ISO 18437-5-2011 机械振动和冲击.粘弹性材料动态机械性能的特性.第5部分:基于测量和有限元分析之间比对的泊松比
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【英文标准名称】:Mechanicalvibrationandshock-Characterizationofthedynamicmechanicalpropertiesofvisco-elasticmaterials-Part5:Poissonratiobasedoncomparisonbetweenmeasurementsandfiniteelementanalysis
【原文标准名称】:机械振动和冲击.粘弹性材料动态机械性能的特性.第5部分:基于测量和有限元分析之间比对的泊松比
【标准号】:ISO18437-5-2011
【标准状态】:现行
【国别】:国际
【发布日期】:2011-04-15
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC108
【标准类型】:()
【标准水平】:()
【中文主题词】:定义(术语);弹性(流体);测量;测量技术;材料的机械性能;泊松比;冲击;规范(验收);测试;振动;振动效果;振动影响(对人体);振动测量;抗震试验
【英文主题词】:Definitions;Elasticproperties(fluids);Measurement;Measuringtechniques;Mechanicalpropertiesofmaterials;Poisson'sratio;Shock;Specification(approval);Testing;Vibration;Vibrationeffects;Vibrationeffects(humanbody);Vibrationmeasurement;Vibrationresistancetests
【摘要】:ThispartofISO18437specifiestwomethodsforestimatingPoissonratioor/andelasticmodulusforisotropicvisco-elasticorporous-elasticmaterialsforuseinlinearfiniteelementmethod(FEM)computerprogramsorothernumericalapproachestovibrationaloracousticproblemsinvisco-elasticstructuresofcomplicatedgeometry.Themethodisbasedoncomparisonbetweenmeasurementsofforce-deflectionorstiffnesscharacteristicsfordisc-shapedspecimens,withbondedboundaryconditionsatbothends,andFEMcalculationsofthoseconditionsasafunctionofPoissonratio.Thechoiceofthesingle-sampleortwo-samplemeasurementmethoddependsonwhetherthePoissonratioistobedeterminedaloneortogetherwiththeelasticmodulus.Sometimesthesematerialsareconsideredtobeincompressibleandbehavenon-linearlyespeciallyinlargestaticdeformations.Manycommercialcodesareavailabletosolvesuchproblems.ThisisnotthecaseinthispartofISO18437,whereonlysmalldeformationsobservedintypicalvibrationproblemsareconsideredand,hence,linearFEMcodesareadequateandmoreconvenient.ForthepurposesofthispartofISO18437,andwithintheframeworkofISO/TC108,thetermdynamicmechanicalpropertiesreferstothedeterminationofthefundamentalelasticproperties,e.g.thecomplexYoungmodulusandPoissonratio,asafunctionoftemperatureandfrequency.ThispartofISO18437isapplicabletoresilientmaterialsthatareusedinvibrationisolatorsinordertoreduce:a)transmissionofaudiofrequencyvibrationstoastructure,e.g.radiatingfluid-bornesound(airborne,structure-borne,orother);b)transmissionoflow-frequencyvibrationswhichcan,forexample,actuponhumansorcausedamagetostructuresorequipmentwhenthevibrationistoosevere.ThedataobtainedwiththemeasurementmethodsthatareoutlinedinthispartofISO18437andfurtherdetailedinISO18437-2toISO18437-4canbeusedfor:designofefficientvibrationisolators;selectionofanoptimumresilientmaterialforagivendesign;theoreticalcomputationofthetransferofvibrationsthroughisolators;informationduringproductdevelopment;productinformationprovidedbymanufacturersandsuppliers;qualitycontrol.
【中国标准分类号】:Z32
【国际标准分类号】:17_160
【页数】:20P.;A4
【正文语种】:英语
【原文标准名称】:机械振动和冲击.粘弹性材料动态机械性能的特性.第5部分:基于测量和有限元分析之间比对的泊松比
【标准号】:ISO18437-5-2011
【标准状态】:现行
【国别】:国际
【发布日期】:2011-04-15
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC108
【标准类型】:()
【标准水平】:()
【中文主题词】:定义(术语);弹性(流体);测量;测量技术;材料的机械性能;泊松比;冲击;规范(验收);测试;振动;振动效果;振动影响(对人体);振动测量;抗震试验
【英文主题词】:Definitions;Elasticproperties(fluids);Measurement;Measuringtechniques;Mechanicalpropertiesofmaterials;Poisson'sratio;Shock;Specification(approval);Testing;Vibration;Vibrationeffects;Vibrationeffects(humanbody);Vibrationmeasurement;Vibrationresistancetests
【摘要】:ThispartofISO18437specifiestwomethodsforestimatingPoissonratioor/andelasticmodulusforisotropicvisco-elasticorporous-elasticmaterialsforuseinlinearfiniteelementmethod(FEM)computerprogramsorothernumericalapproachestovibrationaloracousticproblemsinvisco-elasticstructuresofcomplicatedgeometry.Themethodisbasedoncomparisonbetweenmeasurementsofforce-deflectionorstiffnesscharacteristicsfordisc-shapedspecimens,withbondedboundaryconditionsatbothends,andFEMcalculationsofthoseconditionsasafunctionofPoissonratio.Thechoiceofthesingle-sampleortwo-samplemeasurementmethoddependsonwhetherthePoissonratioistobedeterminedaloneortogetherwiththeelasticmodulus.Sometimesthesematerialsareconsideredtobeincompressibleandbehavenon-linearlyespeciallyinlargestaticdeformations.Manycommercialcodesareavailabletosolvesuchproblems.ThisisnotthecaseinthispartofISO18437,whereonlysmalldeformationsobservedintypicalvibrationproblemsareconsideredand,hence,linearFEMcodesareadequateandmoreconvenient.ForthepurposesofthispartofISO18437,andwithintheframeworkofISO/TC108,thetermdynamicmechanicalpropertiesreferstothedeterminationofthefundamentalelasticproperties,e.g.thecomplexYoungmodulusandPoissonratio,asafunctionoftemperatureandfrequency.ThispartofISO18437isapplicabletoresilientmaterialsthatareusedinvibrationisolatorsinordertoreduce:a)transmissionofaudiofrequencyvibrationstoastructure,e.g.radiatingfluid-bornesound(airborne,structure-borne,orother);b)transmissionoflow-frequencyvibrationswhichcan,forexample,actuponhumansorcausedamagetostructuresorequipmentwhenthevibrationistoosevere.ThedataobtainedwiththemeasurementmethodsthatareoutlinedinthispartofISO18437andfurtherdetailedinISO18437-2toISO18437-4canbeusedfor:designofefficientvibrationisolators;selectionofanoptimumresilientmaterialforagivendesign;theoreticalcomputationofthetransferofvibrationsthroughisolators;informationduringproductdevelopment;productinformationprovidedbymanufacturersandsuppliers;qualitycontrol.
【中国标准分类号】:Z32
【国际标准分类号】:17_160
【页数】:20P.;A4
【正文语种】:英语
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