• The Korean Society of Law and Medicine
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• v.17 no.1
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• pp.169-208
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• 2016

"Act on Remedies for Injuries from Medical Malpractive and Mediation of Medical Disputes)" has been enacted to solve medical dispute. In addition, mediation and arbitration procedures have started since April 8th, 2012 from the Establishment of Korea Medical Dispute Mediation and Arbitration Agency. The average initiation rate of mediation for the past three years turned out to be 43%. Hereupon, Establishment of Korea Medical Dispute Mediation and Arbitration Agency has created a solution for automatic initiation if relevant to particular conditions to improve initiation rate of mediation procedures and passed it through the Assembly plenary session in May, 2016 and promulgated on the 30th of the same month. However, even if mediation procedure initiation rate is increased, there is no guarantee for mediation establishment rate to be improved according to current law. If Establishment of Korea Medical Dispute Mediation and Arbitration Agency intends to increase aforementioned value, automatic initiation is not the only solution. Instead, it seems to be a major assignment to identify fundamental reasons for why major health care facilities have not participated in it and to restore reliability on them. In addition, among crimes specified on the Article 268 of Criminal Act in the Article $51^*$ of "Act on Remedies for Injuries from Medical Malpractive and Mediation of Medical Disputes)", revision must be made so that the clause of clue and death by occupational or gross negligence is applied. Furthremore, it is suggested to supplement previously insufficient policies with the operation so that mediation procedures created by Establishment of Korea Medical Dispute Mediation and Arbitration Agency are stably settled in the perspective of medical institutions including the establishment of new conditions for medical institutions founders or health and medical service personnel to claim the proxy payment for damage.

• Journal of Korean Society of Steel Construction
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• v.20 no.1
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• pp.151-163
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• 2008

A formulation of three-dimensional model of articulated train-b ridge dynamic interaction has been made for the Korean eXpress Train (KTX). Semi-periodic profiles of rail irregularities consisting of elevation, alignment, cross and gauge irregularities have also been proposed using FRA maximum tolerable rail deviations. The effects of rail joints and sleeper step were also included. The resulting system matrices of train and bridge are very spare, and thus, are stored in one-dimensional arrays, yielding a time-efficient solution. A numerical algorithm for computing bridge-train response including an iterative scheme is also formulated. A program simulating train-bridge interaction and solving this problem using the new algorithm is implemented as new modules for the f inite element analysis software named XFINAS. Computed results using the new program are then checked by that of the validated 2-D bridge-train interaction model. This new 3D analysis provides more detailed train responses such as swaying, bouncing, rolling, pitching and yawing accelerations, which are useful inevaluating passenger riding comfort. Train operation safety and derailment could also be directly investigated by relative wheel displacements computed from this program.

• Journal of the Korea Academia-Industrial cooperation Society
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• v.22 no.1
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• pp.9-17
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• 2021

Curved beams are increasingly used in buildings, vehicles, ships, and aircraft, which has resulted in considerable effort being directed toward developing an accurate method for analyzing the dynamic behavior of such structures. The stability behavior of elastic circular arches has been the subject of a large number of investigations. One of the efficient procedures for the solution of ordinary differential equations or partial differential equations is the differential quadrature method DQM. This method has been applied to a large number of cases to overcome the difficulties of the complex computer algorithms, as well as excessive use of storage due to conditions of non-linear geometries, loadings, or material properties. This study uses DQM to analyze the in-plane vibration of the circular arches considering the effects of midsurface extension and rotatory inertia. Fundamental frequency parameters are calculated for the member with various parameter ratios, boundary conditions, and opening angles. The solutions from DQM are compared with exact solutions or other numerical solutions for cases in which they are available and given to analyze the effects of midsurface extension and rotatory inertia on the frequency parameters of the circular arches.

• KSCE Journal of Civil and Environmental Engineering Research
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• v.26 no.1D
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• pp.195-202
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• 2006

The infiltration route analysis is a military application using geospatial information technology. The result of the analysis would present vulnerable routes for potential enemy infiltration. In order to find the susceptible routes, optimal path search algorithms (Dijkstra's and $A^*$) were used to minimize the cost function, summation of detection probability. The cost function was produced by capability of TOD (Thermal Observation Device), results of viewshed analysis using DEM (Digital Elevation Model) and two related geospatial information coverages (obstacle and vegetation) extracted from VITD (Vector product Interim Terrain Data). With respect to 50m by 50m cells, the individual cost was computed and recorded, and then the optimal infiltration routes was found while minimizing summation of the costs on the routes. The proposed algorithm was experimented in Daejeon region in South Korea. The test results show that Dijkstra's and $A^*$ algorithms do not present significant differences, but A* algorithm shows a better efficiency. This application can be used for both infiltration and surveillance. Using simulation of moving TOD, the most vulnerable routes can be detected for infiltration purpose. On the other hands, it can be inversely used for selection of the best locations of TOD. This is an example of powerful geospatial solution for military application.