yichung@spring.iam.ntu.edu.tw

 Room 427, Institute of Applied Mechanics

 886-2-3366-5627

 886-2-2363-9290

• PhD (Major: Applied Mechanics, Minor:  Materials Science ), California Institute of Technology, 1998.

• MS (Civil Engineering), National Taiwan University, 1992.

• BS (Civil Engineering), National Taiwan University, 1990.

• Associate Professor, Institute of Applied Mechanics, National Taiwan University, 2003-present.

• Executive Editor, Journal of Mechanics, 2002-present.

• Assistant Professor, Institute of Applied Mechanics, National Taiwan University, 2000-2003.

• Assistant Scientist, Aeronautics, California Institute of Technology, 1999-2000.

• Postdoctoral Scholar, Aeronautics, California Institute of Technology, 1998-1999.

• Visiting Scientist, Isaac Newton Institute for Mathematical Sciences, 1999.

• Visiting Scientist, Max-Planck Institute for Mathematics in the Sciences, 1997-1998.

• Multiscale Materials Modeling
• Thin-Film Mechanics
• Vibration-Based Piezoelectric Energy Harvesting Systems

• Elasticity
• Microstructure of Smart Materials
• Introduction to Phase-Field Modeling
• Introduction to Piezoelectric Energy Harvesting
• Microstructure and Macroscopic Behavior of Materials
• Symmetry and Physical Properties of Materials

• Ph.D J. H. Yen Ph.D I. C. Lien Ph.D  H. Z. Chen 

  A.  Journal Papers  (*: corresponding author)

• Y. C. Shu* and J. H. Yen. Multivariant Model of Martensitic Microstructure in Thin Films. Accepted for publication in Acta Materialia, 2008.

• J. H. Yen, Y. C. Shu*, J. Shieh and J. H. Yeh.  A Study of Electromechanical Switching in Ferroelectric Single Crystals. Journal of the Mechanics and Physics of Solids, Vol. 56, pp. 2117-2135, 2008.

• L. J. Li, J. Y. Li, Y. C. Shu, H. Z. Chen and J. H. Yen. Magnetoelastic Domains and Magnetic Field-Induced Strains in Ferromagnetic Shape Memory Alloys by Phase-Field Simulation. Applied Physics Letters, Vol. 92, Art. No. 172504, 2008.

• Y. C. Shu*, J. H. Yen, H. Z. Chen, J. Y. Li and L. J. Li.  Constrained Modeling of Domain Patterns in Rhombohedral Ferroelectrics. Applied Physics Letters, Vol. 92, Art. No. 052909, 2008.

• Y. C. Shu*, I. C. Lien and W. J. Wu.  An Improved Analysis of SSHI Interface in Piezoelectric Energy Harvesting. Smart Materials and Structures, Vol. 16, pp. 2253-2264, 2007.

• J. Shieh, J. H. Yeh, Y. C. Shu and J. H. Yen. Operation of Multiple 90° Switching Systems in Barium Titanate Single Crystals under Electromechanical Loading.  Applied Physics Letters, Vol. 91, Art No. 062901, 2007.

• Y. C. Shu* and J. H. Yen. Pattern Formation in Martensitic Thin Films. Applied Physics Letters, Vol. 91, Art No. 021908, 2007.

• Y. C. Shu*, J. H. Yen, J. Hsieh and J. H. Yeh. Effect of Depolarization and Coercivity on Actuation Strains due to Domain Switching in Barium Titanate,  Applied Physics Letters, Vol. 90, Art No. 172902, 2007.

• Y. C. Shu* and I. C. Lien. Analysis of Power Output for Piezoelectric Energy Harvesting Systems, Smart Materials and Structures, Vol. 15, pp. 1499-1512, 2006.

• Y. C. Shu* and I. C. Lien. Efficiency of Energy Conversion for a Piezoelectric Power Harvesting System, Journal of Micromechanics and Microengineering, Vol. 16, pp. 2429-2438, 2006.

• Y. C. Shu*, M. P. Lin and K. C. Wu. Micromagnetic Modeling of Magnetostrictive Materials under Intrinsic Stress. Mechanics of Materials, Vol. 36, pp. 975-997, 2004.

• Y. C. Shu*. Strain Relaxation in an Alloy Film with a Rough Free Surface. Journal of Elasticity, Vol. 66, pp. 63-92, 2002.

• Y. C. Shu*. Shape-Memory Micropumps. Materials Transactions, Vol. 43, pp. 1037-1044, 2002.

• Y. C. Shu and K. Bhattacharya. Domain Patterns and Macroscopic Behavior of Ferroelectric Materials. Philosophical Magazine B, Vol. 81, pp. 2021-2054, 2001.

• Y. C. Shu*. Heterogeneous Thin Films of Martensitic Materials. Archive for Rational Mechanics and Analysis, Vol. 153, pp. 39-90, 2000.

• Y. C. Shu and K. Bhattacharya. The Influence of Texture on the Shape-Memory Effect in Polycrystals. Acta Materialia, Vol. 46, pp. 5457-5473,  1998.

