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Biological transport networks are highly optimized structures that ensure power-efficient distribution of fluids across various domains, including animal vasculature and plant venation. Theoretically, these networks can be described as…

生物物理 · 物理学 2025-08-01 Albert Alonso , Lars Erik J. Skjegstad , Julius B. Kirkegaard

Plant water stress may occur due to the limited availability of water to the roots/soil or due to increased transpiration. These factors adversely affect plant physiology and photosynthetic ability to the extent that it has been shown to…

信号处理 · 电气工程与系统科学 2021-09-07 Vishal Vinod , Rahul Raj , Rohit Pingale , Adinarayana Jagarlapudi

The mechanical properties of a thin, planar material, perfused by an embedded flow network, can be changed locally and globally by the fluid transport and storage, resulting in small or large-scale deformation, such as out-of-plane…

软凝聚态物质 · 物理学 2023-03-15 Yongtian Luo , Che-Ling Ho , Brent R. Helliker , Eleni Katifori

Electricity is difficult to store, except at prohibitive cost, and therefore the balance between generation and load must be maintained at all times. Electricity is traditionally managed by anticipating demand and intermittent production…

机器学习 · 计算机科学 2024-09-26 Julie Keisler , Margaux Bregere

Root systems can influence the dynamics of evapotranspiration of water out of a porous medium. The coupling of evapotranspiration remains a key aspect affecting overall root behavior. Predicting the evapotranspiration curve in the presence…

软凝聚态物质 · 物理学 2015-06-22 Cesare M. Cejas , Larry Hough , Jean-Christophe Castaing , Christian Fretigny , Remi Dreyfus

We present a comprehensive experimental and theoretical investigation of the evaporation dynamics of freely levitated water droplets in an upward airstream under varying temperature and relative humidity conditions, using a custom-designed…

In the supercooled regime at elevated pressure two forms of liquid water, high-density (HDL) and low-density (LDL), have been proposed to be separated by a coexistence line ending at a critical point, but a connection to ambient conditions…

软凝聚态物质 · 物理学 2011-06-27 K. T. Wikfeldt , A. Nilsson , L. G. M. Pettersson

We consider a thermodynamic state of a solvent and solution separated with an elastic semipermeable membrane in a box with a constant volume and the relevance of this simple model for the water uptake in tall trees. Under moderate…

化学物理 · 物理学 2011-09-22 Pasko Zupanovic , Milan Brumen , Ales Fajmut , Domagoj Kuic , Davor Juretic

To elucidate how land surface state and soil moisture dynamics regulate moist convection, and how convective rainfall subsequently reshapes surface and root-zone hydrology, we develop a stochastic dynamical model that couples soil moisture,…

大气与海洋物理 · 物理学 2026-04-10 Elizabeth Cultra , Jun Yin , Mark Bartlett , Amilcare Porporato

Accurate flood prediction is crucial for disaster prevention and mitigation. Hydrological data exhibit highly nonlinear temporal patterns and encompass complex spatial relationships between rainfall and flow. Existing flood prediction…

机器学习 · 计算机科学 2024-12-11 Jun Feng , Xueyi Liu , Jiamin Lu , Pingping Shao

Diverse implicit structures of fluids are discovered lately, providing opportunities to study the physics of fluids applying network analysis. Although considerable works devote to identifying informative network structures of fluids, we…

流体动力学 · 物理学 2024-08-26 Yang Tian , Pei Sun , Yizhou Xu

We propose an end-to-end trained neural networkarchitecture to robustly predict the complex dynamics of fluid flows with high temporal stability. We focus on single-phase smoke simulations in 2D and 3D based on the incompressible…

图形学 · 计算机科学 2020-03-20 Steffen Wiewel , Byungsoo Kim , Vinicius C. Azevedo , Barbara Solenthaler , Nils Thuerey

Effective water management is essential for the optimal performance of PEM fuel cells. We have developed an impedance model for liquid water transport through the membrane and coupled it with the two-phase model for cathode side impedance.…

化学物理 · 物理学 2026-01-16 Andrei Kulikovsky , Tatyana Reshetenko

We investigate the hydrodynamic stability and the formation of patterns in a continuum model of epithelial layers, able to account for the interplay between mechanical activity, lateral adhesion and the $6-$fold orientational order…

软凝聚态物质 · 物理学 2025-02-19 Josep-Maria Armengol-Collado , Leonardo Puggioni , Livio N. Carenza , Luca Giomi

Food production needs to increase significantly in 30 years, and water loss from plants may hold one key, especially relevant in a time of climate change. The plant leaf cuticle is the final defence of leaves in drought and at night, and so…

生物物理 · 物理学 2021-02-18 E. C. Tredenick , G. D. Farquhar

Dry-land ecosystem has turned into a matter of grave concern, due to growing threat of land degradation and bioproductivity-loss. Self-organized vegetation patterns are a remarkable characteristic of these ecosystems; apart from being…

种群与进化 · 定量生物学 2022-09-27 Mrinal Kanti Pal , Swarup Poria

Relative permeability is commonly used to model immiscible fluid flow through porous materials. In this work we derive the relative permeability relationship from conservation of energy, assuming that the system to be non-ergodic at large…

流体动力学 · 物理学 2022-10-05 James E. McClure , Ming Fan , Steffen Berg , Ryan T. Armstrong , Carl Fredrik Berg , Zhe Li , Thomas Ramstad

We develop an effective field theory for dissipative fluids which governs the dynamics of long-lived gapless modes associated with conserved quantities. The resulting theory gives a path integral formulation of fluctuating hydrodynamics…

高能物理 - 理论 · 物理学 2017-01-30 Michael Crossley , Paolo Glorioso , Hong Liu

Transport networks are crucial to the functioning of natural and technological systems. Nature features transport networks that are adaptive over a vast range of parameters, thus providing an impressive level of robustness in supply.…

适应与自组织系统 · 物理学 2017-11-28 Erik Andreas Martens , Konstantin Klemm

The water uptake by roots of plants is examined for an ideal situation, with an approximation that resembles plants growing in pots, meaning that the total soil volume is fixed. We propose a coupled water uptake-root growth model. A…

生物物理 · 物理学 2015-03-12 J. L. Blengino Albrieu , J. C. Reginato , D. A. Tarzia
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