"High-level opening up"and"high-quality development"are important development goals and directions of China during the 14th Five-Year Plan period.Heilongjiang,as the largest and oldest province ope..."High-level opening up"and"high-quality development"are important development goals and directions of China during the 14th Five-Year Plan period.Heilongjiang,as the largest and oldest province open to Russia,has a long history of communication and plays a vanguard role.However,the province's geographical advantages are weakening under the impact of the COVID-19 pandemic and the rapid development of the internet industry.Facing the new era,maintaining and enhancing the regional advantages of the province has become an urgent issue that requires attention.This study takes the Russian language service in Heilongjiang Province as the subject,combines theory with practice through theoretical elaboration and historical analysis,as well as tries to provide reference for improving the language service system in Heilongjiang Province and enhancing its regional advantages.This study believes that a high-quality language service plays an important role in solving the issue.It is necessary to fully understand and apply the essential power of language,be more aware of the importance of Russian language services,build a sound ecosystem of language services,give full play to the traditional advantages of the"Russian"in this province,and finally assume "Russian language services"as the"golden banner"for the development of language services,economy,and culture in the province.展开更多
In this work we introduce PRIN-3D(PRoto-code for Internal flows modeled by Navier-Stokes equations in 3-Dimensions),a new high level algebraic language(Matlab^(■))based code,by discussing some fundamental aspects reg...In this work we introduce PRIN-3D(PRoto-code for Internal flows modeled by Navier-Stokes equations in 3-Dimensions),a new high level algebraic language(Matlab^(■))based code,by discussing some fundamental aspects regarding its basic solving kernel and by describing the design of an innovative advection scheme.The main focus was on designing a memory and computationally efficient code that,due to the typical conciseness of the Matlab coding language,could allow for fast and effective implementation of new models or algorithms.Innovative numerical methods are discussed in the paper.The pressure equation is derived with a quasi-segregation technique leading to an iterative scheme obtained within the framework of a global preconditioning procedure.Different levels of parallelization are obtainable by exploiting special pressure variable ordering patterns that lead to a block-structured Poisson-like matrix.Moreover,the new advection scheme has the potential of a controllable artificial diffusivity.Preliminary results are shown including a fully three-dimensional internal laminar flow evolving in a relatively complex geometry and a 3D methane-air flame simulated with the aid of libraries based on the Flamelet model.展开更多
The lack of standard to electronic circuits modeling made possible the development of many tools and modeling languages for electronic circuits. In this way, several tools to be used on different descriptions stage of...The lack of standard to electronic circuits modeling made possible the development of many tools and modeling languages for electronic circuits. In this way, several tools to be used on different descriptions stage of the designs are necessary. This paper presents a tool called SF^2HDL (Stateflow to Hardware Description Language or State Transition Table) that translates a finite state machine on state transition diagram representation, described by Stateflow tool, into an input file standard for TABELA program or into a file behavioral VHDL (Very High Speed Integrated Circuits Hardware Description Language) directly. The TABELA program was used to optimization this finite state machine. After that, the TAB2VHDL program was used to generate the VHDL code on register transfer level, what permits comparisons with results obtained by synthesis. The finite state machine must be described by Mealy model and the user can describe the machine on high level abstraction using all Simulink supports. The tool was very efficient on computational cost and it made translation of several cases, for the two VHDL description models. Every state machine translated was simulated and implemented on device EP2C20F484C7 using Quartus II environment.展开更多
The multi-analysis modeling of a complex system is the act of building a family of models which allows to cover a large spectrum of analysis methods(such as simulation,formal methods,enactment,...)that can be performe...The multi-analysis modeling of a complex system is the act of building a family of models which allows to cover a large spectrum of analysis methods(such as simulation,formal methods,enactment,...)that can be performed to derive various properties of this system.The High-Level Language for Systems Specification(HiLLS)has recently been introduced as a graphical language for discrete event simulation,with potential for other types of analysis,like enactment for rapid system prototyping.HiLLS defines an automata language that also opens the way to formal verification.This paper provides the building blocks for such a feature.That way,a unique model can be used not only to perform both simulation and enactment experiments but also to allow the logical analysis of properties without running any experiment.Therefore,it saves from the effort of building three different analysis-specific models and the need to align them semantically.展开更多
基金The "3th Five-Year Plan"of Education Science Key Project of Heilongjiang Province in 2020(Project Number:GJB1320294).
