fluid-dynamics

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#fluid-dynamics

Complementary, Not Cumulative: Interaction Effects in Physics-Informed Neural Networks for Navier-Stokes Vortex Shedding

arXiv cs.LG · 15h ago Cached

This study systematically evaluates physics-informed neural network techniques for fluid dynamics, showing that combining periodic activations with causal weighting improves performance on the Navier-Stokes vortex shedding benchmark, while further additions cause degradation due to nonlinear interactions.

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#fluid-dynamics

Looking for 1 teammate — RealPDE Competition (NeurIPS 2026)[D]

Reddit r/MachineLearning · 2d ago

An individual is seeking a teammate with ML background for the RealPDE Competition at NeurIPS 2026, focusing on Sim2Real and LTTTA tracks with real fluid dynamics data. The registration deadline is August 20.

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#fluid-dynamics

Theory of Fluids Enters the 21st Century

Hacker News Top · 4d ago Cached

Physicists have advanced fluid theory by developing a new approach based on symmetries, extending beyond the Navier-Stokes equations and incorporating microscopic particle behaviors.

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#fluid-dynamics

From Fixed Grids to Moving Particles:A Transferable Latent Operator for Fluid Dynamics

arXiv cs.LG · 4d ago Cached

This paper proposes the Transferable Latent Operator (TLO) for fluid dynamics, enabling zero-shot generalization from Eulerian field prediction to Lagrangian particle rollout without Lagrangian supervision.

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#fluid-dynamics

Show HN: Fixing optical computing jitter via fluid dynamics in GPU registers

Hacker News Top · 2026-08-09 Cached

This repository presents a proof of concept for a hardware-native optical timing-frozen control plane engine that uses fluid dynamics modeling in GPU registers to reduce jitter in optical data centers for distributed AI architectures.

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#fluid-dynamics

Adaptive Quantum Physics-Informed Neural Networks for Differential Equations with Applications to Fluid Dynamics

arXiv cs.LG · 2026-08-04 Cached

The paper introduces a hybrid quantum-classical framework enhancing Quantum Physics-Informed Neural Networks (QPINNs) with adaptive collocation point sampling and loss-aware attention for solving differential equations, achieving significant accuracy improvements in fluid dynamics and reaction-diffusion benchmarks.

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#fluid-dynamics

Solution to Feynman's reverse sprinkler puzzle also applies to "silly sprinklers"

Ars Technica · 2026-07-13 Cached

Researchers at NYU's Courant Institute conducted experiments confirming a 2024 'momentum flux theory' that solves Feynman's reverse sprinkler puzzle, also applying the findings to 'silly sprinklers'.

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#fluid-dynamics

Unexpected Solidlike Fracture in Simple Liquids

Hacker News Top · 2026-07-12 Cached

Researchers discovered that simple, nonelastic liquids can undergo brittle fracture under extensional stress, contradicting prior assumptions that elasticity was necessary for such behavior.

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#fluid-dynamics

Offline Reinforcement Learning for Fluid Controls: Data-based Multi-observational Policy Extraction

arXiv cs.LG · 2026-07-01 Cached

This paper proposes a novel offline reinforcement learning framework for active flow control that uses a sensor position-conditioned architecture with Point Attention layers to handle varying sensor configurations, enabling data-driven policy extraction without costly online interactions.

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#fluid-dynamics

@LinusEkenstam: This is how we serve space coffee now, fluid dynamics designed cup

X AI KOLs Following · 2026-06-29 Cached

Linus Ekenstam demonstrates a fluid dynamics designed cup for drinking coffee in space, showcasing how it works in microgravity.

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#fluid-dynamics

How Can Soccer Players Bend Their Shots in Midair?

Wired · 2026-06-13 Cached

This article explains the physics behind how soccer players can curve their shots in midair, using concepts from fluid dynamics and Newton's laws.

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#fluid-dynamics

Deep Embedded Multiplicative DMD for Algebra-Preserving Koopman Learning

Hugging Face Daily Papers · 2026-06-03

DeepMDMD combines deep learning with algebraic constraints to learn compact, dynamically coherent Koopman operator representations that enforce the product rule as an exact constraint. The method outperforms geometric approaches on high-dimensional chaotic and fluid dynamics problems, reducing spectral pollution and enabling stable long-term forecasting.

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#fluid-dynamics

Symmetry in the Wild: The Role of Equivariance in Neural Fluid Surrogates

arXiv cs.LG · 2026-05-20

This paper investigates the role of group-equivariant architectures in neural fluid dynamics surrogates, introducing the AB-GATr model. It finds that equivariance is beneficial when data lacks strong alignment, but can degrade performance on highly aligned datasets.

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#fluid-dynamics

@0xLogicrw: OpenAI post-training core member Weng Jiayi previously proved that 'purely relying on a large model to write code can beat Atari games.' Fluid dynamics PhD student Paul Garnier has now brought this approach to the more hardcore field of fluid dynamics control. He never trained any neural network. He simply had Codex 5.5 act as a programmer...

X AI KOLs Timeline · 2026-05-19 Cached

A fluid dynamics PhD student used OpenAI's Codex 5.5 model to achieve fluid dynamics control purely through code generation, without training any neural network. It surpassed reinforcement learning baselines in multiple tests, with low cost and interpretable results.

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#fluid-dynamics

AeroJEPA: Learning Semantic Latent Representations for Scalable 3D Aerodynamic Field Modeling

arXiv cs.LG · 2026-05-08 Cached

This paper introduces AeroJEPA, a Joint-Embedding Predictive Architecture for scalable 3D aerodynamic field modeling. It addresses limitations in current surrogate models by predicting semantic latent representations of flow fields, enabling efficient high-fidelity analysis and design optimization.

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#fluid-dynamics

Towards Scalable One-Step Generative Modeling for Autoregressive Dynamical System Forecasting

arXiv cs.LG · 2026-05-08 Cached

This paper introduces MeLISA, a latent-free autoregressive generative surrogate for forecasting high-dimensional physical dynamics that uses pixel-space MeanFlow to achieve efficient one-step generation. It demonstrates superior long-horizon statistical accuracy and inference speed compared to neural operators on turbulent flow benchmarks.

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#fluid-dynamics

Discovering new solutions to century-old problems in fluid dynamics

Google DeepMind Blog · 2025-10-24 Cached

DeepMind researchers discovered new families of unstable singularities in fundamental fluid dynamics equations using AI techniques, potentially advancing understanding of century-old mathematical problems like the Navier-Stokes equations. The work collaborates with Brown, NYU, and Stanford, revealing patterns in blow-up behavior with unprecedented computational accuracy.

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#fluid-dynamics

The Well: a Large-Scale Collection of Diverse Physics Simulations for Machine Learning

Papers with Code Trending · 2024-11-30 Cached

The Well is a large-scale collection of 15TB of diverse physics simulation datasets across 16 domains, designed to benchmark machine learning surrogate models for spatiotemporal physical systems. It provides a unified PyTorch interface and example baselines to accelerate simulation-based workflows.

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