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In-plane free vibrations of catenary arches with unsymmetric axes
Wilson, James F.,Lee, Byoung Koo Techno-Press 1995 Structural Engineering and Mechanics, An Int'l Jou Vol.3 No.5
The differential equations governing in-plane free vibrations of the elastic, catenary arch with rotatory inertia are derived in Cartesian coordinates. Frequencies and mode shapes are computed numerically for such arches with unsymmetric axes, for both clamped-clamped and hinged-hinged end constraints. The lowest four natural frequency parameters are reported, with and without rotatory inertia, as a function of three nondimensional system parameters; the span to cord length ratio e, the slenderness ratio s, and the rise to cord length ratio f. Experimental measures of frequencies and mode shapes for several laboratory-scale catenary models serve to validate the theoretical results.
Religion's Role in Promothing Family and Globle Family
Wilson, Andrew 선문대학교 통일사상연구원 1997 통일사상 연구논총 Vol.3 No.-
In this context, we can speak of what Hans Kung calls the "ambivalence" of religion, with its positive points counterbalanced by a "chronicle of scandal": intolerance, fanaticism and bizarre phenomena.
Application of Unification Thought to Moral and Ethical Education
Wilson, Andrew 선문대학교 통일사상연구원 1998 통일사상 연구논총 Vol.4 No.-
최근 조직에 지식경영을 도입해야 할 필요성이 강조되고, 이를 도입하고자 관심을 갖고, 도입 중에 있는 조직들이 점차 증가하고 있다. 그러나 지식경영의 도입은 지속적인 구축과정을 필요로 한다. 또한 이러한 지식경영을 도입하였을 때 과연 조직은 어떠한 성과를 얻을 수 있을까라는 점에 많은 질문을 갖게 된다. 따라서 지식경영을 도입함으로써 조직이 어떻게 변화하며, 궁극적으로 조직의 성과를 어떻게 측정해야 할 것인가는 중요한 사항이다. 이에 본 연구에서는 최근 그 유용성이 강조되는 BSC 관점에서 점진적 지식경영 방법론에 토대를 둔 파일럿 영역단위의 접근에 기반한 산업별 조직의 가치활동의 가중치를 평가해 봄으로써 효과적인 지식경영의 성과측정 방법에 대한 지침 모델을 고찰해 보았다. IEF is presently the only foreign organization allowed by the Chinese government to teach philosophical or ethical material in that country. Educators, scholars and ministry officials comment favorably, saying that IEF's presentations are infused with authentic Chinese values. One condition for IEF to operate in China is that it develop a program that is appropriate for a secular audience, with no mention of God or theology. Instead IEF has adopted a profound universal values approach. The American branch of IEF, which is responsible for the work in China, has been continuously upgrading its lecture materials, looking to eliminate any remaining religious terminology and to meet the strictest standard of material suitable for secular school use. The latest edition of its lecture manual, tentatively titled Cultivating Heart & Character, is due to be published this summer.
Improving CMD Areal Density Analysis: Algorithms and Strategies
Wilson, R.E. The Korean Space Science Society 2014 Journal of Astronomy and Space Sciences Vol.31 No.2
Essential ideas, successes, and difficulties of Areal Density Analysis (ADA) for color-magnitude diagrams (CMD's) of resolved stellar populations are examined, with explanation of various algorithms and strategies for optimal performance. A CMD-generation program computes theoretical datasets with simulated observational error and a solution program inverts the problem by the method of Differential Corrections (DC) so as to compute parameter values from observed magnitudes and colors, with standard error estimates and correlation coefficients. ADA promises not only impersonal results, but also significant saving of labor, especially where a given dataset is analyzed with several evolution models. Observational errors and multiple star systems, along with various single star characteristics and phenomena, are modeled directly via the Functional Statistics Algorithm (FSA). Unlike Monte Carlo, FSA is not dependent on a random number generator. Discussions include difficulties and overall requirements, such as need for fast evolutionary computation and realization of goals within machine memory limits. Degradation of results due to influence of pixelization on derivatives, Initial Mass Function (IMF) quantization, IMF steepness, low Areal Densities ($\mathcal{A}$), and large variation in $\mathcal{A}$ are reduced or eliminated through a variety of schemes that are explained sufficiently for general application. The Levenberg-Marquardt and MMS algorithms for improvement of solution convergence are contained within the DC program. An example of convergence, which typically is very good, is shown in tabular form. A number of theoretical and practical solution issues are discussed, as are prospects for further development.