Gerhard A. Holzapfel Explained

Gerhard A. Holzapfel
Birth Date:May 22, 1961
Birth Place:Graz, Styria, Austria
Nationality:Austrian
Alma Mater:Graz University of Technology (PhD)
Known For:Constitutive and computational modeling of fiber-reinforced materials, soft biological tissues including blood vessels in health and disease

Gerhard Alfred Holzapfel (born May 22, 1961) is an Austrian scientist, (bio)mechanician. He is currently a professor of Biomechanics and Head of the Institute of Biomechanics at Graz University of Technology, Austria, since 2007.[1] [2] He is also the International Chair of Biomechanics (adjunct professorship) at the Norwegian University of Science and Technology (NTNU),[3] and a visiting professor at the School of Mathematics and Statistics, University of Glasgow, Scotland.[4] He was a professor of biomechanics at KTH Royal Institute of Technology in Stockholm, Sweden, for 9 years (7 years as an adjunct professor) until 2013. He is the co-founder and co-editor-in-chief of the international scientific journal Biomechanics and Modeling in Mechanobiology by Springer Nature since the first issue published in June 2002.[5]

Holzapfel is widely known for his contributions to the fields of nonlinear solid mechanics, constitutive and computational modeling of fiber-reinforced materials and soft biological tissues including blood vessels in health and disease. He has been listed as a Highly Cited Researcher in Engineering selected by ISI Web of Science, Thomson Reuters and listed as "The World's Most Influential Scientific Minds: 2014".[6] His graduate textbook, Nonlinear Solid Mechanics: A Continuum Approach for Engineering[7] published in 2000, has become a standard reference in the area of solid mechanics.

Education and training

Gerhard A. Holzapfel received his M.S. degree in Civil Engineering and his Ph.D. in Mechanical Engineering from Graz University of Technology in 1985 and 1990, respectively. In 1991, he traveled to Shenyang in the Northeast of P.R. China to work as a visiting scholar at an institution currently part of the Shenyang University. Then, he received a Schrödinger Scholarship from the Austrian Science Fund (Wissenschaftsfonds FWF) to work as a Post-Doctoral Fellow at the Division of Applied Mechanics, Department of Mechanical Engineering, Stanford University, CA, USA, with the late Professor Juan C. Simo from 1993 to 1995.[8] He received his Habilitation in Mechanics from the Vienna University of Technology, Austria, in 1996. From May 1987 to November 2004, he was an Assistant at the Institute of Strength of Materials and then an associate professor at the Institute of Structural Analysis, Graz University of Technology, Austria.

Research

Holzapfel's research has mainly focused on nonlinear continuum mechanics, multi-scale constitutive modeling of solids at finite strains including fiber reinforcement, computational methods, fracture, and material failure. He has made seminal contributions to biomechanics, embracing experiments, continuum mechanics modeling and finite element implementations for a variety of soft biological tissues including artery walls, heart tissue, and brain tissues.

In recent years, he has increasingly directed his attention towards the biomechanics and mechanobiology of soft biological tissues, the cardiovascular system including blood vessels in health and diseases such as aneurysm and aortic dissection, therapeutic interventions such as balloon angioplasty and stent implantation.

He has also made contributions in experimental biomechanics addressing phenomena at the nano, micro, or macrolevels. He used polarized light microscopy, second-harmonic imaging, and two-photon excitation microscopy together with medical image processing to visualize the nanostructure of soft tissues.

Besides his well-known textbook Nonlinear Solid Mechanics: A Continuum Approach for Engineering,[7] two of the constitutive models proposed by his group and longtime collaborator Professor Ray Ogden are now referred to as the [9] and [10] models which have been implemented in commercial software such as Simulia Abaqus[11]

Awards and honors

Holzapfel has received many awards and honors including the following:

Selected publications

Holzapfel has authored a graduate textbook and co-edited seven books. He contributed chapters to 25+ other books, and published 280+ peer-reviewed journal articles. Some of his most influential publications include:

External links

Notes and References

  1. Web site: Institute of Biomechanics Website . 2021-01-07.
  2. Web site: List of Institute Heads at TU Graz in December 2007. 2021-01-07.
  3. Web site: Holzapfel profile at Norwegian University of Science and Technology . 2020-12-26.
  4. Web site: Holzapfel profile at University of Glasgow . 2021-01-07.
  5. Web site: Biomechanics and Modeling in Mechanobiology website. 2021-01-07. Springer Nature.
  6. Web site: The World's Most Influential Scientific Minds 2014. Thomson Reuters has launched "Highly Cited Researchers", a compilation of influential names in science. 2021-01-07. Thomson Reuters.
  7. Web site: Nonlinear Solid Mechanics. 2021-01-07. John Wiley & Sons, Inc..
  8. Web site: Austrian Science Fund (Der Wissenschaftsfonds FWF) Webpage on the Schröderinger Scholarship Award for Gerhard A. Holzapfel . 2021-01-07.
  9. Holzapfel. Gerhard A.. Gasser. Thomas C. . Ogden. Ray W.. 2000. A new constitutive framework for arterial wall mechanics and a comparative study of material models. Journal of Elasticity and the Physical Science of Solids. 61. 1–3. 1–48. 10.1023/A:1010835316564. 9214560. Dec 26, 2020.
  10. Gasser. Thomas C. . Ogden. Ray W.. Holzapfel. Gerhard A.. 2006. Hyperelastic modelling of arterial layers with distributed collagen fibre orientations. Journal of the Royal Society Interface. 3. 6. 15–35. 10.1098/rsif.2005.0073. 16849214 . 1618483 .
  11. Web site: Abaqus documentation on hyperelastic models. 2021-01-07. Dassault Systèmes Simulia Corp.
  12. Web site: Austrian Science Fund (Der Wissenschaftsfonds FWF) Webpage on the Austrian Start-Prize Award for Gerhard A. Holzapfel . 2021-01-07.
  13. Web site: Austrian Academy of Sciences Webpage on the Erwin Schrödinger Award for Holzapfel . 2021-01-07.
  14. Web site: Erwin Schrödinger-Preis 2011 an Biomechaniker Holzapfel. 2021-01-07.
  15. Web site: European Alliance for Medical and Biological Engineering & Science Fellow Webpage . 2021-01-26.
  16. Web site: Austrian Academy of Sciences Webpage . 2021-01-26.
  17. Web site: Academia Europaea Webpage . 2021-01-26.
  18. Web site: Euromech fellows. 2021-01-07. European Mechanics Society.
  19. Web site: World Council on Biomechanics Website . 2021-01-07.
  20. Web site: EASA Website .
  21. Web site: Eugenio Beltrami Senior Scientist Prize. memocscenter.univaq.it. 18 January 2016 . 2022-06-17.
  22. Web site: William Prager Medal . socengsci.org. 2021-01-07.
  23. Web site: ASME Honors and Awards Webpage . 2021-05-27.
  24. Book: Elsevier Data Repository of World's Top 2% Scientists. 2023 . 10.17632/btchxktzyw.6 . https://elsevier.digitalcommonsdata.com/datasets/btchxktzyw/6. 2023-10-22 . Baas . Jeroen . Bibliometrics . 6 . Elsevier Data Repository .
  25. Web site: An honorary doctorate awarded to Professor Gerhard A. Holzapfel. 2024-06-23.

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