简介:Thearticleexaminestheworldexperienceofe-learningaswellasdistanceeducationtechnologieswithintheeducationprocessorganizationonhigherandpost-highereducationprograms.Therehavebeenlistedtheresultsofthemostpopulare-leamingplatformsanalysis.Furthermore,therehavebeenlookedthroughthecorelegislativebackgroundofthedevelopmentofthementionedtechnologiesinRussiaandworldwideamongtheuniversities,specializedinseafarerstraining.TherehavebeenalsodrawnupthepointsoftheAdmiralMakarovStateUniversityofMaritimeandInlandShipping(AdmiralMakarovSUMIS)designofthedistanceeducationsystemLMS“FARWATER”incompliancewiththeInternationalConventiononStandardsofTraining,CertificationandWatchkeepingforSeafarers(STCWConvention).Thepracticalapplicationofdistanceeducationsystemtotheadvancedprofessionaltraininghasbeendiscussedinthearticle.
简介:TheproblemofshiphullplateprocessingsurfacefairingwithconstraintsbasedonB-splineissolvedinthispaper.ThealgorithmforB-splinecurvefairingwithconstraintsisoneofthemostcommonmethodsinplanecurvefairing.Thealgorithmcanbeappliedtoglobalandlocalcurvefairing.Itcanconstraintheperturbationrangeofthecontrolpointsandtheshapevariationofthecurve,andgetabetterfairingresultinplanecurves.Inthispaper,anewfairingalgorithmwithconstraintsforcurvesandsurfacesinspaceispresented.Thenthismethodisappliedtotheexperimentsofshiphullplateprocessingsurface.Finallynumericalresultsareobtainedtoshowtheefficiencyofthismethod.
简介:SomeconstructcharacteristicsandcomposingmaterialofthenewGyro'srotorareintroduced.Somefactorsresultingindeformationoftherotorsurfaceareanalyzed.Underdifferentloadssuchastheforceofdeflectingcenter,thechangeoftemperature,theforceofpressureandcouplefactors,thedeformationofrotorisanalyzedwiththewaveletfiniteelementsimulationsoftware.Thevectordistributingmapofrotorreformationisgiven.Thedeformationresultingfromthepressureforceofphotonisstudied.Finally,theinfluenceonGyro'sperformancebecauseofanomaloussurfaceofrotorduetodeformationofrotorisresearchedandtheresultisusefultoforecasttheperformanceofthedriftofgyroscope.Thedisturbingmomentresultingfromthedeformationofrotorcanbecompensatedusingthemathematicmethod,andprovidesanimportantreferenceforbothdesignandoptimizationoftherotor.