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With the growth of available computational resource, CFD-DEM (computational fluid dynamics-discrete element method) becomes an increasingly promising and feasible approach for the study of sediment transport. Several existing CFD-DEM…

Fluid Dynamics · Physics 2016-03-23 Rui Sun , Heng Xiao

In this paper, we present a novel general framework grounded in the factor graph theory to solve kinematic and dynamic problems for multi-body systems. Although the motion of multi-body systems is considered to be a well-studied problem and…

Robotics · Computer Science 2021-07-27 José-Luis Blanco-Claraco , Antonio Leanza , Giulio Reina

One-step generative modeling seeks to generate high-quality data samples in a single function evaluation, significantly improving efficiency over traditional diffusion or flow-based models. In this work, we introduce Modular MeanFlow (MMF),…

Machine Learning · Computer Science 2025-08-26 Haochen You , Baojing Liu , Hongyang He

Simulated images are essential in algorithm development and instrument testing for optical telescopes. During real observations, images obtained by optical telescopes are affected by spatially variable point spread functions (PSFs), a…

Instrumentation and Methods for Astrophysics · Physics 2025-02-17 Zeyu Bai , Peng Jia , Jiameng Lv , Xiang Zhang , Wennan Xiang , Lin Nie

The widespread success of pre-trained language models has established a new training paradigm, where a global PLM is fine-tuned using task-specific data from local clients. The local data are highly different from each other and can not…

Computation and Language · Computer Science 2025-08-29 Jiahao Xiao , Jiangming Liu

We introduce a pipeline for representing a protein, or protein complex, as the union of signed distance functions (SDFs) by representing each atom as a sphere with the appropriate radius. While this idea has been used previously as a way to…

Biomolecules · Quantitative Biology 2025-08-19 Cory B. Scott , Charlie Rothschild , Benjamin Nye

We introduce StreamDiffusion, a real-time diffusion pipeline designed for interactive image generation. Existing diffusion models are adept at creating images from text or image prompts, yet they often fall short in real-time interaction.…

Computer Vision and Pattern Recognition · Computer Science 2025-07-09 Akio Kodaira , Chenfeng Xu , Toshiki Hazama , Takanori Yoshimoto , Kohei Ohno , Shogo Mitsuhori , Soichi Sugano , Hanying Cho , Zhijian Liu , Masayoshi Tomizuka , Kurt Keutzer

Cosmological $N$-body simulations play a vital role in studying models for the evolution of the Universe. To compare to observations and make a scientific inference, statistic analysis on large simulation datasets, e.g., finding halos,…

Instrumentation and Methods for Astrophysics · Physics 2018-05-07 Nikita Ivkin , Zaoxing Liu , Lin F. Yang , Srinivas Suresh Kumar , Gerard Lemson , Mark Neyrinck , Alexander S. Szalay , Vladimir Braverman , Tamas Budavari

As more and more devices connect to Internet of Things, unbounded streams of data will be generated, which have to be processed "on the fly" in order to trigger automated actions and deliver real-time services. Spark Streaming is a popular…

Distributed, Parallel, and Cluster Computing · Computer Science 2018-09-12 Jia-Chun Lin , Ming-Chang Lee , Ingrid Chieh Yu , Einar Broch Johnsen

We have developed an open-source software package (SedSimple) for stratigraphic forward modeling. It is aimed for use in research and education. The package uses ASCII files for input and output to facilitate understanding, debugging and…

Geophysics · Physics 2023-02-13 Daniel Tetzlaff

This paper presents NEUROSPF, a tool for the symbolic analysis of neural networks. Given a trained neural network model, the tool extracts the architecture and model parameters and translates them into a Java representation that is amenable…

Machine Learning · Computer Science 2021-03-02 Muhammad Usman , Yannic Noller , Corina Pasareanu , Youcheng Sun , Divya Gopinath

To increase performance and efficiency, systems use FPGAs as reconfigurable accelerators. A key challenge in designing these systems is partitioning computation between processors and an FPGA. An appropriate division of labor may be…

Hardware Architecture · Computer Science 2021-07-21 Endri Bezati , Mahyar Emami , Jörn Janneck , James Larus

Understanding user intent is essential for situational and context-aware decision-making. Motivated by a real-world scenario, this work addresses intent predictions of smart device users in the vicinity of vehicles by modeling sequential…

Human motion synthesis is an important task in computer graphics and computer vision. While focusing on various conditioning signals such as text, action class, or audio to guide the generation process, most existing methods utilize…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Kebing Xue , Hyewon Seo

Molecular dynamics simulations are an essential tool in understanding protein structure, dynamics, and function at the atomic level. However, preparing high quality input files for MD simulations can be a time consuming and error prone…

Computation and Language · Computer Science 2025-07-11 Achuth Chandrasekhar , Amir Barati Farimani

Pore forming toxins (PFTs) are virulent proteins released by several species, including many strains of bacteria, to attack and kill host cells. In this article, we focus on the utility of molecular dynamics (MD) simulations and the…

Soft Condensed Matter · Physics 2021-08-17 Rajat Desikan , Amit Behera , Prabal K. Maiti , K. Ganapathy Ayappa

Smoothed Dissipative Particle Dynamics (SDPD) is a mesoscopic particle method which allows to select the level of resolution at which a fluid is simulated. The numerical integration of its equations of motion still suffers from the lack of…

Statistical Mechanics · Physics 2017-10-25 Gérôme Faure , Gabriel Stoltz

Restricted three-body codes have a proven ability to recreate much of the disturbed morphology of actual interacting galaxies. As more sophisticated n-body models were developed and computer speed increased, restricted three-body codes fell…

Astrophysics of Galaxies · Physics 2016-04-15 John Wallin , Anthony Holincheck , Allen Harvey

Swim extends the actor model to support applications composed of linked distributed actors that continuously analyze boundless streams of events from millions of sources, to respond in-sync with the real-world. Swim builds a running…

Distributed, Parallel, and Cluster Computing · Computer Science 2022-05-24 Chris Sachs , Ajay Govindarajan , Simon Crosby

Particle-Mesh (PM) codes are still very useful tools for testing predictions of cosmological models in cases when extra high resolution is not very important. We release for public use a cosmological PM N-body code. We provide a complete…

Astrophysics · Physics 2007-05-23 Anatoly Klypin , Jon Holtzman