[PDF] Top 20 A random walk approach to stochastic neutron transport
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A random walk approach to stochastic neutron transport
... of neutron transport, in the context of another fundamental question in nuclear reactor physics: the occupa- tion statistics of the transported particles within a domain when entering from the outer ... Voir le document complet
280
A nonlinear random walk approach to concentration-dependent contaminant transport in porous media
... in a volume dx around the position ᐉ at a given time ...however, a trial-and-error fine fitting around ⑀ and ␣ is required in order to account for ...the random-walk model, ... Voir le document complet
9
TRIPOLI-4 and FREYA for Stochastic Analog Neutron Transport. Application to Neutron Multiplicity Counting.
... particular, a Monte Carlo approach was developed [16] for the sequential emission of neutrons and photons from individual fission fragments in binary ...in a fast simulation ...for neutron and ... Voir le document complet
9
Changement d'échelle du transport hydrodynamique en méchelle : du pore à l'échelle de Darcy en utilisantla méthode Continuous Time Random Walk
... REACTION to turbulent (Lester et ...due to transverse diffusion provokes incorrect quantifications of mixing in heterogeneous flows (Perez et ...begins to sample the vertical flow contrast. To ... Voir le document complet
229
Efficient stochastic simulation approach for RTM process with random fibrous permeability
... suitable to be embedded as a module into optimization or sensitivity analysis algorithms [25], instead of the time-consuming ...accuracy. Stochastic simulation results of simple mold filling ... Voir le document complet
21
Random Walk Based Stochastic Modeling of 3D Fiber Systems
... is to provide a random hardcore fiber model with a controllable bending and high volume ...purpose, random walks are used to create a realistic system of bending ...with ... Voir le document complet
16
Temporal random walk as a lightweight communication infrastructure for opportunistic networks
... considered to read/write in the token (we assume negligible time) and the cost of merging tokens (we assume infinite ...just a toy example that allows us to devise such a token where the ... Voir le document complet
7
A stochastic computational multiscale approach; Application to MEMS resonators
... is to evaluate the random field of the material tensor at the meso-scale, which requires to consider several SVE ...realizations. To this end, the following procedure is considered in the ... Voir le document complet
39
Random monotone operators and application to stochastic optimization
... Enfin, je te remercie Olivier Fercoq pour l’aide précieuse que tu m’as apporté. J’ai croisé beaucoup de monde à Télécom. Alors je dédie cette thèse à mes amis et collègues de Comelec, Achraf, Akram (see u in Jeddah), ... Voir le document complet
152
A perspective on the extension of stochastic orderings to fuzzy random variables
... fuzzy random variables is not sim- ple as it was started by two separate groups with respectively epistemic and ontic views in mind ...sets, a line followed up by Kruse and Meyer [33]. They view a ... Voir le document complet
8
Biased Random Walk Model to estimate Routing Performance in Wireless Sensor Networks
... Introduction A wireless sensor network (WSN) is formed by a large number of sensor nodes deployed over an extended ...issue to be considered here because it is significantly sensitive to the ... Voir le document complet
5
A Benamou-Brenier approach to branched transport
... equivalent to the one developed by Xia (see [27] for the presentation of the model and [6], Chapter 9, for the equivalence), which is based on a relaxation procedure, starting from an energy defined on ... Voir le document complet
19
Lengths and heights of random walk excursions
... Consider a simple symmetric random walk on the ...the random walk between consecutive returns to the origin are called ... Voir le document complet
9
Random Walk on a Perturbation of the Infinitely-Fast Mixing Interchange Process
... in a Markovian walker on Z d whose transitions are given by an underlying random ...according to an interchange process, also called random stirring process in the physical literature: We ... Voir le document complet
22
A partially reflecting random walk on spheres algorithm for electrical impedance tomography
... develop a probabilistic estimator for the voltage-to-current map arising in electrical impedance ...reflecting random walk on spheres estimator enables Monte Carlo meth- ods to compute ... Voir le document complet
35
Comparison of Mean Hitting Times for a Degree-Biased Random Walk
... applies to routing in wireless sensor networks. Such networks are formed by a large number of sensors together with an information col- lector, the ...routed to the sink, usually via radio channel; ... Voir le document complet
11
Path factorization approach to stochastic simulations
... sampling stochastic trajectories escaping from the trapping ...leading to the escapes and/or require equilibration over a path ensemble [6–12], our method constructs an entire stochastic ... Voir le document complet
8
Memory effects in a random walk description of protein structure ensembles
... of a pro- ...by a straight axis joining the screw motion ...effectively to a tube model for proteins (indicated in transparent grey), where the local tube axis is defined by the succession of ... Voir le document complet
6
Improving Random Walk Estimation Accuracy with Uniform Restarts
... 10 to match the 1/10 hit ratio of MySpace’s uniform node sampling ...able to reduce the NMSE even when restarts are rare ...closer to perfoming independent uniform node ... Voir le document complet
21
Spin zero particle propagator from a random walk in 3-D space
... the stochastic motion of our particle, at each change of its direction, we supposed that its scattering mimics resonance S-wave scattering with an amplitude f = −1 and a π/2 phase ... Voir le document complet
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