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numerical analysis the diffuse element method (DEM) or simply diffuse approximation is a meshfree method. The diffuse element method was developed by B.
Diffuse_element_method
Methods in numerical analysis not requiring knowledge of neighboring points
1990s a new class of meshfree methods emerged based on the Galerkin method. This first method called the diffuse element method (DEM), pioneered by Nayroles
Meshfree_methods
Topics referred to by the same term
small particles (like molecules or grains of sand) Diffuse element method, a numerical simulation method used (for example) to solve partial differential
DEM_(disambiguation)
squared residual Diffuse element method Finite pointset method — represent continuum by a point cloud Moving Particle Semi-implicit Method Method of fundamental
List of numerical analysis topics
List_of_numerical_analysis_topics
Method for reconstructing continuous functions
Volume 83, 17-18, 2005. Generalizing the finite element method: diffuse approximation and diffuse elements, B Nayroles, G Touzot. Pierre Villon, P,
Moving_least_squares
Chemical element with atomic number 80 (Hg)
Mercury is a chemical element; it has symbol Hg and atomic number 80. It is commonly known as quicksilver. A heavy, silvery d-block element, mercury is the
Mercury_(element)
Analysis and solving of problems that involve fluid flows
Discrete element method Fictitious domain method Finite element method Finite volume method for unsteady flow Fluid animation Immersed boundary method Lattice
Computational_fluid_dynamics
Method for numerical differential equations
done in [Droniou et al]. Finite element method R. Eymard, C. Guichard, and R. Herbin. Small-stencil 3d schemes for diffusive flows in porous media. M2AN,
Gradient discretisation method
Gradient_discretisation_method
Group of rendering algorithms used in 3D computer graphics
closely related to heat transfer simulations performed using finite-element methods in engineering design. Radiosity, ray tracing, beam tracing, cone tracing
Global_illumination
Computer graphics rendering method using diffuse reflection
the finite element method to solving the rendering equation for scenes with surfaces that reflect light diffusely. Unlike rendering methods that use Monte
Radiosity_(computer_graphics)
Species of flowering plant
Centaurea diffusa, also known as diffuse knapweed, white knapweed or tumble knapweed, is a member of the genus Centaurea in the family Asteraceae. This
Centaurea_diffusa
Thermal motion of liquid or gas particles at temperatures above absolute zero
Diffusion MRI – Method of utilizing water in magnetic resonance imagingPages displaying short descriptions of redirect targets Double diffusive convection –
Molecular_diffusion
Convection with two density gradients
Double diffusive convection is a fluid-dynamical phenomenon that describes a form of convection driven by two different density gradients, which have
Double_diffusive_convection
Chemical element with atomic number 14 (Si)
Silicon (/ˈsɪl.ɪ.kən/, SILL-ih-kən) is a chemical element; it has symbol Si and atomic number 14. It is a hard, brittle crystalline solid with a blue-grey
Silicon
tomography Diffuse Infrared Background Experiment Diffuse element method Diffuse reflection Diffuse sky radiation Diffuser (optics) Diffusing-wave spectroscopy
Index_of_physics_articles_(D)
Simplification of a physical system into a network of discrete components
The lumped-element model (also called lumped-parameter model, or lumped-component model) is a simplified representation of a physical system or circuit
Lumped-element_model
Technique for measuring thermal conductivity
electrical heating element and a resistance thermometer. The transient hot wire method has advantage over the other thermal conductivity methods, since there
Transient_hot_wire_method
Rendering method
diffuse surfaces and the color of the light emitted from the light source. For example, if the light source emitted white light and the two diffuse surfaces
Ray_tracing_(graphics)
Chemical element with atomic number 8 (O)
Oxygen is a chemical element; it has the symbol O and its atomic number is 8. It is a member of the chalcogen group in the periodic table. It is highly
Oxygen
are often too complex to analyze using other methods (such as finite element and boundary element methods). The initial derivation of SEA arose from independent
Statistical_energy_analysis
Chemical element with atomic number 84 (Po)
Polonium is a chemical element; it has symbol Po and atomic number 84. A rare and highly radioactive metal (although sometimes classified as a metalloid)
Polonium
Image reconstruction software toolbox
and William Lionheart. The forward models in EIDORS use the finite element method and this requires mesh generation for sometimes irregular objects (such
EIDORS
Net transport of atoms through a solid
diffusant (such as C in an iron alloy), will diffuse in between the lattice structure of another crystalline element. In substitutional lattice diffusion (self-diffusion
Atomic_diffusion
Chemical element with atomic number 2 (He)
(from Ancient Greek: ἥλιος, romanized: helios, lit. 'sun') is a chemical element; it has symbol He and atomic number 2. It is a colorless, odorless, non-toxic
Helium
Chemical element with atomic number 1 (H)
