• Title/Summary/Keyword: Evasive Capacity

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A simulation for the analysis of the evasive capability of submarine against a torpedo using DEVS modeling (DEVS 기반 모델링을 적용한 잠수함의 어뢰회피 성능 분석 시뮬레이션)

  • Kang Jung-Ho;Lee Sung-Jun;Cha Ju-Hwan;Yoo Seong-Jin;Lee Hyo-Kwang;Lee Kyu-Yeul;Kim Tae-Wan;Ko Yong-Seog
    • Journal of the Korea Society for Simulation
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    • v.14 no.2
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    • pp.57-71
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    • 2005
  • A simulation for the analysis of the evasive capability of a conventional costal submarine against a light Anti-Submarine Warfare (ASW) torpedo has been studied. The Torpedo, Submarine Controller, Devoy, and Jammer models of this simulation are analysised and designed using Unified Modeling Language (UML) and in addition they are modeled Discrete Event System Specification (DEVS). We examine maximum speed, acceleration, countermeasure systems capabilities of a submarine, and sonar range of a torpedo as the factors which affect the evasive capability of the submarine. This paper shows the relationships between those various factors and the submarine's evasive capability as the outcome of the simulation. The simulation models can be applied for simulation based acquisition (SBA) of a submarine system.

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A Study on the Grounded Theory of Motivation in Clinical Music Therapy Practice for the Mental Rehabilitation Members (정신재활 회원을 위한 음악치료 임상실습에서의 동기부여에 관한 근거이론 연구)

  • Kang, Kyungsun
    • Journal of Music and Human Behavior
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    • v.9 no.1
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    • pp.37-53
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    • 2012
  • This study is conducted to analyse the process and the pattern of motivation for musical expression in clinical music therapy for the adults in the mental health center. The participant were 8 adults purposive sampling who had more than one year music therapy experience in the mental health center and their age ranged from 27 to 53. A major category derived and analysed from the grounded theory method by Strauss and Corbin. The qualitative analysis indicated that motivation for musical expression in music therapy, which was the central phenomenon in this study, was determined by the music therapist and songs used in the sessions. The central phenomenon was caused by the therapist's friendly attitude, high musical capacity, the familarity of the selected songs and the significancy of the lyrics of selected songs. The levels of reliability about the therapist's personality and musical ability as a professional music therapist and the positive arousal of the songs used in sessions affected as the contextual condition. Spontaneous musical expression in music therapy brought the escape from reality, release of stress and sharing by the intervening condition 'empathy' and this resulted in mood regulation, the instillation of hope and group cohesion. It has been found that there were three types of motivation in music therapy: intrinsic motivation, relationship dependent extrinsic motivation and evasive motivation.