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Proceedings Papers

Scattering and Transmission of Mixed-Mode Waves in Delaminated Thick Composite Beams

D. Roy Mahapatra, S. Gopalakrishnan, T. S. Sankar
Proc. ASME. IDETC-CIE2001, Volume 6B: 18th Biennial Conference on Mechanical Vibration and Noise, 2043-2050, September 9–12, 2001
Publisher: American Society of Mechanical Engineers
Paper No: DETC2001/VIB-21543
https://doi.org/10.1115/DETC2001/VIB-21543
View Paper titled, Scattering and Transmission of Mixed-Mode Waves in Delaminated Thick Composite Beams
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Topics: Composite building materials, Electromagnetic scattering, Radiation scattering, Scattering (Physics), Waves, Delamination, Finite element methods, Finite element analysis, Algorithms, Composite materials
Journal Articles

Transient Vibro-Thermography and Nonlinear Resonant Modes

G. Kolappan Geetha, D. Roy Mahapatra, Chi-Won In, D. A. Raulerson
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. December 2020, 142(6): 061007.
Paper No: VIB-20-1035
https://doi.org/10.1115/1.4046860
Published Online: May 22, 2020
View Article titled, Transient Vibro-Thermography and Nonlinear Resonant Modes
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Topics: Cavities, Contact dynamics, Resonance, Simulation, Thermography, Transients (Dynamics), Heat, Heat flux, Excitation, Actuators
Proceedings Papers

Modeling and Simulation of Hydrodynamic Interaction of DNA in a Micro-Fluidic Channel

Sunitha Raghavan, D. Roy Maahapatra, Arnab Samanta
Proc. ASME. NEMB2013, ASME 2013 2nd Global Congress on NanoEngineering for Medicine and Biology, V001T02A005, February 4–6, 2013
Publisher: American Society of Mechanical Engineers
Paper No: NEMB2013-93127
https://doi.org/10.1115/NEMB2013-93127
View Paper titled, Modeling and Simulation of Hydrodynamic Interaction of DNA in a Micro-Fluidic Channel
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Topics: DNA, Microfluidics, Modeling, Simulation, Fluids, Chain, Geometry, Microchannels, Boundary-value problems, Center of mass
Proceedings Papers

Mechanism of Cell Lysis in Microfluidic Channel With Integrated Nanocomposite Electrodes

Madhusmita Mishra, Anil Krishna Koduri, Aman Chandra, D. Roy Mahapatra, G. M. Hegde
Proc. ASME. NEMB2013, ASME 2013 2nd Global Congress on NanoEngineering for Medicine and Biology, V001T02A004, February 4–6, 2013
Publisher: American Society of Mechanical Engineers
Paper No: NEMB2013-93126
https://doi.org/10.1115/NEMB2013-93126
View Paper titled, Mechanism of Cell Lysis in Microfluidic Channel With Integrated Nanocomposite Electrodes
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Topics: Electrodes, Microfluidics, Nanocomposites, Electric fields, Microchannels, Biological cells, Carbon nanotubes, Coating processes, Coatings, DNA
Journal Articles

A Nearly Exact Reformulation of the Girsanov Linearization for Stochastically Driven Nonlinear Oscillators

Tara Raveendran, D. Roy, R. M. Vasu
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Research-Article
J. Appl. Mech. March 2013, 80(2): 021020.
Paper No: JAM-11-1087
https://doi.org/10.1115/1.4007779
Published Online: January 25, 2013
View Article titled, A Nearly Exact Reformulation of the Girsanov Linearization for Stochastically Driven Nonlinear Oscillators
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Topics: Brownian motion, Displacement, Errors, Probability, Stochastic processes, Theorems (Mathematics), Filtration, Density, Noise (Sound), Excitation
Proceedings Papers

