ISO 10303-104:2000
(Main)Industrial automation systems and integration — Product data representation and exchange — Part 104: Integrated application resource: Finite element analysis
Industrial automation systems and integration — Product data representation and exchange — Part 104: Integrated application resource: Finite element analysis
Systèmes d'automatisation industrielle et intégration — Représentation et échange de données de produits — Partie 104: Ressources d'application intégrées: Analyse par éléments finis
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Standards Content (Sample)
INTERNATIONAL ISO
STANDARD 10303-104
First edition
2000-12-15
Industrial automation systems and
integration — Product data representation
and exchange —
Part 104:
Integrated application resource: Finite
element analysis
Systèmes d'automatisation industrielle et intégration — Représentation
et échange de données de produits —
Partie 104: Ressources d'application intégrées: Analyse par éléments
finis
Reference number
©
ISO 2000
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ii © ISO 2000 – All rights reserved
Contents Page
1 Scope . . . . . 1
1.1 Analysistypescope. . . . 1
1.2 Structural response definition schema scope . . . 1
1.3 Structural response representation schema scope . . . . 2
1.4 Finiteelementanalysiscontrolandresultschemascope. . 3
1.5 Scalars,vectors,andtensorsschemascope . . . 3
2 Normativereferences . . . . 4
3 Terms,definitions,abbreviations,andsymbols . . . 5
3.1 Terms defined in ISO 10303-1 . . . . 5
3.2 Othertermsanddefinitions. . . . 5
3.3 Symbols. . . . . . 7
3.4 Abbreviations. . . . 7
4 Structural response definition schema . . . . 8
4.1 Introduction. . . . 8
4.2 Fundamental concepts and assumptions . . . 8
4.3 Structural response definition schema entity definitions . . 8
4.3.1 structural_response_property . . . 8
4.3.2 fea_model_definition . . . . . . 10
4.3.3 node_definition. . . . 10
4.3.4 element_definition . . . . 10
5 Structural response representation schema . . . 12
5.1 Introduction. . . . 14
5.2 Fundamental concepts and assumptions . . . 14
5.2.1 Product relationship . . . . . . 14
5.2.2 Finiteelementanalysismodelrelationships . . . 14
5.2.3 Geometric founding and analysis space . . . 15
5.2.4 Identifiers. . . . 15
5.2.5 Coordinatesystems. . . . 15
5.2.6 Elementmatrixintegration. . . 15
5.2.7 Unitsandmeasures. . . . 15
5.2.8 Interfacewiththematerialsschema . . . 15
5.2.9 Finiteelementanalysismodel,control,andresultrelationships. . 16
5.2.10 Useofelement . . . . 16
5.3 Structural response representation schema type definitions . . 16
5.3.1 axi_or_plane . . . . 16
5.3.2 coordinate_system_type . . . . 17
5.3.3 element_order . . . . 19
5.3.4 plane_2d_element_purpose . . . 19
5.3.5 enumerated_plane_2d_element_purpose . . . . . 19
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5.3.6 application_defined_element_purpose. . . 20
5.3.7 volume_element_purpose . . . 20
5.3.8 enumerated_volume_element_purpose . . . 21
5.3.9 surface_element_purpose . . . 21
5.3.10 enumerated_surface_element_purpose. . . 21
5.3.11 curve_element_purpose . . . . 22
5.3.12 enumerated_curve_element_purpose . . . 23
5.3.13 volume_3d_element_shape . . . 24
5.3.14 element_2d_shape . . . . 24
5.3.15 matrix_property_type . . . . . 25
5.3.16 enumerated_matrix_property_type. . . 25
5.3.17 application_defined_matrix_property_type . . . . 25
5.3.18 surface_matrix_property_type . . . 26
5.3.19 enumerated_surface_matrix_property_type . . . . 26
5.3.20 curve_matrix_property_type . . . 27
5.3.21 enumerated_curve_matrix_property_type . . . . . 28
5.3.22 matrix_symmetry. . . . 29
5.3.23 degree_of_freedom. . . . 30
5.3.24 enumerated_degree_of_freedom . . . 30
5.3.25 application_defined_degree_of_freedom . . . . . 31
5.3.26 curve_element_freedom . . . . 31
5.3.27 enumerated_curve_element_freedom . . . 32
5.3.28 integration_rule. . . . 32
5.3.29 shape_function . . . . 33
5.3.30 volume_2d_element_representation . . . 33
