Modeling and Simulation of Manufacturing Processes
Comparison of modeled weld pool shape and actual welded joint.
Comparison of electrodiscrage machining model and experimental data
Comarison of laser assisted bending and FEM prediction
Metal-mold interface heat transfer coefficent calculation
Simulation stresses in a loaded adhesive joint
Publications
S. Das and A. J. Paul, "Determination of Interfacial Heat Transfer Coefficient in Casting and Quenching Using a Solution Technique for Inverse Problems Based on the Boundary Element Method," Metallurgical Transactions B, Vol. 24B, Dec.1993, pp. 1077-1088.
G. K. Upadhya, S. Das, U. Chandra and A. J. Paul, "Modeling the Investment Casting Process: A Novel Approach for View Factor Calculations and Defect Prediction," Applied Mathematical Modeling, Vol. 19, June 1995, pp.354-362.
S. Das, V. K. Suri, U. Chandra and K. Sampath, "A One Dimensional Mathematical Model for Selecting Plasma Spray Process Parameters," Journal of Thermal Spray Technology, Vol. 4 (2), June 1995, pp. 153-165.
K.Odumudu and S.Das, "A Numerical and Experimental Study of Forceless Forming Using Lasers," Computer Modeling and Simulation in Engineering, Vol 2, August 1997, pp.243-266.
S. Das, M. Klotz, and F. Klocke, “EDM Simulation: Finite Element Based Calculation of Deformation, Micro-structure and Residual Stresses”, Journal of Material Processing Technology, Vol 142, Nov 2003, pp. 434-451.
S. Das, G. Antonoglou, and F. Klocke, “Simulation of Fluid Flow in the Vicinity of the Electrode and the Workpiece in the Wire-EDM Process”, submitted to Journal of Material Processing Technology for publication.
A. Askari, S. Das, “Practical Numerical Analysis of a Crack Near A Weld Subjected To Primary Loading And Hydrogen Embrittlement”, Journal of Material Processing Technology, Vol. 173, March 2006, 1-13.
S. Das, S. Paolucci and M. Sen, "The Minimization of the Solidification Time of a Thin Cylindrical Shell, presented at ASME Winter Annual Meeting, Fundamentals of Phase Change: Freezing, Melting and Sublimation, ASME HTD, V. 215, pp. 79-87, Nov. 8-13, 1992.
S. Das, G. Upadhya, U. Chandra, M. J. Kleinosky and M. L. Tims, "Finite Element Modeling of Single-Pass GMA Weldment," Modeling of Casting, Welding and Advanced Solidification Processes VI, T. S. Piwonka, V. Voller and L. Katgerman, eds., TMS, Palm Coast, FL, March 21-23, 1993, pp.593-600.
S. Das. D. K. Moyer, M. L. Tims, G. Upadhya and M. J. Kleinosky, "Modeling Heat Transfer, Microstructure Development, Transformation Plasticity and Residual Stresses in GMA Multi-Pass Butt Welds," presented at International Conference on Modeling and Control of Joining Processes, Miami, Fl, December 8-10, 1993, Orlando, FL, edited by T. Zacharia, American Welding Society, Miami, FL, 1994 (published in proceedings, 8 pages).
S. Das and A. J. Paul, "Determination of Interfacial Heat Transfer Coefficient in Castings Using a Solution Technique for Inverse Problems Based on the Boundary Element Method, "Modeling of Casting, Welding and Advanced Solidification Processes VI, T. S. Piwonka, V. Voller and L. Katgerman, eds., TMS, Palm Coast, FL, March 21-23, 1993, pp.647-654.
S. Das, G. Upadhya and U. Chandra, "Prediction of Macro- and Micro-Residual Stress in Quenching Using Phase Transformation Kinetics," Quenching and Control of Distortion, G. Totten, ed., ASM, Chicago, Illinois, 1992, p.229-234.
S. Das, V. K. Suri, U. Chandra and K. Sampath, "A One Dimensional Mathematical Model for Selecting Plasma Spray Process Parameters," presented at the National Thermal Spray Conference, June 20-24, 1994.
S. Das, G. Upadhya and A. J. Paul, "A Geometric Approach to Optimized Riser Design in Castings," presented at the TMS Annual Meeting, Feb. 26-March 3, 1994. (paper published in proceedings, 11 pages).
D.K. Moyer, R.E.Smelser, M.J.Kleinosky, S.Das, “The Effect of Bead Lumping Strategies on Residual Stress Prediction in GMA Multi-Pass Welds,” ASM-TMS Materials Week, Oct 2-6, 1994, Rosemont,IL.
S. Das, V. Ramnarayan, K. G. Anand and K. C. Wang, "Prediction of Wrinkling during the HIP consolidation of_b1S Ti/Si Cf Composite Panels, presented at the TMS Annual Meeting, Feb. 26-March 3, 1994 (paper published in proceedings, 8 pages).
G. K. Upadhya, S. Das, U. Chandra and A. J. Paul, "Geometric Methods for Simulating Solidification Heat Transfer in Casting Processes," presented at the 1994 ASME Termophysics and Heat Transfer Conference, ASME Current developments in Numerical Simulation of Flow and Heat Transfer, ASME HTD, v.275, pp. 43-56, June 20-23, 1994.
K. Odumodu and S.Das, "Laser Shaping: A Numerical and Experimental Study," presented at the 32nd. Annual Conference of Society of Engineering Science, pp. 405-406, Oct.29-Nov. 2, 1995.
K. Odumodu and S.Das, "Forceless Forming using Laser," presented at the ASME winter Annual Meeting, Advanced Materials: Development and Characterization, Processing and Mechanical Behavior, ASME publ., pp. 169-170, November 1996, Atlanta, GA.
P. Akinyemi, Y.S. Chadda, and, S. Das, "A Finite Element Model to Predict Heat Generation and Tool Life in 3-D Oblique Cutting," presented at the 33nd. Annual Conference of Society of Engineering Science, Oct.1996 (paper published in proceedings, 8 pages).
U. Chandra, G.K. Upadhya, S. Das, and M.N. Davis, “Simplified Models for Simulation of Heat Treating Processes,” presentation, 21st ASM Heat Treating Society Conference, Indianapolis, IN, November 2001.
S. Das, “On Modeling Multi-pass Welding: Prediction of Residual Stresses and Microstructures,” second International Conference on Theoretical, Applied, Computational and Experimental Mechanics (ICTACEM 2001) Kharagpur, India, Dec. 27-30,2001, paper 110 (pp. 1-12), electronic proceedings published.
S. Das, “Enabling Agility in a Changing Automotive Environment: Mechanics to Mechatronics, A Perspective on Simulation,” International Conference on Agile Manufacturing (ICAM2006), July 19-20, 2006, Norfolk, VA.
R. H. Espinosa, S. Das, J. Weaver, “Simulation of Warm Forming Assisted Hemming to Study the Effect of Process Parameters on Product Quality, paper 07M-230, SAE 2007.
More information and copies of my publications can be found on this Researchgate site: researchgate.net/profile/Shuvra-Das-3