Gyrosonics: Signature Analysis and Reduced-Order Models

D. Roy Mahapatra, N. Chakraborty, S. Bandopadhyay, B. Balachandran
Proc. ASME. IMECE2010, Volume 2: Biomedical and Biotechnology Engineering, 419-424, November 12–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2010-39847
https://doi.org/10.1115/IMECE2010-39847
View Paper titled, Gyrosonics: Signature Analysis and Reduced-Order Models
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Topics: Brain, Circuits, Excitation, Signals, Skin
Proceedings Papers

Effect of Core-Shell Structure of Hydrogel Beads on the Threshold Concentration of Water for Swelling and its pH Sensitivity

Jolly Bhadra, Pramod K. Nampoothiri, Kamlesh J. Suthar, D. Roy Mahapatra
Proc. ASME. IMECE2010, Volume 2: Biomedical and Biotechnology Engineering, 283-289, November 12–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2010-39583
https://doi.org/10.1115/IMECE2010-39583
View Paper titled, Effect of Core-Shell Structure of Hydrogel Beads on the Threshold Concentration of Water for Swelling and its pH Sensitivity
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Topics: Hydrogels, Shells, Water, Equilibrium (Physics), Ions, Pressure, Computer simulation, Diffusion (Physics), Einstein field equations, Electric fields
Proceedings Papers

Modeling of Cohesive Zone and Crack Growth in Ni-Al Thin-Film Using MD-XFEM Based Approach

Gaurav Singh, Vijay Kumar Sutrakar, D. Roy Mahapatra
Proc. ASME. IMECE2010, Volume 9: Mechanics of Solids, Structures and Fluids, 543-551, November 12–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2010-37868
https://doi.org/10.1115/IMECE2010-37868
View Paper titled, Modeling of Cohesive Zone and Crack Growth in Ni-Al Thin-Film Using MD-XFEM Based Approach
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Topics: Fracture (Materials), Modeling, Thin films, Mechanical properties, Molecular dynamics simulation, Alloys, Bridges (Structures), Coatings, Crystals, Engines
Proceedings Papers

Field Emission Efficiency of a Carbon Nanotube Array Under Parasitic Nonlinearities

Sandeep V. Anand, D. Roy Mahapatra, Niraj Sinha, J. T. W. Yeow, R. V. N. Melnik
Proc. ASME. IMECE2010, Volume 10: Micro and Nano Systems, 609-618, November 12–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2010-39558
https://doi.org/10.1115/IMECE2010-39558
View Paper titled, Field Emission Efficiency of a Carbon Nanotube Array Under Parasitic Nonlinearities
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Topics: Carbon nanotubes, Electron field emission, Electrons, Emissions, Biomedicine, Dynamics (Mechanics), Anodes, Cancer, Cathode rays, Current density
Proceedings Papers

Hydrodynamic Energy Harvesting Using an Ionic Polymer-Metal Composite Stack for Underwater Applications

Arvind Krishnaswamy, D. Roy Mahapatra
Proc. ASME. IMECE2010, Volume 5: Energy Systems Analysis, Thermodynamics and Sustainability; NanoEngineering for Energy; Engineering to Address Climate Change, Parts A and B, 1435-1439, November 12–18, 2010
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2010-39549
https://doi.org/10.1115/IMECE2010-39549
View Paper titled, Hydrodynamic Energy Harvesting Using an Ionic Polymer-Metal Composite Stack for Underwater Applications
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Topics: Composite materials, Energy harvesting, Metals, Polymers, Electrolytes, Deformation, Electrodes, Membranes, Stepper motors, Water waves
Proceedings Papers

A Family of Runge-Kutta Based Explicit Methods for Rotational Dynamics

S. Ghosh, D. Roy
Proc. ASME. IMECE2007, Volume 9: Mechanical Systems and Control, Parts A, B, and C, 255-264, November 11–15, 2007
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2007-41396
https://doi.org/10.1115/IMECE2007-41396
View Paper titled, A Family of Runge-Kutta Based Explicit Methods for Rotational Dynamics
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Topics: Rotational dynamics, Algorithms, Rotation, Manifolds, Space, Equations of motion
Journal Articles

