✦ LIBER ✦

Strain distributions in vibrating rods of variable cross-sections—Part 1: Experiment and finite element calculations

✍ Scribed by P. Bajons; W. Fritsch

Publisher: Elsevier Science
Year: 1994
Tongue: English
Weight: 604 KB
Volume: 43
Category: Article
ISSN: 0003-682X
DOI: 10.1016/0003-682x(94)90055-8

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✦ Synopsis

The role of the finite element method in studying stress~strain~displacement distributions in vibrating structures is discussed with respect to high-power ultrasonic compacting and fatigue testing. The principles of the formulations used to perform the numerical simulations are briefly mentioned. The computed results are compared with those of laboratory experiments in which plates of different geometries were excited to longitudinal vibrations. Taking a rectangular specimen into account allowed additional comparison with an analytical solution of the problem. Thus it was possible to test the reliability and usefulness of the various methods.

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Strain distributions in vibrating rods of variable cross-sections—Part 2: High power ultrasonic applications

✍ P. Bajons; W. Fritsch; M. Rösel 📂 Article 📅 1994 🏛 Elsevier Science 🌐 English ⚖ 626 KB

This paper gives a deeper insight into the vibration behaviour of specimens to which high-power ultrasonics is applied, and follows Part 1 (Bajons, P. & Fritsch, W., Applied Acoustics, 43 (1994) 113-26). By means of finite element calculations, the distribution of the longitudinal strain and the rad