非線性壓電彎曲執(zhí)行器的靜動力數(shù)值分析.pdf

1、v9569B‘磊糾犬孚碩士學(xué)位論文(2006屆)非線性壓電彎曲執(zhí)行器的靜動力數(shù)值分析Thestaticsanddynamicnumericalanalysisofnonnearpiezoelectricbendingactuators研究生姓名三堡指導(dǎo)教師姓名————J煎盎盤—絲撞———一專業(yè)名稱研究方向論文提交日期計算數(shù)學(xué)詩鞲卻聿2006年4月非線性壓電彎曲執(zhí)行器的靜動力數(shù)值分析英文摘蔓AbstractInthispapertheno

2、nlinearStaticdeformationsofs／mplysupportedfixedsupportedandcantileverpiezoelectriclaminatedbeamsundercombinedstrongelectricfieldandmechanicalforceandnonlineardynamiccharacteristicsofpiezoelectricbendingactuatorsunderstro

3、ngelectricfieldhasbeingstudiedThemathematicalmodelofpiezoelectriclaminatedbeamisobtainedwithaviewtoinfluenceoftheelectrostrictivenonlinearpiezoelectriceffecteleclroelasticnonlinearpiezoelectriceffectsandgeometricnonlinea

4、rityTheanalyticexpressionsofdeflectionanddisplacementofthebeamsforvariousboundaryconditionsa∞obtainedundercombinedelectricfieldanduniformlydistributedloadUsingtheasymptotictheoryofnonstationaryvibrationsandGalerkinmethod

5、thedynamiccharacteristicsofthelaminatedbeamsareobtainedBynumericalcalculationandanalysisofBimorphandUnimorphpiezoelectricbeamsthedifferenceandapplicablescopebetweenlinearandnonlinearmodelsarcfoundAndwealsogetthefundament

6、alresonantfrequencyofpiezoelectricslipsimplysupportedbeamswiththevariationinelectricfieldTherelationsbetweenpredictedl七50nallceamplitudeofmaxdeflectionsforthepiezoelectricactuatorsandtheelectricfieldKeywordspiezoelectric