Propagation of acoustic waves in a fluid-filled pipe with periodic elastic Helmholtz resonators<xref rid="cpb_27_6_064301_fn1" ref-type="fn">*</xref> <fn id="cpb_27_6_064301_fn1"> <label>*</label> <p>Project supported by the National Natural Science Foundation of China (Grant Nos. 11372346, 51405502, and 51705529).</p> </fn>

Propagation of acoustic waves in a fluid-filled pipe with periodic elastic Helmholtz resonators* *

Project supported by the National Natural Science Foundation of China (Grant Nos. 11372346, 51405502, and 51705529).

Yu Dian-Long^{1, †}, Shen Hui-Jie², Liu Jiang-Wei¹, Yin Jian-Fei, Zhang Zhen-Fang¹, Wen Ji-Hong¹

STL of a single HR. The black solid and black dotted lines correspond to the STLs of one rigid HR, calculated by TMM and COMSOL, respectively. The red solid and red dotted lines correspond to the STLs of a single elastic HR, calculated by TMM and COMSOL, respectively.