3 <title>Glossary words list</title>
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36 <br><a name="bm_C"></a>
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37 <nobr><b>Cell</b></nobr><br>
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38 Element of a mesh. Cells are determined by their connectivity. They can have 0,1,2 or 3 dimension.<br>
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41 <nobr><b>Component</b></nobr><br>
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42 One integer or real value can correspond to each component of a field and to each entity of a mesh<br>
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44 <br><a name="bm_D"></a>
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45 <nobr><b>Descendant connectivity</b></nobr><br>
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46 It is a description of the entities of the mesh with dimension N. This description is made by an ordered list of geometrical entities (nodes, edges, or faces) with dimension N-1.<br>
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48 <br><a name="bm_E"></a>
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49 <nobr><b>Edge</b></nobr><br>
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50 An edge of a volumetric or surface mesh. It is composed of 2 or 3 nodes (2 vertex nodes and optionally one middle node).<br>
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53 <nobr><b>Entity of a mesh</b></nobr><br>
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54 Geometrical component of the mesh: node, cell, face and edge. Faces and edges are only intermediate entities allowing to define the cells in descendant connectivity.<br>
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57 <nobr><b>Equivalence</b></nobr><br>
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58 Equivalence represents a list of correspondance 2 by 2 of the entities of the same dimension.<br>
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60 <br><a name="bm_F"></a>
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61 <nobr><b>Face</b></nobr><br>
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62 Face of a volumetrical cell (triangle, quadrangle).<br>
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65 <nobr><b>Family</b></nobr><br>
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66 Entities of a mesh are described by a certain number of characteristics (boundary conditions, groups membership). Families represent classes equivalent to these characteristics (two entities of a mesh can belong to the same family if they have the same characteristics). Every family is determined by a set of attributes and a list of groups membership.<br>
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69 <nobr><b>Field</b></nobr><br>
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70 Field consists of one or several scalar components. One definite type is associated to the given field and the values corresponding to different components are all of the same type.<br>
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73 <nobr><b>Field profile</b></nobr><br>
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74 Fields can be defined only on one part of the mesh. Profile of the field or profile of the component of a field indicates which entities of the mesh contain values.<br>
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76 <br><a name="bm_G"></a>
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77 <nobr><b>Group</b></nobr><br>
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78 Unordered set of entities of a mesh. One entity can belong to several groups.<br>
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80 <br><a name="bm_M"></a>
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81 <nobr><b>Mesh</b></nobr><br>
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82 Mesh is described by its geometry: list of nodes and list of cells which constitute this mesh. Supplementary information is added with the help of families (initial, boundary conditions).<br>
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84 <br><a name="bm_N"></a>
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85 <nobr><b>Nodal connectivity</b></nobr><br>
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86 It is a description of an entity of the mesh by an ordered list of nodes constituting this entity.<br>
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89 <nobr><b>Node</b></nobr><br>
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90 Node can be an isolated node of a mesh, a vertex or middle node of an edge. A node is associated to a point.<br>
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92 <br><a name="bm_P"></a>
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93 <nobr><b>Point</b></nobr><br>
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94 Geometrical entity determined by its coordinates in the space.<br>
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96 <br><a name="bm_R"></a>
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97 <nobr><b>Reference connectivity</b></nobr><br>
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98 For each type of entity of a mesh, reference connectivity define the topology of an entity.<br>
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100 <br><a name=""></a>
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101 <nobr><b>Result</b></nobr><br>
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102 List of fields referring to one mesh.<br>
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104 <br><a name="bm_S"></a>
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105 <nobr><b>Study</b></nobr><br>
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106 Study represents a chain of sequences of calculations.<br>
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