Hybrid simulation with improved operator-splitting integration using experimental tangent stiffness matrix estimation

M Ahmadizadeh, G Mosqueda - Journal of Structural Engineering, 2008 - ascelibrary.org
Improved numerical integration procedures are essential for the extension of hybrid
numerical and experimental simulation to large and complex structural systems. While …

A method for estimating specimen tangent stiffness for hybrid simulation

CC Hung, S El‐Tawil - Earthquake engineering & structural …, 2009 - Wiley Online Library
Researchers have long recognized the importance and potential benefits of utilizing the
tangent stiffness matrix of a test specimen in hybrid simulations employing implicit and …

Combined Implicit or Explicit Integration Steps for Hybrid Simulation

M Ahmadizadeh, G Mosqueda - Structural Engineering Research …, 2007 - ascelibrary.org
Explicit integration procedures have been widely adapted and applied to hybrid simulations
of the seismic response of structures due to their simplicity. However, these procedures are …

Iterative implicit integration procedure for hybrid simulation of large nonlinear structures

G Mosqueda, M Ahmadizadeh - Earthquake engineering & …, 2011 - Wiley Online Library
A fully implicit iterative integration procedure is presented for local and geographically
distributed hybrid simulation of the seismic response of complex structural systems with …

Online energy-based error indicator for the assessment of numerical and experimental errors in a hybrid simulation

M Ahmadizadeh, G Mosqueda - Engineering structures, 2009 - Elsevier
Hybrid simulation is an effective structural test technique combining the numerical simulation
of substructures with predictable behavior, and experimental testing of complex components …

An unconditionally stable algorithm with the capability of restraining the influence of actuator control errors in hybrid simulation

CC Hung, WM Yen, WT Lu - Engineering Structures, 2012 - Elsevier
A new non-iterative implicit algorithm for hybrid simulation, termed the Predictor–Alpha-
Corrector (PAC) method, is presented in this study. The PAC method uses the predicted …

Full operator algorithm for hybrid simulation

CC Hung, S El‐Tawil - Earthquake engineering & structural …, 2009 - Wiley Online Library
One of the weaknesses of the operator splitting method (OSM) is that its corrector step
employs the approximation that incremental forces are linearly related to the tested …

Combined implicit or explicit integration steps for hybrid simulation

G Mosqueda, M Ahmadizadeh - Earthquake engineering & …, 2007 - Wiley Online Library
Explicit integration procedures have been widely adapted and applied to hybrid simulations
of the seismic response of structures due to their simplicity. However, these procedures are …

Efficiency analysis of numerical integrations for finite element substructure in real-time hybrid simulation

J Wang, L Lu, F Zhu - Earthquake Engineering and Engineering Vibration, 2018 - Springer
Finite element (FE) is a powerful tool and has been applied by investigators to real-time
hybrid simulations (RTHSs). This study focuses on the computational efficiency, including …

Hybrid simulation of steel frame structures with sectional model updating

B Wu, Y Chen, G Xu, Z Mei, T Pan… - … Engineering & Structural …, 2016 - Wiley Online Library
Hybrid simulations that combine numerical computations and physical experiment represent
an effective method of evaluating the dynamic response of structures. However, it is …