平板電腦的跌落與運輸中的振動仿真研究.pdf

1、南京航空航天大學碩士學位論文平板電腦的跌落與運輸中的振動仿真研究姓名：潘黎君申請學位級別：碩士專業(yè)：航空工程指導教師：朱如鵬201203平板電腦的跌落與運輸中的振動仿真研究ABSTRACTThed鋤ageto廿le1曲letPCism豳lyduetoVibrationandhi曲speedcollisionSoitisVe叫impoft鋤ttesearchs仇J∞【IralinteIlSi鑼intheprocessofhi曲一speed

2、collisionand啊brationApply仃aditionalexperimentalmetllodt0researchrelatiVequalityof廿leTabletPC，notoIllycoStlotSoftimea11dmoney，butalsomercarem鋤yobjectionsinmeexperimentFiniteelementmetllodisacalculationmetllodwhichiscOme、^

3、，iⅡldevelopingofcomputertectlllologyFiniteelememmemod弱ane仃lectiveme也odofengineeriI唱a11alySish雒beenwidelyuSedintlleenghle喇ng：field，andproVidesacompletelynewdesignmetllodfort11eTabletPCInnledropside，sincet11coriginalmodels

4、tm咖reof吐leTabletPCiscomple)【，notSuitablefordirectuseofmeorigillalmodeltosimulatetlleTabletPC，t11isarticleundermepremiseofdoingnot柚融t出en啪硎ca】siInula矗onresu慨ⅡleTabletPCmodelisappr0研ate】ysjmpli矗ed，andselectScommercialfinite

5、elementso丘wareANSYS／LS—DYNAaSanumericalsimulationt001砌吐lmedroptestv麗fiedfmiteel咖emmodel，aIldselectfour夠pica】dropconditions，o齜婦dropimpactStressdistributiontlleinfourfo肌sofdropbyana_lyzingmesimulationresultS，f_mdout廿le1’ab

6、letPCismoStlikelyt0bed鋤ageincomerdropimpa鴨a工ldtlles仃uctllreofme1’abletPCinS11aps，shellt11ickness鋤dmeribsareimproVedi11tlreeareas，矗naJlysummeduptIleea’ectiVeerlllancementIIlt11evibrationside，sirlcetlleoriginalmodel蚰mcture

7、of也eTabletPCpackageiscomple)【’notsuitablefordhctuSeoftheorigiIIalmodeltosimulatetheTabletPCpackage，釷lis礬cleuIldermepremiseOfdoingnot硪ect吐lemunericalsimulationresults，meTabletPCpackagemodelis印propriatelysimplified，aIldsel

8、ectscO蚴ercialfmiteelememsO腳areANSYSW砌(bench舔anmericalsimulationt001Wi也vibr撕ontestveri五edfllliteelementmodelofpacka百ngma：terialsByanal)，zingmenumericalsimula：tioIlaIla】yzedeasilyd鋤agedprintedcircuitboardoft11eTabletPCmt11

9、eVibration，fmdouttllepinoft1eSOPpackageof廿leprintedcircuitboardmostlikelyt0bedalTlageinmevibratioIl，a11dimprovemes仃u釀鵬of廿leTabletPCpackage訪packagmg鋤dprin_tedcirclJjtboa磚，observetheimpactofmaximums仃essoft|lepinaftert11ese