NESTLE

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NESTLE is a few-group neutron diffusion equation solver utilizing the nodal expansion method for eigenvalue, adjoint, fixed source steady-state and transient problems. The code was developed at North Carolina State University beginning in the late 1980’s. In recent years, the University of Tennessee and ORNL have collaborated to expand NESTLE’s capabilities. The code is being restructured into a modular modern Fortran program that is fully compatible with the SCALE code system.

Users

Stable version

Current stable version is the old release from RSICC, NESTLE 5.2.1.

Instructions to use it

module load NESTLE
nestle <input_file>

Documentation

The old manual is provided with the RSICC release. It is also available on the cluster in /opt/nestle/old-manual/manual-nestle-v5.2.1.pdf

The new manual is on Oveleaf. It is also available on the cluster in /opt/nestle/manual/nestle-latex-manual.pdf

Beta version

Current beta version is NESTLE 6.a.

Instructions to use it

module load NESTLE/6.a
nestle <input_file>

Documentation

[in the works]

Development version

The development version has its own NESTLE Development wiki.

Cross-section generation

T2N

S2N

X2N

Documents and Files