5.3.31 surface_2d_element_representation . . . 34
5.3.32 curve_2d_element_representation . . . 34
5.3.33 volume_2d_element_descriptor . . . 34
5.3.34 surface_2d_element_descriptor . . . 35
5.3.35 curve_2d_element_descriptor . . . 35
5.3.36 volume_3d_element_coordinate_system. . . 35
5.3.37 volume_2d_element_coordinate_system. . . 36
5.3.38 surface_3d_element_coordinate_system. . . 36
5.3.39 surface_2d_element_coordinate_system. . . 36
5.3.40 curve_3d_element_coordinate_system. . . 37
5.3.41 curve_element_end_coordinate_system . . . 37
5.3.42 directionally_explicit_element_coordinate_system . . 37
5.3.43 element_aspect . . . . 38
5.3.44 element_volume . . . . 38
5.3.45 curve_edge . . . . 39
5.3.46 node_or_node_group . . . . . . 39
5.3.47 element_or_element_group . . . 39
5.4 Structural response representation schema entity definitions: Finite element analysis
model . . . . . 40
5.4.1 fea_model . . . . 40
5.4.2 fea_model_3d . . . . 41
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5.4.3 fea_model_2d . . . . 41
5.4.4 structural_response_property_definition_representation . . 42
5.4.5 fea_representation_item . . . . 43
5.5 Structural response representation schema entity definitions: Node and element geom-
etry,geometriccoordinatesystems,andgeometricassociativity. . 44
5.5.1 direction_node . . . . 45
5.5.2 fea_axis2_placement_2d . . . . 47
5.5.3 fea_axis2_placement_3d . . . . 48
5.5.4 node_set . . . . 49
5.5.5 analysis_item_within_representation . . . 49
5.5.6 node_geometric_relationship . . . 50
5.5.7 element_geometric_relationship . . . 51
5.6 Structural response representation schema entity definitions: Node representation . . . 52
5.6.1 node_representation . . . . . . 52
5.6.2 node . . . . 53
5.6.3 node_with_vector . . . . 53
5.6.4 node_with_solution_coordinate_system . . . 54
5.6.5 dummy_node. . . . 55
5.6.6 geometric_node . . . . 55
5.6.7 substructure_node_relationship . . . 56
5.7 Structural response representation schema entity definitions: Element representations . 56
5.7.1 element_representation. . . . . 61
5.7.2 volume_3d_element_representation . . . 62
5.7.3 axisymmetric_volume_2d_element_representation . . 64
5.7.4 plane_volume_2d_element_representation . . . . 66
5.7.5 surface_3d_element_representation . . . 68
5.7.6 axisymmetric_surface_2d_element_representation . . 70
5.7.7 plane_surface_2d_element_representation . . . . . 72
5.7.8 curve_3d_element_representation . . . 75
5.7.9 axisymmetric_curve_2d_element_representation . . 77
5.7.10 plane_curve_2d_element_representation . . . . . 79
5.7.11 element_descriptor . . . . 80
5.7.12 volume_3d_element_descriptor . . . 81
5.7.13 axisymmetric_volume_2d_element_descriptor . . 82
5.7.14 plane_volume_2d_element_descriptor. . . 82
5.7.15 volume_3d_element_basis . . . 83
5.7.16 volume_2d_element_basis . . . 84
5.7.17 surface_3d_element_descriptor . . . 84
5.7.18 axisymmetric_surface_2d_element_descriptor . . 85
5.7.19 plane_surface_2d_element_descriptor. . . 85
5.7.20 surface_3d_element_basis . . . 86
5.7.21 surface_2d_element_basis . . . 87
5.7.22 curve_3d_element_descriptor . . . 87
5.7.23 axisymmetric_curve_2d_element_descriptor . . . 88
5.7.24 plane_curve_2d_element_descriptor. . . 88
5.7.25 curve_3d_element_basis . . . . 89
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5.7.26 curve_2d_element_basis . . . . 90
5.7.27 point_element_representation . . . 90
5.7.28 point_element_matrix . . . . . 91
5.7.29 stationary_mass . . . . 92
5.7.30 grounded_spring . . . . 93
5.7.31 grounded_damper . . . . 93
5.7.32 directionally_explicit_element_representation. . . 94
5.7.33 system_and_freedom. . . . 96
5.7.34 directionally_explicit_element_coefficient . . . 96
5.7.35 explicit_element_representation . . . 97
5.7.36 explicit_element_matrix . . . . 98
5.7.37 substructure_element_representation . . . 99
5.8 Structural response representation schema definitions: Element topologies. 99
