简介:TheSCOhasbeencloselyfollowingdevelopmentsinAfghanistanandhasattachedgreatimportancetotheaffectofthecivilwarinthecountryontheregion.WaranddrugsinAfghanistanaredirectlylinkedtothespreadofthe"threeforces"inCentralAsiaandtocross-bordercrime.TheSCO'spositionontheAfghanissueisasfollows:ItrespectsthewilloftheAfghanpeopletosetupagovernmentthataccordswiththepeople'sowninterests;itsupportstheAfghangovernmentinrealizingeconomicdevelopmentwiththehelpoftheinternationalcommunityandpreservingpeaceandstabilityinthecountry;itstressestheimportanceofmaintainingtheleadingroleoftheUnitedNationsincoordinatinginternationalassistancetoAfghanistan;anditexpressesitscommitmenttoenhancecooperationwiththeAfghangovernmentoncombatingterrorism,illicitdrugstraffickingandorganizedcrime.
简介:Inthispaper,aboundaryfeedbacksystemofaclassofnon-uniformundampedTimoshenkobeamwithbothendsfreeisconsidered.Alinearizedthree-leveldifferenceschemefortheTimoshenkobeamequationsisderivedbythemethodofreductionoforderonuniformmeshes.Theuniquesolvability,unconditionalstabilityandconvergenceofthedifferenceschemeareprovedbythediscreteenergymethod.Theconvergenceorderinmaximumnormisofordertwoinbothspaceandtime.Thevalidityofthistheoreticalanalysisisverifiedexperimentally.
简介:有多域和三倍的连接点的椭圆形的接口问题在工程和科学有宽应用程序。然而,角落奇特为大多数存在方法使它成为一个挑战性的问题。一个精确、有效的方法被需要。在这份报纸,有non-body-fitting格子的一个有效非传统的有限元素方法被建议与多域和三倍的连接解决椭圆形的接口问题。结果方程的线性系统是积极的明确如果为在领域的椭圆形的方程的矩阵系数是积极的明确。数字实验证明这个方法是在为piecewise的L标准精确的大约第二份订单光滑的答案。角落奇特能以一个方法被处理以便精确性不堕落。三倍的连接小心地被解决,它不需要被放在格子上,给我们的方法潜力对待没有改革网孔的动人的接口问题。