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Cyclus Users

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Welcome to the Cyclus-Users list. Most of the developers and users of Cyclus will have most conversations about building, installing, and running Cyclus on this list. Requests and discussions about features and community building will also take place on this list.

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Ezé van Tonder

Apr 11

Installing Cyclus

Good day, I am doing a project on fuel cycle models. I want to compare different fuel cycles. I am a

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Installing Cyclus

Good day, I am doing a project on fuel cycle models. I want to compare different fuel cycles. I am a

Apr 11

Geoffrey Edwards

Feb 12

Installing Cyclus in 2025

I'd like to get cyclus up and running on my (freshly formatted) laptop. I installed ubuntu 24.10,

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Installing Cyclus in 2025

I'd like to get cyclus up and running on my (freshly formatted) laptop. I installed ubuntu 24.10,

Feb 12

Amanda Bachmann

5/23/24

Cyclus v1.6 is now live

Hi all, We are happy to announce that v1.6 of Cyclus, Cycamore, and Cymetric are now available!

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Cyclus v1.6 is now live

Hi all, We are happy to announce that v1.6 of Cyclus, Cycamore, and Cymetric are now available!

5/23/24

William Johns, … Paul Wilson4

3/15/24

Cyclus server from a windows machine

Hi Ahnaf, This certainly may be of interest to some. In fact, we once hosted a software-as-a-service

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Cyclus server from a windows machine

Hi Ahnaf, This certainly may be of interest to some. In fact, we once hosted a software-as-a-service

3/15/24

William Johns, Paul Wilson2

12/10/23

Trouble installing cycamore through conda

Hello there, We are close to issuing a new release and updating the conda packages. At this time, I

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Trouble installing cycamore through conda

Hello there, We are close to issuing a new release and updating the conda packages. At this time, I

12/10/23

11/22/23

cyclus_unit_tests errors

Hello, I installed cyclus via conda $ conda install -c conda-forge cycamore on Ubuntu Description:

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cyclus_unit_tests errors

Hello, I installed cyclus via conda $ conda install -c conda-forge cycamore on Ubuntu Description:

11/22/23

Arrielle Opotowsky

2/4/22

Cyamore reactor changing recipes or fuel preferences

Hi everyone, I'm wondering if anyone has experience with troubleshooting either changing the fuel

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Cyamore reactor changing recipes or fuel preferences

Hi everyone, I'm wondering if anyone has experience with troubleshooting either changing the fuel

2/4/22

Daniel Wojtaszek, Paul Wilson2

8/23/21

Mbmore CascadeEnrich unit tests failed

Per conversation today, this occurred with git hash da1e0ac7b24de4a1c3f6064181cae1d774913f29 of

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Mbmore CascadeEnrich unit tests failed

Per conversation today, this occurred with git hash da1e0ac7b24de4a1c3f6064181cae1d774913f29 of

8/23/21

Daniel Wojtaszek, Baptiste MOUGINOT (BaM)6

5/28/21

cycamore reactor archetype issue with fractional assem_size

UNRESTRICTED / ILLIMITÉE Drat! There is another archetype that I forgot to change: the storage. Here

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cycamore reactor archetype issue with fractional assem_size

UNRESTRICTED / ILLIMITÉE Drat! There is another archetype that I forgot to change: the storage. Here

5/28/21

burak sarıoglu, Paul Wilson5

12/4/20

cyclus_unit_tests error!

I will try to delete other files with the same name. 4 Aralık 2020 Cuma tarihinde saat 15:36:18 UTC+3

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cyclus_unit_tests error!

I will try to delete other files with the same name. 4 Aralık 2020 Cuma tarihinde saat 15:36:18 UTC+3

12/4/20

Daniel Wojtaszek, … Robert Flanagan3

7/17/20

Bright-lite fails unit test

Hmm. I'm not sure what would cause that. I admittedly haven't touched Bright-lite in a while

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Bright-lite fails unit test

Hmm. I'm not sure what would cause that. I admittedly haven't touched Bright-lite in a while

7/17/20

Wojtaszek, Daniel, Paul Wilson2

7/17/20

Unable to access Cyclus users group in google

Hi Dan, Thanks for the heads up. I have no idea why but will investigate.... Paul On 7/17/20 07:21,

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Unable to access Cyclus users group in google

Hi Dan, Thanks for the heads up. I have no idea why but will investigate.... Paul On 7/17/20 07:21,

7/17/20

Feri Wibisono, Max Schalz2

6/30/20

Cyclus installation and guidance for beginner

Hi Feri, Also, as I never use cyclus before, I try to learn through the tutorial that I found from

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Cyclus installation and guidance for beginner

Hi Feri, Also, as I never use cyclus before, I try to learn through the tutorial that I found from

6/30/20

Daniel Wojtaszek, Baptiste MOUGINOT (BaM)3

6/22/20

installing Bright-lite on ubuntu 16.04: Can't find libxml2

Hi Baptiste. That fix worked. Thanks! On Thursday, June 18, 2020 at 11:20:05 AM UTC-4, Baptiste

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installing Bright-lite on ubuntu 16.04: Can't find libxml2

Hi Baptiste. That fix worked. Thanks! On Thursday, June 18, 2020 at 11:20:05 AM UTC-4, Baptiste

