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PostWysłany: Nie 3:00, 08 Maj 2011    Temat postu: Oakley juliet Soil - structure system frequency of

,ropa ed hardy
Soil - structure system frequency of random earthquake response - influence function in time domain


pilefoundations. In: Proc. EASEC a 4. Seoul, Korea. 1993.1655-16605KaulMK. Stochasticcharacterizationofearthquakesthroughtheirresponsespectrum. EESD ,ed hardy lippis,19786:497-5096 Xinggeshengzhao . Often Baoqi translation . Random vibration analysis . Beijing: Earthquake Press ,Oakley juliet, l978InfluenceFunctionMethodforRandomSeismicResponseofSoil-StructureSystemZhangHongruChenYingjun (Dept.ofCivilEngineering.NorthernJiaotongUniversityBeijing,Abercrombie and Fitch, 100044) AbstractArtinfluencefunctionmethodisproposedinthispaperforhon-stationaryrandomresponseofsoil-structuresystemunderseismicexcitation. Theseismicexcitationisassumedasanon-stationaryGaus-sianprocesswithevolutionaryspectraldensityandthesoil-structuresystemasatime-invariantlinearsys-ternwithhystereticmaterialdamping. Thefiniteelementmethodforcomplexresponseinfrequencydo-mainisusedtodeterminethefrequencyinfluencefunctionofsoil-structuresystem. Theunitimpulseinflu-eno8functionisobtainedbyinverseFFTfromthecorrespondingfrequencyinfluencefunction. Accordingtothetransferbehevi0roftime-invariantlinearsystemtorandomexcitation, thenon-stationarymeansquareresponsesandtheirspectralparametersareobtained. Theseparametersarethenusedtocalculatethedynamicreliabilityofthesystem. Numericalcalculationshowsthattheproposedmethodisaneffectiveapproachfordynamicreliabilityanalysisofsoil-structureinteraction. Sampleresultsindicatethatunder-estimateddynamicreliabilitymaybeobtainedfromstationaryprocesscomparedwiththecorrespondingmodulatednon-stationaryprocess. Keywortls: soildynamics,abercrombie uk, randomvibration; seismicresponse; non-stationaryprocess; soil-sturcturein-teraction Zhang Hongru the first of the men . Cut professor. March 1959 students.

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