Poisson was not a geophysicist

摘要: The purpose of this Round Table essay is to argue that Poisson’s ratio not relevant any problem in seismology, and we should clear our minds it, the confusion it entrains. reason for its irrelevance defined terms an experiment (axial compression or tension a thin bar) which wave propagation (although may be common situation engineering mechanics). I then extend argument (with less certitude) useful anywhere exploration geophysics.