Yong Lin Pi

BE Tongji, ME Wohan, PhD UNSW, CPEng, MIEAust

Senior Research Associate

Contact Details

Office Location:
CE 603 Civil Engineering Building (H20)
Phone: +61 2 9385 5066
Fax: + 61 2 9385 6139
Email: y.piroberto@unsw.edujlo.au linproberto@unsw.edujlo.au

Research Areas

• Steel Structures
  Elastic and inelastic flexural-torsional buckling of beams and arches. Elastic and inelastic in-plane buckling of arches. Elastic and inelastic behaviour of beams curved in plan. Elastic and inelastic lateral-distortional buckling of beams and beam-columns. Bending and torsion of beams. Cold-formed steel structures. Strengths of beams, arches and beams curved in plan . Beams and arches code design rules.
• Structural Analysis
  Three dimensional nonlinear elastic and inelastic analysis of beams, arches, beams curved in plan and frames. Finite element methods. Nonlinear computational techniques in structural analysis.
• Structural Dynamics
  Elastic and inelastic structural dynamic analysis. Time domain modal identification of vibrating structures. Structural parameter identification.

Current and Recent Research Funding

Tin-Loi F, Pi Y-L. Limit and shakedown analyses allowing for geometric effects and physical instability.  ARC Discovery Project, 2009-2011.

Pi Y-L, Ting-Loi F. Elasto-plastic distortional analysis and strength of structures doubly-curved in space.  ARC Discivery Project, 2005-2007.

Selected Publications

Book Chapters

Pi, Yong-Lin and Mickleborough, N.C. "Nonlinear inelastic dynamic analysis of beams and beam-columns", Chapter 2 of Structural dynamic systems computational techniques and optimization. Nonlinear technique, C. T. Leondes (ed.), The Netherlands: Gordon & Breach Science Publishers, 1999, 49-84.

Bradford MA, Pi Y-L. A finite curved-beam element for thermoelastic buckling analysis of elastically supported arches. Chapter 9 of Trends in Computational Structures Technology, BHV Topping & M Papadrakis (eds.). Kippen, UK: Saxe-Coburg, 2008, 197-222.

Journal Articles

2008

Pi Y-L, Bradford MA. Dynamic buckling of shallow pin-ended arches under a sudden concentrated load. Journal of Sound and Vibration 2008; 317(3-5):898-917.

Xia H, Guo W, Wu X, Pi Y-L, Bradford MA. Lateral dynamic interaction analysis of a train-girder-pier system. Journal of Sound and Vibration 2008; 318(4-5):927-942.

Pi Y-L, Bradford MA, Tin-Loi F. Nonlinear in-plane buckling of rotationally restrained shallow arches under a central concentrated load. International Journal of Non-Linear Mechanics 2008; 43(1):1-17.

Bradford MA, Pi Y-L. Elastic flexural-torsional Instability of structural arches under hydrostatic pressure. International Journal of Mechanical Sciences 2008, 50(2):143-151.

Tong G, Pi Y-L, Bradford MA, Tin-Loi F. In-plane nonlinear buckling analysis of deep circular arches incorporating transverse stresses. Journal of Engineering Mechanics, American Society of Civil Engineers 2008; 134(5):362-373.

Bradford MA, Pi Y-L, Tin-Loi F. In-plane elastic non-linear analysis of shallow circular arches with generic end restraints. Archives of Civil Engineering 2008; 54(1):59-71.

Pi Y-L, Bradford MA. Thermoelastic lateral-torsional buckling of fixed slender beams under linear temperature gradient. International Journal of Mechanical Sciences 2008; 50(7):1183-1193.

Tong G, Pi Y-L, Bradford MA, Tin-Loi F. Buckling and second order effect in dual shear flexural systems. Journal of Structural Engineering, American Society of Civil Engineers 2008; 134(11):1726-1732.

Pi Y-L, Bradford MA, Tin-Loi F. In-plane strength of steel arches. International Journal of Advanced Steel Construction 2008; 4(4):306-322.