文摘"High-level opening up"and"high-quality development"are important development goals and directions of China during the 14th Five-Year Plan period.Heilongjiang,as the largest and oldest province open to Russia,has a long history of communication and plays a vanguard role.However,the province's geographical advantages are weakening under the impact of the COVID-19 pandemic and the rapid development of the internet industry.Facing the new era,maintaining and enhancing the regional advantages of the province has become an urgent issue that requires attention.This study takes the Russian language service in Heilongjiang Province as the subject,combines theory with practice through theoretical elaboration and historical analysis,as well as tries to provide reference for improving the language service system in Heilongjiang Province and enhancing its regional advantages.This study believes that a high-quality language service plays an important role in solving the issue.It is necessary to fully understand and apply the essential power of language,be more aware of the importance of Russian language services,build a sound ecosystem of language services,give full play to the traditional advantages of the"Russian"in this province,and finally assume "Russian language services"as the"golden banner"for the development of language services,economy,and culture in the province.
文摘In this work we introduce PRIN-3D(PRoto-code for Internal flows modeled by Navier-Stokes equations in 3-Dimensions),a new high level algebraic language(Matlab^(■))based code,by discussing some fundamental aspects regarding its basic solving kernel and by describing the design of an innovative advection scheme.The main focus was on designing a memory and computationally efficient code that,due to the typical conciseness of the Matlab coding language,could allow for fast and effective implementation of new models or algorithms.Innovative numerical methods are discussed in the paper.The pressure equation is derived with a quasi-segregation technique leading to an iterative scheme obtained within the framework of a global preconditioning procedure.Different levels of parallelization are obtainable by exploiting special pressure variable ordering patterns that lead to a block-structured Poisson-like matrix.Moreover,the new advection scheme has the potential of a controllable artificial diffusivity.Preliminary results are shown including a fully three-dimensional internal laminar flow evolving in a relatively complex geometry and a 3D methane-air flame simulated with the aid of libraries based on the Flamelet model.
文摘The lack of standard to electronic circuits modeling made possible the development of many tools and modeling languages for electronic circuits. In this way, several tools to be used on different descriptions stage of the designs are necessary. This paper presents a tool called SF^2HDL (Stateflow to Hardware Description Language or State Transition Table) that translates a finite state machine on state transition diagram representation, described by Stateflow tool, into an input file standard for TABELA program or into a file behavioral VHDL (Very High Speed Integrated Circuits Hardware Description Language) directly. The TABELA program was used to optimization this finite state machine. After that, the TAB2VHDL program was used to generate the VHDL code on register transfer level, what permits comparisons with results obtained by synthesis. The finite state machine must be described by Mealy model and the user can describe the machine on high level abstraction using all Simulink supports. The tool was very efficient on computational cost and it made translation of several cases, for the two VHDL description models. Every state machine translated was simulated and implemented on device EP2C20F484C7 using Quartus II environment.
基金This work has been supported by the 2017 PAMI Travel Grantthe 2019 AUST/AfDB Special Grant.
文摘The multi-analysis modeling of a complex system is the act of building a family of models which allows to cover a large spectrum of analysis methods(such as simulation,formal methods,enactment,...)that can be performed to derive various properties of this system.The High-Level Language for Systems Specification(HiLLS)has recently been introduced as a graphical language for discrete event simulation,with potential for other types of analysis,like enactment for rapid system prototyping.HiLLS defines an automata language that also opens the way to formal verification.This paper provides the building blocks for such a feature.That way,a unique model can be used not only to perform both simulation and enactment experiments but also to allow the logical analysis of properties without running any experiment.Therefore,it saves from the effort of building three different analysis-specific models and the need to align them semantically.