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Search Publications by: Kevin K F Wong (Fed)

Displaying 26 - 41 of 41

Dynamic Effects of Geometric Nonlinearity on Inelastic Frame Behavior for Seismic Applications

March 24, 2015

Author(s)

Kevin K. Wong, Matthew S. Speicher

The traditional method of structural analysis with geometric nonlinearity uses a small displacement theory with the linearized method of geometric stiffness or the approximate method of P-Δ stiffness to capture the reduction in stiffness due to axial

SEISMIC FRAGILITY AND COST ANALYSES OF ACTIVELY CONTROLLED STRUCTURES

April 15, 2013

Author(s)

Kevin K. Wong, John L. Harris

Seismic fragility represents the probability that the structural response exceeds a given performance limit state due to a specified intensity of ground motion, and it has a direct relationship with the cost of rehabilitating the structural system. In this

Seismic Damage and Fragility Analysis of Structures With Tuned Mass Dampers Based on Plastic Energy

April 2, 2012

Author(s)

Kevin K. Wong, John L. Harris

The effectiveness of using a tuned mass damper (TMD) to improve a structures ability to dissipate earthquake input energy is investigated through the use of seismic fragility curves. Nonlinear material behavior of the structure is captured using the Force

Nonlinear Modal Analysis of Structures with Rigid-End Offsets

March 31, 2012

Author(s)

Kevin K. Wong

The nonlinear modal analysis (NMA) methodology for analyzing moment-resisting framed structures is here extended to include frame elements with rigid-end offsets. Four keys components of the NMA methodology for conducting dynamic analysis of nonlinear

SEISMIC ENERGY ANALYSIS OF STRUCTURES WITH NONLINEAR FLUID VISCOUS DAMPERS  ALGORITHM AND NUMERICAL VERIFICATION

June 1, 2011

Author(s)

Kevin K. Wong

To protect structures from suffering significant damage during a major earthquake, fluid viscous dampers (FVDs) have been used in both newly constructed and seismically retrofitted structures to effectively reduce dynamic responses. The main benefit of

Nonlinear Dynamic Analysis of Structures Using Modal Superposition

April 13, 2011

Author(s)

Kevin K. Wong

A fast nonlinear dynamic analysis algorithm based on modal superposition of structural response incorporating both material and geometric nonlinearities is proposed. Because linear modal superposition has found great acceptances in performance-based

SEISMIC APPLICATIONS OF NONLINEAR RESPONSE SPECTRA BASED ON THE THEORY OF MODAL ANALYSIS

January 28, 2011

Author(s)

Kevin K. Wong

A fast nonlinear response spectra analysis algorithm based on the theory of modal analysis and superposition is proposed to overcome the drawbacks of using the time-consuming nonlinear response history analysis in seismic design. Because linear modal

NONLINEAR MODAL ANALYSIS AND SUPERPOSITION

July 25, 2010

Author(s)

Kevin K. Wong, John L. Harris

Linear modal analysis and superposition technique has been used extensively in earthquake engineering and seismic applications for decades, and it is here extended to the nonlinear domain by representing the material nonlinearity using the force analogy