접촉 스프링의 비선형을 고려한 궤도의 고주파 진동 해석 알고리즘 개발

According as interests about environmental problem are being increased nowadays, social requirements about environmental friendliness of the railway are also being increased gradually and rapidly. In result, it was shown to increasement of a civil appeal & conflict and improvement of environmental standard. In the case of Korea, analysis technology for railway noise and vibration leaves something to be desired. In this study, we suggested a high frequency vibration analysis algorithm for track considering non-linearity of contact spring in order to develop core techniques.