The Girsanov Linearization Method for Stochastically Driven Nonlinear Oscillators

Nilanjan Saha, D. Roy
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Technical Papers
J. Appl. Mech. September 2007, 74(5): 885–897.
https://doi.org/10.1115/1.2712234
Published Online: November 3, 2006
View Article titled, The Girsanov Linearization Method for Stochastically Driven Nonlinear Oscillators
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Topics: Displacement, Polynomials, Probability, Simulation, White noise, Errors, Stochastic processes, Theorems (Mathematics), Scalars
Journal Articles

Improved Procedures for Static and Dynamic Analyses of Wrinkled Membranes

Amit Shaw, D Roy
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Technical Briefs
J. Appl. Mech. May 2007, 74(3): 590–594.
https://doi.org/10.1115/1.2338057
Published Online: April 10, 2006
View Article titled, Improved Procedures for Static and Dynamic Analyses of Wrinkled Membranes
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Topics: Finite element analysis, Membranes, Deformation, Stress, Dynamic analysis
Journal Articles

Analysis of Wave Propagation in Beams With Transverse and Lateral Cracks Using a Weakly Formulated Spectral Method

N. Hu, H. Fukunaga, M. Kameyama, D. Roy Mahapatra, S. Gopalakrishnan
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Technical Papers
J. Appl. Mech. January 2007, 74(1): 119–127.
https://doi.org/10.1115/1.2188015
Published Online: January 18, 2006
View Article titled, Analysis of Wave Propagation in Beams With Transverse and Lateral Cracks Using a Weakly Formulated Spectral Method
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Topics: Fracture (Materials), Interpolation, Wave propagation, Waves, Cantilever beams, Displacement, Finite element analysis
Journal Articles

A New Method for Nonlinear Two-Point Boundary Value Problems in Solid Mechanics

L. S. Ramachandra, D. Roy
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Technical Papers
J. Appl. Mech. September 2001, 68(5): 776–786.
https://doi.org/10.1115/1.1387444
Published Online: May 17, 2001
View Article titled, A New Method for Nonlinear Two-Point Boundary Value Problems in Solid Mechanics
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Topics: Algebra, Boundary-value problems, Buckling, Cantilever beams, Deflection, Differential equations, Equilibrium (Physics)
Journal Articles

A Novel Technique in the Solution of Axisymmetric Large Deflection Analysis of a Circular Plate

L. S. Ramachandra, D. Roy
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Brief Notes
J. Appl. Mech. September 2001, 68(5): 814–816.
https://doi.org/10.1115/1.1379039
Published Online: March 13, 2001
View Article titled, A Novel Technique in the Solution of Axisymmetric Large Deflection Analysis of a Circular Plate
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Topics: Deflection, Differential equations, Algebra
Journal Articles

Nonlinear Dynamics of a Rigid Block on a Rigid Base

R. N. Iyengar, D. Roy
Journal: Journal of Applied Mechanics
Publisher: ASME
Article Type: Technical Papers
J. Appl. Mech. March 1996, 63(1): 55–61.
https://doi.org/10.1115/1.2787209
Published Online: March 1, 1996
View Article titled, Nonlinear Dynamics of a Rigid Block on a Rigid Base
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Topics: Construction, Corners (Structural elements), Manifolds, Nonlinear dynamics, Simulation results, Stability
Journal Articles

Flow Development and Analysis of MHD Generators and Seawater Thrusters

E. D. Doss, G. D. Roy
Journal: Journal of Fluids Engineering
Publisher: ASME
Article Type: Research Papers
J. Fluids Eng. March 1992, 114(1): 68–72.
https://doi.org/10.1115/1.2910002
Published Online: March 1, 1992
View Article titled, Flow Development and Analysis of MHD Generators and Seawater Thrusters
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Topics: Flow (Dynamics), Generators, Magnetohydrodynamics, Seawater, Electrodes, Fluid dynamics, Plasma generators, Skin friction (Fluid dynamics), Computers, Electric fields