Resolvent methods are presented for generating systematically iterative numerical algorithms for constrained problems in mechanics.The abstract framework corresponds to a general mixed finite element subdif-ferential ...Resolvent methods are presented for generating systematically iterative numerical algorithms for constrained problems in mechanics.The abstract framework corresponds to a general mixed finite element subdif-ferential model,with dual and primal evolution versions,which is shown to apply to problems of fluid dynamics,transport phenomena and solid mechanics,among others.In this manner,Uzawa's type methods and penalization-duality schemes,as well as macro-hybrid formulations,are generalized to non necessarily potential nanlinear mechanical problems.展开更多
The Beijing SHRIMP Centre(BSC)celebrates its 10th Anniversary on 18 December 2011.It has become known as one of the most successful ion microprobe laboratories world-wide and is a world-class platform for isotopic dat...The Beijing SHRIMP Centre(BSC)celebrates its 10th Anniversary on 18 December 2011.It has become known as one of the most successful ion microprobe laboratories world-wide and is a world-class platform for isotopic dating.It has helped countless scientists to resolve critical geological problems and thus greatly promoting the development of the geological sciences in and outside China.展开更多
Chinese Ministry of Railways statistics show that from September 28 to October 7,the National Day Holiday period,China’s railway networks were used for 67 million trips,an all-time high.On October 1 alone,8.9 million
文摘Resolvent methods are presented for generating systematically iterative numerical algorithms for constrained problems in mechanics.The abstract framework corresponds to a general mixed finite element subdif-ferential model,with dual and primal evolution versions,which is shown to apply to problems of fluid dynamics,transport phenomena and solid mechanics,among others.In this manner,Uzawa's type methods and penalization-duality schemes,as well as macro-hybrid formulations,are generalized to non necessarily potential nanlinear mechanical problems.
文摘The Beijing SHRIMP Centre(BSC)celebrates its 10th Anniversary on 18 December 2011.It has become known as one of the most successful ion microprobe laboratories world-wide and is a world-class platform for isotopic dating.It has helped countless scientists to resolve critical geological problems and thus greatly promoting the development of the geological sciences in and outside China.
文摘Chinese Ministry of Railways statistics show that from September 28 to October 7,the National Day Holiday period,China’s railway networks were used for 67 million trips,an all-time high.On October 1 alone,8.9 million
