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Yucheng Liu, Ph.D, P.E.

Phone: 337-482-5822
Fax: 337-482-1129
P.O. Box 44170
Lafayette, LA 70504
Email: yucheng.liu@louisiana.edu
Website: http://www.ucs.louisiana.edu/~yxl5763/

Research Interests:

• Computer modeling and simulation
• Computer-aided design and engineering
• Finite element analysis
• Crashworthiness analysis
• Structural mechanics
• Kinematics and dynamics
• Mechanical and advanced machine design
• Vehicle system design and analysis
• Development of interactive design software
• Applied mathematics

Principal publications:

Books and Chapters

• Liu, Yucheng, Simplified Modeling for Crashworthiness Analysis: Vehicle Chassis, VDM-Verlag, Saarbrucken, 2008
• Liu, Yucheng and Day, M. L., “Axial Crushing of Thin-Walled Tubes with Octagonal Section: Modeling and Design,” Chapter 25 in Advances in Computational Algorithms and Data Analysis, Edited by S-L. Ao, B.B. Rieger, and S-S. Chen, Springer Netherlands, 2008.

Refereed Journals

• Liu, Yucheng, “Application of Chebyshev Polynomial in Solving Fredholm Integral Equations,” Accepted by Mathematical and Computer Modelling, In Press.
• Liu, Yucheng, “Collapse Behavior and Simplified Modeling of Triangular Cross-Section Columns,” Accepted by Indian Journal of Engineering & Material Sciences, In Press.
• Liu, Yucheng, “Simulating Torsional Collapse Behavior of Thin-Walled Beams Using Simplified Finite Element Models,” Accepted by International Journal for Computational Methods in Engineering Science and Mechanics, In Press.
• Liu, Yucheng, “Dynamic Crushing Behaviors of Steel Beams with Box Section,” Accepted by International Journal of Modeling and Simulation, In Press.
• Liu, Yucheng, “Adomian Decomposition Method with Second Kind Chebyshev Polynomials,” Accepted by Applied Mathematics and Mechanics, In Press.
• Liu, Yucheng, “Development of Instructional Courseware in Thermodynamics Education,” Accepted by Computer Applications in Engineering Education, In Press.
• Liu, Yucheng, “Adomian Decomposition Method with Orthogonal Polynomials: Legendre Polynomials,” Mathematical and Computer Modelling, 2009 49(5/6) pp. 1268 – 1273
• Liu, Yucheng and Day, M. L., “Concept Modeling of Tapered Thin-Walled Tubes,” Journal of Zhejiang University Science A, 2009 10(1) pp. 44 – 53
• Liu, Yucheng, “Crashworthiness Design of Multicorner Thin-Walled Columns,” Thin-Walled Structures, 2008 46(12) pp. 1329 – 1337
• Liu, Yucheng, “Improved Concept Models for Straight Thin-Walled Columns with Box Cross Section,” Journal of Zhejiang University Science A, 2008 9(11) pp. 1473 – 1479
• Liu, Yucheng and Day, M. L., “Multi-Axis Bending of Channel Section Beam And Modeling,” Thin-Walled Structures, 2008 46(11) pp. 1290 – 1303
• Liu, Yucheng, “Design Optimization of Tapered Thin-Walled Square Tubes,” International Journal of Crashworthiness, 2008 13(5) pp. 543 – 550
• Liu, Yucheng and Day, M. L., “Simplified Truck Chassis Modeling and Crashworthiness Analysis,” International Journal of Heavy Vehicle Systems, 2008 15(2/3/4) pp. 237 – 254
• Liu, Yucheng, “Constructing Equations of Motion for A Vehicle Rigid Body Model,” SAE Transactions, paper no. 2008-01-2751
• Liu, Yucheng, “Recent Innovations in Vehicle Suspension Systems,” Recent Patents on Mechanical Engineering, 2008 1(3) pp. 206 – 210
• Liu, Yucheng, “ANSYS and LS-DYNA Used for Structural Analysis,” International Journal of Computer Aided Engineering and Technology, 2008 1(1) pp. 31 – 44
• Liu, Yucheng, “Design Optimization of Thin-Walled Steel Beams with Improved Stiffness and Reduced Weight,” International Journal of Design Engineering, 2008 1(2) pp. 149 – 165
• Liu, Yucheng, “Structural and NVH Analyses of Mixed Thin-Walled Structures Using FEA Concept Models,” International Journal of Computer Applications in Technology, 2008 32(1) pp. 63 – 68
• Liu, Yucheng and Day, M. L., “Bending Collapse of Thin-Walled Circular Tubes and Computational Application,” Thin-Walled Structures, 2008 46(4) pp. 442 – 450
• Liu, Yucheng, “Optimum Design of Thin-Walled Box Section Beams for Crashworthiness Analysis,” Finite Elements in Analysis and Design, 2008 44(3) pp. 139 – 147
• Liu, Yucheng and Day, M. L., “Impact Experimental Analysis and Computer Simulation on Automotive Bumper System,” International Journal for Computational Methods in Engineering Science and Mechanics, 2008 9(1) pp. 51 – 59
• Liu, Yucheng and Day, M. L., “Simplified Modeling of Cross Members in Vehicle Design,” SAE Transactions: Journal of Passenger Cars – Mechanical Systems, paper no. 2007-01-2135
• Liu, Yucheng and Day, M. L., “Development of Simplified Finite Element Model for General Thin-Walled Structures,” International Journal of Crashworthiness, 2007 12(6) pp. 597 – 608
• Liu, Yucheng and Day, M. L., “Development of Simplified Finite Element Model for Straight Thin-Walled Tubes with Octagonal Cross Section,” International Journal of Crashworthiness, 2007 12(5) pp. 503 – 508
• Liu, Yucheng and Day, M. L., “Simplified Modeling of Thin-Walled Box Section Beam,” International Journal of Crashworthiness, 2006 11(3) pp. 263 – 272
• Liu, Yucheng and Day, M. L., “Bending Collapse of Thin-Walled Beams with Channel Cross Section,” International Journal of Crashworthiness, 2006 11(3) pp. 251 – 262

