中文

基于角谱与基于多极展开的声辐射力及力矩公式的等价性

应用物理 2021-06-09 v1 流体动力学

摘要

已有两种主要方法用于推导任意声场作用于粒子的声辐射力与力矩:第一种依赖入射场的平面波角谱分解(力见 [Sapozhnikov and Bailey, J. Acoust. Soc. Am. 133, 661 (2013)],力矩见 [Gong and Baudoin, J. Acoust. Soc. Am. 148, 3131 (2020)]),第二种依赖将入射场分解为球面波之和,即所谓多极展开(力见 [Silva, J. Acoust. Soc. Am. 130, 3541 (2011)] 与 [Baresh et al., J. Acoust. Soc. Am. 133, 25 (2013)],力矩见 [Silva et al., EPL 97, 54003 (2012)] 与 [Gong et al., Phys. Rev. Applied 11, 064022 (2019)])。本文中,我们正式建立了这两种方法所得力与力矩表达式之间的等价性。

关键词

引用

@article{arxiv.2102.02678,
  title  = {Equivalence between angular spectrum-based and multipole expansion-based formulas of the acoustic radiation force and torque},
  author = {Zhixiong Gong and Michael Baudoin},
  journal= {arXiv preprint arXiv:2102.02678},
  year   = {2021}
}

备注

37 pages