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A Literature Review on the Cultivation of Vocational Undergraduate Talents in China:Essential Differences and Compatibility Requirements 认领 引用
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作者 Lihong Zhong 《Journal of Contemporary Educational Research》 2025年第12期19-26,共8页
As a key initiative in China’s efforts to build a modern vocational education system,the positioning and model of talent cultivation in undergraduate-level vocational education(vocational undergraduate)have become an... As a key initiative in China’s efforts to build a modern vocational education system,the positioning and model of talent cultivation in undergraduate-level vocational education(vocational undergraduate)have become an important issue.Based on a systematic literature review,this paper aims to clarify the essential differences between vocational undergraduate talent cultivation and regular undergraduate and higher vocational education,and to analyze its key compatibility requirements.The study finds that vocational undergraduate education inherently possesses dual characteristics of“vocational”and“higher education,”following the logic of the work system,and aims to cultivate high-level technical and skilled talents who can engage in technological integration and innovation as“domain implementers.”This stands in sharp contrast to the discipline-oriented knowledge of regular undergraduate education and the skill-oriented operation of higher vocational education.The successful implementation of vocational undergraduate talent cultivation requires meeting three compatibility requirements:alignment with industrial development needs,adaptation to learners’individual sustainable development,and integration with the modern vocational education system.Practical approaches include clarifying cultivation positioning based on technical logic,innovating industry-education integration models,building competency-oriented curriculum systems,and developing a“dual-qualified”faculty team.Despite challenges such as social recognition and the depth of industry-education integration,the future development of vocational undergraduate education requires strengthening its distinctive characteristics,deepening school-enterprise cooperation,advancing digital transformation,and improving the vocational education system.The conclusion of this paper argues that vocational undergraduate talent cultivation is a systematic project,and its high-quality development is crucial to supporting national strategies and socio-economic development. 展开更多
关键词 Vocational undergraduate education Talent cultivation Essential differences Adaptability requirements Industry-education integration
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Efficient Alternative Finite Difference WENO Schemes for Hyperbolic Conservation Laws 认领 引用
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作者 Dinshaw S.Balsara Deepak Bhoriya +1 位作者 Chi-Wang Shu Harish Kumar 《Communications on Applied Mathematics and Computation》 EI CSCD 2025年第6期2189-2242,共54页
Higher order finite difference Weighted Essentially Non-Oscillatory(FD-WENO)schemes for conservation laws are extremely popular because,for multidimensional problems,they offer high order accuracy at a fraction of the... Higher order finite difference Weighted Essentially Non-Oscillatory(FD-WENO)schemes for conservation laws are extremely popular because,for multidimensional problems,they offer high order accuracy at a fraction of the cost of finite volume WENO or DG schemes.Such schemes come in two formulations.The very popular classical FD-WENO method(Shu and Osher J Comput Phys 83:32–78,1989)relies on two reconstruction steps applied to two split fluxes.However,the method cannot accommodate different types of Riemann solvers and cannot preserve free stream boundary conditions on curvilinear meshes.This limits its utility.The alternative FD-WENO(AFD-WENO)method can overcome these deficiencies,however,much less work has been done on this method.The reasons are three-fold.First,it is difficult for the casual reader to understand the intricate logic that requires higher order derivatives of the fluxes to be evaluated at zone boundaries.The analytical methods for deriving the update equation for AFD-WENO schemes are somewhat recondite.To overcome that difficulty,we provide an easily accessible script that is based on a computer algebra system in Appendix A of this paper.Second,the method relies on interpolation rather than reconstruction,and WENO interpolation formulae have not been documented in the literature as thoroughly as WENO reconstruction formulae.In this paper,we explicitly provide all necessary WENO interpolation formulae that are needed for implementing the AFD-WENO up to the ninth order.The third reason is that the AFD-WENO requires higher order derivatives of the fluxes to be available at zone boundaries.Since those derivatives are usually obtained by finite differencing the zone-centered fluxes,they become susceptible to a Gibbs phenomenon when the solution is non-smooth.The inclusion of those fluxes is also crucially important for preserving the order property when the solution is smooth.This has limited the utility of the AFD-WENO in the past even though the method per se has many desirable features.Some efforts to mitigate the effect of finite differencing of the fluxes have been tried,but so far they have been done on a case by case basis for the PDE being considered.In this paper we find a general-purpose strategy that is based on a different type of the WENO interpolation.This new WENO interpolation takes the first derivatives of the fluxes at zone centers as its inputs and returns the requisite non-linearly hybridized higher order derivatives of flux-like terms at the zone boundaries as its output.With these three advances,we find that the AFD-WENO becomes a robust and general-purpose solution strategy for large classes of conservation laws.It allows any Riemann solver to be used.The AFD-WENO has a computational complexity that is entirely comparable to the classical FD-WENO,because it relies on two interpolation steps which cost the same as the two reconstruction steps in the classical FD-WENO.We apply the method to several stringent test problems drawn from Euler flow,relativistic hydrodynamics(RHD),and ten-moment equations.The method meets its design accuracy for smooth flow and can handle stringent problems in one and multiple dimensions. 展开更多
关键词 Hyperbolic PDEs Numerical schemes Conservation laws Finite difference Weighted Essentially Non-Oscillatory(FD-WENO)
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