Improvements to the Diffusion Synthetic Acceleration method in neutron transport with highly anisotropic scattering
Conference
·
OSTI ID:459257
- Universita degli Studi di Bologna (Italy)
- Politecnico di Torino (Italy)
Some modifications of the Diffusion Synthetic Acceleration (DSA) technique are proposed to face its loss of effectiveness when dealing with highly anisotropic scattering. A model case convergence analysis of the proposed techniques is performed; an extensive set of comparisons with results obtained by means of already assessed DSA modification techniques is reported for various scattering cross-section configurations. The importance of non asymptotic convergence velocity as a theoretical means to characterize and optimize different acceleration methods is also discussed.
- OSTI ID:
- 459257
- Report Number(s):
- CONF-950420--
- Country of Publication:
- United States
- Language:
- English
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