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Proceedings Papers

Finite Element Modeling and Photoelastic Analysis of an Integral Armor Under Flexural Loading

H. Mahfuz, B. R. Lokesh, P. S. Das, U. Vaidya, S. Jeelani
Proc. ASME. IMECE97, Noise Control and Acoustics, 235-241, November 16–21, 1997
Paper No: IMECE1997-1049
DOI: https://doi.org/10.1115/IMECE1997-1049
View Paper titled, Finite Element Modeling and Photoelastic Analysis of an Integral Armor Under Flexural Loading
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Topics: Armor, Finite element analysis, Modeling, Bricks, Coating processes, Coatings, Composite materials, Deformation, Diffraction patterns, Failure mechanisms
Proceedings Papers

Detailed Stress Analysis of a Spherical Acrylic Submersible by 3-D Finite Element Modeling

Partha S. Das
Proc. ASME. IMECE99, Recent Advances in Solids and Structures, 153-165, November 14–19, 1999
Paper No: IMECE1999-0626
DOI: https://doi.org/10.1115/IMECE1999-0626
View Paper titled, Detailed Stress Analysis of a Spherical Acrylic Submersible by 3-D Finite Element Modeling
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Topics: Finite element analysis, Modeling, Stress analysis (Engineering), Submersibles, Gaskets, Nylon fabrics, Oceans, Stress, Aluminum, Fracture (Materials)
Proceedings Papers

Redesign of Spherical Acrylic Submersible for Manned Operation to 3000 ft (914.4 m) Ocean Depth

Partha S. Das
Proc. ASME. IMECE2000, Recent Advances in Solids and Structures, 145-161, November 5–10, 2000
Paper No: IMECE2000-1265
DOI: https://doi.org/10.1115/IMECE2000-1265
View Paper titled, Redesign of Spherical Acrylic Submersible for Manned Operation to 3000 ft (914.4 m) Ocean Depth
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Topics: Oceans, Submersibles, Fracture (Materials), Design, Finite element analysis, Displacement, Fatigue life, Gaskets, Maintenance, Mechanical behavior
Journal Articles

Numerical Solution of Nonlinear Reaction–Advection–Diffusion Equation

Anup Singh, S. Das, S. H. Ong, H. Jafari
Journal: Journal of Computational and Nonlinear Dynamics
Article Type: Research-Article
J. Comput. Nonlinear Dynam. April 2019, 14(4): 041003.
Paper No: CND-18-1173
DOI: https://doi.org/10.1115/1.4042687
Published Online: February 15, 2019
View Article titled, Numerical Solution of Nonlinear Reaction–Advection–Diffusion Equation
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Topics: Approximation, Diffusion (Physics), Stability, Boundary-value problems
Journal Articles

Influence of Impinging Wall Ramping Modification on the Flow Field of Open Cavity at M  = 2.0

V. S. Saranyamol, P. Kumar, S. Das
Journal: Journal of Fluids Engineering
Article Type: Research-Article
J. Fluids Eng. July 2018, 140(7): 071103.
Paper No: FE-17-1465
DOI: https://doi.org/10.1115/1.4039247
Published Online: March 16, 2018
View Article titled, Influence of Impinging Wall Ramping Modification on the Flow Field of Open Cavity at M  = 2.0
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Topics: Cavities, Pressure, Flow (Dynamics)
Journal Articles

Dual Combination Synchronization of the Fractional Order Complex Chaotic Systems

Ajit K. Singh, Vijay K. Yadav, S. Das
Journal: Journal of Computational and Nonlinear Dynamics
Article Type: Research-Article
J. Comput. Nonlinear Dynam. January 2017, 12(1): 011017.
Paper No: CND-16-1215
DOI: https://doi.org/10.1115/1.4034433
Published Online: September 16, 2016
View Article titled, Dual Combination Synchronization of the Fractional Order Complex Chaotic Systems
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Topics: Stability, Synchronization, Signals
Proceedings Papers

Exit Flow Vector Control on a Coanda Nozzle Using Dielectric Barrier Discharge Actuator

José C. Páscoa, Frederico F. Rodrigues, Shyam S. Das, M. Abdollahzadeh, A. Dumas, Michele Trancossi, Maharshi Subhash
Proc. ASME. IMECE2014, Volume 1: Advances in Aerospace Technology, V001T01A006, November 14–20, 2014
Paper No: IMECE2014-38915
DOI: https://doi.org/10.1115/IMECE2014-38915
View Paper titled, Exit Flow Vector Control on a Coanda Nozzle Using Dielectric Barrier Discharge Actuator
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Topics: Actuators, Flow (Dynamics), Nozzles, Computation, Computational fluid dynamics, Plasmas (Ionized gases), Propulsion, Testing, Thrust, Turbofans
Proceedings Papers

