id	keyword
fumecheng-12165	sandwich
fumecheng-12165	beam
fumecheng-12165	sandwich beam
fumecheng-12165	element
fumecheng-12165	𝑒 𝑇
fumecheng-12165	loss
fumecheng-12165	factor
fumecheng-12165	frequency
fumecheng-12165	ve sandwich
fumecheng-12165	structures
fumecheng-12165	viscoelastic