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A thermodynamically consistent particle-based model for fluid dynamics with continuous velocities and a non-ideal equation of state is presented. Excluded volume interactions are modeled by means of biased stochastic multiparticle…

软凝聚态物质 · 物理学 2009-11-11 Thomas Ihle , Erkan Tuzel , Daniel M. Kroll

The thermodynamics of pairing phase-transition in nuclei is studied in the canonical ensemble and treating the pairing correlations in a finite-temperature variation after projection BCS approach (FT-VAP). Due to the restoration of particle…

核理论 · 物理学 2013-10-30 Danilo Gambacurta , Denis Lacroix , Nicu Sandulescu

Emergent hydrodynamics (EHD) bridges short-time unitarity with late-time thermodynamics, universal transport phenomena characterize the manner and speed of transport and thermalization. Typical non-integrable systems with few conserved…

无序系统与神经网络 · 物理学 2025-10-23 Andrew Stasiuk , Garrett Heller , Lance Berkey , Bo Xing , Paola Cappellaro

We propose a thermodynamically consistent phase-field model for the flow of a mixture of two different viscous incompressible fluids of equal density in a bounded domain. We prove the well-posedness of local-in-time strong solutions by…

偏微分方程分析 · 数学 2025-11-18 Helmut Abels , Alice Marveggio , Andrea Poiatti

Searching for ambient-pressure conventional superconductors with critical temperatures (TC) higher than 40 K is a key challenge in the field of high-temperature superconductivity, mainly due to lack of efficient and effective models to…

超导电性 · 物理学 2025-11-26 Yuting Sun , Shixu Liu , Xin-Gao Gong , Ji-Hui Yang

The interface between liquid water and the Pt(111) metal surface is characterized structurally and thermodynamically via reactive molecular dynamics (MD) simulations within the ReaxFF framework. The formation of a distinct buckled adsorbate…

化学物理 · 物理学 2021-03-19 Christoph Karsten Jung , Laura Braunwarth , Andrey Sinyavskiy , Timo Jacob

In the paper, we study the thermodynamic and electromagnetic properties of the Penson-Kolb (PK) model, i.e., the tight-binding model for fermionic particles with the pair-hopping interaction $J$. We focus on the case of repulsive $J$ (i.e.,…

超导电性 · 物理学 2021-11-05 Wojciech R. Czart , Konrad J. Kapcia , Roman Micnas , Stanisław Robaszkiewicz

A numerical investigation of flat fan sprays is conducted via Direct Numerical Simulations (DNS). Diverging liquid sheets are generated using tailored initial velocity profiles, where the opening angle serves as an explicit control…

流体动力学 · 物理学 2025-10-23 Longxiang Huang , Benjamin Duret , François-Xavier Demoulin

This paper focuses on solving coupled problems of lumped parameter models. Such problems are of interest for the simulation of severe accidents in nuclear reactors~: these coarse-grained models allow for fast calculations for statistical…

计算工程、金融与科学 · 计算机科学 2018-12-27 Louis Viot , Laurent Saas , Florian De Vuyst

A thermodynamically consistent phase-field model is introduced for simulating multicellular deformation, and aggregation under flow conditions. In particular, a Lennard-Jones type potential is proposed under the phase-field framework for…

数值分析 · 数学 2022-05-17 Lingyue Shen , Ping Lin , Zhiliang Xu , Shixin Xu

We present a modular and thermodynamically consistent modeling framework for simulating steady-state and transient behavior in fixed-bed reactors. Accurate simulation of dynamic reactor behavior is essential for enabling flexible operation…

动力系统 · 数学 2026-04-27 Marcus Johan Schytt , John Bagterp Jørgensen

In this paper we formulate and analyze an elementary model for the propagation of advancing autoignition fronts in reactive co-flow fuel/oxidizer jets injected into an aqueous environment at high pressure. This work is motivated by the…

流体动力学 · 物理学 2024-02-27 Amanda Matson , Michael C. Hicks , Uday G. Hegde , Peter V. Gordon

Many popular methods for the calculation of chemical potentials rely on the insertion of test particles into the target system. In the case of liquids and liquid mixtures, this procedure increases in difficulty upon increasing density or…

软凝聚态物质 · 物理学 2018-02-23 Maziar Heidari , Kurt Kremer , Robinson Cortes-Huerto , Raffaello Potestio

Using ab initio thermodynamics, the stability of a wide range of hydrocarbon adsorbates under various chemical vapor deposition (CVD) conditions (temperature, methane and hydrogen pressures) used in experimental graphene growth protocols at…

材料科学 · 物理学 2019-06-14 Mie Andersen , Juan Santiago Cingolani , Karsten Reuter

The study investigates detonations with multiple quasi-steady velocities that have been observed in the past in systems with multi-peaked thermicity, using Fickett's detonation analogue. A steady state analysis of the travelling wave…

流体动力学 · 物理学 2020-01-07 S. SM. Lau-Chapdelaine , F. Zhang , M. I. Radulescu

Dense particle suspensions are promising candidates for next-generation Concentrated Solar Power (CSP) receivers, enabling operating temperatures above 800 degrees C. However, accurate modeling of the rheological behavior of granular flows…

流体动力学 · 物理学 2025-07-01 Raphael Münster , Otto Mierka , Dmitri Kuzmin , Stefan Turek

Modern diesel engines temporarily use a very late post-injection in the combustion cycle to either generate heat for a diesel particulate filter regeneration or purge a lean NOx trap. In some configurations, unburned fuel is left at the…

流体动力学 · 物理学 2024-09-24 Patrick Antony , Norbert Hosters , Marek Behr , Anselm Hopf , Frank Krämer , Carsten Weber , Paul Turner

We report the temperature, pressure and composition dependence of some basic properties of model liquid water-methanol mixtures. For this purpose the isobaric-isothermal molecular dynamics computer simulations are employed. Our principal…

软凝聚态物质 · 物理学 2025-04-01 M. Cruz Sanchez , V. Trejos Montoya , O. Pizio

This study presents a geometric deep learning framework for predicting cold spray particle impact responses using finite element simulation data. A parametric dataset was generated through automated Abaqus simulations spanning a systematic…

机器学习 · 计算机科学 2026-03-17 Akshansh Mishra

Accurate determination of the equation of state of dense hydrogen is essential for understanding gas giants. Currently, there is still no consensus on methods for calculating its entropy, which play a fundamental role and can result in…

地球与行星天体物理 · 物理学 2025-08-12 Hao Xie , Saburo Howard , Guglielmo Mazzola
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