5.9 Structural response representation schema entity definitions: Element coordinate systems115
5.9.1 aligned_axis_tolerance. . . . . 116
5.9.2 arbitrary_volume_3d_element_coordinate_system . . 117
5.9.3 parametric_volume_3d_element_coordinate_system . . 117
5.9.4 arbitrary_volume_2d_element_coordinate_system . . 119
5.9.5 parametric_volume_2d_element_coordinate_system . . 121
5.9.6 aligned_surface_3d_element_coordinate_system . . 122
5.9.7 parametric_surface_3d_element_coordinate_system . . 124
5.9.8 constant_surface_3d_element_coordinate_system. . 126
5.9.9 aligned_surface_2d_element_coordinate_system . . 127
5.9.10 parametric_surface_2d_element_coordinate_system . . 128
5.9.11 aligned_curve_3d_element_coordinate_system . . 129
5.9.12 parametric_curve_3d_element_coordinate_system . . 130
5.9.13 parametric_curve_3d_element_coordinate_direction . . 132
5.9.14 curve_2d_element_coordinate_system. . . 132
5.9.15 directionally_explicit_element_coordinate_system_arbitrary . . 133
5.9.16 directionally_explicit_element_coordinate_system_aligned. . 134
5.9.17 euler_angles . . . . 134
5.10 Structural response representation schema entity definitions: Element matrix integration 135
5.10.1 Volume3DElement . . . . 139
5.10.2 Volume2DElement . . . . 139
5.10.3 Curve2DElement . . . . 140
5.10.4 Surface3DorCurveElement . . . 140
5.10.5 Surface2DElement . . . . 141
5.10.6 volume_3d_element_integrated_matrix . . . 142
5.10.7 volume_3d_element_integrated_matrix_with_definition . . 142
5.10.8 volume_3d_element_field_integration. . . 143
5.10.9 element_integration_algebraic . . . 143
5.10.10 volume_3d_element_field_integration_rule . . . . 143
5.10.11 volume_3d_element_field_integration_explicit . . 144
5.10.12 volume_position_weight . . . . 144
5.10.13 volume_2d_element_integrated_matrix . . . 145
5.10.14 volume_2d_element_integrated_matrix_with_definition . . 145
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5.10.15 volume_2d_element_field_integration. . . 146
5.10.16 volume_2d_element_field_integration_rule . . . . 146
5.10.17 volume_2d_element_field_integration_explicit . . 147
5.10.18 surface_3d_element_integrated_matrix . . . 147
5.10.19 surface_3d_element_integrated_matrix_with_definition . . 148
5.10.20 surface_3d_element_integration . . . 148
5.10.21 surface_3d_element_field_integration . . . 149
5.10.22 surface_section_integration . . . 149
5.10.23 surface_3d_element_field_integration_rule . . . . 149
5.10.24 surface_3d_element_field_integration_explicit . . 150
5.10.25 surface_position_weight . . . . 150
5.10.26 surface_section_integration_rule. . . 151
5.10.27 surface_section_integration_explicit. . . 151
5.10.28 surface_section_position_weight . . . 152
5.10.29 surface_2d_element_integrated_matrix . . . 152
5.10.30 surface_2d_element_integrated_matrix_with_definition . . 153
5.10.31 surface_2d_element_integration . . . 153
5.10.32 surface_2d_element_length_integration . . . 154
5.10.33 surface_2d_element_length_integration_rule . . . 154
5.10.34 surface_2d_element_length_integration_explicit . . 155
5.10.35 curve_3d_element_integrated_matrix . . . 155
5.10.36 curve_3d_element_integrated_matrix_with_definition . . 156
5.10.37 curve_3d_element_integration . . . 156
5.10.38 curve_3d_element_length_integration . . . 157
5.10.39 curve_3d_element_length_integration_rule . . . . 157
5.10.40 curve_3d_element_length_integration_explicit . . 158
5.10.41 curve_3d_element_position_weight . . . 158
5.10.42 curve_section_integration_explicit. . . 159
5.10.43 curve_2d_element_integrated_matrix . . . 159
5.10.44 curve_2d_element_integrated_matrix_with_definition . . 160
5.10.45 curve_2d_element_integration . . . 160
5.11 Structural response representation schema entity definitions: Element locations . 161
5.11.1 fea_parametric_point . . . . . . 161
5.11.2 volume_element_location . . . 162
5.11.3 surface_volume_element_location. . . 162
5.11.4 surface_element_location . . . 162
5.11.5 surface_section_element_location . . . 163
