简介：AlowfinenesseFabry-Perotinterferometricdisplacementsensorhasbeendevelopedandtested.WithusingahighstabilityHe-Nelaserandperfectsignalprocessingcircuits,noiselevelof0.01nmequivalenttoreflectordisplacementwasob-tainedinabandwidthof0-1kHz.

简介：Duringtherupturesofanearthquake,thestrainenergy.△E,.willbetransferredinto,atleast,threeparts,i.e..theseismicradiationenergy(E_s),fractureenergy(E_g),andfrictionalenergy(E_f),thatis,△E=E_s+E_g+E_f.Friction,whichisrepresentedbyavelocity-andstate-dependentfrictionlawbysomeresearchers,controlsthethreeparts.Oneofthemainparametersofthelawisthecharacteristicslipdisplacement.D_c.ItissignificantandnecessarytoevaluatethereliablevalueofD_cfromobservedandinvertedseismicdata.SinceD_ccontrolstheradiationefficiency.η_R=E_s/(E_s+E_g),thevalueofη_risagoodconstraintofestimatingD_c.Integratingobserveddataandinvertedresultsofsourceparametersfromrecordedseismograms.thevaluesofE_sandE_gofanearthquakecanbemeasured,thusleadingtothevalueofη_R.TheconstraintusedtoestimatethereliablevalueofD_cwillbedescribedinthiswork.AnexampleofestimatesofD_c.basedontheobservedandinvertedvaluesofsourceparametersoftheSeptember20,1999M_S7.6Chi-Chi(Ji-Ji).Taiwanregion,earthquakewillbepresented.

简介：Onthebasisofthemedicalandmechanicalanalysisandexplanationsinthispaperthevisco-elasticsimplysupportedbeammodelisproposedtotreatthedisplacementwaveofthebloodvessels.Therelationshipsbetweenthedisplacementwaveandbloodvesselelasticityaswellastheviscousdissipationofthebloodandbloodvesselareobtained.ThecorrespondingrelationsofsuchkindsofpulsesinthetraditionalChinesemedicineassmoothpulse,surfacepulseanddeeppulsetothedisplacementwavesofbloodvesselsarealsofound.Thecomputationalresultsareingoodagreementwiththoseacquiredintheexperimentswithultrasonicwave.

简介：Thestructureofanintensitymodulationopticalfibersensorisintroduced.Theprincipleofthesensorwhichcandetectminordisplacementbyuseofminorcurveindarkgroundisdescribed.Complexexperimentshowsthatthemultimodeopticalfibernotonlyhastheabilitlyofdetectingthedisplacementoflessthan0.1nm,butalsoexhibitscharacteristicsofwidedynamicrangeandgoodlinearity.

简介：AmodificationofafiniteelementmethodofDouglasandRobertsforapproximatingthesolutionoftheequationsdescribingcompressiblemiscibledisplacementinaporousmediumisproposedandanalyzed.ThepressureistreatedbyaparabolicmixedfiniteelementmethodusingaRaviart-Thomasspaceofindexroveraquasiregularpartition,AnextensionoftheDarcyvelocityalongGausslinesisusedintheevaluationofthecoefficientsintheGalerkinprocedurefortheconcentration.Asimplecomputationalprocedureallowsthesuperconvergencepropertyofthefluidvelocitytoberetainedinourtotalalgorithm.

简介：Inthisarticle,byusingthestabilityofCauchytypeintegralwhenthesmoothperturbationforintegralcurveandtheSobolevtypeperturbationforkerneldensityhappen,wediscussthestabilityofthesecondfundamentalprobleminplaneelasticitywhenthesmoothperturbationfortheboundaryoftheelasticdomain(unitdisk)andtheSobolevtypeperturbationforthedisplacementhappen.Andtheerrorestimateofthedisplacementbetweenthesecondfundamentalproblemanditsperturbedproblemisobtained.

