PUBLICATIONS

Journal Papers

1.   Zhao, Z.Y. and Adey, R. A., “An Alternative Approach to Shape Design Sensitivity Analysis,” Int. J.  Numerical Methods in Engineering, UK, Vol. 35, No. 6, pp. 1071-1086, 1992.

2.   Zhao, Z.Y. and Adey, R. A., “A Numerical Study of the Elements of Shape Optimum Design,” J. Engineering Analysis with Boundary Elements, UK, Vol. 9, No. 4, pp. 339-349, 1992

3.   Zhao, Z.Y., “Shape Design Sensitivity Analysis of Kinematical Boundaries,” J. Structural Optimization, Germany, Vol. 5, No. 3, pp. 190-196, 1993.

4.   Zhao, Z.Y., “An Alternative Approach to Three-Dimensional Shape Design Sensitivity Analysis,” J. Engineering Mechanics, ASCE, USA, Vol 119, pp. 2143-2156, 1993.  

5.   Zhao, Z.Y., “Stress and Stress Gradient Evaluation - a BEM Approach,” J. Advances in Engineering Software, U.K., Vol. 19, pp. 45-52, 1994.

6.   Zhao, Z.Y., Pan, T.C. and Hao, H., “Free Field Response to Contained Explosions,” IES Journal,   Singapore, Vol. 34, No. 7, pp. 68-71, 1994.

7.   Zhao, Z.Y., “On the Calculation of Boundary Stresses in Boundary Elements,” J. Engineering Analysis with Boundary Elements, UK, Vol. 16, No. 4, pp. 317-322, 1995.  

8.  Zhao, Z.Y., “Interelement Stress Evaluation by Boundary Elements,” Int. J.  Numerical Methods in Engineering, UK, Vol. 39, No. 14, pp. 2399-2415, 1996.  

9.   Zhao, Z.Y. and  Zhang, W.L., “Influence of Workmanship of the Bonding Strength of Tiles to External Walls,” Int. J. Adhesion and Adhesives, UK, Vol. 17, pp. 47-53, 1997.

10.  Guan, L.W., Alum, J., Zhao, Z.Y., Zhang, W.L. and Liu, X., “Impact of Workmanship on the Performance of Tiled-wall Systems,” J. Performance of Constructed Facilities, ASCE, USA, Vol. 1, No.2, pp. 82-89, 1997.

11.  Zhao, Z.Y., “A Simple Error Indicator for Adaptive Boundary Element Method,” J. Computers & Structures, UK, Vol. 68(5),  pp. 433-443, 1998.

12.   Zhao, Z.Y., “Error Estimation in Adaptive BEM by Post-processing Interpolation,” J. Communications in Numerical Methods in Engineering, UK, Vol. 14, pp.633-645, 1998.

13.  Zhao, Z.Y. and Lan, S.R., “Boundary Stress Calculation - A Comparison Study,” J. Computers & Structures, UK, Vol. 71(1),  pp. 77-85, 1999.  

14.  Zhao, Z.Y. and Wang, X., “Error Estimation and H Adaptive Boundary Elements,” J. Engineering Analysis with Boundary Elements, UK, Vol. 23, pp. 793-803, 1999.  

15.  Lie, S.T., Zhao, Z.Y. and Yan, S.H., “Two-dimensional Magnification Factors, Mk, for Non-load-carrying Fillet Welds Cruciform Joints,” J. Engineering Fracture Mechanics, USA, Vol. 65, pp. 435-453, 2000.  

16.  Wang, X., Xing, Y. and Zhao, Z.Y., “Adaptive h-hierarchical Boundary Elements Algorithm,”  Chinese Journal of Computational Mechanics, PRC,  Vol.17,  No. 2, pp.201-206, 2000.

17.  Wang, X. and Zhao, Z.Y., “The Calculation of Interpolation Residual and Error  Estimation in h-adaptive Boundary Element Methods,” Chinese Quarterly of  Mechanics, PRC, Vol. 21, No. 2, pp. 179-186, 2000.

