SelectedWorks - Alejandro Garcia

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Selected Works of Alejandro Garcia

Professor, Computational Fluid Mechanics & Statistical Mechanics

Alejandro Garcia developed and teaches Physics of Animation at San Jose State and serves as the physics consultant for DreamWorks Animation SKG. He is the author of over 80 professional publications including the textbook, Numerical Methods for Physics. Dr. Garcia was named SJSU's President's Scholar in 2000 and the Outstanding Professor in 2013.

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About Alejandro Garcia

Alejandro Garcia developed and teaches Physics of Animation at San Jose State and serves as the physics consultant for DreamWorks Animation SKG. He is the author of over 80 professional publications including the textbook, Numerical Methods for Physics. Dr. Garcia was named SJSU's President's Scholar in 2000 and the Outstanding Professor in 2013.

Present	Professor,Computational Fluid Mechanics & Statistical Mechanics, San Jose State University
Institution Organization Position Type Position Title Time Period to Options Current Position Affiliate my profile with this Institution

Other Astrophysics and Astronomy and Other Physics

Statistical Mechanics (Physics 260)
Mathematical Physics (Physics 230)
he Nexus of Art & Science (MUSE/Physics 10)
Computational Physics (Physics 240
Advanced Dynamics (Physics 205)
Conceptual Physics (Physics 1)

alejandro.garcia@sjsu.edu

Email:

Staggered scheme for the compressible fluctuating hydrodynamics of multispecies fluid ...

Physical Review E (2023)

Ishan Srivastava, Daniel R. Ladiges, Andy J. Nonaka, Alejandro L. Garcia, et al.

We present a numerical formulation for the solution of nonisothermal, compressible Navier-Stokes equations with thermal fluctuations to describe mesoscale transport ...

Validity of path thermodynamic description of reactive systems: Microscopic simulations

Physical Review E (2023)

F. Baras, Alejandro L. Garcia and M. Malek Mansour

Traditional stochastic modeling of reactive systems limits the domain of applicability of the associated path thermodynamics to systems involving a ...

Modeling electrokinetic flows with the discrete ion stochastic continuum overdamped ...

Physical Review E (2022)

D. R. Ladiges, J. G. Wang, I. Srivastava, A. Nonaka, et al.

In this article we develop an algorithm for the efficient simulation of electrolytes in the presence of physical boundaries. In ...

Thermal fluctuations in the dissipation range of homogeneous isotropic turbulence

Journal of Fluid Mechanics (2022)

John B. Bell, Andrew Nonaka, Alejandro L. Garcia and Gregory Eyink

Using fluctuating hydrodynamics we investigate the effect of thermal fluctuations in the dissipation range of homogeneous isotropic turbulence. Simulations confirm ...

Discrete ion stochastic continuum overdamped solvent algorithm for modeling electrolytes

Physical Review Fluids (2021)

D. R. Ladiges, A. Nonaka, K. Klymko, G. C. Moore, et al.

In this paper we develop a methodology for the mesoscale simulation of strong electrolytes. The methodology is an extension of ...

Low Mach number fluctuating hydrodynamics model for ionic liquids

Physical Review Fluids (2020)

Katherine Klymko, Andrew Nonaka, John B. Bell, Sean P. Carney, et al.

We present a new mesoscale model for ionic liquids based on a low Mach number fluctuating hydrodynamics formulation for multicomponent ...

Validity of path thermodynamics in reactive systems

Physical Review E (2020)

M. Malek Mansour and Alejandro L. Garcia

Path thermodynamic formulation of nonequilibrium reactive systems is considered. It is shown through simple practical examples that this approach can ...

Fluctuating hydrodynamics of electrolytes at electroneutral scales

Physical Review Fluids (2019)

Aleksandar Donev, Andrew J. Nonaka, Changho Kim, Alejandro L Garcia, et al.

At mesoscopic scales electrolyte solutions are modeled by the fluctuating generalized Poisson-Nernst-Planck (PNP) equations [J.-P. Péraud et al., Phys. Rev. ...

Fluctuating hydrodynamics of reactive liquid mixtures

The Journal of Chemical Physics (2018)

Changho Kim, Andy. J Nonaka, John B. Bell, Alejandro L Garcia, et al.

Fluctuating hydrodynamics (FHD) provides a framework for modeling microscopic fluctuations in a manner consistent with statistical mechanics and nonequilibrium thermodynamics. ...

Stochastic Simulation of Reaction-Diffusion Systems: A Fluctuating-Hydrodynamics Approach

Journal of Chemical Physics (2017)

Alejandro Garcia, Changho Kim, Andy Nonaka, John B Bell, et al.

We develop numerical methods for reaction-diffusion systems based on the equations of fluctuating hydrodynamics (FHD). While the FHD formulation is ...

