고속철도차량 갱웨이 벨로우즈의 리그피로시험 조건 분석

The fatigue failure of the bellows of the articulated type high speed train (HST) has a harmful effect on the riding comfort for the passengers with the increase of noise and ringing in the ears due to airtightness failure during pass through a long tunnel. In this study, to assure the safety of gangway bellows of the HST, non-linear analysis of the gangway bellows considering triaxial angular displacement(rolling /yawing/pitching) between the carriage end parts are performed. Moreover, from the results of non-linear analysis, the accelerated condition of the rig test is proposed.