平板電腦的跌落與運(yùn)輸中的振動仿真研究.pdf

1、南京航空航天大學(xué)碩士學(xué)位論文平板電腦的跌落與運(yùn)輸中的振動仿真研究姓名：潘黎君申請學(xué)位級別：碩士專業(yè)：航空工程指導(dǎo)教師：朱如鵬201203平板電腦的跌落與運(yùn)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