For solving water entry problems, a numerical method is presented, which is a CFD method based on free surface capturing method and Cartesian cut cell mesh.In this approach, incompressible Euler equations for a variab...For solving water entry problems, a numerical method is presented, which is a CFD method based on free surface capturing method and Cartesian cut cell mesh.In this approach, incompressible Euler equations for a variable density fluid are numerically calculated by the finite volume method.Then artificial compressibility method, dual time-stepping technique and Roe's approximate Riemann solver are adopted in the numerical scheme.Finally, some application cases are designed to show the ability of the current method to cope with water entry problems in ocean engineering.展开更多
The article introduces ZTE's Softswitch-based NGN solutions. such as the long distance VolP service solution over data back- bone,and local voice and data service solution over MAN.Three application cases are anal...The article introduces ZTE's Softswitch-based NGN solutions. such as the long distance VolP service solution over data back- bone,and local voice and data service solution over MAN.Three application cases are analyzed,and NGN's features in aspects of network architecture,service provision and network management are summarized.展开更多
Digital transformation,central to modern enterprises,presents both challenges and opportunities.This paper underscores the role of standardization strategies in navigating these challenges,delineating primary digital ...Digital transformation,central to modern enterprises,presents both challenges and opportunities.This paper underscores the role of standardization strategies in navigating these challenges,delineating primary digital transformation trends and associated enterprise challenges.Standardization emerges as a solution,ensuring technological interoperability,risk reduction,and enhanced efficiency.As the technological landscape grows more complex,standardization offers clarity and direction,helping enterprises to seize opportunities and mitigate risks.The paper also gives recommendations for future research and business practices.The increasing synergy between digital transformation and standardization underscores its essentiality for forward-thinking enterprises.展开更多
There is an urgent necessity to introduce the life cycle development method and a Computer-Aided Software Engineering (CASE) environment to support the development of a Computer Integrated Manufacturing (CIM) system. ...There is an urgent necessity to introduce the life cycle development method and a Computer-Aided Software Engineering (CASE) environment to support the development of a Computer Integrated Manufacturing (CIM) system. In this paper, we present several ideas while inquiring how to apply CASE tools to CIM process effectively, and propose five proper applicable paradigms to enhance the possibility of applications that the CIM process may make better use of CASE tools.展开更多
基金Supported by the National 863 Plan Foundation under Grant No.2006AA09A104
文摘For solving water entry problems, a numerical method is presented, which is a CFD method based on free surface capturing method and Cartesian cut cell mesh.In this approach, incompressible Euler equations for a variable density fluid are numerically calculated by the finite volume method.Then artificial compressibility method, dual time-stepping technique and Roe's approximate Riemann solver are adopted in the numerical scheme.Finally, some application cases are designed to show the ability of the current method to cope with water entry problems in ocean engineering.
文摘The article introduces ZTE's Softswitch-based NGN solutions. such as the long distance VolP service solution over data back- bone,and local voice and data service solution over MAN.Three application cases are analyzed,and NGN's features in aspects of network architecture,service provision and network management are summarized.
基金supported by the post-funded project of the National Social Science Fund of China“Research on academic frontier theory and policy of the economics of standards”[grant number 21FJLB039]+1 种基金Humanities and Social Sciences Project of Gansu Province,“Research on strategies for promoting digital transformation and empowering Gansu’s high-quality development through technical standards”[grant number 23ZZ02]Gansu Provincial Science and Technology Program Fund,“Research on promoting trade development between Gansu and countries along the Silk Road through harmonization of standards”[grant number 23JRZA385]
文摘Digital transformation,central to modern enterprises,presents both challenges and opportunities.This paper underscores the role of standardization strategies in navigating these challenges,delineating primary digital transformation trends and associated enterprise challenges.Standardization emerges as a solution,ensuring technological interoperability,risk reduction,and enhanced efficiency.As the technological landscape grows more complex,standardization offers clarity and direction,helping enterprises to seize opportunities and mitigate risks.The paper also gives recommendations for future research and business practices.The increasing synergy between digital transformation and standardization underscores its essentiality for forward-thinking enterprises.
文摘There is an urgent necessity to introduce the life cycle development method and a Computer-Aided Software Engineering (CASE) environment to support the development of a Computer Integrated Manufacturing (CIM) system. In this paper, we present several ideas while inquiring how to apply CASE tools to CIM process effectively, and propose five proper applicable paradigms to enhance the possibility of applications that the CIM process may make better use of CASE tools.
