矩形加肋板线性弯曲与受迫振动的实验研究以及无网格模拟.docx

矩形加肋板线性弯曲与受迫振动的实验研究以及无网格模拟
摘要：
本文通过实验和数值模拟的方法，研究了矩形加肋板的线性弯曲和受迫振动的特性。在实验中，我们使用了激光测量仪器对样品的形变进行了测量。在数值模拟中，我们采用了无网格方法对样品进行了模拟，得到了与实验结果相吻合的结果。通过实验和数值模拟的比较，我们发现了矩形加肋板在不同弯曲条件下的应变和应力分布特性，并研究了结构的失稳现象。同时，我们也对矩形加肋板的受迫振动进行了研究，了解了不同参数对振动特性的影响。最后，我们发现无网格方法是一种有效的数值模拟方法，可以应用于研究结构的力学特性，并能够为实验结果提供支持和解释。
关键词：矩形加肋板；线性弯曲；受迫振动；无网格模拟
Abstract:
Inthispaper,weinvestigatedthelinearbendingandforcedvibrationcharacteristicsofarectangularribbedplatethroughexperimentalandnumericalsimulations.Intheexperiment,weusedalasermeasurementinstrumenttomeasurethedeformationofthesample.Inthenumericalsimulation,weusedameshlessmethodtosimulatethesampleandobtainedresultsthatwereconsistentwiththeexperimentalresults.Bycomparingtheexperimentalandnumericalsimulationresults,wefoundthestrainandstressdistributioncharacteristicsoftherectangularribbedplateunderdifferentbendingconditions,andstudiedtheinstabilityphenomenonofthestructure.Atthesametime,wealsoconductedresearchontheforcedvibrationoftherectangularribbedplateandunderstoodtheinfluenceofdifferentparametersonthevibrationcharacteristics.Finally,wefoundthatthemeshlessmethodisaneffectivenumericalsimulationmethod,whichcanbeusedtostudythemechanicalpropertiesofstructuresandcanprovidesupportandexplanationforexperimentalresults.
Keywords:rectangularribbedplate;linearbending;forcedvibration;meshlesssimulation
Introduction:
Therectangularribbedplateiswidelyusedinengineeringandplaysanimportantroleinload-bearingstructures,suchasbridges,high-risebuildings,andoffshoreplatforms.Inpracticalapplications,itisoftensubjectedtocomplexloads,soitisnecessarytostudyitsmechanicalpropertiesunderdifferentconditions.Inthispaper,wefocusonthelinearbendingandforcedvibrationcharacteristicsoftherectangularribbedplateanduseexperimentalandnumericalsimulationmethodstostudythestructuralmechanicsoftheplate.
ExperimentalStudy:
Intheexperiment,weusedafour-pointbendingtesttostudythelinearbendingcharacteristicsoftherectangularribbedplate.Thesampledimensionswere400mmx100mmx4mm,withoneendfixedandtheotherends