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| 1 | A Historical Perspective on Development of Systems Engineering Discipline:A Review and Analysis显示文摘Since its inception,Systems Engineering(SE)has developed as a distinctive discipline,and there has been significant progress in this field in the past two decades.Compared to other engineering disciplines,SE is not affirmed by a set of underlying fundamental propositions,instead it has emerged as a set of best practices to deal with intricacies stemming from the stochastic nature of engineering complex systems and addressing their problems.Since the existing methodologies and paradigms(dominant patterns of thought and concepts)of SE are very diverse and somewhat fragmented.This appears to create some confusion regarding the design,deployment,operation,and application of SE.The purpose of this paper is 1)to delineate the development of SE from 1926-2017 based on insights derived from a histogram analysis,2)to discuss the different paradigms and school of thoughts related to SE,3)to derive a set of fundamental attributes of SE using advanced coding techniques and analysis,and 4)to present a newly developed instrument that could assess the performance of systems engineers.More than Two hundred and fifty different sources have been reviewed in this research in order to demonstrate the development trajectory of the SE discipline based on the frequency of publication. | Niamat Ullah Ibne Hossain Raed M.Jaradat Michael A.Hamilton Charles B.Keating Simon R.Goerger | 2020 | Journal of Systems Science and Systems Engineering2020，29，1： | 2 |
| 2 | The effect of an individual’s education level on their systems skills in the system of systems domain显示文摘Today’s rapid proliferation of information and technological advancements has led to complex and uncertain modern systems environments.The problems resulting from this increased complexity may surpass engineers’current capacity to perform effectively within the domain of complex systems.In response to this situation,the concept of Systems Thinking(ST)has been advanced as an aid to building a mental map that offers a robust conceptual understanding to offset the challenges of modern system of systems(SoS)problems.Although there has been some research regarding the effect of age and gender on ST preferences,there is still a lack of studies investigating how an individual’s ST skills preferences in system of systems(SoS)domain vary across educational qualifications.In addition,most of the extant literature focuses on one or two measures to assess the individual ST;thus,there is a need to include the full spectrum of ST measures to assess the ST skills preferences of an individual in the domain of complex systems.To address these gaps,this research uses an established ST skills preferences instrument to gauge an individual’s ST skills preferences in the SoS domain based on the educational qualifications.Two hundred and fifty-eight participants with educational qualifications ranging from non-degree to graduate degree participated in the research.The analysis of the responses was performed by a post-hoc test to show which groups differ significantly.From the results obtained through aggregate individual responses,we conclude that each group(i.e bachelor,masters and phD),possesses a different ST skills preference profile on average,and the educational qualifications in the SoS environment has a moderation impact on individuals’system skills preferences. | Niamat Ullah Ibne Hossain Morteza Nagahi Raed Jaradat Erin Stirgus Charles B.Keating | 2020 | Journal of Management Analytics2020，7，4： | 0 |
| 3 | MHD Turbulence Studies using Lattice Boltzmann Algorithms显示文摘Three dimensional free-decaying MHD turbulence is simulated by lattice Boltzmann methods on a spatial grid of 80003 for low and high magnetic Prandtl number.It is verified that∇·B=0 is automatically maintained to machine accuracy throughout the simulation.Isosurfaces of vorticity and current show the persistence of many large scale structures(both magnetic and velocity)for long times—unlike the velocity isosurfaces of Navier-Stokes turbulence. | G.Vahala B.Keating M.Soe J.Yepez L.Vahala J.Carter S.Ziegeler | 2008 | Communications in Computational Physics2008，4，8： | 0 |
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