18.  Zhao, Z.Y. and Lie, S.T., “Design Sensitivity Analysis with Hypersingular Boundary Elements,” J. Engineering Analysis with Boundary Elements, UK, Vol. 24(6), pp. 485-490, 2000.               

19.  Lie, S. T., Yu, G.Y. and Zhao, Z.Y. “Analysis of Mechanically Fastened Composite Joints by Boundary Element Methods,” Journal of Composite Part B: Engineering, USA, Vol. 31, pp. 693-705, 2000.   

20.  Zhao, Z.Y. and Chen, C.Y., “Concrete Bridge Deterioration Diagnosis Using Fuzzy Inference System,” J. Advances in Engineering software, UK, Vol. 32, pp. 317-325, 2001.

21.  Zhao, Z.Y., He, W.W. and Fan, S.C. “A Preliminary Design System for Concrete Box Girder Bridges,“ J. Computing in Civil Eng., ASCE, USA, Vol. 15(3), pp. 184-192, 2001.

22.  Lie, S.T. Yu, G.Y. and Zhao, Z.Y., “Coupling of BEM/FEM for time domain structural-acoustic interaction problems,” J. Computer Modeling in Engineering & Sciences, USA, Vol. 2(2), 171-180, 2001.  

23.  Zhao, Z.Y. and Ren, L.Q. “Failure Criterion of Concrete under Triaxial Stresses Using Neural networks,” J. Computer-aided Civil and Infrastructure Engineering, USA, Vol. 17, pp. 68-73, 2002.

24.  Zhao, Z.Y. and Chen C.Y. “A Fuzzy System for Concrete Bridge Damage Diagnosis,”  J. Computers & Structures, UK,   Vol. 80(7-8), pp. 629-641, 2002. 

25.  Zhao, Z.Y., “Strength Model of Steel Columns under Elevated Temperature using Neural Network,” IES Journal, Singapore, Vol. 42, No. 6, pp. 12 – 16, 2002.

26.  Ren, L.Q. and Zhao, Z.Y. “An Optimal Neural Network and Concrete Strength Modeling,” J. Advances in Engineering Software, UK, Vol. 33, pp. 117-130, 2002.

27.  Jiang, N., Zhao, Z. Y. and Ren, L.Q. “Design of structural neural networks with genetic algorithm,” J. Advances in Engineering Software, UK, Vol. 34, pp. 17-24, 2003.

28.  Yuan, W.F., Zhao, Z.Y., Lie, S.T. and Yu, G.Y. “Numerical implementation of the symmetric Galerkin boundary element method in 2D elastodynamics,” Int. J.  Numerical Methods in Engineering, UK, Vol. 58 (7), pp. 1049-1069, 2003.  

29.  Zhao, Z.Y. and Yuan, W.F. “Evaluation of singular integrals in the symmetric Galerkin boundary element method,” J. Advances in Engineering Software, Vol. 35, pp. 781 – 789, 2004.

30.  Zhao, Z.Y. “Steel column under fire – a neural network based strength model,” J. Advances in Engineering Software, UK, Vol. 37(2), pp. 97-105, 2006.

31.  Zhang, H.Q., Zhao, Z.Y., Tang, C.A., Song, L. “Numerical Study of Shear Behavior of Intermittent rock Joints with different geometrical parameters”, Int J of Rock Mechanics and Mining Sciences, UK, Vol. 43, pp. 802-816, 2006.

32.    Zhao, Z.Y., Q.M. Gong, Y. Zhang and J. Zhao. “Prediction model of tunnel boring machine performance by ensemble neural network”, Int J of Geomechanics and Geoengineering, Vol. 2 (2), pp. 123-128, 2007.

33.  Chen, X.L., Zhao, Z.Y. and Liew, K.M. “Stability of piezoelectric FGM rectangular plates subjected to non-uniformly distributed load, heat and voltage”
J. Advances in Engineering Software, Vol 39 (2),  pp. 121 – 131, 2008.

