Timing of Martian Core Formation from Models of Hf–W Evolution Coupled with N-body Simulations
Sign Up to like & getrecommendations! Published in 2021 at "Geochimica et Cosmochimica Acta"
DOI: 10.1016/j.gca.2021.09.022
Abstract: Abstract Determining how and when Mars formed has been a long-standing challenge for planetary scientists. The size and orbit of Mars are difficult to reproduce in classical simulations of planetary accretion, and this has inspired… read more here.
Keywords: core formation; evolution; body simulations; martian core ... See more keywords
Fully relativistic treatment of light neutrinos in N-body simulations
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Cosmology and Astroparticle Physics"
DOI: 10.1088/1475-7516/2019/03/022
Abstract: Cosmological $N$-body simulations are typically purely run with particles using Newtonian equations of motion. However, such simulations can be made fully consistent with general relativity using a well-defined prescription. Here, we extend the formalism previously… read more here.
Keywords: fully relativistic; body simulations; treatment light; light neutrinos ... See more keywords
Momentum space sampling of neutrinos in N-body simulations
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Cosmology and Astroparticle Physics"
DOI: 10.1088/1475-7516/2019/03/047
Abstract: Including massive neutrinos in $N$-body simulations is a challenging task due to the large thermal velocities of the neutrinos. In particle based codes this leads to problems of shot-noise due to insufficient sampling of the… read more here.
Keywords: body simulations; momentum space; neutrino; neutrinos body ... See more keywords
The effect of early radiation in N-body simulations of cosmic structure formation
Sign Up to like & getrecommendations! Published in 2017 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stx1157
Abstract: Newtonian N-body simulations have been employed successfully over the past decades for the simulation of the cosmological large-scale structure. Such simulations usually ignore radiation perturbations (photons and massless neutrinos) and the impact of general relativity… read more here.
Keywords: body simulations; early radiation; structure; effect early ... See more keywords
Testing a quintessence model with Yukawa interaction from cosmological observations and N-body simulations
Sign Up to like & getrecommendations! Published in 2019 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stz2028
Abstract: We consider a quintessence model with Yukawa interaction between dark energy and dark matter and constrain this model by employing the recent cosmological data including the updated cosmic microwave background (CMB) measurements from Planck 2015,… read more here.
Keywords: quintessence model; yukawa interaction; body simulations; interaction ... See more keywords
Painting with baryons: augmenting N-body simulations with gas using deep generative models
Sign Up to like & getrecommendations! Published in 2019 at "Monthly Notices of the Royal Astronomical Society: Letters"
DOI: 10.1093/mnrasl/slz075
Abstract: Running hydrodynamical simulations to produce mock data of large-scale structure and baryonic probes, such as the thermal Sunyaev-Zeldovich (tSZ) effect, at cosmological scales is computationally challenging. We propose to leverage the expressive power of deep… read more here.
Keywords: body simulations; tsz effect; gas; generative models ... See more keywords
Differentiable Depth for Real2Sim Calibration of Soft Body Simulations
Sign Up to like & getrecommendations! Published in 2022 at "Computer Graphics Forum"
DOI: 10.1111/cgf.14720
Abstract: In this work, we present a novel approach for calibrating material model parameters for soft body simulations using real data. We use a fully differentiable pipeline, combining a differentiable soft body simulator and differentiable depth… read more here.
Keywords: differentiable depth; soft body; real2sim calibration; body simulations ... See more keywords
Tolerable longitudinal forces for freight trains in tight S-curves using three-dimensional multi-body simulations
Sign Up to like & getrecommendations! Published in 2019 at "Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit"
DOI: 10.1177/0954409719841794
Abstract: With the need for increasing length of freight trains, the longitudinal train dynamics and its influence on the running safety become a key issue. Longitudinal train dynamics is a complex issue with contributions from both… read more here.
Keywords: three dimensional; methodology; dimensional multi; body simulations ... See more keywords