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 Wysłany: Sob 22:33, 15 Sty 2011 Temat postu: Design on the rotation period Note _3373 |
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Design on the rotation period Notes
LiuYH, LiJzandCenzz. FiniteElementAnalysisfortheBucklingofRota6onallyPeriodicStructuresinComputationalMech-anicsfortheNextMillennium [A]. WangCM, LeeKHandAngKK. ProceedingofAPCOM'99Ec]. Elsevier ,1999.555-56】. (Continued on page 122) Gan Operators Mechanics Volume 19 theendsofcrackisincreasedremarkably. Thetemperaturedistributionandformisincompletenesssymmetry. Theshapeofweldedjointbythenumericalsimulationhasanagreementwiththeexperimentalresults. Fromtheresultsoftemperaturegradientdistribution, itisshownthatthecompressivestressesappearandspreadingstressesdecreaseremarkablyneartheendsofthecrackduringthecurrentswitchingprocess. Therefore,[link widoczny dla zalogowanych], theformationandgrowthofthemaincrackisprevented. Keywords; Electro-magneticheateffect; crackpreventing; temperaturefield; numericalsimulation (on the next page 113) Anoteoncomputationofrotationallyperiodicstructures (DepartmentofMechanics & EngineeringScience, PekingUniversity,[link widoczny dla zalogowanych], Beijing100871,[link widoczny dla zalogowanych], China) Abstract: Rotationallyperiodicstructuresappearofteninscientificandengineeringcomputationinanalysisofspiralbladesofpropeller,[link widoczny dla zalogowanych], statorofultra-sonictravellingwavemotoretc. Theresearchinthisareausuallyinvolvesinreductionofcomputationaleffortbyusingcyclicmatrixorgrouptechniquesafterfiniteelementorboundarydementdiscretization. Inthispaper,[link widoczny dla zalogowanych], therotationallyperiodicstructuresaresimplifiedintoanumberofsmallerproblemswithhelpofdiscreteFouriertransformationinthecontinuousleve1. Basedonthissimplification, acomputationalapproachforrotationallyperiodicstructuresisproposed. Keywords: rotatlonallyperiodicstructure; discreteFouriertransformation; computation
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