Hydrogen is a chemical element; it has the symbol H and atomic number 1. It is the lightest and most abundant chemical element in the universe, constituting
Hydrogen
Method of reasoning via argumentation and contradiction
romanized: dialektikḗ; German: Dialektik), also known as the dialectical method, refers originally to dialogue between people holding different points of
Dialectic
Optical component
with a diffuse white reflective coating, with small holes for entrance and exit ports. Its relevant property is a uniform scattering or diffusing effect
Integrating_sphere
Chemical element with atomic number 55 (Cs)
(IUPAC spelling; also spelled cesium in American English) is a chemical element; it has symbol Cs and atomic number 55. It is a soft, silvery-golden alkali
Caesium
Computer graphics method
year, the radiosity method (not a ray tracing method) was published, which was the first physically based method for rendering diffuse global illumination
Path_tracing
Set of adjacent groups
value of an electron's azimuthal quantum number: sharp (0), principal (1), diffuse (2), and fundamental (3). Succeeding notations proceed in alphabetical
Block_(periodic_table)
an equivalent in the finite element method (Galerkin method). Another similar method is the characteristic Galerkin method (which uses an implicit algorithm)
Numerical solution of the convection–diffusion equation
Numerical_solution_of_the_convection–diffusion_equation
Transport of dissolved species from the highest to the lowest concentration region
gradient in Gibbs free energy or chemical potential. It is possible to diffuse "uphill" from a region of lower concentration to a region of higher concentration
Diffusion
Measurement of capacity of a material to conduct heat
electrical heating element and a resistance thermometer. The transient hot wire method has advantage over the other thermal conductivity method since there is
Thermal conductivity measurement
Thermal_conductivity_measurement
Geological technique
and therefore new experimental methods and analytical methods, the number of available element-mineral diffusivities are growing rapidly. Samples are
Diffusion_chronometry
Group of highly reactive chemical elements
family of elements is also known as the lithium family after its leading element. The alkali metals are all shiny, soft, highly reactive metals at standard
Alkali_metal
Chemical element with atomic number 7 (N)
Nitrogen is a chemical element; it has symbol N and atomic number 7. Nitrogen is a nonmetal and the lightest member of group 15 of the periodic table
Nitrogen
Environmental chemistry technique
houses a binding gel, diffusive gel and membrane filter. The element or compound passes through the membrane filter and diffusive gel and is assimilated
Diffusive gradients in thin films
Diffusive_gradients_in_thin_films
Mathematical model
analyzed within a finite element context using either discrete or diffuse crack representations. Approaches using a finite element representation often make
Phase-field_model
is a diffuse measure without atoms, while μ a {\displaystyle \mu _{a}} is a purely atomic measure. A random set is a set-valued random element. One specific
Random_element
Scientific Technique
The Finite volume method in computational fluid dynamics is a discretization technique for partial differential equations that arise from physical conservation
Finite volume method for one-dimensional steady state diffusion
Finite_volume_method_for_one-dimensional_steady_state_diffusion
Deliberate infliction of suffering on a person
cutting off their air supply. Psychological torture includes methods that involve no physical element as well as forcing a person to do something and physical
Torture
Finite difference method for numerically solving parabolic differential equations
the ratio of time step Δ t {\displaystyle \Delta t} times the thermal diffusivity to the square of space step, Δ x 2 {\displaystyle \Delta x^{2}} , is
Crank–Nicolson_method
Chemical element with atomic number 113 (Nh)
Nihonium is a synthetic chemical element; it has symbol Nh and atomic number 113. It is extremely radioactive: its most stable known isotope, nihonium-286
Nihonium
Chemical element with atomic number 25 (Mn)
Manganese is a chemical element; it has the symbol Mn and atomic number 25. It is a hard, brittle, silvery metal, often found in minerals in combination
Manganese
Chemical element with atomic number 18 (Ar)
Argon is a chemical element; it has symbol Ar and atomic number 18. It is in group 18 of the periodic table and is a noble gas. Argon is the third most
Argon
Chemical element with atomic number 92 (U)
been the leading method for enrichment and was used in the Manhattan Project. In this process, uranium hexafluoride is repeatedly diffused through a silver-zinc
Uranium
KINNEY AND R. A. BROWN, "Finite element/Newton method for the analysis of Czochralski crystal growth with diffuse-grey radiative heat transfer . International
Gebhart_factor
Region of non-coding DNA that regulates the transcription of neighboring genes
strand or farther away, such as transcription factors. One cis-regulatory element can regulate several genes, and conversely, one gene can have several cis-regulatory
Cis-regulatory_element
Instrument for measuring specular reflection gloss
of 57.5° and used a contrast method to subtract the specular component from the total reflection using a polarising element. Ingersoll successfully applied
Glossmeter