5.11.6 surface_section_element_location_absolute . . . . 164
5.11.7 surface_section_element_location_dimensionless. . 164
5.11.8 curve_volume_element_location. . . 165
5.11.9 curve_element_location . . . . 165
5.11.10 curve_section_element_location . . . 166
5.12 Structural response representation schema entity definitions: Finite element analysis
materialproperties . . . . 166
5.12.1 element_material . . . . 168
5.12.2 fea_material_property_geometric_relationship . . 168
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5.12.3 fea_material_property_representation . . . 169
5.12.4 fea_material_property_representation_item . . . . 170
5.12.5 fea_linear_elasticity . . . . 171
5.12.6 fea_mass_density. . . . 172
5.12.7 fea_area_density . . . . 172
5.12.8 fea_tangential_coefficient_of_linear_thermal_expansion . . 173
5.12.9 fea_secant_coefficient_of_linear_thermal_expansion . . 174
5.12.10 fea_moisture_absorption . . . . 175
5.12.11 fea_shell_membrane_stiffness . . . 176
5.12.12 fea_shell_bending_stiffness . . . 177
5.12.13 fea_shell_membrane_bending_coupling_stiffness. . 178
5.12.14 fea_shell_shear_stiffness. . . . 178
5.13 Structural response representation schema entity definitions: Element properties. 179
5.13.1 Surfaceelementproperties . . . 180
5.13.2 Curveelementproperties. . . . 185
5.13.3 surface_element_property . . . 187
5.13.4 surface_section_field . . . . . . 188
5.13.5 surface_section_field_constant. . . 189
5.13.6 surface_section_field_varying . . . 189
5.13.7 surface_section . . . . 190
5.13.8 uniform_surface_section . . . . 191
5.13.9 uniform_surface_section_layered . . . 191
5.13.10 fea_surface_section_geometric_relationship . . . 192
5.13.11 curve_3d_element_property . . . 192
5.13.12 curve_element_interval . . . . 193
5.13.13 curve_element_interval_constant . . . 194
5.13.14 curve_element_interval_linearly_varying . . . 194
5.13.15 curve_2d_element_property . . . 195
5.13.16 curve_element_section_definition . . . 196
5.13.17 curve_element_section_derived_definitions . . . . 196
5.13.18 fea_curve_section_geometric_relationship . . . . 198
5.13.19 curve_element_end_offset . . . 199
5.13.20 curve_element_end_release . . . 199
5.13.21 curve_element_end_release_packet . . . 200
5.13.22 axisymmetric_2d_element_property. . . 200
5.13.23 plane_2d_element_property . . . 201
5.13.24 simple_plane_2d_element_property . . . 201
5.14 Structural response representation schema entity definitions: Groups . . . . 201
5.14.1 fea_group. . . . 201
5.14.2 element_group . . . . 202
5.14.3 node_group. . . . 203
5.14.4 fea_group_relation . . . . 203
5.14.5 volume_3d_element_group . . . 204
5.14.6 volume_2d_element_group . . . 204
5.14.7 surface_3d_element_group. . . 205
5.14.8 surface_2d_element_group. . . 205
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5.14.9 curve_3d_element_group . . . 206
5.14.10 curve_2d_element_group . . . 206
5.15 Structural response representation schema function definitions . . 207
5.15.1 required_0d_nodes . . . . 207
5.15.2 required_1d_nodes . . . . 207
5.15.3 required_2d_nodes . . . . 208
5.15.4 required_3d_nodes . . . . 210
5.15.5 number_of_terms. . . . 212
5.15.6 valid_parametric_coordinate. . . 213
5.15.7 build_direction_node . . . . . . 213
5.15.8 consistent_geometric_reference . . . 215
5.15.9 consistent_element_or_group_reference. . . 216
5.15.10 consistent_element_reference . . . 217
6 Finiteelementanalysiscontrolandresultschema . . . 220
6.1 Introduction. . . . 222
6.2 Fundamental concepts and assumptions . . . 222
6.2.1 Control . . . . 222
6.2.2 Controlprocess. . . . 222
6.2.3 Result. . . . 224
6.2.4 Analysisstep . . . . 224
6.2.5 State . . . . 224
6.2.6 State definition . . . . 225
6.2.7 Unitsandmeasures. . . . 225
6.3 Finiteelementanalysiscontrolandresultschematypedefinitions . . 225
6.3.1 model_or_control_element. . . 226
6.3.2 cylindrical_harmonic_number . . . 226
6.3.3 volume_3d_face . . . . 226
6.3.4 volume_2d_face . . . . 227
6.3.5 volume_3d_edge . . . . 227
