A novel versatile approach for underwater conformal volumetric array design

Taofeek Ayotunde Yusuf, Seonghun Pyo, Yongrae Roh

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

In this study, we present a novel approach to the design of a conformal volumetric array composed of M × N convex subarrays in two orthogonal curvilinear directions for underwater acoustic imaging for mine detection. Our design targets require that the proposed array transducer has three-dimensional half-power beamwidths of 85° and 25° in either of its convex subarray parts, while also reaching a peak transmitting voltage response above 147 dB. The radiated sound pressure of the subarrays was independently derived as a function of their geometrical parameters. The resulting directional factors were then combined to analyze the beam profile of the entire array. The design was finally optimized to minimize the ripple level. To validate this theoretical design, the structure was modeled and analyzed using the finite element method. The comparison between the resulting beam pattern from the finite element analysis and the analytical computation showed an excellent compliance. The method advanced is a simple and systematic analytical model to facilitate the development of new conformal volumetric arrays for underwater mine detection.

Original languageEnglish
Article number3591
JournalSensors
Volume21
Issue number11
DOIs
StatePublished - 1 Jun 2021

Keywords

  • Beamwidth
  • Conformal volumetric array
  • FEA
  • Optimization
  • Ripple

Fingerprint

Dive into the research topics of 'A novel versatile approach for underwater conformal volumetric array design'. Together they form a unique fingerprint.

Cite this