doc:user:general:glossaire
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doc:user:general:glossaire [2014/08/07 22:47] – joris | doc:user:general:glossaire [2017/10/25 11:41] – boman | ||
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- | ====== Glossary ====== | + | ====== Glossary ====== |
+ | ~~NOTOC~~ | ||
If you have never used a finite element software, nor learned about nonlinear mechanics, this page will help you understand Metafor specific vocabulary. | If you have never used a finite element software, nor learned about nonlinear mechanics, this page will help you understand Metafor specific vocabulary. | ||
+ | |||
+ | |||
+ | ---- | ||
+ | |||
===== A ===== | ===== A ===== | ||
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{{ doc: | {{ doc: | ||
- | Commercial software suite for finite element analysis, usually considered as the reference in nonlinear mechanics. [[# | + | Commercial software suite for finite element analysis, usually considered as the reference in nonlinear mechanics. [[# |
- | ==== A.L.E. | + | ==== ALE ==== |
+ | |||
+ | Arbitrary Lagrangian-Eulerian formalism: method which separates the motions of mesh and the material. The ALE can be used: | ||
+ | * to keep a valid mesh throughout the simulation of very large deformations (avoiding negative [[# | ||
+ | * to simulate quasi-Eulerian problems such as stationary problems with a mesh that is almost fixed in space. | ||
+ | |||
+ | |||
+ | ---- | ||
- | Arbitrary Lagrangian-Eulerian Formulation: | ||
===== B ===== | ===== B ===== | ||
==== Bacon ==== | ==== Bacon ==== | ||
- | Preprocessor | + | |
+ | Meat product prepared from cured pork, or preprocessor | ||
==== Baconnerie ==== | ==== Baconnerie ==== | ||
- | Manière absurde d' | + | Absurd way to write an input file. |
==== Battery ==== | ==== Battery ==== | ||
- | Also called test battery. The battery is made of all the data sets whose results | + | Also called |
==== Bfac ==== | ==== Bfac ==== | ||
Binary Fac => see [[#Fac]] | Binary Fac => see [[#Fac]] | ||
+ | |||
+ | |||
+ | ---- | ||
+ | |||
===== C ===== | ===== C ===== | ||
==== C++ ==== | ==== C++ ==== | ||
- | {{doc: | + | {{ doc: |
[[# | [[# | ||
==== CAD ==== | ==== CAD ==== | ||
- | {{doc: | + | {{ doc: |
[[wp> | [[wp> | ||
- | |||
- | ==== Code de calcul ==== | ||
- | |||
- | Autre manière d' | ||
==== Contact ==== | ==== Contact ==== | ||
- | Interaction between two solids which models the fact that they cannot penetrate each other during the computation. Contact induces nonlinearities in the computation. The penalty method is most often used in [[# | + | Interaction between two solids which models the fact that they cannot penetrate each other during the computation. Contact induces nonlinearities in the computation. The penalty method is most often used in [[# |
==== Contact Matrices ==== | ==== Contact Matrices ==== | ||
- | Also called "dies" in Metal Forming. A contact matrix is a rigid geometric object (cylindrical, plane or of more complex shape) which can come into contact with the meshed part. For instance, | + | Also called "contact tools" in metal forming. A contact matrix is a perfectly |
==== Curves ==== | ==== Curves ==== | ||
- | When used on its own, the word " | + | When used on its own, the word " |
- | ===== D ===== | ||
- | ==== Data set ==== | + | ---- |
+ | |||
+ | |||
+ | ===== D ===== | ||
- | Text file describing the geometry, mesh, boundary conditions and temporal integration parameters of a simulation. In [[# | ||
==== DLL ==== | ==== DLL ==== | ||
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[[# | [[# | ||
+ | |||
+ | ---- | ||
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Finite Element. See also [[Wp> | Finite Element. See also [[Wp> | ||
- | In [[# | + | In [[# |
==== FEM ==== | ==== FEM ==== | ||
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==== Fortran ==== | ==== Fortran ==== | ||
- | Obsolete language still used by the elderly. | + | Obsolete |
- | + | ||
- | ==== Franglais ==== | + | |
- | + | ||
- | Langue utilisée entre autres par [[# | + | |
==== FV ==== | ==== FV ==== | ||
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Finite Volume. Alternative discretization technique, in opposition with Finite Element. Finite Volumes are used to model convection with the [[#ALE]] formulation. | Finite Volume. Alternative discretization technique, in opposition with Finite Element. Finite Volumes are used to model convection with the [[#ALE]] formulation. | ||
- | ===== G ===== | ||
+ | ---- | ||
- | ==== GPL ==== | ||
- | |||
- | [[wp>GNU Public License]] : most widely used free software license, see [[http:// | ||
===== I ===== | ===== I ===== | ||
+ | |||
+ | ==== Input file ==== | ||
+ | |||
+ | Text file describing the geometry, mesh, boundary conditions and time integration parameters of a simulation. In [[# | ||
+ | |||
==== Interaction ==== | ==== Interaction ==== | ||
- | At first, an interaction was the object managing the boundary condition [[#fe|éléments]] on the surface of a mesh (contact, pressure). Nowadays, this concept has been extended to the generation of any [[# | + | At first, an interaction was the object managing the boundary condition [[#fe|elements]] on the surface of a mesh (contact, pressure). Nowadays, this concept has been extended to the generation of any [[# |
==== Interpreter ==== | ==== Interpreter ==== | ||
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==== Iterations ==== | ==== Iterations ==== | ||