6.3.6 volume_2d_edge . . . . 228
6.3.7 surface_3d_face . . . . 228
6.3.8 surface_3d_edge . . . . 229
6.3.9 surface_2d_face . . . . 230
6.3.10 surface_2d_edge . . . . 230
6.3.11 field_value . . . . 231
6.3.12 unspecified_value . . . . 231
6.3.13 measure_or_unspecified_value. . . 232
6.3.14 boundary_variable . . . . 232
6.3.15 boundary_aggregated_variable. . . 232
6.3.16 volume_variable . . . . 233
6.3.17 volume_aggregated_variable. . . 233
6.3.18 surface_element_variable . . . 233
6.3.19 boundary_edge_variable . . . . 234
6.3.20 curve_element_variable . . . . 234
6.3.21 curve_scalar_variable . . . . . 235
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6.3.22 surface_scalar_variable . . . . 236
6.3.23 volume_scalar_variable . . . . 236
6.3.24 boundary_curve_scalar_variable. . . 237
6.3.25 boundary_surface_scalar_variable . . . 237
6.3.26 aggregated_scalar_variable. . . 238
6.3.27 volume_angular_variable . . . 238
6.3.28 aggregated_angular_variable. . . 239
6.3.29 application_defined_scalar_variable . . . 239
6.3.30 curve_vector_2d_variable . . . 240
6.3.31 surface_vector_2d_variable . . . 242
6.3.32 application_defined_vector_2d_variable. . . 243
6.3.33 curve_vector_3d_variable . . . 243
6.3.34 surface_vector_3d_variable . . . 243
6.3.35 volume_vector_3d_variable . . . 244
6.3.36 boundary_curve_vector_3d_variable . . . 245
6.3.37 boundary_surface_vector_3d_variable. . . 245
6.3.38 aggregated_vector_3d_variable . . . 246
6.3.39 application_defined_vector_3d_variable. . . 246
6.3.40 surface_tensor2_2d_variable. . . 246
6.3.41 application_defined_tensor2_2d_variable . . . . . 248
6.3.42 volume_tensor2_3d_variable. . . 249
6.3.43 aggregated_tensor2_3d_variable. . . 250
6.3.44 application_defined_tensor2_3d_variable . . . . . 250
6.3.45 message_level . . . . 251
6.3.46 surface_3d_state_coordinate_system . . . 251
6.3.47 surface_2d_state_coordinate_system . . . 252
6.3.48 curve_3d_state_coordinate_system . . . 252
6.3.49 curve_2d_state_coordinate_system . . . 252
6.3.50 action_type . . . . 253
6.3.51 volume_3d_element_output_reference . . . 253
6.3.52 volume_2d_element_output_reference . . . 254
6.3.53 surface_3d_element_output_reference. . . 254
6.3.54 surface_2d_element_output_reference. . . 255
6.3.55 curve_3d_element_output_reference. . . 255
6.3.56 curve_2d_element_output_reference. . . 256
6.3.57 node_output_reference . . . . . 256
6.4 Finite element analysis control and result entity definitions: Analysis control . 257
6.4.1 control . . . . 257
6.4.2 analysis_step . . . . 258
6.4.3 control_analysis_step . . . . . 258
6.4.4 symmetry_control . . . . 259
6.4.5 no_symmetry_control . . . . . 259
6.4.6 cylindrical_symmetry_control . . . 260
6.4.7 control_linear_static_analysis_step . . . 260
6.4.8 control_linear_static_analysis_step_with_harmonic. . 260
6.4.9 control_linear_modes_and_frequencies_analysis_step . . 261
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6.4.10 constraint_element . . . . 262
6.4.11 single_point_constraint_element. . . 262
6.4.12 linear_constraint_equation_element . . . 263
6.4.13 linear_constraint_equation_nodal_term . . . 264
6.4.14 freedom_and_coefficient . . . . 265
6.4.15 nodal_dof_reduction . . . . . . 265
6.4.16 point_constraint . . . . 266
6.4.17 curve_constraint . . . . 267
6.4.18 surface_constraint . . . . 267
6.4.19 solid_constraint. . . . 268
6.4.20 control_process. . . . 269
6.4.21 control_linear_static_load_increment_process . . 270
6.4.22 control_linear_modes_and_frequencies_process . . 270
6.4.23 element_sequence . . . . 271
6.4.24 node_sequence . . . . 272
6.5 Finite element analysis control and result entity definitions: Analysis results. 272
6.5.1 result . . . . 272
6.5.2 result_analysis_step . . . . 273
6.5.3 result_linear_static_analysis_sub_step. . . 274
6.5.4 result_linear_modes_and_frequencies_analysis_sub_step. . 274
6.5.5 control_result_relationship. . . 275
6.6 Finite element analysis control and result entity definitions: Model state . . 275
