From cb92f73b18806e8e572fe74f4d75f76ee4235261 Mon Sep 17 00:00:00 2001 From: Andrew Johnson Date: Wed, 18 Sep 2019 09:24:39 -0500 Subject: [PATCH] Add link to openmc.org/depletion-chains in example notebook --- examples/jupyter/pincell_depletion.ipynb | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/examples/jupyter/pincell_depletion.ipynb b/examples/jupyter/pincell_depletion.ipynb index 63b644a9df..94ec479f62 100644 --- a/examples/jupyter/pincell_depletion.ipynb +++ b/examples/jupyter/pincell_depletion.ipynb @@ -339,7 +339,10 @@ "* A fission event for U-235 produces fission products like Xe135 according to a distribution\n", "* For thermal problems, Am241 will produce metastable Am242 about 8% of the time during an $(n,\\gamma)$ reaction. The other 92% of capture reactions will produce ground state Am242\n", "\n", - "These data are often distributed with other nuclear data, like incident neutron cross sections with ENDF/B-VII. The `openmc.deplete.Chain` object is responsible for representing this information. Two executables, `openmc-make-depletion-chain` and `openmc-make-depletion-chain-casl` will read in nuclear data using the `OPENMC_ENDF_DATA` environment variable and produce two depletion chain files. The first is a more detailed file containing every reaction and fission product possible, while the second uses data from CASL [Specification for the VERA Depletion Benchmark Suite](https://doi.org/10.2172/1256820) report to reduce the number of isotopes.\n", + "These data are often distributed with other nuclear data, like incident neutron cross sections with ENDF/B-VII.\n", + "OpenMC uses the [`openmc.deplete.Chain`](https://docs.openmc.org/en/latest/pythonapi/generated/openmc.deplete.Chain.html#openmc.deplete.Chain) to collect represent the various decay and transmutation pathways in a single object.\n", + "While a complete `Chain` can be created using nuclear data files, users may prefer to download pre-generated XML-representations instead.\n", + "Such files can be found at https://openmc.org/depletion-chains/ and include full and compressed chains, with capture branching ratios derived using PWR- or SFR-spectra.\n", "\n", "For this problem, we will be using a much smaller depletion chain that contains very few nuclides. In a realistic problem, over 1000 isotopes may be included in the depletion chain." ]