Low Mach Number Fluctuating Hydrodynamics for Electrolytes

Physical Review Fluids (2016)

Alejandro Garcia, Andy J Nonaka, John B. Bell, Aleksandar Donev, et al.

We formulate and study computationally the low Mach number fluctuating hydrodynamic equations for electrolyte solutions. We are interested in studying ...

A Horizontal Vane Radiometer: Experiment, Theory, and Simulation

Physics of Fluids (2016)

David Wolfe, Andres Larraza and Alejandro Garcia

The existence of two motive forces on a Crookes radiometer has complicated the investigation of either force independently. The thermal ...

Fluctuating hydrodynamics of multi-species reactive mixtures

Journal of Chemical Physics (2015)

Alejandro Garcia, John B Bell, Aleksandar Donev, Amit K. Bhattacharjee, et al.

We formulate and study computationally the fluctuating compressible Navier-Stokes equations for reactive multi-species fluid mixtures. We contrast two different expressions ...

Low Mach Number Fluctuating Hydrodynamics of Multispecies Liquid Mixtures

Physics of Fluids (2015)

Aleksandar Donev, Andy J. Nonaka, Amit K. Bhattacharjee, Alejandro Garcia, et al.

We develop a low Mach number formulation of the hydrodynamic equations describing transport of mass and momentum in a multispecies ...

Fluctuating hydrodynamics of multispecies mixtures. I. Non-reacting Flows

Physical Review E. (2014)

Kaushik Balakrishnan, Aleksandar Donev, John B. Bell and Alejandro Garcia

In this paper we discuss the formulation of the fluctuating Navier-Stokes equations for multispecies, nonreactive fluids. In particular, we establish ...

Low Mach Number Fluctuating Hydrodynamics of Diffusively Mixing Fluids

Communications in Applied Mathematics and Computational Science (2014)

Aleksandar Donev, Andy J Nonaka, Yifei Sun, Thomas Fai, et al.

We formulate low Mach number fluctuating hydrodynamic equations appropriate for modeling diffusive mixing in isothermal mixtures of fluids with different ...

Modeling Multi-phase flow using fluctuating hydrodynamics

Physical Review E (2014)

Anuj Chaudri, John B. Bell, Alejandro Garcia and Aleksander Donev

Fluctuating hydrodynamics provides a model for fluids at mesoscopic scales where thermal fluctuations can have a significant impact on the ...

Fluctuating Hydrodynamics and Direct Simulation Monte Carlo

AIP Conference Proceedings (2012)

Alejandro Garcia, K. Balakrishnan, John B Bell and Andy Donev

Thermodynamic fluctuations are significant at microscopic scales even when hydrodynamic transport models (i.e., Navier-Stokes equations) are still accurate; a well-known ...

Principles of Animation Physics

Proceedings of ACM SIGGRAPH (2012)

Alejandro Garcia

Diffusive Transport Enhanced by Thermal Velocity Fluctuations

Physical Review Letters (2011)

Alejandro Garcia, Aleksandar Donev, Anton de la Fuente and John B Bell

We study the contribution of advection by thermal velocity fluctuations to the effective diffusion coefficient in a mixture of two ...

Enhancement of Diffusive Transport by Nonequilibrium Thermal Fluctuations

Journal of Statistical Mechanics (2011)

Alejandro Garcia, Andy Donev, Anton de la Fuente and John B Bell

We study the contribution of advection by thermal velocity fluctuations to the effective diffusion coefficient in a mixture of two ...

Hydrodynamic fluctuations in a particle-continuum hybrid for complex fluids

Proceedings of the 27th International Symposium on Rarefied Gas Dynamics AIP Conf. Proc (2011)

Alejandro Garcia, Aleksandar Donev, John B Bell and Berni Alder

A previously-developed hybrid particle-continuum method [J. B. Bell, A. Garcia and S. A. Williams, SIAM Multiscale Modeling and Simulation, 6:1256-1280, ...

Physics for Animation Artists

The Physics Teacher (2011)

Alejandro Garcia and David Chai

Animation has become enormously popular in feature films, television, and video games. Art departments and film schools at universities as ...

A hybrid particle-continuum method for hydrodynamics of complex fluids

SIAM Multiscale Modeling and Simulation (2010)

Alejandro Garcia, Aleksandar Donev, John B Bell and Berni Alder

A previously developed hybrid particle-continuum method [J. B. Bell, A. Garcia, and S. A. Williams, Multiscale Model. Simul., 6 (2008), ...

Computational fluctuating fluid dynamics

Mathematical Modelling and Numerical Analysis (2010)

Alejandro Garcia, John B Bell and Sarah Williams

This paper describes the extension of a recently developed numerical solver for the Landau-Lifshitz Navier-Stokes (LLNS) equations to binary mixtures ...