6/22/20

Max Schalz, Paul Wilson2

1/22/20

Cycamore Enrichment "feed_recipe" variable

Hello Max, This behavior is specific to this enrichment class. One of the fundamental concepts

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Cycamore Enrichment "feed_recipe" variable

Hello Max, This behavior is specific to this enrichment class. One of the fundamental concepts

1/22/20

Daniel Wojtaszek, … Paul Wilson13

12/19/19

Error installing cyclus from source

Hi Dan, The installation process does a few things to implement this CRAM capability. The `cram.c`

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Error installing cyclus from source

Hi Dan, The installation process does a few things to implement this CRAM capability. The `cram.c`

12/19/19

12/13/19

Segmentation fault cycamore_unit_tests ReactorTests.Retire

Dear all, I get a segmentation fault when executing the cycamore_unit_tests during the Retire test of

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Segmentation fault cycamore_unit_tests ReactorTests.Retire

Dear all, I get a segmentation fault when executing the cycamore_unit_tests during the Retire test of

12/13/19

Daniel Wojtaszek, Max Schalz3

12/13/19

d3ploy DeterministicInst

Sorry, I should have mentioned that the readme file for d3ploy does not mention DeterministicInst.

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d3ploy DeterministicInst

Sorry, I should have mentioned that the readme file for d3ploy does not mention DeterministicInst.

12/13/19

Daniel Wojtaszek, Jin whan Bae4

12/12/19

growthregion deployment of reactors with finite lifetimes

Thanks! I've made an issue for the timeseriesdemand table issue. I'll check out d3ploy and

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growthregion deployment of reactors with finite lifetimes

Thanks! I've made an issue for the timeseriesdemand table issue. I'll check out d3ploy and

12/12/19

Max Schalz, … Baptiste MOUGINOT5

11/19/19

Database update in Cyclist

Dear Baptiste, Alright, that sounds interesting! I will look through the demo and try to use Cymetric

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Database update in Cyclist

Dear Baptiste, Alright, that sounds interesting! I will look through the demo and try to use Cymetric

11/19/19

Wittel, Madalina, … Baptiste MOUGINOT (BaM)10

10/9/19

Issues installing CYCLUS from source

Dear Baptiste, Dear All, I have good news: indeed, getting the source from github worked. I had

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Issues installing CYCLUS from source

Dear Baptiste, Dear All, I have good news: indeed, getting the source from github worked. I had

10/9/19

Grant Christopher, Baptiste MOUGINOT (BaM)5

7/12/19

cloud use not available

Dear Bernadette, Thank you for the previous help, the server now appears to be working. I'm still

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cloud use not available

Dear Bernadette, Thank you for the previous help, the server now appears to be working. I'm still

7/12/19

Baptiste MOUGINOT

4/16/19

38th edition of the Joliot Curie International School: “Nuclear Energy and the Interfaces with the Environment”

Dear colleagues This has been forwarded to me, I figured that you could be interested (for yourself

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38th edition of the Joliot Curie International School: “Nuclear Energy and the Interfaces with the Environment”

Dear colleagues This has been forwarded to me, I figured that you could be interested (for yourself

4/16/19

nucle...@gmail.com

4/3/19

Dear Cyclus users: I was tasked to do a study on users' experience with Cyclus. If you don't

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Dear Cyclus users: I was tasked to do a study on users' experience with Cyclus. If you don't

4/3/19

Marc Ernoult, Baptiste MOUGINOT (BaM)2

8/20/18

Problem during Cyclus and Cycamore installation

Hi Marc, As I told you in direct message, the cyclus unit test issues are probably occurring because

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Problem during Cyclus and Cycamore installation

Hi Marc, As I told you in direct message, the cyclus unit test issues are probably occurring because

8/20/18

2/26/18

List of reactors licensed for MOX fuel

Hi everyone, Does anyone have information about which current reactors are licensed for MOX fuel? I

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List of reactors licensed for MOX fuel

Hi everyone, Does anyone have information about which current reactors are licensed for MOX fuel? I

2/26/18

daniel.w...@cnl.ca, … Baptiste MOUGINOT (BaM)5

2/9/18

Pyne returns nan for Am242m decay heat

Hi Daniel, In Cyclus, we actually change the way we deal with the different branches, before: -

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Pyne returns nan for Am242m decay heat

Hi Daniel, In Cyclus, we actually change the way we deal with the different branches, before: -

2/9/18

daniel.w...@cnl.ca2

2/7/18

hello cyclus cycstub tutorial compilation errors

I fixed the problem by adding the following line to CMakeLists.txt: SET(CMAKE_CXX_STANDARD 11) On

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hello cyclus cycstub tutorial compilation errors

I fixed the problem by adding the following line to CMakeLists.txt: SET(CMAKE_CXX_STANDARD 11) On

2/7/18

2/7/18

Python setup tutorial struggles

Hi, I moved on to the Adding State Variables and have been unable to resolve this error after

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Python setup tutorial struggles

Hi, I moved on to the Adding State Variables and have been unable to resolve this error after

2/7/18

Anthony Scopatz2

1/15/18

ANN Cyclus v1.5.3 Released!

ADDENDUM: The cyclus channel is no longer needed on mac. You can now run: On macOS: $ conda install -

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ANN Cyclus v1.5.3 Released!

ADDENDUM: The cyclus channel is no longer needed on mac. You can now run: On macOS: $ conda install -

1/15/18

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