1、ICS 25.040.40 Ref. No. ISO 10303-104:2000/Cor.1:2009(E) ISO 2009 All rights reserved Published in Switzerland INTERNATIONAL STANDARD ISO 10303-104:2000 TECHNICAL CORRIGENDUM 1 Published 2009-11-15 INTERNATIONAL ORGANIZATION FOR STANDARDIZATION ORGANISATION INTERNATIONALE DE NORMALISATIONIndustrial a
2、utomation systems and integration Product data representation and exchange Part 104: Integrated application resource: Finite element analysis TECHNICAL CORRIGENDUM 1 Systmes dautomatisation industrielle et intgration Reprsentation et change de donnes de produits Partie 104: Ressources dapplication i
3、ntgres: Analyse par lments finis RECTIFICATIF TECHNIQUE 1 Technical Corrigendum 1 to ISO 10303-104:2000 was prepared by Technical Committee ISO/TC 184, Automation systems and integration, Subcommittee SC 4, Industrial data. Introduction This Technical Corrigendum corrects ISO 10303-104:2000. The pur
4、pose of the modifications to the text of ISO 10303-104:2000 is to correct the use of the definition attribute in four entities that are SUBTYPEs of the representation entity, which had a description attribute added after the publication of ISO 10303-104:2000. Modifications to the text of ISO 10303-1
5、04:2000 Page 40, 5.4.1 fea_model Delete the .definition attribute in the fea_model entity, which is a SUBTYPE of the representation entity, which had a .description attribute added after the publication of ISO 10303-104:2000 causing a conflict. Remove the current EXPRESS definition and replace with:
6、 PRESS specification: EX *) ENTITY fea_model SUPERTYPE OF (ONEOF(fea_model_2d, fea_model_3d) SUBTYPE OF (representation); creating_software : text; intended_analysis_code : SET 1:? OF text; analysis_type : text; UNIQUE UR1: SELFrepresentation.name; END_ENTITY; (* Page 90, 5.7.27 point_element_repres
7、entation Delete the .definition attribute in the point_element_representation entity, which is a SUBTYPE of the representation entity, which had a .description attribute added after the publication of ISO 10303-104:2000 causing a conflict. Remove the current EXPRESS ith: definition and replace w PRE
8、SS specification: EX *) ENTITY point_element_representation SUBTYPE OF (element_representation); model_ref : fea_model; matrix_set : SET 1:? OF point_element_matrix; UNIQUE UR1: model_ref, SELFrepresentation.name; WHERE WR1: SIZEOF (QUERY(item * SELFrepresentation.items | STRUCTURAL_RESPONSE_REPRESE
9、NTATION_SCHEMA. + FEA_AXIS2_PLACEMENT_3D IN TYPEOF (item) = 1; FU1: required_0d_nodes ( SELFelement_representation.node_list); EN(* D_ENTITY; ISO 10303-104:2000/Cor.1:2009(E) 2 ISO 2009 All rights reservedDelete the .definition attribute in the directionally_explicit_element_representation entity, w
10、hich is a SUBTYPE of the representation entity, which had a .description attribute added after the publication of ISO 10303-104:2000 causing a conflict. Remove finition and replace with: the current EXPRESS de PRESS specification: EX *) ENTITY directionally_explicit_element_representation SUBTYPE OF
11、 (element_representation); model_ref : fea_model; systems_and_freedoms : LIST 2:2 OF system_and_freedom; coefficient : directionally_explicit_element_coefficient; UNIQUE UR1: model_ref, SELFrepresentation.name; WHERE FU1: required_1d_nodes ( SELFelement_representation.node_list, linear); EN(*D_ENTIT
12、Y; Page 97, 5.7.35 explicit_element_representation Delete the .definition attribute in the explicit_element_representation entity, which is a SUBTYPE of the representation entity, which had a .description attribute added after the publication of ISO 10303-104:2000 causing a conflict. Remove the curr
13、ent EXPRESS ith: definition and replace w PRESS specification: EX *) ENTITY explicit_element_representation SUBTYPE OF (element_representation); model_ref : fea_model; matrix : explicit_element_matrix; UNIQUE UR1: model_ref, SELFrepresentation.name; WHERE WR1: SIZEOF (QUERY(item * SELFrepresentation
14、items | (STRUCTURAL_RESPONSE_REPRESENTATION_SCHEMA. + FEA_AXIS2_PLACEMENT_3D) IN TYPEOF (item) = 1; WR2: SIZEOF (matrix.node_dof_list) = SIZEOF (SELFelement_representation.node_list); EN (* D_ENTITY; Page 94, 5.7.32 directionally_explicit_element_representation ISO 10303-104:2000/Cor.1:2009(E) ISO 2009 All rights reserved 3
