简介:摘要:本文以三维CAD软件Solid Edge为例,结合我们公司生产的顺槽用破碎机设计工作,以及在生产过程中存在的破碎机整机吊装问题,对破碎机整机进行三维建模和分析,对比改进前后破碎机吊装时的合理性,促进Solid Edge软件在械产品设计中的应用。
简介:Anewrnultiscaleedgedetectionmethodispresented,whichisbasedonaneffectiveedgemeasure.Theeffectiveedgemeasure,usedtoadaptivelyadjustthescalesofwavelettransform,isdefinedusingthenovelfeaturesofimageedgeobtainedfromhumanbeingvisioncharacteristics.Finally,twoexperimentsshowthattheproposedalgorithmappearstoworkwell.
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简介:Weinvestigatetheelasticfieldinducedbyanedgedislocationinamultilayeredlaminatedcompositecomposedof(N—2)thinbondedelasticlayerssandwichedbetweentwosemi-infiniteelasticmedia.Asimpleclosed-formsolutionisobtainedwhenallthephaseshaveequalshearmodulusbutdifferentPoisson'sratios,andwhenthedislocationislocatedintheuppersemi-infinitephase.Theimageforceactingonthedislocationduetoitsinteractionwiththemultilayeredstructureisalsoderived.Severalspec...
简介:Inthispaper,themorphologicalfilterbasedonparametricedgedetectionispresentedandappliedtoimagingladarimagewithspecklenoise.ThisalgorithmandLaplacianofGaussian(LOG)operatorarecomparedonedgedetection.Theexperimentalresultsindicatethesuperiorperformanceofthiskindoftheedgedetection.
简介:Thesolid-phasesynthesisofisoxazolineson2-polystyrylsulfonamidoethanolresinisreported.2-Polystyrylsuifonamidoethanolresin1wasreactedwithacryloylchloridetoafford2-polystyrylsulfonylamidoethylacrylateresin2,whichwasfurtherreactedwithbrominatedaldoximesby[3+2]cycioadditiontogiveisoxazolineresin4.Resin4wastreatedwithaqueous6mol/LHCIsolutiontoobtainisoxazolinesingoodyieldandpurity.
简介:在这份报纸,稳固的粒子在的聚类的行为一二维(2D)liquidsolid使流体化床被使用费用学习测量并且处理技术的联合设备(电荷耦合器件)成像并且被分数维的分析描绘。在2Dliquidsolidfluidised床的稳固的粒子的分发不是制服和稳固的粒子的组织工会行为的电荷耦合器件图象表演在现在的试验性的条件下面被观察。稳固的粒子搬到在其配置经常在水平海滨形式的组或簇使流体化床的2D。簇的框分数维图形尺寸在2Dliquidsolid想象有与稳固的粒子直径和表面的液体速度的增长稳固的劫盗和还原剂升起的使流体化床的增加。在给定的稳固的劫盗和稳固的粒子尺寸,更轻的粒子显示出更小的分数维的尺寸。
简介:Westudyexperimentallyandtheoreticallytheplanardynamicsofpurelyrollingprismsonaroughramp,wheretherollingmotionisinterruptedintermittentlybyedgeimpacts.Theexperimentswerecarriedoutforprismsmadeofdifferentmaterialsandhavingdifferentgeometries.Wefoundthattheangularvelocitiesoftherollingprismsarematerial-independent,buttheychangesignificantlywiththeirgeometry.Wemodelledthedynamicsofedgeimpactsbyconsideringasocalleddetachmentfrontpropagatingacrossthecontactinterface.Thedetachmentfrontrepresentsthemovingboundarybetweenadetachedregionandastressregionthatcoexistwithintheinterfaceplane.Thetheoreticalanalysisindicatesthatthedetachmentfrontcanbecharacterizedbyascalenumber,whosevalueconvergesto0.4050forprismshavinglargenumberofedges.Anewjumpruleforedgeimpactsisthendeveloped,bywhichwecanaccuratelyreproducetheexperimentalobservations,andexplainwhythemotionoftheprismismaterial-independent.