简介：双光的排水量传感器被介绍与单身者相比获得更高的精确性。系统的结构和原则也被介绍，并且硬件和软件也被引进。系统的函数通过实验是可行的并且基于FPGA模仿数据进程。CLC数字TH822

简介：Inthispaper,theauthorobtainsthemoregeneraldisplacementsolutionsfortheisotropicplaneelasticityproblems.Thegeneralsolutionobtainedinref.[1]ismerelytheparticularcaseofthispaper,Incomparisonwithref.[1],thegeneralsolutionsofthispapercontainmorearbitraryconstants.Thustheymaysatisfymoreboundaryconditions.

简介：Thispaperpresentsafieldbasedmethodtodealwiththedisplacementofbuildingcluster,whichisdrivenbythestreetwidening.Thecompressofstreetboundaryresultsintheforcetopushthebuildingmovinginsideandtheforcepropagationisadecayprocess.Todescribethephenomenonabove,thefieldtheoryisintroducedwiththerepresentationmodelofisoline.OnthebasisoftheskeletonofDelaunaytriangulation,thedisplacementfieldisbuiltinwhichthepropagationforceisrelatedtotheadjacencydegreewithrespecttothestreetboundary.Thestudyoffersthecomputationofdisplacementdirectionandoffsetdistanceforthebuildingdisplacement.Thevectoroperationisperformedonthebasisofgradeandotherfieldconcepts.

简介：Thenumericalmoirémethodwithsensitivityashighas0.03nmhasbeenpresented.Aquantitativedisplacementandstrainanalysisprogramhasbeenproposedbyusingthismethod.Itisappliedtoauedgedislocationandastackingfaultinaluminum.ThemeasuredstrainofedgedislocationiscomparedwiththeoreticalpredictiongivenbyPeierls-Nabarrodislocationmodel.Thedisplacementofstackingfaultisalsoobtained.

简介：The2Dplanegasflowunderheating(withnonentityboundarycondition)hasbeendiscussedbytheanalyticalapproachinthispaper.Theapproximateanalyticalsolutionshavebeenobtainedfortheflowpassingvariouskindsofheatsources.Solutionsdemonstratethethermaldisplacementphenomenaarestronglydependontheheatingintensity.

简介：Opticalfull-fieldmeasurementmethodsarenowwidelyappliedinvariousdomains.Ingeneral,thedisplacementfieldscanbedirectlyobtainedfromthemeasurement,howeverinmechanicalanalysisstrainfieldsarepreferred.Toextractstrainfieldsfromnoisydisplacementfieldsisalwaysachallengingtopic.Inthisstudy,afiniteelementmethodforsmoothingdisplacementfieldsandcalculatingstrainfieldsisproposed.Anexperimentaltestcaseonaholedaluminumspecimenundertensionisappliedtovali...

简介：Inordertoinvestigatetheinfluenceoftheverticalvibrationloadingontheliquefactionofsaturatedsand,onedimensionalmodelforthesaturatedsandwithaverticalvibrationispresentedbasedonthetwophasecontinuousmediatheory.Thedevelopmentoftheliquefactionandtheliquefactionregionareanalyzed.Itisshownthattheverticalvibrationloadingcouldinduceliquefaction.Therateoftheliquefactionincreaseswiththeincreaseoftheinitiallimitstrainorinitialporosityoramplitudeandfrequencyofloading,andincreaseswiththedecreaseofthepermeabilityorinitialmodulus.Itisshownalsothatthereisaphaselaginthesandcolumn.Whenthesandpermeabilitydistributionisnon-uniform,theporepressureandthestrainwillrisesharplywherethepermeabilityisthesmallest,andfracturemightbeinduced.Withthedevelopmentofliquefaction,thestrengthofthesoilfoundationbecomessmallerandsmaller.Inthelimitingcase,landslidesordebrisflowscouldoccur.

