Tootfinder

🇺🇦 #NowPlaying on KEXP's #MorningShow
Lady Gaga:
🎵 Disease
#LadyGaga
https://hotride.bandcamp.com/track/lady-gaga-disease-hotride-remix
https://open.spotify.com/track/0T3Hw3kPj9T2E4UoaSXmfn

High-order staggered Lagrangian hydrodynamics (I): framework of the discretization scheme
Zhiyuan Sun, Jun Liu, Pei Wanga
https://arxiv.org/abs/2509.05944 https://

High-order staggered Lagrangian hydrodynamics (I): framework of the discretization scheme
This paper presents a discretization framework for high-order staggered Lagrangian hydrodynamics, bridging two well-established algorithms algorithms: high-order curvilinear finite element Lagrangian hydrodynamics [Dobrev et al. 2012] and compatible hydrodynamics methods[Caramana et al.1998]. We emphasizes the critical relationship between the degrees of freedom (DOFs) associated with the density variable and the choice of numerical quadrature rules which is employed in the mass conservation la…

Unveiling the entropic role of hydration water in SOD1 partitioning within FUS condensate
Luis Enrique Coronas, Stepan Timr, Fabio Sterpone, Giancarlo Franzese
https://arxiv.org/abs/2510.06037

Unveiling the entropic role of hydration water in SOD1 partitioning within FUS condensate
Biological processes like the sequestration of Superoxide Dismutase 1 (SOD1) into biomolecular condensates such as FUS and stress granules are essential to understanding disease mechanisms, including amyotrophic lateral sclerosis (ALS). Our study demonstrates that the hydration environment is crucial in these processes. Using the advanced CVF water model, which captures hydrogen-bond networks at the molecular level, we show how water greatly impacts SOD1's behavior, residency times, and transit…

Hydrodynamic Effects in Cryogenic Buffer Gas Cells: Design Insights from Hybrid Simulations
Nick Vogeley, Bernd Bauerhenne, Daqing Wang
https://arxiv.org/abs/2508.04364 https://…

Hydrodynamic Effects in Cryogenic Buffer Gas Cells: Design Insights from Hybrid Simulations
Cryogenic buffer gas beam sources have become an essential tool for experiments requiring cold molecular beams with low forward velocities. Although recent experimental advances have led to significant progress in source optimization, numerical studies remain limited due to the challenges posed by the large parameter ranges required to describe both the dense buffer gas and the dilute seed molecules. In this work, we report a numerical evaluation of cryogenic buffer gas beam cells operating in …

Coupled 1D Chemical Kinetic-Transport and 2D Hydrodynamic Modeling Supports a modest 1-1.5x Supersolar Oxygen Abundance in Jupiter's Atmosphere
Jeehyun Yang, Ali Hyder, Renyu Hu, Jonathan I. Lunine
https://arxiv.org/abs/2508.05007

Coupled 1D Chemical Kinetic-Transport and 2D Hydrodynamic Modeling Supports a modest 1-1.5x Supersolar Oxygen Abundance in Jupiter's Atmosphere
Understanding the deep atmospheric composition of Jupiter provides critical constraints on its formation and the chemical evolution of the solar nebula. In this study, we combine one-dimensional thermochemical kinetic-transport modeling with two-dimensional hydrodynamic simulations to constrain Jupiter's deep oxygen abundance using carbon monoxide (CO) as a proxy tracer. Leveraging a comprehensive chemical network generated by Reaction Mechanism Generator (RMG), we assess the impact of updated …

MEGATRON: Reproducing the Diversity of High-Redshift Galaxy Spectra with Cosmological Radiation Hydrodynamics Simulations
Harley Katz, Martin P. Rey, Corentin Cadiou, Oscar Agertz, Jeremy Blaizot, Alex J. Cameron, Nicholas Choustikov, Julien Devriendt, Uliana Hauk, Gareth C. Jones, Taysun Kimm, Isaac Laseter, Sergio Martin-Alvarez, Kosei Matsumoto, Autumn Pearce, Francisco Rodr\'iguez Montero, Joki Rosdahl, Mahsa Sanati, Aayush Saxena, Adrianne Slyz, Richard Stiskalek, Anatole Stor…

MEGATRON: Reproducing the Diversity of High-Redshift Galaxy Spectra with Cosmological Radiation Hydrodynamics Simulations
We present the MEGATRON suite of cosmological radiation hydrodynamics simulations following the formation of Milky Way-mass galaxies from the earliest cosmic epochs when Population III stars form to Cosmic Noon. The suite represents the first set of cosmological simulations that couples a vast non-equilibrium thermochemistry network of primordial species, metals, and molecules to multifrequency, on-the-fly radiation transport, allowing us to directly predict the spectral properties of early gal…

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statements dreamt up by the truly deranged

How hydrodynamic interactions alter polymer stretching in turbulence
Aditya Ganesh, Dario Vincenzi, Ranganathan Prabhakar, Jason R. Picardo
https://arxiv.org/abs/2509.05349 http…

How hydrodynamic interactions alter polymer stretching in turbulence
Hydrodynamic interactions (HI) between segments of a polymer have long been known to strongly affect polymer stretching in laminar viscometric flows. Yet the role of HI in fluctuating turbulent flows remains unclear. Using Brownian dynamics simulations, we examine the stretching dynamics of bead-spring chains with inter-bead HI, as they are transported in a homogeneous isotropic turbulent flow (within the ultra-dilute, one-way coupling regime). We find that HI-endowed chains exhibit a steeper c…

🇺🇦 #NowPlaying on KEXP's #MiddayShow
Black Sabbath:
🎵 Supernaut
#BlackSabbath
https://hydrahead.bandcamp.com/track/supernaut-black-sabbath
https://open.spotify.com/track/03qx2RKyfJ4gPXMYvYN8Pt

The use of open boundaries in stochastic hydrodynamic models of nucleation
James F. Lutsko
https://arxiv.org/abs/2508.05528 https://arxiv.org/pdf/2508.0552…

The use of open boundaries in stochastic hydrodynamic models of nucleation
Stochastic hydrodynamics is a central tool in the study of first order phase transitions at a fundamental level. Combined with sophisticated free energy models, e.g. as developed in classical Density Functional Theory, complex processes such as crystallization can be modeled and information such as free energy barriers, nucleation pathways and the unstable eigenvector and eigenvalues determined. The latter are particularly interesting as they play key roles in defining the natural (unbiased) or…