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Unstructured (or irregular) grid is a tessellation of a part of the Euclidean plane
An unstructured grid or irregular grid is a tessellation of a part of the Euclidean plane or Euclidean space by simple shapes, such as triangles or tetrahedra
Unstructured_grid
Technique in computational fluid dynamics
specification of the flow field Particle image velocimetry Regular grid Unstructured grid Schröder, A.; Schanz, D. (2023-01-19). "3D Lagrangian Particle Tracking
Lagrangian_particle_tracking
Tessellation of Euclidean space
differences, structured grids mainly appear in finite difference methods. Unstructured grids offer more flexibility than structured grids and hence are very
Regular_grid
Coordinate system that is defined by points instead of vectors
{r} _{2})+\lambda _{3}f(\mathbf {r} _{3})} In general, given any unstructured grid or polygon mesh, this kind of technique can be used to approximate
Barycentric_coordinate_system
Subdivision of space into cells
cell instead of grid to grid and hence the more memory space is needed. Due to random cell location, the solver efficiency in unstructured is less as compared
Mesh_generation
most common in unstructured grids. This cell shape is a basic 4 sided one as shown in the figure. It is most common in structured grids. Quadrilateral
Types_of_mesh
IC-engine etc. a) Structured curvilinear grid arrangements (vertices having similar neighborhood). b) Unstructured grid arrangements (vertices having variation
Grid_classification
Class of computational fluid dynamics methods
implemented on regular grids, However the use of unstructured grid can help with solving complex boundaries, unstructured grids are made of triangles or
Lattice_Boltzmann_methods
Topics referred to by the same term
grid, a grid of hexagons Unstructured grid, a tessellation of a space by simple shapes such as triangles or tetrahedra in an irregular pattern Grid reference
Grid
Data structure in computer science
detection in three dimensions View frustum culling Fast multipole method Unstructured grid Finite element analysis Sparse voxel octree State estimation Set estimation
Octree
computing with unstructured grids. Unstructured grids can be generated more easily than structured grids for complex geometries. The unstructured grids may be
KIVA_(software)
Ocean circulation model
(FVCOM; Formerly Finite Volume Coastal Ocean Model) is a prognostic, unstructured-grid, free-surface, 3-D primitive equation coastal ocean circulation model
Finite Volume Community Ocean Model
Finite_Volume_Community_Ocean_Model
Code library
performance parallel multigrid preconditioners for both structured and unstructured grid problems. Currently, Hypre supports only real double-precision arithmetic
Hypre
Groundwater simulation software
to a wide range of grid variations using unstructured grids. MODFLOW-USG has similar capabilities as MODFLOW 6, which provides grid capabilities with and
MODFLOW
Type of decentralized and distributed network architecture
located, we can classify networks as unstructured or structured (or as a hybrid between the two). Unstructured peer-to-peer networks do not impose a
Peer-to-peer
Shapes made from regular line segments
standard term for line segments built on other regular tilings, an unstructured grid, or a simple connected graph, but both "polynema" and "polyedge" have
Polystick
Programming paradigm in which many processes are executed simultaneously
(such as Barnes–Hut simulation) Structured grid problems (such as Lattice Boltzmann methods) Unstructured grid problems (such as found in finite element
Parallel_computing
“Comparison of NACA 0012 Laminar Flow Solutions: Structured and Unstructured Grid Methods,” NASA/TM-2016-219003. Wang, Xia, William K. George and Luciano
Boundary_layer_thickness
Numerical ocean circulation model
three-dimensional or two-dimensional depth-integrated form on a triangular unstructured grid with Cartesian or spherical coordinates. It can run in either barotropic
ADCIRC
Interdisciplinary branch of science concerned with presenting scientific data visually
of an unstructured grid with solution. The image was created by using a pseudocolor plot of the dataset's Mach variable, a Mesh plot of the grid, and Vector
Scientific_visualization
shapes Regular grid — consists of congruent parallelograms, or higher-dimensional analogue Unstructured grid Geodesic grid — isotropic grid on a sphere Mesh
List of numerical analysis topics
List_of_numerical_analysis_topics
Data structure for representing polygon meshes in computer memory
