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A Single Point of Integration - Northwestern University Single Point of Integration Walter P. Murphy...

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A Single Point of Integration Walter P. Murphy Professor and McCormick Distinguished Professor of Computational Mechanics Ted Belytschko Presented by: Wing Kam Liu Prepared by: Patrick Lea, Sheng Peng, Jifeng Zhao, Miguel Bessa, and Devin O’Connor
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A Single Point of Integration Walter P. Murphy Professor

and

McCormick Distinguished Professor of Computational Mechanics

Ted Belytschko

Presented by: Wing Kam Liu

Prepared by: Patrick Lea, Sheng Peng, Jifeng Zhao, Miguel Bessa, and Devin O’Connor

The Chicken and Egg Problem in

Computational Mechanics T.J.R. Hughes

Institute for Computational Engineering and Sciences (ICES) The University of Texas at Austin

Dedication

Happy 70th Birthday to Ted Belytschko, a great friend for 38 years and counting

NWU2013, Advances in Computational Mechanics with Emphasis on Fracture and Multiscale Phenomena, April 18-20, 2013

USNCCM July 2007, San Francisco, CA

Belytschko_Liu_Chong_June2011 (Belytschko Home)

Rewards of 70 Years • National Academy of Science • National Academy of Engineering • Numerous Honorary Degrees • William Prager Medal, Society of Engineering Science, 2011* • Timoshenko Medal, ASME, 2001 • Structural Computational Mechanics Award, US Association

for Computational Mechanics, 1997 (renamed) • Gauss-Newton Medal, International Association for

Computational Mechanics 2002* • Theodore von Karman Medal, American Society of Civil

Engineers (ASCE), 1999 • Computational Mechanics Award, International Association

for Computational Mechanics, 1994

Reward from Thy Academic Grandfather • Prager Medal from Society of

Engineering Science (2011) – The prize is awarded for outstanding

research contributions in either theoretical or experimental Solid Mechanics or both.

• Hodge and Beltyschko – Plane Stress Limit Analysis by Finite

Elements Journal of the Engineering Mechanics Division, Vol. 96, No. 6, November/December 1970, pp. 931-944

• Prager and Hodge – Theory of perfectly plastic solids

From a Line of Greatness

Carl Friedrich Gauss Christian Ludwig Gerling Julius Plücker Felix Klein

Ferdinand von Lindemann William Prager

Wilhelm Schlink

To a Line of Future Greatness (We (students & followers) Hope)

Patrick Lea Sheng Peng Devin O’Connor Miguel Bessa Jifeng Zhao

Hope for Awards from Thy Academic Father • Ted Belytschko Applied Mechanics

Award – ASME – Glass plaque and Honorarium – For contributions in the practice of engineering mechanics

• Belytschko Lecture Series – Lectures on Computational Science & Engineering – Northwestern University

• The Belytschko Medal – USACM – Medal and Honorarium – For contributions to computational structural and solid mechanics

Professor Oñate received the Ted Belytschko AMD Award; Professor Bazant received the Timoshenko Medal;

ASME Meeting , Orlando, November, 2009

Ken Chong Received the Ted Belytschko Award, 2011

Feeling the “Impact” Belytschko, Ted, and Mark O. Neal. "Contact-impact by the pinball algorithm with penalty and Lagrangian methods.”

Belytschko, Ted, Jerry I. Lin, and Tsay Chen-Shyh. "Explicit algorithms for the nonlinear dynamics of shells.”

http://www.crash-analysis.com/pages/images/explorer.jpg http://www.philonnet.gr/products/lstc/ls_dyna/

Belytschko, Ted and Bachrach, William E. “Efficient implementation of quadrilaterals with high coarse-mesh accuracy.”

Henrkl Stolarski

Jerry Lin

Tsay Chen-Shyh Bill Bachrach Mark Neal

Sometimes Taking Small & Large Steps

Displacement

velocity

Results with m=1 can be considered as reference solutions

Mark O. Neal (not shown)

William Daniel

Zhanli Liu

Patrick Smonlinski

Patrick Lea

Casting a Wide Net

EFG

Shaofan Li

JS Chen

Timon Rabczuk

Petr Krysl

What happened In 1999…

• The euro is established. • People prepared for the Y2K bug • Record of the Year is My Heart Will Go On by

Celine Dion • Lance Armstrong “wins” his first Tour de

France. • What else…

XFEM

Extending what is possible… Elisa Budyn

Phil Moseley

Sheng Peng

Timon Rabczuk

Jay Oswald

Patrick Lea

Zhanli Liu

Nicolas Moes

John Dolbow

Robet Gracie

J-H Song

Qindlin Duan

Yan Liu

Pushing Fracture in a New Way

James Kennedy Guess who

in the audience

Jeong-Hoon Song Robert Gracie

Charbel Farhat Timon Rabczuk

Patrick Lea

To Spread FEM around the U.S.

And Around the World

Guanajuato, Mexico 2002

And Teaching Thousands More

Nonlinear finite element analysis for continua and structures Beltyschko et al., First Edition, 1999 Second Edition has been completed and will be out sometime in 2013 Per Readers demand , Solution Manual is now available in the 2nd Edition

HAPPY BIRTHDAY TED BELYTSCHKO

Lake Michigan January 14, 2012


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