Release 0.5.0 / 20 October 2026

Approximation formulae for the acoustic radiation impedance of a cylindrical pipe

Frequency-dependent radiation impedance for stated pipe-end assumptions. Journal year 2009; preprint 2008. Supports limiting the constant end-correction primary benchmark to a declared low-ka design.

Source and scope

Fabrice Silva; Philippe Guillemain; Jean Kergomard; Bastien Mallaroni; Andrew N. Norris (2009). Approximation formulae for the acoustic radiation impedance of a cylindrical pipe. Journal of Sound and Vibration 322, 255–263.

Read the primary source

DOI: 10.1016/j.jsv.2008.11.008

Frequency-dependent radiation impedance for stated pipe-end assumptions. Journal year 2009; preprint 2008. Supports limiting the constant end-correction primary benchmark to a declared low-ka design.

Use in this release

Measured benchmark and protocol status. Citation does not imply endorsement, partnership or independent review.