Structural-acoustic tailoring of metal structures by laser free-forming

John B. Fahnline, Timothy E. McDevitt, Eric J. Whitney, Dean E. Capone

Research output: Contribution to journalReview articlepeer-review

3 Scopus citations

Abstract

Laser Free-Forming (LFF) is a manufacturing process that facilitates the mixture of different metal alloys and provides new opportunities in structural-acoustic tailoring. In this paper, a brief introduction is given to the LFF manufacturing process and the potential benefits, in terms of process cost and strength and reliability, are discussed. A hydrofoil for an underwater vehicle is used as an example problem to explore strategies for structural-acoustic design optimization and noise mitigation. It is shown through numerical studies that the sound radiation of a hydrofoil can be appreciably reduced by spatially varying its material properties.

Original languageEnglish (US)
Pages (from-to)124-129
Number of pages6
JournalNoise Control Engineering Journal
Volume54
Issue number2
DOIs
StatePublished - Mar 2006

All Science Journal Classification (ASJC) codes

  • Building and Construction
  • Automotive Engineering
  • Aerospace Engineering
  • Acoustics and Ultrasonics
  • Mechanical Engineering
  • Public Health, Environmental and Occupational Health
  • Industrial and Manufacturing Engineering

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