Results 121 to 130 of about 120,918 (284)

Diffuse Domain Methods with Dirichlet Boundary Conditions

open access: yes
The solution of partial differential equations (PDEs) on complex domains often presents a significant computational challenge by requiring the generation of fitted meshes. The Diffuse Domain Method (DDM) is an alternative which reformulates the problem on a larger, simple domain where the complex geometry is represented by a smooth phase-field function.
Benfield, Luke, Dedner, Andreas
openaire   +2 more sources

Mean field games of controls with Dirichlet boundary conditions

open access: yesESAIM: Control, Optimisation and Calculus of Variations
In this paper, we study a mean-field games system with Dirichlet boundary conditions in a closed domain and in a mean-field game of controls setting, that is in which the dynamics of each agent is affected not only by the average position of the rest of the agents but also by their average optimal choice.
Mattia Bongini, Francesco Salvarani
openaire   +3 more sources

Mesh design for electrical resistivity imaging of agricultural dikes

open access: yesNear Surface Geophysics, EarlyView.
Abstract Electrical resistivity imaging (ERI) shows promise for investigating earthen flood barriers. We are interested in the applicability of ERI for aiding maintenance and construction efforts on agricultural dikes in the upper Bay of Fundy, Canada.
Peter G. Lelievre   +3 more
wiley   +1 more source

Growing sandpile problem with Dirichlet and Fourier boundary conditions

open access: yesElectronic Journal of Differential Equations, 2017
In this work, we study the Prigozhin model for growing sandpile with mixed boundary conditions and an arbitrary time dependent angle of repose. On one part of the boundary the homogeneous Dirichlet boundary condition is provided, on the other one the ...
Estelle Nassouri   +2 more
doaj  

Parametric mean curvature evolution with a Dirichlet boundary condition.

open access: yesJournal für die reine und angewandte Mathematik (Crelles Journal), 1995
Let \(\Omega\) be the unit disc in \(\mathbb{R}^ 2\), \(u_ 0 : \Omega \to \mathbb{R}^ 3\). We investigate the problem of finding a family of maps \(v(.,t) : \Omega \to \mathbb{R}^ 3\), \(t \geq 0\) such that \[ v_ t = g^{ij} v_{x_ i x_ j} \text{ in }\Omega \times (0,\infty),\quad v = u_ 0 \text{ on }\partial \Omega \times (0,\infty), \quad v(0) = u_ 0 \
openaire   +1 more source

Engineered Gravel Trench Hyporheic Exchange to Create Cold‐Water Thermal Refuges

open access: yesRiver Research and Applications, EarlyView.
ABSTRACT Warming rivers are driving a loss or fragmentation of cold‐water habitat and providing the impetus to develop proactive thermal management approaches to maintain suitable habitat in rivers. One innovative approach is through the creation of cold‐water thermal refuges during periods of thermal stress for aquatic species.
Kathryn A. Smith   +3 more
wiley   +1 more source

From Inclusion to Sustainability: A Systematic Review of Research Trends in Sustainable Inclusive Education (2015–2025)

open access: yesSustainable Development, EarlyView.
ABSTRACT This systematic review reconceptualizes inclusive education (IE) as a cross‐cutting strategy for sustainable development. We analyze 2729 articles published between 2015 and 2025, identifying 357 that explicitly address sustainability. Using PRISMA 2020, bibliometric mapping, and binomial generalized linear models, we examine temporal ...
Mustafa Enes Işıkgöz   +1 more
wiley   +1 more source

Fragmentation Across Scales, Geography, and Climate Challenges in European Urban Climate Change Adaptation and Mitigation Research: A Bibliometric and Systematic Review

open access: yesSustainable Development, EarlyView.
ABSTRACT European urban climate change research lacks integration across scales, geography, and climate challenges, despite Europe's coordinated policy frameworks. Through a hybrid bibliometric and systematic review of 1528 studies (2010–2025) using Cortext Manager and PRISMA 2020 guidelines, this study maps the conceptual patterns, knowledge gaps, and
Isabela Pichardo‐Velázquez   +2 more
wiley   +1 more source

Local Search and the Evolution of World Models

open access: yesTopics in Cognitive Science, EarlyView., 2023
Abstract An open question regarding how people develop their models of the world is how new candidates are generated for consideration out of infinitely many possibilities. We discuss the role that evolutionary mechanisms play in this process. Specifically, we argue that when it comes to developing a global world model, innovation is necessarily ...
Neil R. Bramley   +3 more
wiley   +1 more source

Numerical Reconstruction of Time-Dependent Boundary Conditions to 2D Heat Equation on Disjoint Rectangles at Integral Observations

open access: yesMathematics
In this paper, two-dimensional (2D) heat equations on disjoint rectangles are considered. The solutions are connected by interface Robin’s-type internal conditions.
Miglena N. Koleva, Lubin G. Vulkov
doaj   +1 more source

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