time with little storage overhead. This rich form of specifying an unstructured grid is in contrast to simpler specifications of polygon meshes such as
Winged_edge
Analog of the continuous Laplace operator
approach has been applied to quantitative heat transfer modelling on unstructured grids. In the case of undirected graphs, this works because L {\textstyle
Discrete_Laplace_operator
Outcome of seawater as it freezes
Institute uses an unstructured grid. The neXt Generation Sea-Ice model (neXtSIM) is a Lagrangian model using an adaptive and unstructured triangular mesh
Sea_ice
Visual illusion
is being applied, a scintillating and ever-changing and deforming light grid with occasional dark spots (like a crumpling fly-spotted flyscreen), and
Phosphene
Mathematical equations to describe fluid flow
variables which could be easily implemented into modern CFD code with unstructured grids and massive parallel execution. The majority of earlier transition
Gamma-Re_Transition_Model
Using computer models to predict the flow of fluids through porous media
grid models. Theoretically, finite difference models permit discretization of the reservoir using both structured and more complex unstructured grids
Reservoir_simulation
Algorithms for mesh generation
triangles to give reasonably accurate results – typically by using an unstructured grid. The computer uses a meshing algorithm to convert the polygonal model
Delaunay_refinement
Free-surface modelling technique
"Convective Schemes for Capturing Interfaces of Free-Surface Flows on Unstructured Grids". Numerical Heat Transfer Part B. 49 (1): 19–42. Bibcode:2006NHTB
Volume_of_fluid_method
Computer model that simulates sea ice
new DOE Energy Exascale Earth System Model (E3SM), which uses an unstructured grid in the sea ice component of the Model for Prediction Across Scales
CICE_(sea_ice_model)
Indian geo-coded digital addressing system
The National Level Addressing Grid, commercially known as DIGIPIN (Digital Postal Index Number), is a standardised, geo-coded addressing system established
National Level Addressing Grid
National_Level_Addressing_Grid
Numerical method used to solve a Riemann problem
(carbuncle-free for all possible test cases on both structured and unstructured grids) and accurate (as accurate as the Roe solver for the boundary layer
Riemann_solver
Set of python packages for Langragian ocean analysis
Arakawa D and E grids in the interpolation Implementing more advanced interpolation methods Implementing support for using unstructured grids in the interpolation
OceanParcels
Database of educational and research organizations
"GRID ID". wikidata.org. Retrieved 31 August 2018. Kundu, Suze. "GRID passes the torch to ROR". Digital Science. "DISAMBIGUATE – Resolve unstructured text
Global Research Identifier Database
Global_Research_Identifier_Database
Line of computers in the 1980s and 1990s
(1991). "Parallel Implicit Methods for Aerodynamic Applications on Unstructured Grids". In Keyes, David E.; Saad, Y.; Truhlar, Donald G. (eds.). Domain-based
Intel_iPSC
simulation of vortical flows using vorticity confinement coupled with unstructured grid". 39th Aerospace Sciences Meeting and Exhibit. doi:10.2514/6.2001-606
Vorticity_confinement
Public university in Minnesota, U.S.
the US3D CFD code which builds off of NASA's DPLR code, but uses unstructured grids and has many advanced numerical capabilities and physical models for
University_of_Minnesota
Discovery, interpretation, and communication of meaningful patterns in data
analytics consists of both qualitative and quantitative, structured and unstructured data used to drive strategic decisions about brand and revenue outcomes
Analytics
Scientific computing program
C++/Fortran computer simulations (e.g. stencil codes, mesh-free, unstructured grids, n-body & particle methods). Scales from smartphones to petascale
HPX
Retrieved 2011-12-10. Chen Changsheng; et al. (January 2003). "An Unstructured Grid, Finite-Volume, Three-Dimensional, Primitive Equations Ocean Model:
Layout_of_the_Port_of_Tianjin
Origins and events of data
structured and unstructured data, but IDC estimates that 90 percent of Big Data is unstructured data. The fundamental challenge of unstructured data sources
Data_lineage
; Kubatko, E.; Pourtaheri, H. (2008). "A Basin- to Channel-scale Unstructured Grid Hurricane Storm Surge Model Applied to Southern Louisiana". Monthly
Renaissance Computing Institute
Renaissance_Computing_Institute
2013 American TV series or program
Explores the Incredible Lives of Six Alaskans Living Off the Land and Off the Grid in the Country's Most Vicious Climate". The Futon Critic. 24 April 2013.