6.6.1 state. . . . . 276
6.6.2 state_with_harmonic . . . . . . 276
6.6.3 specified_state . . . . 277
6.6.4 calculated_state. . . . 277
6.6.5 linearly_superimposed_state . . . 277
6.6.6 state_component . . . . 278
6.6.7 output_request_state . . . . 278
6.6.8 state_relationship. . . . 279
6.7 Finite element analysis control and result entity definitions: State definition . 280
6.7.1 state_definition . . . . 280
6.7.2 field_variable_definition . . . . 282
6.7.3 field_variable_element_definition . . . 282
6.7.4 volume_3d_element_field_variable_definition . . 283
6.7.5 volume_3d_element_location_point_variable_values . . 284
6.7.6 volume_3d_element_value_and_location . . . . . 284
6.7.7 volume_3d_whole_element_variable_value . . . . 285
6.7.8 volume_3d_element_constant_specified_variable_value . . 286
6.7.9 volume_3d_element_nodal_specified_variable_values . . 287
6.7.10 volume_3d_element_boundary_location_point_variable_values . . . 288
6.7.11 volume_3d_element_boundary_whole_face_variable_value . . 289
6.7.12 volume_3d_element_boundary_constant_specified_variable_value . . 290
6.7.13 volume_3d_element_boundary_nodal_specified_variable_values . . 291
6.7.14 volume_3d_element_boundary_edge_location_point_volume_variable_values . 292
6.7.15 volume_3d_element_boundary_edge_whole_edge_variable_value . . 293
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6.7.16 volume_3d_element_boundary_edge_constant_specified_volume_variable_value 294
6.7.17 volume_3d_element_boundary_edge_nodal_specified_variable_values . 295
6.7.18 volume_2d_element_field_variable_definition . . 296
6.7.19 volume_2d_element_location_point_variable_values . . 296
6.7.20 volume_2d_element_value_and_location . . . . . 297
6.7.21 volume_2d_whole_element_variable_value . . . . 298
6.7.22 volume_2d_element_constant_specified_variable_value . . 299
6.7.23 volume_2d_element_nodal_specified_variable_values . . 300
6.7.24 volume_2d_element_boundary_location_point_variable_values . . . 301
6.7.25 volume_2d_element_boundary_whole_face_variable_value . . 302
6.7.26 volume_2d_element_boundary_constant_specified_variable_value . . 303
6.7.27 volume_2d_element_boundary_nodal_specified_variable_values . . 304
6.7.28 volume_2d_element_boundary_edge_location_point_volume_variable_values . 305
6.7.29 volume_2d_element_boundary_edge_whole_edge_variable_value . . 306
6.7.30 volume_2d_element_boundary_edge_constant_specified_volume_variable_value 307
6.7.31 volume_2d_element_boundary_edge_nodal_specified_variable_values . 308
6.7.32 surface_3d_element_field_variable_definition . . . 309
6.7.33 surface_3d_element_location_point_volume_variable_values . . . . 310
6.7.34 surface_3d_element_value_and_location . . . . . 310
6.7.35 surface_3d_element_value_and_volume_location. . 311
6.7.36 surface_3d_element_location_point_variable_values . . 312
6.7.37 surface_3d_whole_element_variable_value . . . . 313
6.7.38 surface_3d_element_constant_specified_variable_value . . 314
6.7.39 surface_3d_element_constant_specified_volume_variable_value . . . 315
6.7.40 surface_3d_element_nodal_specified_variable_values . . 316
6.7.41 surface_3d_element_boundary_location_point_surface_variable_values . 317
6.7.42 surface_3d_element_boundary_whole_face_variable_value . . 318
6.7.43 surface_3d_element_boundary_constant_specified_surface_variable_value . . . 319
6.7.44 surface_3d_element_boundary_constant_specified_variable_value . . 320
6.7.45 surface_3d_element_boundary_nodal_specified_variable_values . . . 321
6.7.46 surface_3d_element_boundary_edge_location_point_surface_variable_values . . 322
6.7.47 surface_3d_element_boundary_edge_location_point_variable_values . 323
6.7.48 surface_3d_element_boundary_edge_whole_edge_variable_value . . 324
6.7.49 surface_3d_element_boundary_edge_constant_specified_surface_variable_value 325
6.7.50 surface_3d_element_boundary_edge_constant_specified_variable_value . 326
