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朝鮮朝 陽明學 受容展開에 있어서의 明齋學의 位相과 特性
남명진 한국외국어대학교(글로벌캠퍼스) 역사문화연구소 2003 역사문화연구 Vol.18 No.-
Yun Jeung's political ideas can be seen as a practical way to achieve the political and economic development of Choson Korea, and also as a realistic approach to harmonize two conflicting policies. One policy called for 'respect towards Ming and preserving righteousness' and the other called for maintaining 'diplomacy with Ch'ing.' Yun Jeung's scholarly thoughts were a pragmatic method of Practical Learning with the purpose of revitalizing the decaying Choson society by improving the living conditions of Korean people. Yun Jeung also attempted to overcome the Anti-Ch'ing policy of 'respect Ming and righteousness.' Yun Jeung was an intellectual who understood the political necessity of rejuvenating the Korean society, which had been economically and socially disarrayed since the 17thcentury. He was also a reform-minded politician. Under the political atmosphere where the policy of 'respecting Ming and conquering Ch'ing'prevailed, Yun contended that the Choson government should wisely take a practical approach to its new international situation, in which the Ch'ing Empire was overcoming the Ming. Accordingly, Yun's ideas were conflicting with the Old Doctrine faction that had considered Chu Hi-ism as an unshakable orthodox. The Old Doctrine faction had labeled other such scholars as 'traitors to true Confucianism', and had suppressed free academic discussions. While attacking both the participants of the unproductive controversy on mourning rites and the advocates of the North Expedition policy, Yun also offered a new realistic policy in order to effectively respond to the Southerners, who were attacking both the Old and Young Doctrine factions.
3D MT Inversion Using an Edge Finite Element Modeling Algorithm
남명진,김희준 한국자원공학회 2010 Geosystem engineering Vol.13 No.2
A three-dimensional (3D) inversion algorithm for magnetotelluric (MT) data has been developed based on the Gauss-Newton method. The algorithm employs a 3D MT modeling algorithm based on an edge finite element method (FEM) with hexahedral elements being able to delineate surface topography. The modeling algorithm solves the resulting system of equations using a bi-conjugate gradient (BICG)method with a symmetric Jacobian preconditioner. To verify the inversion algorithm, we make inversion of MT data for a flat-earth surface model with a 3D conductive body in a homogeneous host. Further numerical tests are made for MT data over a surface topography. The model under consideration has a conductive or resistive dike under a 3D trapezoidal hill. For inversion of distorted MT data by surface topography, we first remove the topography effects using an impedance correction method. Numerical results indicate that inversion of MT data over the flat-surface model located the conductive target. Inversion of topography-effects-corrected MT data explains the presence of the conductive or resistive target while inversion of distorted MT data gives no clue.