weak boundary
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Weak formulation — Weak formulations are an important tool for the analysis of mathematical equations that permit the transfer of concepts of linear algebra to solve problems in other fields such as partial differential equations. In a weak formulation, an equation … Wikipedia
Weak solution — In mathematics, a weak solution (also called a generalized solution) to an ordinary or partial differential equation is a function for which the derivatives appearing in the equation may not all exist but which is nonetheless deemed to satisfy… … Wikipedia
boundary ecosystem — ▪ biology Introduction complex of living organisms in areas where one body of water meets another, e.g., estuaries and lagoons, or where a body of water meets the land, e.g., marshes. The latter are often called wetlands. Boundary… … Universalium
Elliptic boundary value problem — In mathematics, an elliptic boundary value problem is a special kind of boundary value problem which can be thought of as the stable state of an evolution problem. For example, the Dirichlet problem for the Laplacian gives the eventual… … Wikipedia
Outflow boundary — For information on the book Gust Front by author John Ringo, see Legacy of the Aldenata. Outflow boundary on radar with radial velocity and frontal boundary drawn in. An outflow boundary, also known as a gust front, is a storm scale or mesoscale… … Wikipedia
Grain boundary — A grain boundary is the interface between two grains in a polycrystalline material. Grain boundaries disrupt the motion of dislocations through a material, so reducing crystallite size is a common way to improve strength, as described by the Hall … Wikipedia
Shilov boundary — In functional analysis, a branch of mathematics, the Shilov boundary is the smallest closed subset of the structure space of a commutative Banach algebra where an analog of the maximum modulus principle holds. It is named after its discoverer,… … Wikipedia
Communication privacy management theory — is a communication theory first developed by Sandra Petronio[1][2] in 1991 describing the ways in which relational actors manage their privacy boundaries and the disclosure of private information. The theory focuses heavily on the processes that… … Wikipedia
Mécanisme d'adhésion directe — En physique, l adhésion est l ensemble des phénomènes physico chimiques qui se produisent lorsque l’on met en contact intime deux matériaux, dans le but de créer une résistance mécanique à la séparation. L’adhésion intervient dans de multiples… … Wikipédia en Français
Saint-Venant's principle — In Saint Venant s principle named after the French elasticity theorist Jean Claude Barré de Saint Venant can be stated as [ A.E.H. Love, A treatise on the mathematical theory of elasticity Cambridge University Press, 1927. (Dover reprint ISBN… … Wikipedia
Plasma activation — (or plasma functionalization). It is done with the intent to alter or improve adhesion properties of surfaces prior to coating, painting, etc. In most cases, the surface in question is surface of a polymer material and weakly ionised oxygen… … Wikipedia
