1、Designation:F3093/F3093M19Standard Specification forAeroelasticity Requirements1This standard is issued under the fixed designation F3093/F3093M;the number immediately following the designation indicates the yearof original adoption or,in the case of revision,the year of last revision.A number in pa
2、rentheses indicates the year of last reapproval.A superscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This specification covers the aeroelasticity requirementsof the aeroplane.The material was developed through openconsensus of international experts in
3、 general aviation.Thisinformation was created by focusing on Level 1,2,3,and 4Normal Category aeroplanes.The content may be morebroadly applicable;it is the responsibility of the Applicant tosubstantiate broader applicability as a specific means of com-pliance.The topics covered within this document
4、 are:2.Referenced Documents,3.Terminology,4.Flutter.1.2 An applicant intending to propose this information asMeans of Compliance for a design approval must seek guid-ance from their respective oversight authority(for example,published guidance from applicable CAAs)concerning theacceptable use and ap
5、plication thereof.For information onwhich oversight authorities have accepted this standard(inwhole or in part)as an acceptable Means of Compliance totheir regulatory requirements(hereinafter“the Rules”),refer tothe ASTM Committee F44 web page(www.astm.org/COMMITTEE/F44.htm).1.3 UnitsThis document m
6、ay present information in eitherSI units,English Engineering units,or both.The values statedin each system are not necessarily exact equivalents;therefore,to ensure conformance with the standard,each system shall beused independently of the other,and values from the twosystems shall not be combined.
7、1.4 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.1.5
8、This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trad
9、e(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2F3061/F3061M Specification for Systems and Equipment inSmall AircraftF3065/F3065M Specification for Aircraft Propeller SystemInstallationF3115/F3115M Specification for Structural Durability forSmall Airplanes2.2 Federal Aviation Administratio
10、n(FAA)Document:3Airframe and Equipment Engineering Report No.45(ascorrected)“Simplified Flutter Prevention Criteria”19552.3 Federal Aviation Regulations:414 CFR 23 Amendment 623.Terminology3.1 Definitions:3.1.1 GVTground vibration testing3.1.2 V-nvelocity versus load factor4.Flutter4.1 It must be sh
11、own by the methods in 4.2,and either 4.3or 4.4,that the aeroplane is free from flutter,control reversal,and divergence for any condition of operation within the limitV-n envelope and at all speeds up to the speed specified for theselected method.In addition:4.1.1 Adequate tolerances must be establis
12、hed for quantitieswhich affect flutter,including speed,damping,mass balance,and control system stiffness;and4.1.2 The natural frequencies of main structural componentsmust be determined by vibration tests or other approvedmethods.This determination is not required for Level 1aeroplanes with VDup to
13、260 kph 140 knots CAS andmaximum gross weight up to 750 kg 1650 lbm.4.2 Flight flutter tests must be made to show that theaeroplane is free from flutter,control reversal,and divergence,and to show that:1This specification is under the jurisdiction ofASTM Committee F44 on GeneralAviation Aircraft and
14、 is the direct responsibility of Subcommittee F44.30 onStructures.Current edition approved Feb.15,2019.Published March 2019.Originallyapproved in 2015.Last previous edition approved in 2015 as F3093/F3093M15.DOI:10.1520/F3093_F3093M19.2For referenced ASTM standards,visit the ASTM website,www.astm.or
15、g,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Available from Federal Aviation Administration(FAA),800 IndependenceAve.,SW,Washington,DC 20591,http:/www.faa.gov.4Available from
16、U.S.Government Publishing Office,732 N.Capitol St.,NW,Washington,DC 20401,http:/www.gpo.gov.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(
