[Numerical Methods for Physics] [Alejandro L. Garcia] Illustration by Charlene Fleming

Alejandro Garcia's Home Page

As a retired university professor and a research scientist, I spend much of my time distributing information. The purpose of this site is to do this more efficiently. You'll also find some personal items, such as paintings, prints, and sketchbook drawings.

What's New ?

Books:
* Essentials of Modern Thermodynamics is now available on Amazon. Supplemental materials available on Github.

Recent Talks:
* "Fluctuating Hydrodynamics and Turbulence", Dynamics of Non-Equilibrium Variables: Multiscale-multiphysics applications of fluctuating hydrodynamics, Zaragoza, Spain September 15-19, 2025 (Slides)
* "An Introduction to Computational Fluctuating Hydrodynamics", Dynamics of Non-Equilibrium Variables: Multiscale-multiphysics applications of fluctuating hydrodynamics, Zaragoza, Spain September 15-19, 2025 (Slides)
* "DSMC: A Statistical Mechanics Perspective", G.A. Bird Plenary Lecture, 33rd International Symposium on Rarefied Gas Dynamics, Gottingen, Germany, July 15-19, 2024 (Slides)

Recent Preprints and Papers:
* "DSMC: A Statistical Mechanics Perspective", AL Garcia, Rarefied Gas Dynamics. RGD 2024. Grabe, M., Oblapenko, G., Torrilhon, M. (eds) Springer, https://doi.org/10.1007/978-3-032-00094-1_56 (2026).
* "Thermodynamically Consistent Incorporation of the Langmuir Adsorption Model into Compressible Fluctuating Hydrodynamics", HT Jung, H Kim, AL Garcia, AJ Nonaka, JB Bell, I Srivastava, C Kim The Journal of Chemical Physics 164 (9) (2026).
* "Temporal reversibility of a fluid mixture under concentration gradient", O Politano, AL Garcia, F Baras, MM Mansour, arXiv preprint arXiv:2603.29027 (2026)
* "Comment on "Physical significance of artificial numerical noise in direct numerical simulation of turbulence"", RM McMullen, MA Gallis, I Srivastava, AJ Nonaka, JB Bell, AL Garcia, DOI: 10.48550/arXiv.2510.04828 (2025).
* "A Fluctuating Hydrodynamics Model for Nanoscale Surfactant-laden Interfaces", JB Bell, A Nonaka, AL Garcia, The Journal of Chemical Physics 163 (18) https://doi.org/10.1063/5.0298519 (2025).
* "Molecular Fluctuations Inhibit Intermittency in Compressible Turbulence", I Srivastava, AJ Nonaka, W Zhang, AL Garcia, JB Bell, Journal of Fluid Mechanics, 1022:A39. doi:10.1017/jfm.2025.10796 (2025).
* "Spherical and Sessile Droplet Dynamics by Fluctuating Hydrodynamics", JB Bell, A Nonaka, AL Garcia, Phys. Fluids DOI: 10.1063/5.0249847 (2025).
* "Comment on "Brownian motion of droplets induced by thermal noise", J.B. Bell, A. Nonaka, A.L. Garcia, Physical Review E 111 (5), 056201 (2025).

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