English
Related papers

Related papers: A Collision Probability Estimation Algorithm Used …

200 papers

We investigate the interaction between an eccentric planet and a less massive external debris disc. This scenario could occur after planet-planet scattering or merging events. We characterise the evolution over a wide range of initial…

Earth and Planetary Astrophysics · Physics 2015-06-22 Tim D. Pearce , Mark C. Wyatt

The evolution of the Hubble parameter $H(z)$ with redshift $z$ is estimated from the Pantheon+ data of Type Ia supernovae, for the $\Lambda$CDM model and the three special cases of the eternal coasting (EC) cosmological model with three…

Cosmology and Nongalactic Astrophysics · Physics 2024-12-23 Ardra Edathandel Sasi , Moncy Vilavinal John

As a complement to experimental and theoretical approaches, numerical modeling has become an important component to study asteroid collisions and impact processes. In the last decade, there have been significant advances in both…

Earth and Planetary Astrophysics · Physics 2019-08-07 Martin Jutzi , Keith Holsapple , Kai Wünneman , Patrick Michel

After providing a brief historical overview on the synergies between artificial intelligence research, in the areas of evolutionary computations and machine learning, and the optimal design of interplanetary trajectories, we propose and…

Neural and Evolutionary Computing · Computer Science 2018-10-01 Dario Izzo , Christopher Sprague , Dharmesh Tailor

Dynamical simulations are a fundamental tool for studying the secular evolution of disc galaxies. Even at their maximum resolution, they still follow a limited number of particles and typically resolve scales of the order of a few tens of…

Astrophysics of Galaxies · Physics 2015-06-17 Francesca Iannuzzi , E. Athanassoula

In this lecture I discuss jet-shape distributions and describe how from jet evolution one may design Monte Carlo simulations which are used in the analysis of short distance distributions in $\ee$-annihilation, lepton-hadron and…

High Energy Physics - Phenomenology · Physics 2007-05-23 Giuseppe Marchesini

Solutions exhibiting weak initial singularities arise in various equations, including diffusion and subdiffusion equations. When employing the well-known L1 scheme to solve subdiffusion equations with weak singularities, numerical…

Numerical Analysis · Mathematics 2024-02-06 Jiwei Zhang , Zhimin Zhang , Chengchao Zhao

A complete cosmological evolution model of the classical scalar field with a Higgs potential is studied and simulated on a computer without the assumption that the Hubble constant is nonnegative. It is shown that with most initial…

General Relativity and Quantum Cosmology · Physics 2021-11-03 Yu. G. Ignat'ev , A. R. Samigullina

We introduce a new Monte Carlo model based on a semi-empirical sputter yield parameter in ion-solid energetic collisions. This model circumvents the complexity of the existing statistical, classical and continuum models, most of which are…

Materials Science · Physics 2015-12-01 Emmanuel Oyewande

We consider several patchy particle models that have been proposed in literature and we investigate their candidate crystal structures in a systematic way. We compare two different algorithms for predicting crystal structures: (i) an…

Computational Physics · Physics 2015-06-05 Emanuela Bianchi , Guenther Doppelbauer , Laura Filion , Marjolein Dijkstra , Gerhard Kahl

A precise quantification of the medium-modification of the high transverse momenta jets in relativistic heavy ion collisions rely on consistent modelling of elastic and inelastic energy loss suffered by the jet and the concurrent underlying…

Nuclear Theory · Physics 2025-05-06 Monideepa Maity , Subrata Pal

We report on a very large set of simulations of collisions between two main sequence (MS) stars. These computations were done with the ``Smoothed Particle Hydrodynamics'' method. Realistic stellar structure models for evolved MS stars were…

Astrophysics · Physics 2009-11-10 Marc Freitag , Willy Benz

1. Challenging calibration of complex models can be approached by using prior knowledge on the parameters. However, the natural choice of Bayesian inference can be computationally heavy when relying on Markov Chain Monte Carlo (MCMC)…

Applications · Statistics 2023-04-27 Charlotte Baey , Henrik G. Smith , Maj Rundlöf , Ola Olsson , Yann Clough , Ullrika Sahlin

Offline evolutionary-based methodologies have supplied a successful motion planning framework for the quadrupedal jump. However, the time-consuming computation caused by massive population evolution in offline evolutionary-based jumping…

Robotics · Computer Science 2023-09-15 Linzhu Yue , Zhitao Song , Hongbo Zhang , Xuanqi Zeng , Lingwei Zhang , Yun-Hui Liu

In survival analysis, cure models have gained much importance due to rapid advancements in medical sciences. More recently, a subset of cure models, called destructive cure models, have been studied extensively under competing risks…

Methodology · Statistics 2021-09-20 Narayanaswamy Balakrishnan , Sandip Barui

Many debris discs reveal a two-component structure, with an outer Kuiper-belt analogue and a warm inner component whose origin is still a matter of debate. One possibility is that warm emission stems from an "asteroid belt" closer in to the…

Earth and Planetary Astrophysics · Physics 2016-07-27 Christian Schüppler , Alexander V. Krivov , Torsten Löhne , Mark Booth , Florian Kirchschlager , Sebastian Wolf

The first attempt at developing a fully self-consistent code coupling dynamics and collisions to study debris discs (Kral, Thebault, Charnoz, 2013) is presented. So far, these two crucial mechanisms were studied separately, with N-body and…

Earth and Planetary Astrophysics · Physics 2015-06-16 Q. Kral , P. Thebault , S. Charnoz

We present results from a hybrid description of Cu+Cu collisions using 3+1 dimensional hydrodynamics (MUSIC) for the bulk evolution and a Monte-Carlo simulation (MARTINI) for the evolution of high momentum partons in the hydrodynamical…

High Energy Physics - Phenomenology · Physics 2011-05-05 Bjoern Schenke , Sangyong Jeon , Charles Gale

The design space for inertial confinement fusion (ICF) experiments is vast and experiments are extremely expensive. Researchers rely heavily on computer simulations to explore the design space in search of high-performing implosions.…

Machine Learning · Computer Science 2021-05-19 K. D. Humbird , J. L. Peterson , J. Salmonson , B. K. Spears

Space debris is a major problem in space exploration. International bodies continuously monitor a large database of orbiting objects and emit warnings in the form of conjunction data messages. An important question for satellite operators…

Machine Learning · Statistics 2023-03-28 Francisco Caldas , Cláudia Soares , Cláudia Nunes , Marta Guimarães
‹ Prev 1 8 9 10 Next ›