ASME_V_V_10_Edtn_2006.pdf

AN AMERICAN NATIO NAL STANDARDGuide for Verification and Validation in Computational Solid MechanicsASME V&V 10-2006Copyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.ASME V&V 10-2006Guide forVerification andValidation inComputationalSolid MechanicsAN AMERICAN NATIONAL STANDARDThree Park Avenue New York,NY 10016Copyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.Date of Issuance:December 29,2006This Guide will be revised when the Society approves the issuance of a new edition.There will beno addenda issued to ASME V&V 10-2006.ASME issues written replies to inquiries concerning interpretations of technical aspects of thisdocument.Periodically certain actions of the ASME V&V Committees will be published as cases.Cases and interpretations are published on the ASME Web site under the Committee Pages athttp:/cstools.asme.org as they are issued.ASME is the registered trademark of The American Society of Mechanical Engineers.This Guide was developed under procedures accredited as meeting the criteria for American National Standards.TheStandards Committee that approved the Guide was balanced to assure that individuals from competent and concernedinterests have had an opportunity to participate.The proposed code or standard was made available for public reviewand comment that provides an opportunity for additional public input from industry,academia,regulatory agencies,and the public-at-large.ASME does not“approve,”“rate,”or“endorse”any item,construction,proprietary device,or activity.ASME does not take any position with respect to the validity of any patent rights asserted in connection with anyitems mentioned in this document,and does not undertake to insure anyone utilizing a standard against liability forinfringement of any applicable letters patent,nor assumes any such liability.Users are expressly advised that determina-tion ofthe validityof any suchpatent rights,andthe riskof infringement ofsuch rights,is entirely theirown responsibility.Participation by federal agency representative(s)or person(s)affiliated with industry is not to be interpreted asgovernment or industry endorsement of this code or standard.ASME accepts responsibility for only those interpretations of this document issued in accordance with the establishedASME procedures and policies,which precludes the issuance of interpretations by individuals.No part of this document may be reproduced in any form,in an electronic retrieval system or otherwise,without the prior written permission of the publisher.The American Society of Mechanical EngineersThree Park Avenue,New York,NY 10016-5990Copyright 2006 byTHE AMERICAN SOCIETY OF MECHANICAL ENGINEERSAll rights reservedPrinted in U.S.A.Copyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.CONTENTSForeword.ivCommittee Roster.vCorrespondence With the PTC 60 Committee.viiPreface.viii1Executive Summary.12Introduction.13Model Development.84Verification.125Validation.166Concluding Remarks.19Figures1Elements of V&V.22Hierarchical Structure of Physical Systems.43Example of Bottom-Up Approach to V&V.44V&V Activities and Products.65Path From Conceptual Model to Computational Model.9Table1PIRT Example.9Mandatory AppendicesIGlossary.23IINomenclature.25IIIBibliography.26iiiCopyrighted material licensed to Stanford University by Thomson Scientific(),downloaded on Oct-05-2010 by Stanford University User.No further reproduction or distribution is permitted.Uncontrolled when printed.FOREWORDSince the mid-1960s,computer simulations have come to dominate engineering mechanicsanalysis for all but the simplest problems.With todays increasing reliance on complicated simula-tions using computers,it is necessary to use a systematic program of verification and validation(V&V)to ensure the accuracy of these simulations.This document is intended to describe sucha program.The concept of systematic V&V is not a new one.The software development community haslong recognized the need for a quality assurance program for scientific and engineering software.The Institute of Electrical and Electronic Engineers,along with other organizations,has adoptedguidelines and standards for software quality assurance(SQA)appropriate for developers.SQAguidelines,while necessary,are not sufficient to cover the nuances of computational physics andengineering or the vast array of problems to which end-users apply the codes.To fill this gap,the concept of application-specific V&V was developed.Application-specific V&V has been the focus of attention for several groups in scientific andengi