/u/mariemm)\
**Post date:** [April 28, 2024, 8:58pm UTC](https://openmc.discourse.group/t/smr-model-request/2230/6 "2024-04-28T20:58:11Z")

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hi @bentridisalah can you please share with me this example

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**Author:** ![bentridisalah](https://yyz2.discourse-cdn.com/free1/user_avatar/openmc.discourse.group/bentridisalah/32/1421_2.png) [@bentridisalah](https://openmc.discourse.group/u/bentridisalah)\
**Post date:** [April 29, 2024, 7:26am UTC](https://openmc.discourse.group/t/smr-model-request/2230/8 "2024-04-29T07:26:44Z")

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Hi @mariemm

Please find here two notebooks about the NuScale SMR model (small one).

Best regards  
[Generic\_NuScale\_Model\_Plotting.ipynb](https://openmc.discourse.group/uploads/short-url/nds3ZkZu9cJJw0xdJJTf0qITA1r.ipynb) (111.4 KB)

[Generic\_NuScale\_Model\_Tallies.ipynb](https://openmc.discourse.group/uploads/short-url/tTkaodki27tfsN5cd0kWkcg5VhO.ipynb) (567.6 KB)

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**Author:** ![mariemm](https://avatars.discourse-cdn.com/v4/letter/m/7cd45c/32.png) [@mariemm](https://openmc.discourse.group/u/mariemm)\
**Post date:** [May 4, 2024, 9:32am UTC](https://openmc.discourse.group/t/smr-model-request/2230/9 "2024-05-04T09:32:22Z")

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hi @paulromano, can I extract from this example the input for one pin-cell or control rod or anything I want alone ??

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**Author:** ![mariemm](https://avatars.discourse-cdn.com/v4/letter/m/7cd45c/32.png) [@mariemm](https://openmc.discourse.group/u/mariemm)\
**Post date:** [May 4, 2024, 1:43pm UTC](https://openmc.discourse.group/t/smr-model-request/2230/10 "2024-05-04T13:43:55Z")

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hi can you give me the name of the Nuscale model used in this code please

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**Author:** ![bentridisalah](https://yyz2.discourse-cdn.com/free1/user_avatar/openmc.discourse.group/bentridisalah/32/1421_2.png) [@bentridisalah](https://openmc.discourse.group/u/bentridisalah)\
**Post date:** [May 4, 2024, 4:43pm UTC](https://openmc.discourse.group/t/smr-model-request/2230/11 "2024-05-04T16:43:20Z")

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Hello;

Well it is just a NuScale model (small one) taken from the report attached here.

Best regard

[NuScale\_Report2003.pdf](https://openmc.discourse.group/uploads/short-url/afilxIZPJcqGFisY8STCwa9ldXC.pdf) (3.8 MB)

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**Author:** ![Ghotme](https://avatars.discourse-cdn.com/v4/letter/g/65b543/32.png) [@Ghotme](https://openmc.discourse.group/u/Ghotme)\
**Post date:** [July 28, 2025, 9:06pm UTC](https://openmc.discourse.group/t/smr-model-request/2230/12 "2025-07-28T21:06:48Z")

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Hi @paulromano, is this the most recent benchmark for NuScale?

Thanks in advance!
