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Proceedings Papers

Stochastic Analysis of a Nonlinear Energy Harvester Model

P. D. Spanos, A. Richichi, F. Arena

Proc. ASME. OMAE2014, Volume 4B: Structures, Safety and Reliability, V04BT02A036, June 8–13, 2014

Paper No: OMAE2014-24489

DOI: https://doi.org/10.1115/OMAE2014-24489

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Topics: Damping, Design, Displacement, Dynamic analysis, Energy harvesting, Mooring, Power converters, Reliability, Seas, Simulation

Proceedings Papers

Efficient Dynamic Analysis of Floating Bodies Nonlinear Behavior in Wave Energy Conversion

P. D. Spanos, A. Richichi, F. Arena

Proc. ASME. OMAE2013, Volume 2B: Structures, Safety and Reliability, V02BT02A041, June 9–14, 2013

Paper No: OMAE2013-11402

DOI: https://doi.org/10.1115/OMAE2013-11402

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Topics: Buoys, Damping, Design, Dynamic analysis, Excitation, Floating bodies, Mooring, Power converters, Reliability, Stiffness

Proceedings Papers

A Monte Carlo Finite Element Method for Determining the Young’s Modulus of Polymer Nanocomposites Using Nanoindentation Data

A. Kontsos, P. D. Spanos

Proc. ASME. IDETC-CIE2007, Volume 3: 19th International Conference on Design Theory and Methodology; 1st International Conference on Micro- and Nanosystems; and 9th International Conference on Advanced Vehicle Tire Technologies, Parts A and B, 633-641, September 4–7, 2007

Paper No: DETC2007-34801

DOI: https://doi.org/10.1115/DETC2007-34801

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Topics: Carbon nanotubes, Finite element methods, Nanoindentation, Polymer nanocomposites, Young's modulus

Proceedings Papers

Steady-State Dynamic Response of Preisach Hysteretic Systems

P. D. Spanos, A. Kontsos, P. Cacciola

Proc. ASME. IDETC-CIE2005, Volume 1: 20th Biennial Conference on Mechanical Vibration and Noise, Parts A, B, and C, 1457-1466, September 24–28, 2005

Paper No: DETC2005-85552

DOI: https://doi.org/10.1115/DETC2005-85552

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Topics: Dynamic response, Steady state

Journal Articles

Nonstationary Response Envelope Probability Densities of Nonlinear Oscillators

P. D. Spanos, A. Sofi, M. Di Paola

J. Appl. Mech. March 2007, 74(2): 315–324.

DOI: https://doi.org/10.1115/1.2198253

Published Online: February 6, 2006

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Topics: Boundary-value problems, Differential equations, Eigenfunctions, Fokker-Planck equation, Probability, White noise, Harmonic oscillators, Computer simulation, Approximation, Density

Journal Articles

Steady-State Dynamic Response of Preisach Hysteretic Systems

P. D. Spanos, A. Kontsos, P. Cacciola

J. Vib. Acoust. April 2006, 128(2): 244–250.

DOI: https://doi.org/10.1115/1.2159041

Published Online: November 2, 2005

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Topics: Dynamic response, Steady state, Excitation, Linear systems, Linearization techniques

Journal Articles

A Method for Fatigue Analysis of Piping Systems on Topsides of FPSO Structures

P. D. Spanos, A. Sofi, J. Wang, B. Peng

J. Offshore Mech. Arct. Eng. May 2006, 128(2): 162–168.

DOI: https://doi.org/10.1115/1.2185126

Published Online: October 3, 2005

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Topics: FPSO, Pipelines, Stress, Fluids, Equations of motion, Galerkin method, Fatigue life

Journal Articles

Linear Multi-Degree-of-Freedom System Stochastic Response by Using the Harmonic Wavelet Transform

P. Tratskas, P. D. Spanos, Fellow ASME, L.B. Ryon Chair in Engineering

J. Appl. Mech. September 2003, 70(5): 724–731.

DOI: https://doi.org/10.1115/1.1601252

Published Online: October 10, 2003

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Topics: Excitation, Wavelet transforms, Wavelets, Frequency response

Journal Articles

Response Power Spectrum of Multi-Degree-of-Freedom Nonlinear Systems by a Galerkin Technique

G. Failla, Doctor of Philosophy,, P. D. Spanos, Fellow, ASME, M. Di Paola, Professor,

J. Appl. Mech. September 2003, 70(5): 708–714.

DOI: https://doi.org/10.1115/1.1599916

Published Online: October 10, 2003

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Topics: Computer simulation, Damping, Fourier series, Newton's method, Nonlinear systems, Polynomials, Spectral energy distribution, Jacobian matrices, Flow (Dynamics), Reliability

