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Explicit high-order numerical schemes are proposed for the accurate computation of multiple-scale problems and for the implementation of boundary conditions. Specific high-order node-centered finite differences and selective filters removing grid-to-grid oscillations are first designed for the discretization of the buffer region between a Dx-grid domain and(More)
To assist in nuclear forensic investigations, new techniques are required to evaluate radioactive materials that may be discovered outside of regulatory control. Using a recently developed pressure digestion method for iridium powder, assessments have been made of this techniques suitability for undertaking iridium target material evaluations. In addition(More)
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