含多条裂纹变截面简支梁的自由振动

马一江1，李园园3，陈国平2，赵颖杰2

Free vibration of a variable cross-section simple supported beam with multi-crack

MA Yijiang1, LI Yuanyuan3, CHEN Guoping2, ZHAO Yingjie2

振动与冲击 . 2019, (19): 149 -154 .