Journal Articles

Nonlinear Stochastic Drill-String Vibrations

P. D. Spanos, Fellow ASME, L. B. Ryon Professor of Engineering,, A. M. Chevallier, Engineering Consultant,, N. P. Politis, Graduate Student,

J. Vib. Acoust. October 2002, 124(4): 512–518.

DOI: https://doi.org/10.1115/1.1502669

Published Online: September 20, 2002

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Topics: Drill strings, Drilling, Simulation, Vibration, Stiffness, Excitation, Finite element analysis, Equations of motion, Bits (Tools), Nonlinear dynamical systems

Journal Articles

Generalized Random Decrement Method for Analysis of Vibration Data

P. D. Spanos, B. A. Zeldin

J. Vib. Acoust. July 1998, 120(3): 806–813.

DOI: https://doi.org/10.1115/1.2893901

Published Online: July 1, 1998

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Topics: Errors, Excitation, Free vibrations, Linear systems, Random vibration, Stochastic processes, Vibration, White noise

Journal Articles

On Random Field Discretization in Stochastic Finite Elements

B. A. Zeldin, P. D. Spanos

J. Appl. Mech. June 1998, 65(2): 320–327.

DOI: https://doi.org/10.1115/1.2789057

Published Online: June 1, 1998

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Topics: Finite element analysis, Interpolation, Volterra series

Journal Articles

Monte Carlo Treatment of Random Fields: A Broad Perspective

P. D. Spanos, B. A. Zeldin

Appl. Mech. Rev. March 1998, 51(3): 219–237.

DOI: https://doi.org/10.1115/1.3098999

Published Online: March 1, 1998

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Topics: Algorithms, Noise (Sound), Simulation

Journal Articles

Chaotic and Random Whirling Motion of Drillstrings

S. J. Kotsonis, P. D. Spanos

J. Energy Resour. Technol. December 1997, 119(4): 217–222.

DOI: https://doi.org/10.1115/1.2794993

Published Online: December 1, 1997

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Topics: Drill strings, Whirls, Damping, Design, Differential equations, Excitation, Fluids, Stochastic processes, Vibration, Weight (Mass)

Journal Articles

Bottom-Hole Assembly Modeling and Dynamic Response Determination

P. D. Spanos, M. L. Payne, C. K. Secora

J. Energy Resour. Technol. September 1997, 119(3): 153–158.

DOI: https://doi.org/10.1115/1.2794983

Published Online: September 1, 1997

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Topics: Dynamic response, Manufacturing, Modeling, Drill strings, Damping, Drilling, Dynamics (Mechanics), Failure, Fluids, Transfer functions

Journal Articles

Random Field Representation and Synthesis Using Wavelet Bases

B. A. Zeldin, P. D. Spanos

J. Appl. Mech. December 1996, 63(4): 946–952.

DOI: https://doi.org/10.1115/1.2787251

Published Online: December 1, 1996

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Topics: Wavelets, Simulation, Algorithms, Dynamic systems, Engineering systems and industry applications, Errors

Journal Articles

A Residual Flexibility Approach for Decoupled Analysis of Systems of Combined Components

P. D. Spanos, A. Majed

J. Vib. Acoust. October 1996, 118(4): 682–686.

DOI: https://doi.org/10.1115/1.2888352

Published Online: October 1, 1996

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Topics: Systems analysis, Junctions, Algebra, Algorithms, Displacement, Dynamic testing (Materials), Equations of motion, Equilibrium (Physics), Statics

Journal Articles

Modeling of Roller Cone Bit Lift-Off Dynamics in Rotary Drilling

P. D. Spanos, A. K. Sengupta, R. A. Cunningham, P. R. Paslay

J. Energy Resour. Technol. September 1995, 117(3): 197–207.

DOI: https://doi.org/10.1115/1.2835341

Published Online: September 1, 1995

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Topics: Drilling, Dynamics (Mechanics), Modeling, Rollers, Bits (Tools), Fluctuations (Physics), Drill strings, Mechanical admittance, Resonance, Weight (Mass)

Journal Articles

Nonlinear System Identification in Offshore Structural Reliability

P. D. Spanos, R. Lu

J. Offshore Mech. Arct. Eng. August 1995, 117(3): 171–177.

DOI: https://doi.org/10.1115/1.2827086

Published Online: August 1, 1995

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Topics: Nonlinear systems, Ocean engineering, Reliability, Design, Kinematics, Linear systems, Mechanical properties, Morison equation, Ocean waves, Offshore structures

Journal Articles

Hilbert Transform Generalization of a Classical Random Vibration Integral

P. D. Spanos, S. M. Miller

J. Appl. Mech. September 1994, 61(3): 575–581.

DOI: https://doi.org/10.1115/1.2901498

Published Online: September 1, 1994

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Topics: Algebra, Control engineering, Differential equations, Engineering mathematics, Random excitation, Random vibration, Spectra (Spectroscopy), Time-invariant systems, White noise

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