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Technical Brief

A Mechanics Model for Sensors Imperfectly Bonded to the Skin for Determination of the Young's Moduli of Epidermis and Dermis

[+] Author and Article Information
J. H. Yuan

Center for Mechanics and Materials,
Tsinghua University,
Beijing 100084, China;
AML,
Department of Engineering Mechanics,
Tsinghua University,
Beijing 100084, China;
Department of Civil and Environmental Engineering,
Northwestern University,
Evanston, IL 60208;
Department of Mechanical Engineering,
Northwestern University,
Evanston, IL 60208;
Department of Materials Science and Engineering,
Northwestern University,
Evanston, IL 60208;
Skin Disease Research Center,
Northwestern University,
Evanston, IL 60208

Y. Shi, X. Feng

Center for Mechanics and Materials,
Tsinghua University,
Beijing 100084, China;
AML,
Department of Engineering Mechanics,
Tsinghua University,
Beijing 100084, China

M. Pharr, John A. Rogers

Frederick Seitz Materials Research Laboratory,
Department of Materials Science and Engineering,
University of Illinois at Urbana-Champaign,
Urbana, IL 61801

Yonggang Huang

Department of Civil and Environmental Engineering,
Northwestern University,
Evanston, IL 60208;
Department of Mechanical Engineering,
Northwestern University,
Evanston, IL 60208;
Department of Materials Science and Engineering,
Northwestern University,
Evanston, IL 60208;
Skin Disease Research Center,
Northwestern University,
Evanston, IL 60208
e-mail: y-huang@northwestern.edu

1J. H. Yuan and Y. Shi contributed equally to this work.

2Corresponding author.

Contributed by the Applied Mechanics Division of ASME for publication in the JOURNAL OF APPLIED MECHANICS. Manuscript received April 7, 2016; final manuscript received May 12, 2016; published online May 30, 2016. Assoc. Editor: Arun Shukla.

J. Appl. Mech 83(8), 084501 (May 30, 2016) (3 pages) Paper No: JAM-16-1170; doi: 10.1115/1.4033650 History: Received April 07, 2016; Revised May 12, 2016

A mechanics model is developed for the encapsulated piezoelectric thin-film actuators/sensors system imperfectly bonded to the human skin to simultaneously determine the Young's moduli of the epidermis and dermis as well as the thickness of epidermis.

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References

Figures

Grahic Jump Location
Fig. 1

Two-layered model of the human skin and skin-modulus device mounted on the surface of human skin with encapsulation

Grahic Jump Location
Fig. 2

(a) f1 versus l/b and (b) f2 versus l/b

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