柱體剛度對冰激振動影響的實驗研究.pdf

1、⑩天率大薯碩士學(xué)位論文學(xué)科專業(yè)：船胄自與海；芏結(jié)構(gòu)拐哦協(xié)迂作者姓名：彭忠指導(dǎo)教師：史慶增教授7：喜—_芑當(dāng)ZⅡfi產(chǎn)卜兀亡ABSTRACTAtpmsent，theresearchontheroleofcylindricalrigidityintheice—inducedvibrationandthemodeltestofice—inducedVmrationhasnotbeencarriedoutsufficientlyInordert

2、ocontroltheice—inducedvibmtion，improvethesafetyfactorofplatforms，utilizingthepreciousexperimentdataofprojectfromtheexperimentalperspective，someaspectsofresearchaboutitasfollowinghavebeenundertakenForthepurposeofthispaper

3、aseriesofexperimentsweredesignedandexecutedwhichpmvidedenoughdataWithanalyzingthephenom黜anddataoftheseexperiments，amechanicsentitledtheinteractionWaSprovedintheiceinducedvibmtionDependingontherelationshipbetweentllecylin

4、dricalrigidityandthevelocityrangeoftheiceinducedsteadyvibrationthefactthatthevelocityrangewilldecreaseaccordingwitlltheincreaseofthecylindricAArigidityisimproved；theauthorpresentedapointofviewabouttheelasticcontrol，bythe

5、elasticresponseofstructuresandiceplates，aseriesofassumptionsontheeffectbetweenthecylindricalrigidityandthevelocityrangeoftheice—inducedsteadyvibrationWerepresentedThroughtheinfluencewhichtheelasticcontrolcoefficientimpos

6、edonthedynamicamplificationthefact血atthecylindricalrigiditycontrolstheiceinducedvibrationefficientlybyinterveningthefailuremodesandenergydistributionWasdemonstratedBecausethepurposeofthispaperistostudytheeffectofthecylin

7、dricalrigiditywiththeice—inducedvibrationandthestudymethodistheexperiment，SOtheconclusionsareprimarilylimitedintheseareasofsuchexperiments，atthesametime，asthemacroscopicalperspectivewasadoptedsuch8stheelasticcontrolcoeff