This erratum corrects errors in the originally published paper.
In the “Nomenclature” section, on page 041203-7, wg,t is corrected as follows:
ωg,t = specific gravity of tube
In Appendix A, on page 041203-8, left column, line 1, “For a practical HEX, , so the homogeneous” is corrected as follows:
For a practical HEX, , so the homogeneous