34.  Zhao, Z.Y., Zhang, Y. and Liao, H. “Design of ensemble neural network using the Akaike information criterion”, Int J of Engineering Applications of Artificial Intelligence, article in press.  

35.  Zhao, Z.Y. and Gu, J. “Stress recovery procedure for discontinuous deformation analysis”, J. Advances in Engineering Software, Vol. 40 (1), pp. 52 – 57, Jan. 2009.

36.  J.X. Liu, Z.Y. Zhao, J. Zhang, N.G. Liang. Numerical investigation of crack growth in concrete subjected to compression by the generalized beam lattice model. Computational Mechanics. DOI : 10.1007/s00466-008-0305-z

37.  J.X. Liu, Z.Y. Zhao, Deng S.C., N.G. Liang. A simple method to simulate shrinkage induced cracking in cement-based composites by lattice-type modeling. Computational Mechanics. DOI: 10.1007/s00466-008-0323-x

38.  J.X. Liu, Z.Y. Zhao, Deng S.C., N.G. Liang. Modified generalized beam lattice model associated with fracture of reinforced fiber/particle composites. Theoretical and applied fracture mechanics. DOI: 10.1016/j.tafmec.2008.07.006

39.  Gu, J, and Z.Y. Zhao “Considerations of the discontinuous deformation analysis on wave propagation problems, Int J. Numerical and analytical methods in geomechanics.



        

Conference Papers

1.   Zhao, Z.Y. and Adey, R.A., “Sensitivity analysis using the boundary element method,” Proc. 10th Int. Boundary Element Conference, 1988,  pp.515-531, Southampton, UK.

2.   Zhao, Z.Y. and Adey, R. A., “Shape sptimization using the boundary element method,” Proc. 1st Int. Conference on Computer Aided Optimum Design of Structures, 1989,  pp.145-163, Southampton, UK.

3.   Zhao, Z.Y. and Adey, R. A., “Shape optimization - a numerical consideration,” Proc. 11th Int. Boundary Element Conference, 1989, pp.195-208, Boston, USA.

4.   Zhao, Z.Y. and Adey, R. A., “The Accuracy of the Variational Approach to Shape Design Sensitivity Analysis,” Proc. Int. Boundary Element Symposium,  1990, pp.83-94, Nice,  France.

5.   Zhao, Z.Y. and  Adey, R. A., “A Finite Difference Based Approach to Shape Design Sensitivity Analysis,” Proc. 12th Int. Boundary Element Conference, 1990, pp.249-266, Sapporo, Japan.

6.   Zhao, Z.Y., “Finite Difference Load Method for Shape Design Sensitivity Analysis of the Kinematical Boundaries, “Proc. 13th Int. Boundary Element Conference,  1991,  pp. 755-765, Oklahoma, USA.

7.  Zhao, Z.Y., “Three-Dimensional Design Sensitivity Analysis,” Proc. Int. Conf. Optimization Techniques and Applications, 1992,  pp.918-925, Singapore.

8.   Zhao, Z.Y., Pan, T.C., Hao, H.,  Cheah, C.K. and Ong, T.H., “Free Field Response to Shock Loads, “Proc. 4th NTU/MINDEF seminar, 1992, pp. 33-38, Singapore.

9.  Zhao, Z.Y., “A Stress Smoothing Method Through Post Processing - Applications in Design Sensitivity Analysis,” Proc. OPTI93 Conf., 1993, pp. 363-371, Spain.

10.  Zhao, Z.Y., Pan, T.C., Hao, H., Cheah, C.K. and Ong, Y.H., “Free Field Response to Contained Explosions,” Proc. 5th NTU/MINDEF seminar, 1993,  pp. 5-10, Singapore.

11.  Hao, H., Pan, T.C. and Zhao, Z.Y., “Linear and Nolinear Pile Response to Blast loads,” Proc. 5th NTU/MINDEF seminar, 1993,  pp. 26-33, Singapore.