Three-Dimensional Structural Evaluation of a Gas Turbine Engine Rotor

Partha S. Das
Proc. ASME. GT2014, Volume 7A: Structures and Dynamics, V07AT31A025, June 16–20, 2014
Paper No: GT2014-26375
DOI: https://doi.org/10.1115/GT2014-26375
View Paper titled, Three-Dimensional Structural Evaluation of a Gas Turbine Engine Rotor
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Topics: Gas turbines, Rotors, Engines, Modeling, Steady state, Transients (Dynamics), Finite element analysis, Industrial gases, Airfoils, Blades
Proceedings Papers

Floquet Stability Analysis of a Rotor Supported on Rolling Element Bearings With Clearance and Static Load

C. A. Kitio Kwuimy, A. S. Das, C. Nataraj
Proc. ASME. IDETC-CIE2013, Volume 8: 22nd Reliability, Stress Analysis, and Failure Prevention Conference; 25th Conference on Mechanical Vibration and Noise, V008T13A057, August 4–7, 2013
Paper No: DETC2013-13695
DOI: https://doi.org/10.1115/DETC2013-13695
View Paper titled, Floquet Stability Analysis of a Rotor Supported on Rolling Element Bearings With Clearance and Static Load
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Topics: Clearances (Engineering), Rolling bearings, Rotors, Stability, Stress, Differential equations, Equilibrium (Physics), Excitation, Rotation
Proceedings Papers

Active Vibration Control of Flexible Rotor-Shaft System Subject to Earthquake

P. Sharma, S. Gupta, A. S. Das, J. K. Dutt
Proc. ASME. IMECE2012, Volume 4: Dynamics, Control and Uncertainty, Parts A and B, 795-805, November 9–15, 2012
Paper No: IMECE2012-89298
DOI: https://doi.org/10.1115/IMECE2012-89298
View Paper titled, Active Vibration Control of Flexible Rotor-Shaft System Subject to Earthquake
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Topics: Earthquakes, Rotors, Vibration control, Disks, Excitation, Computer simulation, Electromagnetic actuators, Vibration, Actuators, Damping
Proceedings Papers

Design and Analysis of a New Accessory Gearbox Housing for a Gas Turbine Engine

Partha S. Das
Proc. ASME. GT2011, Volume 6: Structures and Dynamics, Parts A and B, 1149-1158, June 6–10, 2011
Paper No: GT2011-46747
DOI: https://doi.org/10.1115/GT2011-46747
View Paper titled, Design and Analysis of a New Accessory Gearbox Housing for a Gas Turbine Engine
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Topics: Design, Gas turbines, Mechanical drives, Engines, Aircraft, Gears, Bearings, Finite element analysis, High cycle fatigue, Stress
Proceedings Papers

Optimization of Arrays of Rectangular Longitudinal Fins and Circular or Elliptical Cross-Section Spines

P. Razelos, S. Das
Proc. ASME. IMECE2010, Volume 7: Fluid Flow, Heat Transfer and Thermal Systems, Parts A and B, 245-256, November 12–18, 2010
Paper No: IMECE2010-40057
DOI: https://doi.org/10.1115/IMECE2010-40057
View Paper titled, Optimization of Arrays of Rectangular Longitudinal Fins and Circular or Elliptical Cross-Section Spines
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Topics: Fins, Optimization, Temperature
Proceedings Papers

Optimal Parameters of an Electromagnetic Actuator for Actively Controlling the Vibration of a Flexible Rotor-Shaft System

Anindya S. Das, Tarapada Roy, Jayanta K. Dutt
Proc. ASME. SMASIS2010, ASME 2010 Conference on Smart Materials, Adaptive Structures and Intelligent Systems, Volume 1, 505-512, September 28–October 1, 2010
Paper No: SMASIS2010-3718
DOI: https://doi.org/10.1115/SMASIS2010-3718
View Paper titled, Optimal Parameters of an Electromagnetic Actuator for Actively Controlling the Vibration of a Flexible Rotor-Shaft System
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Topics: Electromagnetic actuators, Rotors, Vibration, Actuators, Bearings, Control systems, Damping, Equations of motion, Finite element analysis, Finite element methods
Proceedings Papers

Analysis and Optimization of Rectangular Longitudinal and Circular Pin Fins With Space Variable Heat Transfer Coefficient