简介：Inthispaper,thephenomenononcollapsibletubedisplacementoscillation,anewbehaviorofthecollapsibletubepuisatileflowhasbeenstudied.Theexperimentsshowthatthecollapsibletube,inwhichtheflowisperiodicpuisatileintheupstream,willoscillateasasimplesupportedbeamwhenitiscollapsedtocertainextent,andthatifthetubeiscollapsedcontinue,thisoscillationwilltendtoweakandcompletelydisappearlastly.Ananalyticalmodelcorrespondingtothecollapsibletubedisplacementoscillationanditsgovernedequationsaresetupfromtheexperimentbackground.Byanalysingthemodelandsolvingtheequations,thecollapsibletubedisplacementoscillationpatternandtheoscillationoccurringordisappearingcriterionareobtained.Theresultspredictedbythisstudyareinagreementwiththoseobservedfromexperimentphenomena.

简介：为预言在室内的空格的喷雾器粒子分散与试验性的数据被验证的一个建议计算机模型在文学发现了，并且然后被用来在排水量通风(DV)在粒子分散上学习区域和点来源地点的效果房间。结果证明那个喷雾器来源地点在空间分发和室内的粒子的移动率上有强壮的影响。粒子移动性能在室内的表面上强烈取决于通风效率和粒子免职率。为两相对通风效率和免职率的重要考虑相对主要气流模式和占据地区由喷雾器来源的位置组成。

简介：排水量操作员是一重要、静止在地图归纳的一个热话题。在归纳产品，符号一定不含糊、容易察觉、容易地听说，它在特征之中做空格竞争在地图的进程的一个重要障碍反对排水量。通过繁殖过程，在目标之间的空间冲突可以被散布，更多的目标可以漂流进它。为了维持符号，在符号的对象，一些不重要的符号或部分之间的平衡和空间关系应该根据视觉图形的分辨率阀值在限制下面被弄歪在地图特征之中弄明白空格竞争。包括位置，易读性和特征的三限制为符号平衡和空间关系的维护是重要的，它在这篇论文被讨论。骨骼被介绍表示区域目标考虑特征，一个区域目标能在被分开到在构造根据他们的重要性分开教主的联盟者。然后，有限元素方法被用于地图目标的排水量和失真，为有限元素方法的参数的策略在被讨论。

简介：Compressiblemiscibledisplacementofonefluidbyanotherinporousmediaismodelledbyanonlinearparabolicsystem.Afiniteelementprocedureisintroducedtoapproximatetheconcentrationofonefluidandthepressureofthemixture.TheconcentrationistreatedbyaGalerkinmethodwhilethepressureistreatedbyaparabolicmixedfiniteelementmethod.Theeffectofdispersion,whichisneglectedin[1],isconsidered.OptimalorderestimatesinL2arederivedfortheerrorsintheapproximatesolutions.

简介：ＩｎｔｒｏｄｕｃｔｉｏｎＩｎＧｕｉｘｉＳｍｅｌｔｅｒ，ｃｏｐｐｅｒａｎｏｄｅｓｌｉｍｅｗａｓｔｒｅａｔｅｄｂｙｍｅａｎｓｏｆｔｅｃｈｎｏｌｏｇｉｃａｌｐｒｏｃｅｓｏｆｖｏｌａｔｉｌｉｚｉｎｇＳｅｉｎａｒｏｔａｒｙｋｉｌｎ，ｐｉｃｋｉｎｇｃｏｐｐｅ...

简介：在上期“讲经堂”中我曾给大家介绍了一些三维后期的制作效果，作品“火山”完成后，我觉得自己的思维方式有了一些变化，对大场景的追求也成了我近期很明确的目标。于是自然而然地就有了对这幅塔构思。

简介：Adual-beamelectronicspecklepatterninterferometry(ESPI)systemwasadoptedtogetspecklepatternsforthemeasurementofweldingdynamicdisplacementfields.Themathematicalmodelofthissystemwasdescribed,basedonwhichmethodsoftheESPIpatternimageprocessingwerediscussed.Graytransformationandhistogramequalizationwereusedtoenhancethecontrastofspecklepatterns.Adiscretecosineimageprocessingmethodwascarriedoutandanexponentlow-passfilterwaschosentoreducemultiplicativenoiseinspecklepatterns.Specklegrainnoisecanbeeliminatedeffectivelyaftertheseprocesses.