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Listar por palabra clave "Spherical harmonics method"

Mostrando ítems 1-4 de 4

Analysis of the PHWR benchmark transient using a high-order spherical harmonics-nodal collocation method and treatment of rod cusping effect

Capilla Romá, Maria Teresa; Talavera Usano, César Félix; Ginestar Peiro, Damián; Verdú Martín, Gumersindo Jesús (Elsevier, 2021-05)

[EN] We develop and validate node homogenization methods, based on one and three-dimensional node equivalent problems, that improve the volume weighted method for the treatment of the rod cusping effect. The numerical ...
High-order spherical harmonics-nodal collocation scheme for the numerical solution of the time-dependent radiative transfer equation

Capilla Romá, Maria Teresa; Talavera Usano, César Félix (Optical Society of America, 2019-01-01)

[EN] The validity of the spherical harmonics-nodal collocation approximation to the stationary Boltzmann equation has been established in multi-dimensional neutron transport problems. This is a high-order approximation ...
Numerical analysis of the 2D C5G7 MOX benchmark using PL equations and a nodal collocation method

Capilla Romá, Maria Teresa; Talavera Usano, César Félix; Ginestar Peiro, Damián; Verdú Martín, Gumersindo Jesús (Elsevier, 2018)

[EN] A classical discretization for the angular dependence of the neutron transport equation is based on a truncated spherical harmonics expansion. The resulting system of equations are the PL equations. We review the ...
Validation of the SHNC time-dependent transport code based on the spherical harmonics method for complex nuclear fuel assemblies

Capilla Romá, Maria Teresa; Talavera Usano, César Félix; Ginestar Peiro, Damián; Verdú Martín, Gumersindo Jesús (Elsevier, 2020-09)

[EN] The diffusion approximation to the time-dependent Boltzmann transport equation gives accurate results for traditional nuclear reactor designs, but new reactor designs and new fuel elements require neutron transport ...

Mostrando ítems 1-4 de 4

Listar por palabra clave "Spherical harmonics method"

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Listar por palabra clave "Spherical harmonics method"