- | On its own, iteration means mechanical iteration of the [[# | + | On its own, iteration means mechanical iteration of the [[# |
+ | |||
+ | |||
+ | ---- | ||
===== J ===== | ===== J ===== | ||
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==== Jacobian ==== | ==== Jacobian ==== | ||
- | The jacobian of a [[# | + | The jacobian of a [[# |
- | ===== L ===== | ||
- | ==== LGPL ==== | + | ---- |
- | License derived from [[#GPL]] (Lesser GPL), usually used for libraries, allowing the developer to use LGPL without having to make its code GPL. Consequently, | ||
===== M ===== | ===== M ===== | ||
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==== Machine ==== | ==== Machine ==== | ||
- | Dans le contexte de ce site, une machine | + | In the context of this website, a "machine" is neither a power saw nor a pneumatic drill but rather a PC or sometimes a coffee |
==== Material ==== | ==== Material ==== | ||
- | A material defines the evolution of stresses with respect to strains. By extension, contact material is the name used when talking about friction laws. | + | A material |
==== Memory leak ==== | ==== Memory leak ==== | ||
Quite often seen when programming with an [[# | Quite often seen when programming with an [[# | ||
- | |||
- | ==== Mesh ==== | ||
- | |||
- | In [[# | ||
==== Mesh element ==== | ==== Mesh element ==== | ||
- | In [[# | + | In [[# |
==== Metafor ==== | ==== Metafor ==== | ||
- | Thermo-mechanical [[# | + | Thermo-mechanical [[# |
==== Module ==== | ==== Module ==== | ||
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==== Multiphysics ==== | ==== Multiphysics ==== | ||
- | Which can manage more than one field of unknown. For example, mechanical unknowns ('' | + | Which can manage more than one field of unknown. For example, mechanical unknowns ('' |
In [[# | In [[# | ||
+ | |||
+ | |||
+ | ---- | ||
+ | |||
===== N ===== | ===== N ===== | ||
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==== Newton-Raphson ==== | ==== Newton-Raphson ==== | ||
- | Iterative algorithm which can solve a system of nonlinear equations. In [[# | + | Iterative algorithm which can solve a system of nonlinear equations. In [[# |
+ | |||
+ | |||
+ | |||
+ | ---- | ||
===== O ===== | ===== O ===== | ||
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==== Object-Oriented ==== | ==== Object-Oriented ==== | ||
- | Programming method which consists in dividing concepts in classes, to which data and functions to process this data are associated. It is possible to program this way with every language, but it is easier with some. [[# | + | Programming method which consists in dividing concepts in objects. [[# |
- | ==== Oo_meta | + | ==== oo_meta |
- | Old name of the [[#C++]] version of [[# | + | Old name of the [[#C++]] version of [[# |
==== Oofelie ==== | ==== Oofelie ==== | ||
Commercial [[# | Commercial [[# | ||
+ | |||
+ | |||
+ | |||
+ | ---- | ||
+ | |||
===== P ===== | ===== P ===== | ||
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Interpreted [[# | Interpreted [[# | ||
+ | |||
+ | |||
+ | |||
+ | ---- | ||
+ | |||
+ | |||
+ | ===== R ===== | ||
+ | |||
+ | ==== RTFM ==== | ||
+ | |||
+ | La réponse de Luc à beaucoup de questions, RFTM, ou Read The Fucking Manual. Ironiquement, | ||
+ | |||
+ | |||
+ | ---- | ||
+ | |||
===== S ===== | ===== S ===== | ||
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Software initally created by the LTAS, in the University of Liège. Samtech, first spin-off of the university, has commercialized Samcef for years. In the laboratory, Samcef is used through [[#Bacon]] to import complex geometry in [[# | Software initally created by the LTAS, in the University of Liège. Samtech, first spin-off of the university, has commercialized Samcef for years. In the laboratory, Samcef is used through [[#Bacon]] to import complex geometry in [[# | ||
+ | |||
+ | |||
+ | ---- | ||
+ | |||
+ | |||
===== T ===== | ===== T ===== | ||
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==== Time Step ==== | ==== Time Step ==== | ||
- | When a part experiences large strains in a quasi-static way, it is usually impossible to calculate | + | When a part experiences large strains in a quasi-static way, it is usually impossible to compute |
==== Tuple ==== | ==== Tuple ==== | ||
In [[# | In [[# | ||
+ | |||
+ | |||
+ | |||
+ | ---- | ||
+ | |||
===== V ===== | ===== V ===== | ||
==== VCS ==== | ==== VCS ==== | ||
- | Version Control System. Software in charge of the management of changes in [[# | ||
- | ==== Volumic Element ==== | + | Version Control System. Software in charge of the management of changes in [[# |
+ | these VCS allow the simultaneous modification of the source code by several developers, and facilitate updates and synchronization. Thanks to the VCS and to a lot of work, only one version of [[# | ||
- | [[# | + | ==== Volume |
- | ==== Vtk ==== | + | [[# |
+ | |||
+ | ==== VTK ==== | ||
+ | |||
+ | Graphical library for displaying 2D/3D meshes and results in the graphical user interface of Metafor. | ||
+ | |||
+ | |||
+ | ---- | ||
- | Graphical library used by [[# | ||
===== Z ===== | ===== Z ===== | ||
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==== Z-Mesh ==== | ==== Z-Mesh ==== | ||
- | Home made preprocessor, | + | In-house |
+ | |||
+ | |||
+ | |||
+ | |||
+ | |||
+ |
doc/user/general/glossaire.txt · Last modified: 2017/10/25 11:51 by boman