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Related papers: Convergence properties of detonation simulations

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A comprehensive model for explaining scintillation yield in liquid xenon is introduced. We unify various definitions of work function which abound in the literature and incorporate all available data on electron recoil scintillation yield.…

Instrumentation and Detectors · Physics 2017-02-20 M. Szydagis , N. Barry , K. Kazkaz , J. Mock , D. Stolp , M. Sweany , M. Tripathi , S. Uvarov , N. Walsh , M. Woods

In the present work we have analyzed the transverse momentum spectra of charged particles in high multiplicity $pp$ collisions at LHC energies $\sqrt s $ = 5.02 and 13 TeV using the Color String Percolation Model (CSPM). For heavy ions…

Nuclear Experiment · Physics 2026-01-09 B. K. Srivastava , R. P. Scharenberg , C. Pajares

Accurate modeling of sea ice dynamics is critical for predicting environmental variables and is important in applications such as navigating ice breaker ships. Research for both modeling and simulating sea ice dynamics is ongoing, with the…

Numerical Analysis · Mathematics 2023-05-24 Tongtong Li , Anne Gelb , Yoonsang Lee

A brief introduction of the relationship of string percolation to the Quantum Chromo Dynamics (QCD) phase diagram is presented. The behavior of the Polyakov loop close to the critical temperature is studied in terms of the color fields…

Nuclear Theory · Physics 2015-12-22 M. A. Braun , J. Dias de Deus , A. S. Hirsch , C. Pajares , R. P. Scharenberg , B. K. Srivastava

The shock response of two-dimensional model high explosive crystals with various arrangements of circular voids is explored. We simulate a piston impact using molecular dynamics simulations with a Reactive Empirical Bond Order (REBO) model…

Materials Science · Physics 2010-12-16 S. Davis Herring , Timothy C. Germann , Niels Grønbech-Jensen

Full-dimensional (12D) vibrational states of the methanol molecule (CH$_3$OH) have been computed using the GENIUSH-Smolyak approach and the potential energy surface from Qu and Bowman (2013). All vibrational energies are converged better…

Chemical Physics · Physics 2024-09-05 Ayaki Sunaga , Gustavo Avila , Edit Matyus

Steady state simulations} of magnetized electron fluid equations with strong anisotropic diffusion based on the first-order hyperbolic approach is carried out using cell-centered higher order upwind schemes, linear and weighted essentially…

Computational Physics · Physics 2019-03-14 Amareshwara Sainadh Chamarthi , Kimiya Komurasaki , Rei Kawashima

Two-dimensional simulations are conducted to investigate the direct initiation of cylindrical detonation in hydrogen/air mixtures with detailed chemistry. The effects of hotspot condition and mixture composition gradient on detonation…

Fluid Dynamics · Physics 2023-01-23 Xiongbin Jia , Yong Xu , Hongtao Zheng , Huangwei Zhang

A detailed numerical study on the phenomenon of Shock Wave focusing in air is carried out. The focusing phenomenon is achieved with the help of a shock tube and a converging section attached to it. The planar shock generated inside the…

Fluid Dynamics · Physics 2022-03-03 Saranyamol V. S. , Soumya Ranjan Nanda , Mohammed Ibrahim S

This paper deals with a new fifth-order weighted essentially non-oscillatory (WENO) scheme improving the WENO-NS and WENO-P methods which are introduced in Ha et al. J. Comput. Phys. (2013) and Kim et al., J. Sci. Comput. (2016)…

Numerical Analysis · Mathematics 2023-03-30 Samala Rathan , G Naga Raju

Experimental results for the reflection coefficient of shock-compressed dense Xenon plasmas at pressures of 1.6 - 17 GPa and temperatures around 30 000 K using a laser beam with \lambda = 1.06 10^-6 m are compared with calculations based on…

Plasma Physics · Physics 2009-11-07 H. Reinholz , G. Roepke , A. Wierling , V. Mintsev , V. Gryaznov

The compact scheme has high order accuracy and high resolution, but cannot be used to capture the shock. WENO is a great scheme for shock capturing, but is too dissipative for turbulence and small length scales. We developed a modified…

Computational Physics · Physics 2014-02-25 Huankun Fu , Ping Lu , Chaoqun Liu

By direct hydrodynamic simulation, using the Piecewise Parabolic Method (PPM) code PROMETHEUS, we study the properties of a convective oxygen burning shell in a SN 1987A progenitor star prior to collapse. The convection is too heterogeneous…

Astrophysics · Physics 2009-10-30 Grant Bazán , David Arnett

We revisit the problem of computing the boundary density profile of a droplet of two-dimensional one-component plasma (2D OCP) with logarithmic interaction between particles in a confining harmonic potential. At a sufficiently low…

Statistical Mechanics · Physics 2020-12-30 Gabriel Cardoso , Jean-Marie Stéphan , Alexander G. Abanov

Two-dimensional numerical simulations with Eulerian-Lagrangian method are conducted to study propagation and extinction of stoichiometric hydrogen/air detonations in fine water sprays. Parameterized by water mass loading and initial droplet…

Fluid Dynamics · Physics 2021-12-08 Yong Xu , Majie Zhao , Huangwei Zhang

The attenuation and quenching of H$_2$/O$_2$ detonations transmitted across a column of cylinders were studied experimentally and analytically at sub-atmospheric pressures. Two distinct transmission regimes were observed: successful…

Fluid Dynamics · Physics 2024-01-18 Hongxia Yang , Wentian Wang , Farzane Zangane , Kevin Cheevers , Logan Maley , Matei Radulescu

We describe a newly developed cosmological hydrodynamics code based on the weighted essentially non-oscillatory (WENO) schemes for hyperbolic conservation laws. High order finite difference WENO schemes are designed for problems with…

Astrophysics · Physics 2007-05-23 Long-Long Feng , Chi-Wang Shu , Meng-Ping Zhang

This work covers the effect of droplet deformation on its evaporation rate under convective flow conditions. The evaporation behavior of a freely deforming droplet of single component jet fuel surrogate, n-decane, is investigated by varying…

Fluid Dynamics · Physics 2023-08-02 Meha Setiya , John Palmore

We carry out simulations of gravitationally unstable discs using a Smoothed Particle Hydrodynamics (SPH) code and a grid-based hydrodynamics code, FARGO, to understand the previous non-convergent results reported by Meru & Bate (2011a). We…

Earth and Planetary Astrophysics · Physics 2015-06-11 Farzana Meru , Matthew R. Bate

We carry out simulations of gravitationally unstable disks using smoothed particle hydrodynamics(SPH) and the novel Lagrangian meshless finite mass (MFM) scheme in the GIZMO code (Hopkins 2015). Our aim is to understand the cause of the…

Earth and Planetary Astrophysics · Physics 2017-11-10 Hongping Deng , Lucio Mayer , Farzana Meru