3 papers
math.NA2025
Convergence of Multi-Level Hybrid Monte Carlo Methods for 1-D Particle Transport Problems
Vincent N. Novellino, Dmitriy Y. Anistratov
We present in this paper a hybrid, Multi-Level Monte Carlo (MLMC) method for solving the neutral particle transport equation. MLMC methods, originally developed to solve parametric…
math.NA2025
Hybrid Weight Window Techniques for Time-Dependent Monte Carlo Neutronics
Caleb S. Shaw, Dmitriy Y. Anistratov
Efficient variance reduction of Monte Carlo simulations is desirable to avoid wasting computational resources. This paper presents an automated weight window algorithm for solving…
math.NA2024
Multilevel Method with Low-Order Equations of Mixed Types and Two Grids in Photon Energy for Thermal Radiative Transfer
Dmitriy Y. Anistratov, Terry S. Haut
Thermal radiative transfer (TRT) is an essential piece of physics in inertial confinement fusion, high-energy density physics, astrophysics etc. The physical models of this type of…