Set of functions used to represent the electronic wave function
set and are not variational unlike e.g. finite element methods. A common feature of all real-space methods is that the accuracy of the numerical basis set
Basis_set_(chemistry)
Factors that influence engineering design process
quality. It can also calculate stress and displacement using the finite element method to determine stresses throughout the part. The production planning and
Engineering_design_process
to expand in all directions without rupture. Mass diffusivity: Ability of one substance to diffuse through another Plasticity: Ability of a material to
List_of_materials_properties
A holographic optical element (HOE) is an optical component (mirror, lens, directional diffuser, etc.) that produces holographic images using principles
Holographic_optical_element
Chemical element with atomic number 13 (Al)
preferred IUPAC name) or aluminum (North American English) is a chemical element; it has symbol Al and atomic number 13. It has a density lower than other
Aluminium
measured at a given location on Earth with a surface element perpendicular to the Sun's rays, excluding diffuse insolation (the solar radiation that is scattered
Direct_solar_irradiance
When an object takes in energy from sound waves instead of reflecting them
Anechoic chamber Acoustic wave Acoustic impedance Acoustic Absorbers and Diffusers: Theory, Design and Applicatio.CRC Press .2009.Peter D'Antoni "Refraction
Absorption_(acoustics)
Mixture or metallic solid solution composed of two or more elements
of chemical elements of which in most cases at least one is a metallic element, although the word is also sometimes used for mixtures of elements; herein
Alloy
Set of techniques to measure and visualize aspects of the nervous system
best therapies and treatments for individual patients. Diffuse optical imaging (DOI) or diffuse optical tomography (DOT) is a medical imaging modality
Neuroimaging
Sound absorption performance of a material
testing due to measurement effects such as edge diffraction and non-ideal diffuse-field conditions rather than “more than 100%” absorption. NRC should not
Noise_reduction_coefficient
Numerical method used to solve a Riemann problem
A Riemann solver is a numerical method used to solve a hyperbolic partial differential equation based on the solution of the corresponding Riemann problem
Riemann_solver
Chemical element with atomic number 47 (Ag)
Silver is a chemical element; it has symbol Ag (from Latin argentum 'silver') and atomic number 47. A soft, white, lustrous transition metal, it exhibits
Silver
Smallest unit of a chemical element
protons but a different number of neutrons are called isotopes of the same element. Atoms are extremely small, typically around 100 picometers across. A human
Atom
Applies an electric current to heat or cool materials
cost thermoelectric module is less than 10 years typically because gasses diffuse through the elastomeric perimeter seal of the module, or the seal bond
Thermoelectric_heat_pump
Chemical element with atomic number 37 (Rb)
Rubidium is a chemical element; it has symbol Rb and atomic number 37. It is a very soft, whitish-grey solid in the alkali metal group, similar to potassium
Rubidium
Semi-transparent ceramic construction material
the end of the nineteenth century glass prisms became a popular way to diffuse light into spaces that would otherwise be difficult or unsafe to light
Glass_brick
Method for simulating ion transport
particle methods where the channel water is assumed as implicit continuum background, a mean ion mobility is needed to reveal how ions could diffuse due to
Biology_Monte_Carlo_method
Chemical element with atomic number 68 (Er)
Erbium is a chemical element; it has symbol Er and atomic number 68. A silvery-white solid metal when artificially isolated, natural erbium is always
Erbium
Type of boundary condition in mathematics
condition for convection–diffusion equations. Here, the convective and diffusive fluxes at the boundary sum to zero: u x ( 0 ) c ( 0 ) − D ∂ c ( 0 ) ∂
Robin_boundary_condition
Metallurgy/steelmaking method
levels in the slag. Afterwards, oxygen will diffuse from the steel into the lesser concentrated slag. This method is done by using deoxidizing agents on the
Deoxidization
Chemical element with atomic number 46 (Pd)
Palladium is a chemical element; it has the symbol Pd and atomic number 46. It is a rare and lustrous silvery-white metal discovered in 1802 by the English
Palladium
Metalworking process
the material. The elevated temperature allows the dissolved elements to diffuse much faster, and form the desired precipitated particles. The quenching
Hardening_(metallurgy)
Sub-class of turbomachinery
slowing the flow through a diffuser. The static pressure rise in the impeller may roughly equal the rise in the diffuser. A simple centrifugal compressor
Centrifugal_compressor
Method of hydrodynamics simulation
particles i {\displaystyle i} and a {\displaystyle a} . The discrete element method, used for simulating granular materials, is related to SPH. Colagrossi
Smoothed-particle hydrodynamics
Smoothed-particle_hydrodynamics
Diffuse nebula in the constellation Orion
The Orion Nebula (also known as Messier 42, M42, or NGC 1976) is a diffuse nebula in the Milky Way situated south of Orion's Belt in the constellation
Orion_Nebula
Major stage of a crystallization process
