Shear axial modes in a PCTSCM Part II: Towards transduction applications

Steven F. Nagle; Akhlesh Lakhtakia

doi:10.1016/S0924-4247(97)80069-6

Shear axial modes in a PCTSCM Part II: Towards transduction applications

Steven F. Nagle, Akhlesh Lakhtakia

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

Electrically excited axial shear wave propagation within a piezoelectric continuously twisted structurally chiral medium (PCTSCM) plate is examined. Three different plates with distinct material properties are considered, each plate operating in one of three zones in spatiotemporal space. The excited field in each plate is examined by plotting the local polarization angle, the total shear displacement field amplitude, as well as the total field along the helicoidal axis of the PCTSCM. Although the local vibration ellipse of every individual mode rotates in conformity with the material structure, the total field does not. Individual modes beat with each other to produce distinct field behavior in each plate. As modal wavelengths do not scale in proportion to the helicoidal pitch of any of the three plates, axial propagation behavior turns out to be unique in each plate.

Original language	English (US)
Pages (from-to)	139-147
Number of pages	9
Journal	Sensors and Actuators, A: Physical
Volume	55
Issue number	2-3
DOIs	https://doi.org/10.1016/S0924-4247(97)80069-6
State	Published - Jul 31 1996

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Instrumentation
Condensed Matter Physics
Surfaces, Coatings and Films
Metals and Alloys
Electrical and Electronic Engineering

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10.1016/S0924-4247(97)80069-6

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title = "Shear axial modes in a PCTSCM Part II: Towards transduction applications",

abstract = "Electrically excited axial shear wave propagation within a piezoelectric continuously twisted structurally chiral medium (PCTSCM) plate is examined. Three different plates with distinct material properties are considered, each plate operating in one of three zones in spatiotemporal space. The excited field in each plate is examined by plotting the local polarization angle, the total shear displacement field amplitude, as well as the total field along the helicoidal axis of the PCTSCM. Although the local vibration ellipse of every individual mode rotates in conformity with the material structure, the total field does not. Individual modes beat with each other to produce distinct field behavior in each plate. As modal wavelengths do not scale in proportion to the helicoidal pitch of any of the three plates, axial propagation behavior turns out to be unique in each plate.",

author = "Nagle, {Steven F.} and Akhlesh Lakhtakia",

note = "Funding Information: This material is based upon work supported under a National Science Foundation Graduate Research Fellowship awarded to S.F. Nagle.",

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T1 - Shear axial modes in a PCTSCM Part II

T2 - Towards transduction applications

AU - Nagle, Steven F.

AU - Lakhtakia, Akhlesh

N1 - Funding Information: This material is based upon work supported under a National Science Foundation Graduate Research Fellowship awarded to S.F. Nagle.

PY - 1996/7/31

Y1 - 1996/7/31

N2 - Electrically excited axial shear wave propagation within a piezoelectric continuously twisted structurally chiral medium (PCTSCM) plate is examined. Three different plates with distinct material properties are considered, each plate operating in one of three zones in spatiotemporal space. The excited field in each plate is examined by plotting the local polarization angle, the total shear displacement field amplitude, as well as the total field along the helicoidal axis of the PCTSCM. Although the local vibration ellipse of every individual mode rotates in conformity with the material structure, the total field does not. Individual modes beat with each other to produce distinct field behavior in each plate. As modal wavelengths do not scale in proportion to the helicoidal pitch of any of the three plates, axial propagation behavior turns out to be unique in each plate.

AB - Electrically excited axial shear wave propagation within a piezoelectric continuously twisted structurally chiral medium (PCTSCM) plate is examined. Three different plates with distinct material properties are considered, each plate operating in one of three zones in spatiotemporal space. The excited field in each plate is examined by plotting the local polarization angle, the total shear displacement field amplitude, as well as the total field along the helicoidal axis of the PCTSCM. Although the local vibration ellipse of every individual mode rotates in conformity with the material structure, the total field does not. Individual modes beat with each other to produce distinct field behavior in each plate. As modal wavelengths do not scale in proportion to the helicoidal pitch of any of the three plates, axial propagation behavior turns out to be unique in each plate.

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ER -

Shear axial modes in a PCTSCM Part II: Towards transduction applications

Abstract

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