6.7.51 surface_3d_element_boundary_edge_nodal_specified_variable_values . 327
6.7.52 surface_2d_element_field_variable_definition . . . 328
6.7.53 surface_2d_element_location_point_volume_variable_values . . . . 329
6.7.54 surface_2d_element_value_and_location . . . . . 329
6.7.55 surface_2d_element_value_and_volume_location. . 330
6.7.56 surface_2d_element_location_point_variable_values . . 331
6.7.57 surface_2d_whole_element_variable_value . . . . 332
6.7.58 surface_2d_element_constant_specified_variable_value . . 333
6.7.59 surface_2d_element_constant_specified_volume_variable_value . . . 334
6.7.60 surface_2d_element_nodal_specified_variable_values . . 335
6.7.61 surface_2d_element_boundary_location_point_surface_variable_values . 336
xii �c ISO 2000 – All rights reserved
6.7.62 surface_2d_element_boundary_whole_face_variable_value . . 337
6.7.63 surface_2d_element_boundary_constant_specified_surface_variable_value . . . 338
6.7.64 surface_2d_element_boundary_constant_specified_variable_value . . 339
6.7.65 surface_2d_element_boundary_nodal_specified_variable_values . . . 340
6.7.66 surface_2d_element_boundary_edge_location_point_surface_variable_values . . 341
6.7.67 surface_2d_element_boundary_edge_location_point_variable_values . 342
6.7.68 surface_2d_element_boundary_edge_whole_edge_variable_value . . 343
6.7.69 surface_2d_element_boundary_edge_constant_specified_surface_variable_value 344
6.7.70 surface_2d_element_boundary_edge_constant_specified_variable_value . 345
6.7.71 surface_2d_element_boundary_edge_nodal_specified_variable_values . 346
6.7.72 curve_3d_element_field_variable_definition . . . 347
6.7.73 curve_3d_element_location_point_volume_variable_values . . 347
6.7.74 curve_3d_element_value_and_location . . . 348
6.7.75 curve_3d_element_value_and_volume_location . . 349
6.7.76 curve_3d_element_location_point_variable_values . . 350
6.7.77 curve_3d_whole_element_variable_value . . . . . 351
6.7.78 curve_3d_element_constant_specified_variable_value . . 352
6.7.79 curve_3d_element_constant_specified_volume_variable_value . . . . 353
6.7.80 curve_3d_element_nodal_specified_variable_values . . 354
6.7.81 curve_2d_element_field_variable_definition . . . 354
6.7.82 curve_2d_element_location_point_volume_variable_values . . 355
6.7.83 curve_2d_element_value_and_location . . . 356
6.7.84 curve_2d_element_value_and_volume_location . . 356
6.7.85 curve_2d_element_location_point_variable_values . . 357
6.7.86 curve_2d_whole_element_variable_value . . . . . 358
6.7.87 curve_2d_element_constant_specified_variable_value . . 359
6.7.88 curve_2d_element_constant_specified_volume_variable_value . . . . 360
6.7.89 field_variable_element_group_value. . . 361
6.7.90 field_variable_whole_model_value . . . 362
6.7.91 field_variable_node_definition. . . 362
6.7.92 volume_3d_node_field_variable_definition . . . . 363
6.7.93 volume_2d_node_field_variable_definition . . . . 364
6.7.94 surface_3d_node_field_variable_definition . . . . 365
6.7.95 surface_3d_node_field_section_variable_values . . 365
6.7.96 surface_3d_node_field_aggregated_variable_values . . 366
6.7.97 surface_2d_node_field_variable_definition . . . . 367
6.7.98 surface_2d_node_field_section_variable_values . . 367
6.7.99 surface_2d_node_field_aggregated_variable_values . . 368
6.7.100 curve_3d_node_field_variable_definition . . . . . 369
6.7.101 curve_3d_node_field_section_variable_values . . 369
6.7.102 curve_3d_node_field_aggregated_variable_values . . 370
6.7.103 curve_2d_node_field_variable_definition . . . . . 371
6.7.104 curve_2d_node_field_section_variable_values . . 371
6.7.105 curve_2d_node_field_aggregated_variable_values . . 372
6.7.106 nodal_freedom_and_value_definition . . . 373
6.7.107 nodal_freedom_values . . . . . 374
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6.7.108 nodal_freedom_action_definition . . . 374
6.7.109 element_nodal_freedom_actions. . . 375
6.7.110 element_nodal_freedom_terms . . . 375
6.7.111 point_freedom_and_value_definition . . . 376
