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Accurate, non-invasive flow measurement is imperative for efficient water resource management and leak detection in distribution systems. Despite the advent of diverse external sensing technologies, a paucity of consolidated evidence exists…

仪器与探测器 · 物理学 2025-12-11 Juan Diego Belesaca , Fabian Astudillo Salinas

The use of machine learning algorithms to predict behaviors of complex systems is booming. However, the key to an effective use of machine learning tools in multi-physics problems, including combustion, is to couple them to physical and…

A systematic method for determining order parameters for quantum many-body systems on lattices is developed by utilizing reduced density matrices. This method allows one to extract the order parameter directly from the wave functions of the…

强关联电子 · 物理学 2007-05-23 Shunsuke Furukawa , Gregoire Misguich , Masaki Oshikawa

Machine learning has been effective at detecting patterns and predicting the response of systems that behave free of natural laws. Examples include learning crowd dynamics, recommender systems and autonomous mobility. There also have been…

计算物理 · 物理学 2018-12-05 Gregory Teichert , Krishna Garikipati

The free energetics of water density fluctuations in bulk water, at interfaces, and in hydrophobic confinement inform the hydration of hydrophobic solutes as well as their interactions and assembly. The characterization of such free…

统计力学 · 物理学 2018-03-15 Erte Xi , Sean M. Marks , Suruchi Fialoke , Amish J. Patel

In recent years, stream processing has become a prominent approach for incrementally handling large amounts of data, with special support and libraries in many programming languages. Unfortunately, support in Prolog has so far been lacking…

编程语言 · 计算机科学 2019-09-20 Paul Tarau , Jan Wielemaker , Tom Schrijvers

Physical watermarking is a well established technique for replay attack detection in cyber-physical systems (CPSs). Most of the watermarking methods proposed in the literature are designed for discrete-time systems. In general, real…

系统与控制 · 电气工程与系统科学 2021-03-02 Bahram Yaghooti , Raffaele Romagnoli , Bruno Sinopoli

Business Process Management (BPM) has the potential to help companies manage and reduce their activities' negative social and environmental impacts. However, so far, only limited capabilities for analysing the sustainability impacts of…

软件工程 · 计算机科学 2025-03-19 Andreas Fritsch

Nowadays hydroelectric energy is one of the best energy sources: it is cleaner, safer and more programmable than other sources. For this reason, its manage could not be done in an approssimative way, but advance mathematical models must be…

计算工程、金融与科学 · 计算机科学 2016-11-01 Matteo Gardini , Aurora Manicardi

In this paper, we propose a local-global multiscale method for highly heterogeneous stochastic groundwater flow problems under the framework of reduced basis method and the generalized multiscale finite element method (GMsFEM). Due to…

数值分析 · 数学 2022-03-02 Yiran Wang , Eric Chung , Shubin Fu

The metriplectic formalism is useful for describing complete dynamical systems which conserve energy and produce entropy. This creates challenges for model reduction, as the elimination of high-frequency information will generally not…

数值分析 · 数学 2022-12-28 Anthony Gruber , Max Gunzburger , Lili Ju , Zhu Wang

Fast and reliable surrogate models are critical for optimization, control and uncertainty analysis in geological carbon-storage projects, yet high-fidelity multiphase simulators remain too expensive. Dynamic Mode Decomposition (DMD) offers…

计算物理 · 物理学 2026-02-24 Dimitrios Voulanas , Eduardo Gildin

We build surrogate models for dynamic 3D subsurface single-phase flow problems with multiple vertical producing wells. The surrogate model provides efficient pressure estimation of the entire formation at any timestep given a stochastic…

计算工程、金融与科学 · 计算机科学 2021-11-17 Rui Xu , Dongxiao Zhang , Nanzhe Wang

Among the different contributions generating self-potential, the streaming potential is of particular interest in hydrogeology for its sensitivity to water flow. Estimating water flux in porous media using streaming potential data relies on…

地球物理 · 物理学 2019-05-01 Luis Guarracino , Damien Jougnot

Smart metering of domestic water consumption to continuously monitor the usage of different appliances has been shown to have an impact on people's behavior towards water conservation. However, the installation of multiple sensors to…

信号处理 · 电气工程与系统科学 2023-01-10 Pavlos Pavlou , Stelios Vrachimis , Demetrios G. Eliades , Marios M. Polycarpou

Hydrogen is vital for sectors like chemicals and others, driven by the need to reduce carbon emissions. Proton Electrolyte Membrane Water Electrolysis (PEMWE) is a key technology for the production of green hydrogen under fluctuating…

An understanding of the hydrodynamics of multiphase processes is essential for their design and operation. Multiphase computational fluid dynamics (CFD) simulations enable researchers to gain insight which is inaccessible experimentally.…

数值分析 · 数学 2021-01-18 Tanyakarn Treeratanaphitak , Nasser Mohieddin Abukhdeir

Water treatment facilities are critical infrastructure they must accommodate dynamic demand patterns without system disruption. These patterns can be scheduled, such as daily residential irrigation, or unexpected, such as demand spikes from…

系统与控制 · 电气工程与系统科学 2024-08-15 Ryan Mauery , Margaret Busse , Ilya Kovalenko

In this contribution, we employ a density matrix based optimization procedure to obtain customized basis functions to describe chains of rotating water molecules in interaction regimes associated with different intermolecular distances.…

化学物理 · 物理学 2023-06-14 Tobias Serwatka , Pierre-Nicholas Roy

Experimental techniques of testing the mechanical properties of unsaturated soils are complex and difficult to conduct. As a consequence, complete sets of parameters that characterise the behaviour of unsaturated soils remain scarce and…

地球物理 · 物理学 2008-12-18 Pierre Delage , Yu Jun Cui