Results 211 to 220 of about 1,840,169 (238)

Boundary conditions at grain boundaries

Journal of Applied Physics, 1983
Grain boundaries in polycrystalline semiconductor material are frequently idealized as surfaces possessing a characteristic surface recombination velocity. Minority carrier densities generated by external sources (electron beams, light, etc.) in polycrystalline p–n junctions must satisfy certain boundary conditions at these grain boundaries which will ...
openaire   +2 more sources

A boundary condition with memory in electromagnetism

Archive for Rational Mechanics and Analysis, 1996
Let \(\Omega\) be a region, occupied by a continuous medium and electromagnetic field within. The position vector in \(\Omega\) is denoted by \(\vec x\), and \(\vec n\) denotes the unit outward normal to \(\partial\Omega\). Physically, the boundary \(\partial \Omega\) is regarded as a conductor.
Angelo Morro, Angelo Morro, Mauro Fabrizio, Mauro Fabrizio   +3 more
openaire   +4 more sources

Initial Conditions and Boundary Conditions

1994
High-resolution limited-area models have been successfully used for both the simulation and prediction of regional and local mesoscale weather events (Anthes et al. 1989). This success can depend on accurately specifying the initial state of the atmosphere and its variation in time along the lateral boundaries of the model domain. Synoptic-scale global
Rangarao V. Madala, Keith D. Sashegyi
openaire   +2 more sources

Dirichlet Boundary Conditions

2018
In this chapter we study the problem of existence and multiplicity of positive solutions for the nonlinear two-point boundary value ...
openaire   +3 more sources

Nonreflecting Boundary Conditions

1999
If the boundary of a computational domain coincides with a true physical boundary, an appropriate boundary condition can generally be derived from physical principles and can be implemented in a numerical model with relative ease. It is, for example, easy to derive the condition that the fluid velocity normal to a rigid boundary must vanish at that ...
openaire   +2 more sources

A planetary boundary for green water

Nature Reviews Earth & Environment, 2022
Lan Wang-Erlandsson, Arne Tobian, Ruud J Van Der Ent   +2 more
exaly  

Nonequilibrium boundary-driven quantum systems: Models, methods, and properties

Reviews of Modern Physics, 2022
Gabriel T Landi, Dario Poletti, Gernot Schaller   +2 more
exaly  

Boundary Conditions in Electromagnetics

2019
Sihvola, Ari, Lindell, Ismo
openaire   +1 more source

Carrier grain boundary scattering in thermoelectric materials

Energy and Environmental Science, 2022
Chaoliang Hu, Chen-Guang Fu, Xinbing Zhao   +2 more
exaly  

Regulating active hydrogen adsorbed on grain boundary defects of nano-nickel for boosting ammonia electrosynthesis from nitrate

Energy and Environmental Science, 2023
Ming Wen, Qingsheng Wu, Yi-Xing Luo
exaly