6.7.112 point_freedom_values . . . . . 377
6.7.113 point_freedom_action_definition . . . 377
6.7.114 curve_freedom_and_value_definition . . . 378
6.7.115 curve_freedom_values . . . . . 379
6.7.116 curve_freedom_action_definition . . . 379
6.7.117 surface_freedom_and_value_definition . . . 379
6.7.118 surface_freedom_values . . . . 380
6.7.119 surface_freedom_action_definition . . . 381
6.7.120 solid_freedom_and_value_definition . . . 381
6.7.121 solid_freedom_values . . . . . 382
6.7.122 solid_freedom_action_definition. . . 382
6.7.123 freedoms_list . . . . 383
6.7.124 linear_constraint_equation_element_value . . . 383
6.7.125 single_point_constraint_element_values. . . 384
6.7.126 analysis_message. . . . 384
6.7.127 whole_model_analysis_message. . . 385
6.7.128 whole_model_modes_and_frequencies_analysis_message . . 385
6.7.129 element_analysis_message. . . 386
6.7.130 node_analysis_message . . . . 386
6.7.131 element_group_analysis_message . . . 387
6.7.132 volume_3d_substructure_element_reference . . . 387
6.7.133 volume_2d_substructure_element_reference . . . 388
6.7.134 surface_3d_substructure_element_reference . . . 388
6.7.135 surface_2d_substructure_element_reference . . . 389
6.7.136 curve_3d_substructure_element_reference . . . . 389
6.7.137 curve_2d_substructure_element_reference . . . . 390
6.7.138 substructure_node_reference. . . 390
6.8 Finiteelementanalysiscontrolandresultschemafunctiondefinitions . . 391
6.8.1 necessary_value_coordinate_system. . . 391
6.8.2 consistent_set_values. . . . 392
6.8.3 consistent_list_values . . . . 393
6.8.4 consistent_value . . . . 394
6.8.5 variable_value_type . . . . 394
6.8.6 appropriate_set_value_existence. . . 396
6.8.7 appropriate_list_value_existence. . . 397
6.8.8 appropriate_value_existence . . . 398
7 FEAscalarvectortensorschema . . . . 399
7.1 Introduction. . . . 399
7.2 Fundamental concepts and assumptions . . . 399
7.3 FEA scalar vector tensor schema type definitions: The FEA representation of scalars,
vectors,andtensors . . . . 399
xiv �c ISO 2000 – All rights reserved
7.3.1 angular_value. . . . 400
7.3.2 scalar . . . . 400
7.3.3 tensor1 . . . . 400
7.3.4 tensor1_2d . . . . 401
7.3.5 tensor1_3d . . . . 401
7.3.6 symmetric_tensor2_2d . . . . . 402
7.3.7 anisotropic_symmetric_tensor2_2d . . . 402
7.3.8 symmetric_tensor2_3d . . . . . 403
7.3.9 isotropic_symmetric_tensor2_3d . . . 403
7.3.10 orthotropic_symmetric_tensor2_3d . . . 404
7.3.11 anisotropic_symmetric_tensor2_3d . . . 404
7.3.12 symmetric_tensor4_2d . . . . . 405
7.3.13 anisotropic_symmetric_tensor4_2d . . . 405
7.3.14 tensor_type . . . . 406
7.4 FEA scalar vector tensor schema type definitions: The FEA representation of a fourth
order material response tensor . . . . 407
7.4.1 symmetric_tensor4_3d . . . . . 407
7.4.2 anisotropic_symmetric_tensor4_3d . . . 409
7.4.3 fea_isotropic_symmetric_tensor4_3d . . . 410
7.4.4 fea_iso_orthotropic_symmetric_tensor4_3d . . . . 411
7.4.5 fea_transverse_isotropic_symmetric_tensor4_3d . . 412
7.4.6 fea_column_normalised_orthotropic_symmetric_tensor4_3d. . 413
7.4.7 fea_column_normalised_monoclinic_symmetric_tensor4_3d. . 415
7.5 FEA scalar vector tensor schema entity definitions: Tensor representation . 418
7.5.1 tensor_representation_item. . . 418
Annex A (normative) Short names of entities. . . 419
AnnexB(normative) Informationobjectregistration . . . 430
B.1 Documentidentification . . . . 430
B.2 Schemaidentification. . . . 430
B.2.1 structural_response_definition_schema identification . . 430
B.2.2 structural_response_representation_schema identification . . 430
B.2.3 finite_element_analysis_control_and_result_schema identification . . 430
B.2.4 fea_scalar_vector_tensor_schemaidentification. . 431
AnnexC(informative) Computer-interpretablelistings . . . 432
AnnexD(informative) EXPRESS-Gdiagrams . . . 433
Annex E (informative) Finite element multi-disciplinary and nonl
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