Dr. Chengtang Wu

Livermore Software Technology Corporation, CA, USA

Senior Scientist & Computation Research Group Leader

Email: ctwu@lstc.com

Qualifications

1999 Ph.D, University of Iowa, USA

Publications (Selected)

1. Wu, C. T. and Ren, B. (2015), “A Stabilized Non-ordinary State-based Peridynamics for the Nonlocal Ductile Material Failure Analysis in Metal Machining Process,” Computer Methods in Applied Mechanics and Engineering, Vol. 291, pp. 197-215.
2. Wu, C. T., Hu, W., Wang, H. P. and Lu, H. S. (2015), “A Robust Numerical Procedure for the Three-dimensional Thermo-mechanical Flow Simulation of Friction Stir Welding Process Using an Adaptive Element-free Galerkin Method,” accepted by Mathematical Problems in Engineering, in press.
3. Wu, Y. C., Wang, D. D.,  Wu, C. T., Zhang , H. (2015), “A Direct Displacement Smoothing Meshfree Particle Formulation for Impact Failure Modeling,” accepted by International Journal of Impact Engineering, DOI: 10.1016/j.ijimpeng.2015.03.013, in press.
4. Wu, C. T., Koishi, M. and Hu, W. (2015), “A Displacement Smoothing Induced Strain Gradient Stabilization for Meshfree Galerkin Nodal Integration Method,” Computational Mechanics, Vol. 56 (1), pp. 19-37.
5. Lai, X, Ren, B., Li, S. F., Wu, C. T., Regueiro, R. A. and Liu, L. (2015), “Peridynamics Simulations of geomaterial Fragmentation by Impulse Loads”, International Journal for Numerical and Analytical Methods in Geomechanics, DOI: 10.1002/nag.2356, in press.
6. Wu, C. T. and Ren, B. (2015), “Localized Particle Boundary Condition Enforcements for the State-based Peridynamics,” Coupled System Mechanics, Vol. 4 (1), pp. 1-18.
7. Wu, C. T. (2015) “An Immersed Meshfree Galerkin Method for Particle-reinforced Composite Analyses,” in: Meshfree Methods for Partial Differential Equations VII, Ed. By M. Griebel and M. A. Schweitzer, Volume 89 of Lecture Notes in Computational Science and Engineering, Springer (invited book chapter).
8. Wu, C. T. (2014), “Kinematic Constrains in the State-based Peridynamics with Mixed Local/nonlocal Gradient Approximations,” Computational Mechanics, Vol. 54 (5), pp. 1255-1267.
9. Wu, C. T., Hu, W. and Liu, G. R. (2014),”Bubble-enriched Smoothed Finite Element Method: A Variational Multi-scale Approach for Volume-constrained Problems in Two-dimensional Linear Elasticity,” International Journal for Numerical Methods in Engineering, Vol. 100 (5), pp.374-398.
10. Wu, Y. C., Wang, D. D. and Wu, C. T. (2014), “Three Dimensional Fragmentation Simulation of Concrete Structures with a Nodally Regularized Meshfree Method,”  Theoretical and Applied Fracture Mechanics, Vol. 27, pp. 89-99.
11. Wang, H. P., Wu, C. T. and Chen, J. S. (2014), “A Reproducing Kernel Smooth Contact Formulation for Metal Forming Simulations,” Computational mechanics, Vol. 54 (1), pp. 151-169.
12. Wu, C. T., Guo, Y. and Wang, D. D. (2014),”A Pure Bending Exact Nodal-averaged Shear Strain Method for the Finite Element Analysis of Plates,” Computational Mechanics, Vol. 53 (5), pp. 877-892.
13. Wu, C. T. and Ren, B. (2014), “Localized Particle Boundary Condition Enforcements for the State-based Peridynamics,” Interaction and Multi-scale Mechanics, Vol. 7, pp. 525-542.
14. Wu, C. T., Guo, Y. and Askari, E. (2013), “Numerical Modeling of Composite Solids Using an Immersed Meshfree Galerkin Method,” Composites Part B, Vol. 45, pp. 1397-1413.
15. Wu, C. T. and Wang, H. P. (2013), “An Enhanced Cell-based Smoothed Finite Element Method for the Analysis of Reissner-Mindlin Plate Bending Problems Involving Distorted Mesh,” International Journal for Numerical Methods in Engineering, Vol. 95, pp. 288-312.
16. Wu, C. T. and Hu, W. (2013), “Multi-scale Finite Element Analysis of Acoustic Waves Using Global Residual-free Meshfree Enrichments,” Interaction and Multi-scale Mechanics, Vol. 6 (2), pp.83-105.
17. Guo, Y., Wu, C. T., Park, C. K. (2013), “An Adaptive Meshfree Procedure for Shells in the Sheet Metal Forming Analysis,” Interaction and Multi-scale Mechanics, Vol. 6 (2), pp. 137-156.
18. Hu, W. and Wu, C. T. (2013), “Metal Forming Analysis Using Meshfree-enriched Finite Element Method and Mortar Contact Algorithm,” Interaction and Multi-scale Mechanics, Vol. 6 (2), pp. 237-255.
19. Cai, W., Wang, H. P. and Wu, C. T. (2013), “A Coupled Meshfree/Finite Element Moving Boundary Method for Self-pierce Riveting Simulation,” Interaction and Multi-scale Mechanics, Vol. 6 (2), pp.257-270.
20. Wu, C. T. and Koishi, M. (2012), “Three-dimensional Meshfree-enriched Finite Element Formulation for Micromechanical Hyperelastic Modeling of Particulate Rubber Composites”, International Journal for Numerical Methods in Engineering, Vol. 91, pp. 1137-1156.
21. Wu, C. T. and Hu, W. (2012), “A Two-level Mesh Repartitioning Scheme for the Displacementbased Lower-order Finite Element Methods in Volumetric Locking-free Analyses”, Computational Mechanics, Vol. 50, pp. 1-18.
22. Wu, C. T., Hu, W. and Chen, J. S. (2012), “Meshfree-enriched Finite Element Methods for the Compressible and Near-incompressible Elasticity”, International Journal for Numerical Methods in Engineering, Vol. 90, pp. 882-914.
23. Hu, W., Wu, C. T. and Koish, M. (2012), “A Displacement-based Nonlinear Finite Element Formulation Using Meshfree-enriched Triangular Elements for the Two-dimensional Large Deformation Analysis of Elastomers”, Finite Elements in Analysis and Design, Vol. 50, pp. 161-172.
24. Park, C. K., Wu, C. T. and Kan, C. D. (2011), “On the Analysis of Dispersion Property and Stable Time Step in Meshfree Method Using the Generalized Meshfree Approximation”, Finite Elements in Analysis and Design, Vol. 47, pp.683-697.
25. Wu, C. T. and Hu, W. (2011), “Meshfree-enriched Simplex Elements with Strain Smoothing for the Finite Element Analysis of Compressible and Nearly Incompressible Solids”, Computer Methods in Applied Mechanics and Engineering, Vol. 200, pp. 2991-3010.
26. Wu, C. T., Park, C. K. and Chen, J.S. (2011), “A Generalized Approximation for the Meshfree Analysis of Solids”, International Journal for Numerical Methods in Engineering, Vol. 85, pp.693-722.