possibility of a step in a diffuse surface, even though the step height would be much smaller than the thickness of the diffuse surface. The surface advances
Crystal_growth
Molecule composed of any two atoms
Iodine, Chlorine, Bromine. Symmetry of diatomic molecules AXE method Octatomic element Covalent bond Industrial gas Hammond, C.R. (2012). "Section 4:
Diatomic_molecule
Sound dampening equipment
test frequency, and the normal-incidence condition does not capture the diffuse-field performance relevant to room acoustic applications. Bass trap manufacturers
Bass_trap
Water transport tissue in vascular plants
cohesion-tension mechanism inherent in water. Water has a tendency to diffuse to areas that are drier, and this process is accelerated when water can
Xylem
Destruction or degeneration of brain cells
categorized by location: focal injuries affect specific areas, whereas diffuse injuries involve widespread brain regions. The symptoms and complications
Brain_injury
Part on the front of a car
'grille' is commonly misspelled as 'grill' which instead refers to the cooking method. Other common grille locations include below the front bumper, in front
Grille_(car)
Using sunlight for internal lighting
where it is needed. This method has the advantage of reducing the directionality of light to make it softer and more diffuse, reducing shadows. Another
Daylighting_(architecture)
Fifth row of the periodic table
Period 5 in the periodic table A period 5 element is one of the chemical elements in the fifth row (or period) of the periodic table of the chemical elements
Period_5_element
Analog of the continuous Laplace operator
Approximations of the Laplacian, obtained by the finite-difference method or by the finite-element method, can also be called discrete Laplacians. For example, the
Discrete_Laplace_operator
Form of radar used to create images of landscapes
destroys the spatial inhomogeneities associated with terrain clutter or other diffuse scattering in SAR imagery. But it offers higher frequency resolution in
Synthetic-aperture_radar
Galaxy in the constellation Virgo
isophotal diameter of 40.55 kiloparsecs (132,000 light-years), with a diffuse galactic envelope that extends to a radius of about 150 kiloparsecs (490
Messier_87
Stochastic way of assigning quantities across a space
In probability theory, a random measure is a measure-valued random element. Random measures are for example used in the theory of random processes, where
Random_measure
Coffee brewing device
this method is more suitable for light teas and is not suitable for masala chai (which must be boiled) or Chinese tea (which tends to be diffused for a
French_press
Typological term
accentuation of one or more points of view and by the synthesis of a great many diffuse, discrete, more or less present and occasionally absent concrete individual
Ideal_type
British Biomedical Engineer, Quantum Biophotonics and Optical Physicist
PhD studies he contributed to the invention and early development of Diffusing-wave spectroscopy (DWS) and its pioneering application for non-invasive
Igor_Meglinski
Chemical element with atomic number 31 (Ga)
Gallium is a chemical element; it has symbol Ga and atomic number 31. Discovered by the French chemist Paul-Émile Lecoq de Boisbaudran in Paris, France
Gallium
than traditional deterministic approaches (such as finite element and boundary element methods). In comparison to conventional statistical approaches such
Dynamical_energy_analysis
Intense focused beam lamp for improving visual detection
bombardment the world had ever seen until that point. However, the morning fog diffused the light and silhouetted the attacking Soviet forces, making them clearly
Searchlight
representing a distance perpendicular to the space of an image. Diffuse lighting In shading, a diffuse component of light is the light reflected from the surface
Glossary_of_computer_graphics
combinations in visual design. Color is often deemed to be an important element of design as it is a universal language which presents the countless possibilities
Design_elements
Technology for splitting specific gases out of mixtures
polymer, etc. and the gas molecules penetrate according to their size, diffusivity, or solubility. Gas separation across a membrane is a pressure-driven
Membrane_gas_separation
Integral equation
; Cohen, Michael F.; Greenberg, Donald P. (1986). "A radiosity method for non-diffuse environments" (PDF). In David C. Evans; RussellJ. Athay (eds.).
Rendering_equation
Method of thin film application
the ions collide with the gas atoms that act as a moderator and move diffusively, reaching the substrates or vacuum chamber wall and condensing after
Sputter_deposition
Method of utilizing water in magnetic resonance imaging
while minimizing the noise. An important element of these calculations is the sum of squares of the diffusivity differences = (λ1 − λ2)2 + (λ1 − λ3)2 + (λ2 − λ3)2
Diffusion-weighted magnetic resonance imaging
Diffusion-weighted_magnetic_resonance_imaging
Oñate, E.; Idelsohn, S. (1998). "A mesh-free finite point method for advective-diffusive transport and fluid flow problems". Computational Mechanics
Finite_point_method
Social psychological theory
if a diffuse status characteristic in a task situation is a social basis of discrimination between p' (persons) and o (other) then the diffuse status
Expectation_states_theory
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