نتایج جستجو برای: diffusion model

تعداد نتایج: 2230844  

Journal: :Applicable Analysis 2021

In this paper, we study some qualitative properties for solutions to an evolution problem that combines local and nonlocal diffusion operators acting in two different subdomains. The coupling takes...

Journal: :Stochastic Processes and their Applications 2006

Journal: :Acta Chemica Scandinavica 1964

Journal: :Computer Methods in Biomechanics and Biomedical Engineering 2013

Journal: :Rocky Mountain Journal of Mathematics 1981

Journal: :CoRR 2014
Carlos E. Laciana G. Gual D. Kalmus Nicolas Oteiza Aguirre Santiago L. Rovere

We study the equilibrium points of a system of equations corresponding to a Bass based model that describes the diffusion of two brands in competition. To increase the understanding of the effects of the crossbrand parameters, we perform a sensitivity analysis. Finally, we show a comparison with an agent-based model inspired in the Potts model. Conclusions include that both models give the same...

Journal: Polyolefins Journal 2014

A two-dimensional single particle finite element model was used to examine the effects of particle fragmental pattern on the average molecular weights, polymerization rate and particle overheating in heterogeneous Ziegler-Natta olefin polymerization. A two-site catalyst kinetic mechanism was employed together with a dynamic two-dimensional molecular species in diffusion-reaction equation. The i...

Journal: :Journal of physics 2023

Abstract Modeling and predicting the information diffusion process on social platforms is a critical task in many real-world applications. Recent studies generally model graph using neural networks to capture implicit dependencies among users. However, existing construct way which cannot fully describe global of users due their narrow definition user relationship. Meanwhile, these methods are n...

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