ISO INTERNATIONAL 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 Systemes d'automatisation industrielle et integration Représentation et échange de donnees de produits - Partie 104: Ressources d'application intégrées: Analyse par éléments finis Reference number ISO 10303-104:2000(E) ISO @ ISO 2000 Not for Resale IS0 10303-104:2000(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this area. Adobe is a trademarkof Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by ISO member bodies. In the unlikely event @ISO2000 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Case postale 56. CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.ch Printed in Switzerland @ Iso 2000 - All rights reserved py IHS unde edwithoutlicense from IHS Not for Resale ISO 10303-104:2000(E) Contents Page 1 Scope 1 1.1 Analysis type scope 1 1.2 Structural response definition schema scope 1 1.3 Structural response representation schema scope 2 1.4 Finite element analysis control and result schema scope 3 1.5 Scalars, vectors, and tensors schema scope 3 2 Normative references 4 3 Terms, definitions, abbreviations, and symbols 5 3.1 Terms defined in ISO 10303-1 5 3.2 Other terms and definitions 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 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 Finite element analysis model relationships 14 5.2.3 Geometric founding and analysis space 15 5.2.4 Identifiers . 15 5.2.5 Coordinate systems 15 5.2.6 Element matrix integration 15 5.2.7 Units and measures . 15 5.2.8 Interface with the materials schema 15 5.2.9 Finite element analysis model, control, and result relationships 16 5.2.10 Use of element 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 @ISO 2000 - All rights reserved ii Copyright Internatiorial Organization for Standardization Not for Resale ISO 10303-104:2000(E) 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 28 5.3.22 matrix_symmetry 29 5.3.23 degree_of_freedom 30 5.3.24 enumerat