S. Das, P. Razelos
Proc. ASME. IMECE2009, Volume 9: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A, B and C, 1039-1047, November 13–19, 2009
Paper No: IMECE2009-10788
DOI: https://doi.org/10.1115/IMECE2009-10788
View Paper titled, Analysis and Optimization of Rectangular Longitudinal and Circular Pin Fins With Space Variable Heat Transfer Coefficient
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Topics: Fins, Heat transfer coefficients, Optimization
Proceedings Papers

An Improved Solution of the Transient Response of Convective Radial Fins

S. Das, P. Razelos
Proc. ASME. IMECE2007, Volume 8: Heat Transfer, Fluid Flows, and Thermal Systems, Parts A and B, 429-436, November 11–15, 2007
Paper No: IMECE2007-42940
DOI: https://doi.org/10.1115/IMECE2007-42940
View Paper titled, An Improved Solution of the Transient Response of Convective Radial Fins
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Topics: Fins, Steady state, Transients (Dynamics)
Proceedings Papers

Development of a Sustainability Scoring Method for Manufactured Automotive Products: A Case Study of Auto Body Panels

C. A. Ungureanu, S. Das, I. S. Jawahir
Proc. ASME. IMECE2007, Volume 15: Sustainable Products and Processes, 309-314, November 11–15, 2007
Paper No: IMECE2007-43818
DOI: https://doi.org/10.1115/IMECE2007-43818
View Paper titled, Development of a Sustainability Scoring Method for Manufactured Automotive Products: A Case Study of Auto Body Panels
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Topics: Sustainability, Aluminum, Automotive industry, Alloy steel, Climate change, Cycles, Economics , Motor vehicles, Vehicles
Proceedings Papers

Extending the Local Approach to Fracture: Methods for Direct Incorporation of Microstructural Effects Into Finite Element Models of Fracture

J. H. Beynon, S. Das, I. C. Howard, A. Chterenlikht
Proc. ASME. PVP2002, New and Emerging Computational Methods: Applications to Fracture, Damage, and Reliability, 229-237, August 5–9, 2002
Paper No: PVP2002-1213
DOI: https://doi.org/10.1115/PVP2002-1213
View Paper titled, Extending the Local Approach to Fracture: Methods for Direct Incorporation of Microstructural Effects Into Finite Element Models of Fracture
Click here to open pdf in another window PDF for Extending the Local Approach to Fracture: Methods for Direct Incorporation of Microstructural Effects Into Finite Element Models of Fracture
Topics: Finite element model, Fracture (Materials), Finite element analysis, Modeling, Alloy steel, Computers, Equilibrium (Physics), Failure mechanisms, Geometry, Microscale devices
Journal Articles

Failure of X52 Wrinkled Pipelines Subjected to Monotonic Axial Deformation

Y. Zhang, S. Das
Journal: Journal of Pressure Vessel Technology
Article Type: Research Papers
J. Pressure Vessel Technol. May 2008, 130(2): 021702.
DOI: https://doi.org/10.1115/1.2894294
Published Online: March 17, 2008
View Article titled, Failure of X52 Wrinkled Pipelines Subjected to Monotonic Axial Deformation
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Topics: Deformation, Failure, Pipelines, Pipes, Stress, Pressure, Rupture, Steel, Failure mechanisms
Journal Articles

Redesign of NEMO-Type Spherical Acrylic Submersible for Manned Operation to 3000 ft (914 m) Ocean Depth

Partha S. Das, Senior R&D Engineer,
Journal: Journal of Pressure Vessel Technology
Article Type: Technical Papers
J. Pressure Vessel Technol. February 2002, 124(1): 97–107.
DOI: https://doi.org/10.1115/1.1428746
Published Online: August 2, 2001
View Article titled, Redesign of NEMO-Type Spherical Acrylic Submersible for Manned Operation to 3000 ft (914 m) Ocean Depth
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Topics: Aluminum, Design, Finite element analysis, Gaskets, Nylon fabrics, Stress, Submersibles, Oceans
Journal Articles

Effect of Molecular Structure on Soot Formation Characteristics of Aviation Turbine Fuels

O¨. L. Gu¨lder, B. Glavincˇevski, S. Das
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research Papers
J. Eng. Gas Turbines Power. January 1989, 111(1): 77–83.
DOI: https://doi.org/10.1115/1.3240230
Published Online: January 1, 1989
View Article titled, Effect of Molecular Structure on Soot Formation Characteristics of Aviation Turbine Fuels
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Topics: Aviation, Fuels, Soot, Turbines, Carbon, Smoke, Hydrogen, Diffusion flames, Nuclear magnetic resonance, Combustion chambers