• C. S. Yeh, Y. C. Shu, and K. C. Wu. Conservation Laws in Anisotropic Elasticity I. Basic Framework. Proceedings of the Royal Society, London Ser A, Vol. 443, pp. 139-151, 1993.

• C. S. Yeh, Y. C. Shu, and K. C. Wu. Conservation Laws in Anisotropic Elasticity II. Extension and Application to Thermoelasticity. Proceedings of the Royal Society, London Ser A, Vol. 443, pp. 153-161, 1993.
  

• H. Yen, Y. C. Shu*, J. Shieh and J. H. Yeh. “Construction of Minimum Energy Ferroelectric Domains with Applications to Large Strain Actuation,” 2007 MRS-T Annual Meeting, Hsinchu, Taiwan (Supported by NSC). (received student's award)。

• Y. C. Shu and J. H. Yen, “Simulation of Microstructure in Martensitic Thin Films,” ASME International Mechanical Engineering Congress and Exposition, Seattle, Washington, 2007 (Supported by NSC).

• Y. C. Shu and I. C. Lien, “A Comparison between the Standard and SSHI Interfaces used in Piezoelectric Power Harvesting,” SPIE's 14th International Symposium on Smart Structures and Materials, San Diego, California, 2007 (Supported by Ministry of Economic Affairs ).

• Y. C. Shu and I. C. Lien, “Steady State Response of a Piezoelectric Power Harvesting System,” ASME International Mechanical Engineering Congress and Exposition, Chicago, Illinois, 2006 (Supported by NSC).

• J. Shieh, J.H. Yeh, J.H. Yen and Y.C. Shu. “Hysteresis Behaviors of Barium Titanate Single Crystals under Stress and Electric Field,” 17^th International Conference on Adaptive Structures and Technologies, ICAST 2006, Taipei, Taiwan, 2006 (Supported by NSC).

• Y. C. Shu and I. C. Lien, “Efficiency of a Piezoelectric Power Harvesting System,” The 17^th International Conference on Adaptive Structures and Technologies, Taipei, Taiwan, 2006 (Supported by NSC).

• Y. C. Shu and J. H. Yen, “Micromagnetic Modeling of Released/Non-released  Magnetostrictive Films,” MRS (Materials Research Society) Fall Meeting, Boston, 2005 (Supported by NSC).

• Y. C. Shu, “Recoverable Deflection of Pressurized Shape-Memory Films and Foils,” ASME International Mechanical Engineering Congress, Anaheim, 2004 (Supported by Ministry of Economic Affairs).

• Y. C. Shu and J. H. Yen, “Micromagnetic Modeling of the Behavior of Magnetostrictive Films under Stress,” MRS (Materials Research Society) Fall Meeting, Boston, 2003 (Supported by NSC).

• Y. C. Shu, “Pressurized Shape-Memory Micropumps,” SPIE’s 9th Annual International Symposium on Smart Structures and Material: Active Materials: Behavior and Mechanics,” San Diego, California, 2002 (Supported by NSC).

• Y. C. Shu, “Pressurized Heterogeneous Thin Films of Martensitic Materials.” IUTAM (International Union of Theoretical and Applied Mechanics) Symposium on “Mechanics of Martensitic Phase Transformations in Solids,” Hong Kong, 2001 (Invited, supported by NSC).

• Y. C. Shu. “Heterogeneous Thin Films of Martensitic Materials with Application to Large Strain Actuators,” International Conference on Modeling and Simulation of Microsystems, San Diego, California, 2000.
  

• Y. C. Shu. Theory of SMA Thin Films for Microactuators and Micropumps. In S. Miyazaki, Y. Q. Fu and W. M. Huang editors, Thin Film Shape Memory Alloys: Fundamental and Device Applications, Cambridge University Press, 2008 (submitted).

• Y. C. Shu. Performance Evaluation of Vibration-Based Piezoelectric Energy Scavengers. In S. Priya and D. Inman editors, Advances in Energy Harvesting Technologies, Springer, 2008 (submitted).

• Y. C. Shu. Pressurized Heterogeneous Thin Films of Martensitic Materials. In Q. P. Sun editor, Mechanics of Martensitic Phase Transformation in Solids, pages 171-178. Kluwer Academic Publishers. Netherlands,  2002.

• K. Bhattacharya, R.V. Kohn, and Y. C. Shu. The Taylor Estimate of Recoverable Strains in Shape-Memory Polycrystals. In Y. A. Bahei-El-Din and G. J. Dvorak, editors, Transformation Problems in Composite and Active Materials, pages 123-134. Kluwer Academic Publishers. Netherlands, 1998.
  

D.  Patent

•  E. N. Burcsu, K. Bhattacharya, G. Ravichandran and Y. C. Shu, “Electrostrictive Actuator Using Ferroelectric Single Crystal,” United States Patent, No: US 6,437,486 B1, Date of Patent: Aug. 20, 2002.