Life_Below_Zero
PRESSURE-CORRECTION METHOD FOR THE SOLUTION OF INCOMPRESSIBLE VISCOUS FLOWS ON UNSTRUCTURED GRIDS, Int. Journal for Numerical Meth. in Fluids, Vol. 22, 1996 A. Meister
Pressure-correction_method
Structured series of questions and answers
can be unstructured, freewheeling, and open-ended conversations without a predetermined plan or prearranged questions. One form of unstructured interview
Interview
are possible. The central interface is the grid interface. It describes structured and unstructured grids of arbitrary dimension, both with manifold and
Dune_(mathematics_software)
space method and optimal multigrid preconditioning techniques for unstructured grids. Computing. 1996;56(3):215–35. T. V. Kolev, P. S. Vassilevski, Parallel
Hiptmair–Xu_preconditioner
Computer Software
use meshes which are either structured (Cartesian or curvilinear grids) or unstructured (triangular, tetrahedral, etc.). Gerris is quite different on this
Gerris_(software)
Method in approximation theory
approximation theory for constructing high-order accurate interpolants of unstructured data, possibly in high-dimensional spaces. The interpolant takes the
Radial basis function interpolation
Radial_basis_function_interpolation
Hierarchical outline list of articles related to oceanography
finite-volume methods on unstructured computational grids Finite Volume Community Ocean Model – A prognostic, unstructured-grid, free-surface, 3-D primitive
Outline_of_oceanography
Non-linear partial differential equation encountered in problems of wave propagation
"Fast methods for the Eikonal and related Hamilton–Jacobi equations on unstructured meshes". Proc. Natl. Acad. Sci. USA. 97 (11): 5699–5703. Bibcode:2000PNAS
Eikonal_equation
Academic and computational scientist
[non-primary source needed] Alpman, Emre; Long, L. N. (June 2009). "An unstructured grid Reynolds stress model for separated turbulent flow simulations". International
Lyle_Norman_Long
Numerical analysis of fluid dynamics
Time-Accurate Finite Volume Method for Unsteady Incompressible Flow on Hybrid Unstructured Grids". Journal of Computational Physics. 162 (2): 411–428. Bibcode:2000JCoPh
Finite volume method for unsteady flow
Finite_volume_method_for_unsteady_flow
2003 Lohner, J.Camberos, and M.Marshal. Parallel Unstructured Grid Generation. Chapter in Unstructured Scientific Computation on Scalable Multiprocessors
Parallel_mesh_generation
2021 video game
takes place on a large distorted grid set in an infinite sea. This allows for towns that feel more organic and unstructured when compared to similar games
Townscaper
File format for 3D printing and scanning
language or standard tessellation language. An STL file describes a raw, unstructured triangulated surface by the unit normal and vertices (ordered by the
STL_(file_format)
Research conducted by social scientists
interview Textual analysis Unstructured interview Mixed methods Delphi method Ladder interview Q methodology Repertory grid Triangulation (social science)
Social_research
Dutch mathematician
Cartesian grids in 1-, 2-, or 3-dimensions, for linear and non-linear diffusion equations that may or may not contain shear terms. On unstructured grids, the
Bram_van_Leer
Cross-platform document-oriented database
managing large databases of unstructured, "messy" data. It's typically used for mobile and web apps that commonly use unstructured databases. As of 2024, there
MongoDB
Models of leadership
situation, and the people being led. The Blake Mouton Managerial Grid, also known as managerial grid model, serves as a framework to determine how one can balance
Task-oriented and relationship-oriented leadership
Task-oriented_and_relationship-oriented_leadership
Analysis and solving of problems that involve fluid flows
grid Euler method". 33rd Aerospace Sciences Meeting and Exhibit. doi:10.2514/6.1995-853. Karman, l, Jr, Steve (1995). "SPLITFLOW - A 3D unstructured Cartesian/Prismatic
Computational_fluid_dynamics
Computer memory type used for data preservation
network Block-level storage Single-instance storage Data Structured data Unstructured data Big data Metadata Data compression Data corruption Data cleansing
5D_optical_data_storage
Defunct American corporation
PeopleSoft released its In-Memory Project Discovery. It translated unstructured data into structured data, which then allowed users to analyze keywords
PeopleSoft
(2012-06-22). "An unStructured Future For Cloud Computing". Forbes. Fellows, William (2012-06-18). "GigaSpaces refreshes its 'classic' distributed-grid product
GigaSpaces
Information systems supporting business or organizational decision-making activities
that may be rapidly changing and not easily specified in advance—i.e., unstructured and semi-structured decision problems. Decision support systems can be
Decision_support_system
