SHASHI UNIV,SHASHI 434000,PEOPLES R CHINA;
HUAZHONG UNIV SCI & TECHNOL,WUHAN 430074,PEOPLES R CHINA;
ACAD SINICA,INST MECH,BEIJING 100080,PEOPLES R CHINA;
buckle; propagation; arrest; of; buckle; beam; on; a; nonlincar; foundation; finite; element; method;