Pi Y-L, Bradford MA, Liang S. Elasto-dynamic instability of shallow pin-ended steel arches under central step loading. International Journal of Advanced Steel Construction (accepted 11 August 2008).

2007

Pi Y-L, Bradford MA, Uy B. A rational elasto-plastic spatially curved thin-walled beam element. International Journal for Numerical Methods in Engineering 2007; 70(3):253-290.

Pi Y-L, Bradford MA, Tin-Loi F. Nonlinear analysis and buckling of elastically supported arches. International Journal of Solids and Structures 2007; 44(7-8):2401-2425.

Pi Y-L, Bradford MA. Discussion of: Effect of torsion on limiting temperature of steel structures in fire. Journal of Structural Engineering, American Society of Civil Engineers 2007; 133(7):1046-1047.

Pi Y-L, Bradford MA, Tin-Loi F, Gilbert RI. Geometric and material nonlinear analysis of elastically restrained arches. Engineering Structures 2007; 29(3):283-295.

Bradford MA, Wang T, Pi Y-L, Gilbert RI. In-plane stability of parabolic arches with horizontal spring supports. I. Theory. Journal of Structural Engineering, American Society of Civil Engineers 2007; 133(8):1130-1137.

Wang T, Bradford MA, Gilbert RI, Pi Y-L. In-plane stability of parabolic arches with horizontal spring supports. II. Experiments. Journal of Structural Engineering, American Society of Civil Engineers 2007; 133(8):1138-1145.

Pi Y-L, Bradford MA, Tin-Loi F. Flexural-torsional buckling of shallow arches under uniform radial loads. Thin-Walled Structures 2007; 45(3):352-362.

Guo YJ, Zhu AZ, Pi YL, Tin-Loi F.  Experimental study on compressive strengths of thick-walled cold-formed sections.  Journal of Constructional Steel Research,  63( 5): 718-723.

2006

Bradford MA, Pi Y-L (2006) Elastic lateral-torsional buckling of fixed arches. Journal of Constructional Steel Research 2006; 62(1-2):20-26.

Pi Y-L, Bradford MA, Uy B. Second order nonlinear analysis of steel-concrete members. I: Theory. Journal of Structural Engineering, American Society of Civil Engineers 2006; 132(5):751-761.

Pi Y-L, Bradford MA, Uy B. Second order nonlinear analysis of steel-concrete members. II: Applications. Journal of Structural Engineering, American Society of Civil Engineers 2006; 132(5):762-771.

Pi Y-L, Bradford MA, Trahair NS, Chen YY. A further study of flexural-torsional buckling of elastic arches. Closure in International Journal of Structural Stability and Dynamics 2006; 6(1):157-162.

Pi Y-L, Bradford MA. A rotation matrix for 3-D nonlinear analysis. Australian Journal of Mechanical Engineering 2006; 3(1):31-38.

Bradford MA, Pi Y-L, Gilbert RI. Nonlinear in-plane behaviour and buckling of concrete-filled steel tubular arches. Welding in the World 2006; 50:320-325.

Bradford MA, Pi Y-L. Elastic flexural-torsional buckling of circular arches under uniform compression and effects of load height. Journal of Mechanics of Materials and Structures 2006; 1(7):1235-1256

2005

Pi Y-L, Bradford MA. Out-of-plane strength design of fixed steel arches. Journal of Structural Engineering, American Society of Civil Engineers 2005; 131(4):560-568.

Pi YL, Bradford MA, Uy B. Nonlinear analysis of members curved in space with warping and Wagner effects. International Journal of Solids and Structures 2005; 42(11-12):3147-3169.

Pi Y-L, Bradford MA, Trahair NS, Chen YY. A further study of flexural-torsional buckling of elastic arches. International Journal of Structural Stability and Dynamics 2005; 5(2):163-183.

Pi Y-L, Bradford MA, Uy B. A spatially curved-beam element with warping and Wagner Effects. International Journal for Numerical Methods in Engineering 2005; 63(9):1342-1369.

Pi Y-L, Bradford MA, Chen YY. An equilibrium approach for flexural-torsional buckling of elastic steel arches. Advanced Steel Construction 2005; 1(1):47-66.

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