Cloud-based data analytics service
Microsoft, that ingests structured, semi-structured (like JSON) and unstructured data (like free-text). The service then stores this data and answers
Azure_Data_Explorer
Building automation for a home
to over $163 billion in 2028.[citation needed] Domestic patch panel, unstructured Well and booster pump automation Housing portal Home automation companies
Home_automation
Strategic plan to improve internet access
Julius Genachowski said the broadband plan was a prerequisite for smart grid technology, which he expected to reduce power plants' greenhouse gas consumption
National Broadband Plan (United States)
National_Broadband_Plan_(United_States)
Software company in Canada
beyond structured numeric data the ability to analyze alpha-numeric and unstructured log data. In 2020, the company was awarded a second grant from the NCBR
Infobright
Backup and disaster recovery software
physical servers, workstations as well as cloud-based workloads and unstructured data. Veeam Backup & Replication operates both the virtualization layer
Veeam_Backup_&_Replication
Visual programming language
Pd patch. In Puckette's words: Pd is designed to offer an extremely unstructured environment for describing data structures and their graphical appearance
Pure_Data
First Nations reserve in Ontario, Canada
colonization, education in Haudenosaunee communities took place in "unstructured and non-coercive ways." This continues to this day alongside provincial
Six Nations of the Grand River
Six_Nations_of_the_Grand_River
Television series
understand the challenges they face. The show was named Outstanding Unstructured Reality Program at the 69th, 70th, and 71st Emmy Awards. United Shades
United_Shades_of_America
Grouping a set of objects by similarity
resolve lexical ambiguity and automatically organise large corpora of unstructured text into topically coherent groups — a process known as document clustering
Cluster_analysis
Computer program
domains within the model area are dynamically linked. Flexible Mesh: is an unstructured mesh and uses a cell-centred finite volume solution technique. The mesh
MIKE_21
Quality or state of being calm, serene, and worry-free
(tranquillity and preference) and four descriptor variables: mistiness, unstructured openness, focus, and surface calmness. Tranquillity and preference were
Tranquillity
Artificial intelligence computer system made by IBM
[citation needed] Watson uses IBM's DeepQA software and the Apache UIMA (Unstructured Information Management Architecture) framework implementation. The system
IBM_Watson
Process of turning a place name/address to coordinates
structured postal address records, toponym resolution maps place names in unstructured document collections to their corresponding spatial footprints. Place
Address_geocoding
Software system
for structured and fixed length data, this does not hold for the more unstructured and variable sized data that is seen today. To combat storage inefficiency
SAP_IQ
Method of defining complex surfaces in computer graphics
Sederberg, T. W. (2013-02-01). "Isogeometric boundary element analysis using unstructured T-splines". Computer Methods in Applied Mechanics and Engineering. 254:
T-spline
Process used to define the rules and ontologies required for a knowledge-based system
AI Knowledge extraction – Creation of knowledge from structured and unstructured sources Information processing (psychology) – Approach to understanding
Knowledge_acquisition
Type of memory used on processors that require high transfer rate memory
network Block-level storage Single-instance storage Data Structured data Unstructured data Big data Metadata Data compression Data corruption Data cleansing
High_Bandwidth_Memory
Computer program for working with tabular data
understand, manage and police their often vast estates of spreadsheets and unstructured financial data (including comma-separated values (CSV) files and Microsoft
Spreadsheet
Reversible block cellular automaton
initial states in which all cells take randomly chosen states remain unstructured throughout their evolution. However, when started with a smaller field
Critters_(cellular_automaton)
Method of multivariate interpolation on a 3-dimensional regular grid
tensor product of 3 linear interpolation operators. For an arbitrary, unstructured mesh (as used in finite element analysis), other methods of interpolation
Trilinear_interpolation
2-D grid of wires where data is represented by the presence or absence of diodes at nodes
In digital electronics, a diode matrix is a two-dimensional grid of wires, with diodes connecting at selected intersections. A single row of the diode
Diode_matrix
Family of algorithms used in procedural generation
collapse'. Essentially, the algorithm is modified to work beyond simple, unstructured sets of tiles. Prior to their work, all WFC algorithm variants operated
