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We introduce JAX-LaB, a differentiable, Python-based Lattice Boltzmann simulation library designed for modeling multiphase and multiphysics fluid dynamics problems in hydrologic, geologic, and engineered porous media settings. The library…

Computational Physics · Physics 2025-11-18 Piyush Pradhan , Pierre Gentine , Shaina Kelly

Unified multi-model representation spaces are the foundation of multimodal understanding and generation. However, the billions of model parameters and catastrophic forgetting problems make it challenging to further enhance pre-trained…

Computer Vision and Pattern Recognition · Computer Science 2024-05-13 Zehan Wang , Ziang Zhang , Xize Cheng , Rongjie Huang , Luping Liu , Zhenhui Ye , Haifeng Huang , Yang Zhao , Tao Jin , Peng Gao , Zhou Zhao

We present StochasticPrograms.jl, a user-friendly and powerful open-source framework for stochastic programming written in the Julia language. The framework includes both modeling tools and structure-exploiting optimization algorithms.…

Optimization and Control · Mathematics 2022-09-07 Martin Biel , Mikael Johansson

Nonlinear mixed effects modeling is a powerful tool when analyzing data from several entities in an experiment. In this paper, we present NLMEModeling, a package for mixed effects modeling in Wolfram Mathematica. NLMEModeling supports mixed…

Computation · Statistics 2020-11-16 Jacob Leander , Joachim Almquist , Anna Johnning , Julia Larsson , Mats Jirstrand

The extraordinary aerial agility of hummingbirds and insects continues to inspire the design of flapping-wing drones. To replicate and analyze such flight, computational fluid dynamics (CFD) simulations that couple flow solvers with rigid…

In continuum thermodynamics, models of two-phase mixtures typically obey the condition of pressure equilibrium across interfaces between the phases. We propose a new non-equilibrium model beyond that condition, allowing for microinertia of…

Fluid Dynamics · Physics 2023-12-18 Ilya Peshkov , Evgeniy Romenski , Michal Pavelka

Neutral particles in the plasma edge of fusion devices based on magnetic confinement are described by a transient kinetic equation incorporating ionization, recombination, and charge-exchange collisions. In charge-exchange dominated…

Plasma Physics · Physics 2023-06-29 Vince Maes , Wouter Dekeyser , Julian Koellermeier , Martine Baelmans , Giovanni Samaey

Engineering composite materials and devices with desired topological properties is accelerating the development of topological physics and its applications. Approaches of realizing novel topological hybrids, including in-situ epitaxy…

Mesoscale and Nanoscale Physics · Physics 2020-10-06 G. -Y. Huang , B. Li , X. -F. Yi , J. -B. Fu , X. Fu , X. -G. Qiang , P. Xu , J. -J. Wu , C. -L. Yu , P. Kotetes , M. -T. Deng

Biological systems with intertwined feedback loops pose a challenge to mathematical modeling efforts. Moreover, rare events, such as mutation and extinction, complicate system dynamics. Stochastic simulation algorithms are useful in…

Quantitative Methods · Quantitative Biology 2018-12-10 Alfonso Landeros , Timothy Stutz , Kevin L. Keys , Alexander Alekseyenko , Janet S. Sinsheimer , Kenneth Lange , Mary Sehl

The study of the substructure of collimated particles from quarks and gluons, or jets, has the promise to reveal the details how color charges interact with the QCD plasma medium created in colliders such as RHIC and the LHC. Traditional…

Nuclear Theory · Physics 2018-10-05 Yue Shi Lai

This letter introduces DiffAero, a lightweight, GPU-accelerated, and fully differentiable simulation framework designed for efficient quadrotor control policy learning. DiffAero supports both environment-level and agent-level parallelism…

Robotics · Computer Science 2025-09-15 Xinhong Zhang , Runqing Wang , Yunfan Ren , Jian Sun , Hao Fang , Jie Chen , Gang Wang

Conventional electric power systems are composed of different unidirectional power flow stages of generation, transmission, and distribution, managed independently by transmission system and distribution system operators. However, as…

Systems and Control · Electrical Eng. & Systems 2022-11-01 Juan Ospina , David M. Fobes , Russell Bent , Andreas Wächter

Efficient accelerator modeling and particle tracking are key for the design and configuration of modern particle accelerators. In this work, we present JuTrack, a nested accelerator modeling package developed in the Julia programming…

Accelerator Physics · Physics 2024-12-30 Jinyu Wan , Helena Alamprese , Christian Ratcliff , Ji Qiang , Yue Hao

MacroEnergy.jl (aka Macro) is an open-source framework for multi-sector capacity expansion modeling and analysis of macro-energy systems. It is written in Julia and uses the JuMP package to interface with a wide range of mathematical…

Physics and Society · Physics 2025-10-28 Ruaridh Macdonald , Filippo Pecci , Luca Bonaldo , Jun Wen Law , Yu Weng , Dharik Mallapragada , Jesse Jenkins

Nvidia Jetson boards are powerful systems for executing artificial intelligence workloads in edge and mobile environments due to their effective GPU hardware and widely supported software stack. In addition to these benefits, Nvidia Jetson…

Hardware Architecture · Computer Science 2025-02-26 Basar Kutukcu , Sinan Xie , Sabur Baidya , Sujit Dey

Federated Learning (FL) offers a collaborative training framework, allowing multiple clients to contribute to a shared model without compromising data privacy. Due to the heterogeneous nature of local datasets, updated client models may…

Machine Learning · Computer Science 2023-11-14 Chia-Hsiang Kao , Yu-Chiang Frank Wang

Hierarchical optimization architectures are used in power systems to manage disturbances and phenomena that arise at multiple spatial and temporal scales. We present a graph modeling abstraction for representing such architectures and an…

Optimization and Control · Mathematics 2023-09-20 David L. Cole , Harsha Gangammanavar , Victor M. Zavala

We study interfaces with periodic boundary conditions in the low temperature phase of the improved Blume-Capel model on the simple cubic lattice. The interface free energy is defined by the difference of the free energy of a system with…

Statistical Mechanics · Physics 2017-09-28 Martin Hasenbusch

With the increased penetrations of distributed energy resources (DERs), the need for integrated transmission and distribution system analysis (T&D) is imperative. This paper presents an integrated unbalanced T&D analysis framework using an…

Systems and Control · Electrical Eng. & Systems 2020-07-15 Gayathri Krishnamoorthy , Anamika Dubey

We have implemented a control system for experiments in atomic, molecular and optical physics based on a commercial low-cost board, featuring a field-programmable gate array as part of a system-on-a-chip on which a Linux operating system is…

Atomic Physics · Physics 2021-10-20 Andreas Trenkwalder , Matteo Zaccanti , Nicola Poli