Yuan-Cheng Fung

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Yuan-Cheng Fung
Born (1919-09-15) September 15, 1919 (age 99)
Alma materNational Central University
Known forBioengineering
Awardsvon Karman Medal (1976)
Otto Laporte Award (1977)
Timoshenko Medal (1991)
National Medal of Science (2000)
Jordan Allen Medal (1991)
Russ Prize (2007)
Scientific career
UC San Diego
Doctoral advisorErnest Sechler

Yuan-Cheng "Bert" Fung (born September 15, 1919) is an American bioengineer and scientist. He is regarded as a founding figure of bioengineering, tissue engineering, and the "Founder of Modern Biomechanics".[1]


Fung was born in Jiangsu Province, China in 1919. He earned a bachelor's degree in 1941 and a master's degree in 1943 from the National Central University (later renamed Nanjing University in mainland China and reinstated in Taiwan), and earned a Ph.D. from the California Institute of Technology in 1948. Fung currently is Professor Emeritus and Research Engineer at the University of California San Diego. He published prominent texts along with Pin Tong who was then at Hong Kong University of Science & Technology.


He is the author of numerous books including Foundations of Solid Mechanics, Continuum Mechanics, and a series of books on Biomechanics. He is also one of the principal founders of the Journal of Biomechanics and was a past chair of the ASME International Applied Mechanics Division. In 1972, Fung established the Biomechanics Symposium under the American Society of Mechanical Engineers. This biannual summer meeting, first held at the Georgia Institute of Technology, became the annual Summer Bioengineering Conference. Fung and colleagues were also the first to recognize the importance of residual stress on arterial mechanical behavior.[2]

Fung's Law[edit]

Fung's famous exponential strain constitutive equation for preconditioned soft tissues is


quadratic forms of Green-Lagrange strains and , and material constants.[3] is a strain energy function per volume unit, which is the mechanical strain energy for a given temperature. Materials that follow this law are known as Fung-elastic.[4]

Honors and awards[edit]

Fung was elected to the United States National Academy of Science (1993), the National Academy of Engineering (1979), the Institute of Medicine (1991), the Academia Sinica (1968), and is a Foreign Member of the Chinese Academy of Sciences (1994 election).


  1. ^ YC “Bert” Fung: The Father of Modern Biomechanics (pdf) Archived 2007-12-02 at the Wayback Machine
  2. ^ Chuong,C.J. and Y.C. Fung (1986). "On Residual Stress in Arteries". Journal of Biomechanics. 108 (2): 189–192. doi:10.1115/1.3138600.
  3. ^ Fung, Y.-C. (1993). Biomechanics: Mechanical Properties of Living Tissues. New York: Springer-Verlag. p. 568. ISBN 0-387-97947-6.
  4. ^ Humphrey, Jay D. (2003). The Royal Society, ed. "Continuum biomechanics of soft biological tissues" (PDF). Proceedings of the Royal Society of London A. 459 (2029): 3–43. Bibcode:2003RSPSA.459....3H. doi:10.1098/rspa.2002.1060.
  6. ^ The International Society of Biorheology: Yuan-Cheng Fung, 1986 Recipient of the Jean-Leonard-Marie Poiseuille Award
  8. ^ Recipient of the Fritz J. and Dolores H. Russ Prize
  9. ^ UCSD Chancellor's Announcement of 2016 Revelle Medalists

External links[edit]