Dissertation

Liu, Yucheng, “Development of Simplified Models for Crashworthiness Analysis”

Conference Proceedings

• Liu, Yucheng and Day, M. L., “Parametric Study on Axial Crushing of Thin-Walled Beams with Box Section,” Proceedings of Symposium on Mechanics of Slender Structures (MoSS 2008), University of Maryland Baltimore County, USA, July 23 – 25, 2008.
• Liu, Yucheng and Day, M. L., “Bending and Modeling of Channel Section Beam,” Proceedings of Symposium on Mechanics of Slender Structures (MoSS 2008), University of Maryland Baltimore County, USA, July 23 – 25, 2008.
• Liu, Yucheng and Day, M. L., “Simplified Modeling of Thin-Walled Tubes with Octagonal Cross Section – Axial Crushing,” Proceedings of World Congress on Engineering and Computer Science (WCECS 2007), San Francisco, USA, October 24 – 26, 2007.
• Liu, Yucheng and Day, M. L., “Simplified Modeling of Thin-Walled Tubes with Octagonal Cross Section – Axial Crushing,” Proceedings of 6 th European LS-DYNA Users’ Conference, Gothenburg, Sweden, May 29 – 30, 2007.
• Liu, Yucheng and Day, M. L., “Development of Simplified Truck Chassis Model for Crashworthiness Analysis,” Proceedings of LS-DYNA International Users Conference, Dearborn, MI, June 4 – 6, 2006.
• Liu, Yucheng and Day, M. L., “Impact Experimental Analysis and Computer Simulation Using ANSYS,” Proceedings of 2006 International ANSYS Conference, Pittsburgh, PA, May 2 – 4, 2006.
• Liu, Yucheng and Day, M. L., “Comparisons between Detailed and Simplified Models for Thin-Walled Beams Structures,” Proceedings of 2005 Huntsville Simulation Conference, Huntsville, AL, October 25 – 28, 2005.