全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:Alexander Bobylev , Irene M. Gamba , Chenglong Zhang
来源:[J].Journal of Statistical Physics(IF 1.4), 2017, Vol.168 (3), pp.535-548Springer
摘要:We study the rate of relaxation to equilibrium for Landau kinetic equation and some related models by considering the relatively simple case of radial solutions of the linear Landau-type equations. The well-known difficulty is that the evolution operator has no spectral gap,...
作者:Irene M. Gamba
来源:[J].Bulletin of the American Mathematical Society(IF 2.556), 2018, Vol.55 (3), pp.347-350AMS
摘要:Immediately following the commentary below, this previously published article is reprinted in its entirety: Cathleen Synge Morawetz, ``The mathematical approach to the sonic barrier'', Bull. Amer. Math. Soc. (N.S.) 6 (1982), no. 2, 127-145.
作者:Yingda Cheng , Irene M. Gamba , Philip J. Morrison
来源:[J].Journal of Scientific Computing(IF 1.71), 2013, Vol.56 (2), pp.319-349Springer
摘要:Abstract(#br)In this paper we consider Runge–Kutta discontinuous Galerkin (RKDG) schemes for Vlasov–Poisson systems that model collisionless plasmas. One-dimensional systems are emphasized. The RKDG method, originally devised to solve conservation laws, is seen to have excel...
作者:Irene M. Gamba , Jeffrey R. Haack , Sebastien Motsch
来源:[J].Journal of Computational Physics(IF 2.138), 2015, Vol.297, pp.32-46Elsevier
摘要:Abstract(#br)In this paper we present the first numerical method for a kinetic description of the Vicsek swarming model. The kinetic model poses a unique challenge, as there is a distribution dependent collision invariant to satisfy when computing the interaction term. We use a s...
作者:Irene M. Gamba , Jeffrey R. Haack
来源:[J].Journal of Computational Physics(IF 2.138), 2014, Vol.270, pp.40-57Elsevier
摘要:Abstract(#br)We present the formulation of a conservative spectral method for the Boltzmann collision operator with anisotropic scattering cross-sections. The method is an extension of the conservative spectral method of Gamba and Tharkabhushanam [17,18], which uses the weak form...
作者:Michael Harmon , Irene M. Gamba , Kui Ren
来源:[J].Journal of Computational Physics(IF 2.138), 2016, Vol.327, pp.140-167Elsevier
摘要:Abstract(#br)This work concerns the numerical solution of a coupled system of self-consistent reaction–drift–diffusion–Poisson equations that describes the macroscopic dynamics of charge transport in photoelectrochemical (PEC) solar cells with reactive semiconductor and...
作者:... Jeffrey R. Haack , Irene M. Gamba , Thierry E. Magin
来源:[J].Journal of Computational Physics(IF 2.138), 2014, Vol.264, pp.152-176Elsevier
摘要:Abstract(#br)In this paper a spectral-Lagrangian method is proposed for the full, non-linear Boltzmann equation for a multi-energy level gas typical of a hypersonic re-entry flow. Internal energy levels are treated as separate species and inelastic collisions (leading to internal...
作者:Irene M. Gamba , Moon-Jin Kang
来源:[J].Archive for Rational Mechanics and Analysis(IF 2.292), 2016, Vol.222 (1), pp.317-342Springer
摘要:Abstract(#br)We study the global existence and uniqueness of weak solutions to kinetic Kolmogorov–Vicsek models that can be considered as non-local, non-linear, Fokker–Planck type equations describing the dynamics of individuals with orientational interactions. This model is...

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