12  Hao, H., Pan, T.C. and Zhao, Z.Y., “Inelastic Response of Pile-Soil System to Blast Loads,” Proc. 3rd Int. Conf. Structure Under Shock and Impact, 1994, Madrid, Spain.

13. Zhang, W.L., Zhao, Z.Y., Guan, L.W. and Alum, J., “Infrared Thermography Evaluation of External Wall Tiling,” Proc. Int. Conf. Building Envelope Systems and Technology, 1994, pp. 109-114, Singapore.

14. Zhao, Z.Y., “Curriculum Design – A Case Study,” 8th ERA Conference, Improving Educational Practice: Meeting the Challenge of Diversity, 1994, Singapore.

15.  Zhao, Z.Y.,  “The Accuracy of Shape Design Sensitivity Analysis by BEM - A Review,” Proc. First World Congress of Structural and Multidisciplinary Optimization, 1995,  pp. 359-364,Goslar, Germany.

16.      Zhao, Z.Y. and He, W.W., “Case-based Reasoning in Bridge Design,” Proc. ICAIE Conference, 1998, pp. 241-245 Wuhan, P.R. China.

17.      Zhao, Z.Y., “Concrete Strength under Triaxial Stress – A Neural Network Approach,” Proc. 1st Int. Conf. Advances in Structural Engineering and Mechanics, 1999, pp. 291 – 296, Seoul, Korea.

18.      Zhao, Z.Y. and Fan, S.C., “An Expert System for Box Girder Bridge Design,” Proc. APSEC 2000, 2000, pp. 75-81 KL, Malaysia.

19.      Zhao, Z.Y. and Ren, L. Q. “Neural network architecture and its application in  concrete strength modelling,” Proc. First Asian-Pacific Congress on Computational Mechanics, 2001, pp. 1321-1326, Sydney, Australia.

20.      Zhao, Z.Y., Yuan, W.F., Lie, S.T. and Yu, G.Y . “Symmetric Galerkin BEM for dynamic analysis, “Proc. First Asian-Pacific Congress on Computational Mechanics, 21-23 August, 2001, pp. 1547-1552, Sydney, Australia.

21.      Ren, L.Q. and Zhao, Z.Y. “Modular Neural Network With Application In Concrete Modeling, “Proc. EASEC-8, 5-6 December 2001, Singapore.

22.      Zhao, Z.Y. and Fan, S.C. “Preliminary Bridge Design – A Neural Network Approach,” Proc. the 7th Int. Symposium on Structural Engineering for Young Experts, 28-31 August 2002, pp.822-827, Tianjin, China.

23.      Yuan, W.F., Zhao, Z.Y., Lie, S. and Yu, G. “Numerical Implementation of SGBEM in 2D Elastodynamics,” Proc. 3rd Int. Conference on Boundary Element Technique, 10-12 Sept. 2002, pp. 21-26, Beijing, China.

24.      Zhao, Z.Y., Yuan, W.F and Lie, S. “Symmetric Galerkon Boundary Element Method for two-dimentional Elastodynamics,” invited paper, Proc. Int Conf. of Boundary Element Technology XV, 19-21 May 2003, pp. 355-363, Detroit, USA.

25.      Li, Y.H., Zhang,H.Q., Tang, C.A., Yu, Q.L., Zhao, Z.Y. “A Numerical Approach for Studying self-organized criticality behaviour in rock failure progress process’, int conf. on computational methods, December 15-17, 2004, Singapore.

26.      Chen, X.L., Zhao, Z.Y., Liew, K.M. “EFG Based Stability Analysis of Piezoelectric FGM Plates Subjected to Electricity, Heat and Non-uniformly Distributed Loads. In Proceedings of Boundary Elements XXVII, March 15-17 2005,    pp. 307-317, Orlando, USA.

