English
Related papers

Related papers: Shallow cumulus convection over land in cloud-reso…

200 papers

Ray tracing is a widely used deterministic method for radio propagation simulations, capable of producing physically accurate multipath components. The accuracy depends on the quality of the environment model and its electromagnetic…

Signal Processing · Electrical Eng. & Systems 2025-07-08 Niklas Vaara , Pekka Sangi , Miguel Bordallo López , Janne Heikkilä

Cloud is critical for planetary climate and habitability, but it is also one of the most challenging parts of studying planets in and beyond the solar system. Here we use a cloud-resolving model (CRM) with high resolution (2 km) in a…

Earth and Planetary Astrophysics · Physics 2022-08-17 Qiyu Song , Jun Yang , Hang Luo , Cheng Li , Shizuo Fu

We introduce a novel distributed rendering approach to generate high-quality graphics in thin-client games and VR applications. Many mobile devices have limited computational power to achieve ray tracing in real-time. Hence,…

Graphics · Computer Science 2022-10-12 Yu Wei Tan , Louiz Kim-Chan , Anthony Halim , Anand Bhojan

We adopted an unstructured hydrodynamical solver CharLES to the problem of global convection in the Sun. With the aim to investigate the properties of solar turbulent convection and reproduce differential rotation pattern. We performed…

Solar and Stellar Astrophysics · Physics 2014-12-24 Vyacheslav Olshevsky , Chunlei Liang , Frank Ham

Recent results from high-resolution solar granulation observations indicate the existence of a population of small granular cells that are smaller than 600 km in diameter. These small convective cells strongly contribute to the total area…

Solar and Stellar Astrophysics · Physics 2015-05-05 B. Lemmerer , D. Utz , A. Hanslmeier , A. Veronig , S. Thonhofer , H. Grimm-Strele , R. Kariyappa

Idealized convection-permitting simulations of radiative-convective equilibrium (RCE) have become a popular tool for understanding the physical processes leading to horizontal variability of tropical water vapor and rainfall. However, the…

Atmospheric and Oceanic Physics · Physics 2019-09-19 Tom Beucler , Tristan Abbott , Timothy Cronin , Michael Pritchard

Interactions between clouds and radiation are at the root of many difficulties in numerically predicting future weather and climate and in retrieving the state of the atmosphere from remote sensing observations. The large range of issues…

The differential rotation of the sun, as deduced from helioseismology, exhibits a prominent radial shear layer near the top of the convection zone wherein negative radial gradients of angular velocity are evident in the low- and…

Astrophysics · Physics 2009-11-07 M. L. DeRosa , P. A. Gilman , J. Toomre

Determining the behaviour of convection and clouds is one of the biggest challenges in our understanding of exoplanetary climates. Given the lack of in situ observations, one of the most preferable approaches is to use cloud-resolving or…

Earth and Planetary Astrophysics · Physics 2023-06-22 Jun Yang , Yixiao Zhang , Zuntao Fu , Mingyu Yan , Xinyi Song , Mengyu Wei , Jiachen Liu , Feng Ding , Zhihong Tan

We propose a methodology for lidar super-resolution with ground vehicles driving on roadways, which relies completely on a driving simulator to enhance, via deep learning, the apparent resolution of a physical lidar. To increase the…

Robotics · Computer Science 2020-04-14 Tixiao Shan , Jinkun Wang , Fanfei Chen , Paul Szenher , Brendan Englot

A large fraction of known terrestrial-size exoplanets located in the Habitable Zone of M-dwarfs are expected to be tidally-locked. Numerous efforts have been conducted to study the climate of such planets, using in particular 3-D Global…

Earth and Planetary Astrophysics · Physics 2021-06-09 Maxence Lefèvre , Martin Turbet , Raymond Pierrehumbert

In this study, we employ a cloud-resolving model (CRM) to investigate how gravity influences convection and clouds in a small-domain (96 km by 96 km) radiative-convective equilibrium (RCE). Our experiments are performed with a horizontal…

Earth and Planetary Astrophysics · Physics 2023-02-22 Jiachen Liu , Jun Yang , Yixiao Zhang , Zhihong Tan

Particle-based representations of radiance fields such as 3D Gaussian Splatting have found great success for reconstructing and re-rendering of complex scenes. Most existing methods render particles via rasterization, projecting them to…

Turbulent convection processes in nature are often found to be organized in a hierarchy of plume structures and flow patterns. The gradual aggregation of convection cells or granules to a supergranule which eventually fills the whole…

Fluid Dynamics · Physics 2021-03-16 Philipp P. Vieweg , Janet D. Scheel , Jörg Schumacher

For emerging applications of hybrid pixel detectors which require high spatial resolution, e.g., subpixel interpolation in X-ray imaging and deep learning-based electron localization, accurate modeling of charge transport processes in the…

The high computational expense of simulating light through ray-tracing in large, sparsely instrumented particle detectors such as IceCube and Antares is a critical outstanding problem in particle physics. When the detector is sparsely…

High Energy Physics - Experiment · Physics 2018-11-13 Gabriel H. Collin

To enhance the spatial resolution of the M\"ONCH 25 \textmu m pitch hybrid pixel detector, deep learning models have been trained using both simulation and measurement data. Challenges arise when comparing simulation-based deep learning…

We describe a novel adaptive ray tracing scheme to solve the equation of radiative transfer around point sources in hydrodynamical simulations. The angular resolution adapts to the local hydrodynamical resolution and hence is of use for…

Astrophysics · Physics 2009-11-07 Tom Abel , Benjamin D. Wandelt

Fully understanding performance is a growing challenge when building next-generation cloud systems. Often these systems build on next-generation hardware, and evaluation in realistic physical testbeds is out of reach. Even when physical…

Performance · Computer Science 2024-08-13 Jakob Görgen , Vaastav Anand , Hejing Li , Jialin Li , Antoine Kaufmann

A Monte Carlo simulation has been performed to track light rays in cylindrical multimode fibres by ray optics. The trapping efficiencies for skew and meridional rays in active fibres and distributions of characteristic quantities for all…

Nuclear Experiment · Physics 2015-06-26 Patrick Achenbach , John H Cobb
‹ Prev 1 2 3 10 Next ›