Model_synthesis
Reference point inserted in an image
of prefabricated building components by robotic manipulators. Because unstructured construction environments present unique operational challenges, such
Fiducial_marker
Distortion of the perception of reality
world. Our whole visual system seeks to simplify and categorize the unstructured low-level visual information, through both selectivity and invariance
Illusion
Tomcat Server, is an open-source Java Servlet Container Apache Uima Unstructured Information Management Architecture, is an OASIS standard for content
List_of_Java_frameworks
MediaWiki software extensions
semi-structured data in a central repository. It is based upon JSON instead of the unstructured data of wikitext normally used in MediaWiki. It stores and organizes
Wikibase
networks are a new type of P2P network. It combines the advantages of unstructured P2P networks and structural P2P networks, and avoids their disadvantages
Semantic_P2P_networks
Pattern of activity often with a result
processes. Artificial intelligence software robots are deployed to handle unstructured data sets and are deployed after performing and deploying robotic process
Workflow
Marching triangles: reconstruct two-dimensional surface geometry from an unstructured point cloud Polygon triangulation algorithms: decompose a polygon into
List_of_algorithms
structured grid. The structured grid allows random access, that is by knowing the block number, i location, j location, and k location, any grid point value
PLOT3D_file_format
Form of non-volatile memory used in computers and other electronic devices
invention of the integrated circuit came mask ROM. Mask ROM consists of a grid of word lines (the address input) and bit lines (the data output), selectively
Read-only_memory
Contents and Semantics of active services and passive data that are unstructured, semi-structured as well as structured,... Semantic Computing extends
Semantic_computing
Creation of knowledge from structured and unstructured sources
creation of knowledge from structured (relational databases, XML) and unstructured (text, documents, images) sources. The resulting knowledge needs to be
Knowledge_extraction
Process of achieving a goal by overcoming obstacles
Sprache & Kognition (in German). 10: 109–113. Tonelli, Marcello (2011). Unstructured Processes of Strategic Decision-Making. Saarbrücken, Germany: Lambert
Problem_solving
Recording of information in a storage medium
network Block-level storage Single-instance storage Data Structured data Unstructured data Big data Metadata Data compression Data corruption Data cleansing
Data_storage
UNSTRUCTURED GRID
UNSTRUCTURED GRID
Female
Norse
Old Norse myth name of a frost giantess, GRID means "peace."
Surname or Lastname
English
English : nickname for someone with a pock-marked face (see Greeley).Richard Gridley arrived in Boston about 1630. His fourth-generation descendant Richard (1710/11–96) was born in Boston and became a military engineer and iron smelter.
Boy/Male
Hindu, Indian
Weather
Girl/Female
Norse
A wife of Odin.
UNSTRUCTURED GRID
UNSTRUCTURED GRID
Girl/Female
Hindu, Indian, Marathi, Sanskrit
All that is Reaching; The Universe
Female
Swiss
, army man, warrior.
Girl/Female
Indian
Girl/Female
Biblical
Defluxion, imposthume.
Boy/Male
Tamil
Conqueror, Name of Arjun
Girl/Female
Arabic, Muslim, Parsi
Rosy-faced
Boy/Male
Hindu, Indian, Punjabi, Sikh
Handsome; Beauteous
Female
Hebrew
(עָפְרָה) Variant spelling of Hebrew unisex Ophrah, OFRA means "fawn."Â
Girl/Female
Arabic, Greek, Muslim
Sunshine; Brightness
Boy/Male
Indian, Telugu
Investigator
UNSTRUCTURED GRID
UNSTRUCTURED GRID
UNSTRUCTURED GRID
UNSTRUCTURED GRID
UNSTRUCTURED GRID
v. t.
A gridiron.
n.
A color mixed of white, and red, or a gray violet.
n.
A sieve with a wire bottom, used by miners.
n.
A cake baked or fried on a griddle, esp. a thin batter cake, as of buckwheat or common flour.
n.
An openwork frame on which vessels are placed for examination, cleaning, and repairs.
n.
A grated iron utensil for broiling flesh and fish over coals.
v. i.
To gride. See Gride.
n.
To broil on a grill or gridiron.
e. i.
To cut with a grating sound; to cut; to penetrate or pierce harshly; as, the griding sword.
n.
A thin cake of batter fried in a pan or on a griddle; a griddlecake; a flapjack.
n.
A gridle. See 1st Seint.
n.
A thin wafer-shaped mass of fried batter; a griddlecake or pancake; as buckwheat cakes.
a.
See Gridelin.
n.
A grating of thin parallel bars, similar to a gridiron.
imp. & p. p.
of Gride
n.
A flat batter cake cooked on a griddle; a flapjack; a griddlecake.
v. t.
That which is broiled on a gridiron, as meat, fish, etc.
a.
Having a definite organic structure; showing differentiation of parts.
p. pr. & vb. n.
of Gride
n.
A football field.