27.      Zhao, Z.Y., Zhang, H.Q., Tang, C.A., Wang, S.Y. “Numerical Study on Breakage and Shear Behavior of Intermittent rock Joints”, GeoShanghai Int Conference, June 6 – 8, 2006, pp.248-253, Shanghai, China.

28.      Zhao, Z.Y. and Gu, J. “Rock Response Under Blast Load by Discontinuous Deformation Analysis,” 4th Asian Rock Mechanics Symposium , 8 to 10 November, 2006, Singapore.

29.      Chen, X.L. and Zhao, Z.Y. “Wave Propagation in SHPB by Discontinuous Deformation Analysis,”  2nd International Conference on Design and Analysis of Protective Structures, 13 – 15 Nov. 2006, Singapore.

30.      Zhang, Y. and Zhao, Z.Y. “Development of Ensemble Neural Network by Akaike Information Criterion,” 3rd Int Conf. on Artificial Intelligence in Engineering and Technology, 22-24 Nov. 2006, pp. 430 – 435. Kota Kinabalu, Malaysia.

31.      Zhao, Z.Y. and Gu, J., 2006. Rock response under blast load by discontinuous deformation analysis, 4th Asian Rock Mechanics Symposium , , 6 pages inside Conference CD-ROM, 8 -10 November, 2006, Singapore.

32.      Chen, X.L. and Zhao, Z.Y., 2006. Wave propagation in SHPB by discontinuous deformation analysis, 2nd International Conference on Design and Analysis of Protective Structures, 5 pages inside Conference CD-ROM, 13 – 15 Nov. 2006, Singapore,

33.      Zhao, Z.Y., Gu, J. and Bao, H.R., 2007. Stress recovery procedure for discontinuous deformation analysis. 11th International Congress on Rock Mechanics (ISRM), pp. 435-438, 9-13 July, 2007, Portugal.

34.      Zhao, Z.Y., Gu, J and Bao, H.R. Understanding fracture patterns of rock mass due to blast load - A DDA approach. 8th International Conference on Analysis of Discontinuous Deformations (ICADD-8), 6 pages inside Conference CD-ROM, 17-19 August 2007, Beijing, China.

Others

1. Zhao, Z.Y., 1991. Shape Design Sensitivity Analysis and Optimization using the Boundary Element Method, Lecture Notes in Engineering, Vol. 62, 192pp, Springer-Verlag, Berlin.
2.  Zhao, Z.Y., Pan, T.C. and Hao, H. , 1992. Literature Survey and Preliminary Considerations on Numerical Modelling, Technical report No. 1 of the Joint NTU/PWD/MINDEF project.
3.  Zhao, Z.Y., Pan, T.C. and Hao, H., 1992. Stability and Accuracy of Numerical Integration for Transient Dynamic Loading, Technical Report No. 2 of the Joint NTU/PWD/MINDEF Project.
4.  Zhao, Z.Y. and Pan, T.C., 1993. Free Field Response to Shock Loads, Civil Engineering Bulletin, NTU, Singapore.
5. Zhao, Z.Y., Lim, E.C., and Zhang, W.L., 1994. Thermography on the Detection of External Tile Delamination, Civil Engineering Bulletin, NTU, Singapore.
6.  Pan, T.C., Zhao, Z.Y.,  Cheong, H.K., Hao, H., Leong, E. C., Duan, X.N. and Koh, C.H., 1993. Numerical Analysis of Free-Field Response and Modal Analysis of In-Situ Dynamic Measurement Units, Technical Report No. 4 of the Joint NTU/PWD/MINDEF project.
7.  Zhao, Z.Y., Lim, E.C., and Zhang, W.L., 1994. Thermography on the Detection of External Tile Delamination, Civil Engineering Bulletin, NTU, Singapore.
8.  Pan, T.C., Leong, E.C., Zhao, Z. Y., Cheong, H.K., and Hao, H., 1995,  Experimental and Numerical Investigations on Response of Soil-Pile System To Shock Loading, Final report of the Joint NTU/MINDEF/PWD project.

[Updated: Jan. 2009]