Mehrdad Aghagholizadeh

Mehrdad Aghagholizadeh
University of Southern California | USC · Department of Civil and Environmental Engineering

Doctor of Philosophy

About

17
Publications
11,359
Reads
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174
Citations
Additional affiliations
January 2019 - October 2020
Southern Methodist University
Position
  • Professor (Assistant)
August 2018 - December 2018
University of Central Florida
Position
  • Instructor
Description
  • Instructor for Mechanics of Materials course (EGN3331)
August 2015 - August 2018
University of Central Florida
Position
  • Graduate Teaching Assistant
Description
  • Instructing Structural Analysis Lab CES 4100
Education
January 2014 - December 2018
University of Central Florida
Field of study
  • Civil Engineering

Publications

Publications (17)
Chapter
Full-text available
In this paper, the most common methods of model updating are reviewed. Model updating techniques can be categorized into two general types of deterministic model updating methods and probabilistic methods. Here residual minimization, Bayesian model updating and error domain model falsification methods are presented and reviewed. Each methods featur...
Article
Full-text available
This paper investigates the dynamic response of an elastic single-degree-of-freedom oscillator coupled with a rocking wall. Both configurations of a stepping rocking wall and a pinned rocking wall that have been reported in the literature are examined. The full nonlinear equations of motions are derived, and the paper shows through a comprehensive...
Article
Full-text available
This paper investigates the inelastic response of a yielding single-degree-of-freedom oscillator coupled with a rocking wall. Configurations of both a stepping rocking wall and a pinned rocking wall that have been reported in the literature are examined. The full nonlinear equations of motions are derived, and the paper shows that a stepping wall s...
Article
Full-text available
This paper investigates the inelastic response of a yielding structure coupled with a vertically restrained rocking wall. The paper first derives the nonlinear equations of motion of a yielding oscillator coupled with a vertically restrained rocking wall, and the dependability of the one‐degree of freedom idealization is validated against the nonli...
Article
Full-text available
This paper investigated the nonlinear, rocking seismic response of slender, free-standing columns when equipped along their sides (or at their pivoting points) with vertical energy dissipation devices which offer either hysteretic or viscous (linear or nonlinear) dissipation. The paper derived the nonlinear equations of motion and then revisited th...
Article
Full-text available
Given that the coupling of a framing structure to a strong, rocking wall enforces a first‐mode response, this paper investigates the dynamic response of a yielding single‐degree‐of‐freedom oscillator coupled to a stepping rocking wall with supplemental damping (either hysteretic or linear viscous) along its sides. The full nonlinear equations of mo...
Conference Paper
Full-text available
This paper investigates the inelastic response of a yielding structure coupled with a damped rocking wall. The paper first derives the nonlinear equations of motion of a yielding oscillator coupled with a rocking wall when it is equipped with vertical energy dissipation devices, which offer either hysteretic or viscous damping. Then, the dependabil...
Article
Full-text available
This paper investigates finite-element modeling of a vertically damped free-standing rocking column. The paper first derives the nonlinear equation of motion for the coupled system and then compares the analytical solution with finite-element model. Finite-element model is being produced using open source framework named OpenSees. The rocking surfa...
Preprint
This paper investigates finite-element modeling of a vertically damped free-standing rocking column. The paper first derives the nonlinear equation of motion for the coupled system and then compares the analytical solution with finite-element model. Finite-element model is being produced using open source framework named OpenSees. The rocking surfa...
Preprint
A comparative analysis of two bridges constructed with the most commonly used girder types in Florida is carried out. The girder types that the bridges are employed for this study are AASHTO Type III (American Association of State Highway and Transportation Officials) and Florida I-Beam. Two bridges that have exactly the same specifications but wit...
Preprint
Full-text available
This paper investigates the inelastic response of a yielding structure coupled with a rocking wall which can be vertically restrained. The paper first derives the nonlinear equations of motion of a yielding oscillator coupled with a vertically restrained rocking wall and the dependability of the one-degree of freedom idealization is validated again...
Conference Paper
Full-text available
This paper investigates the inelastic response of a yielding structure coupled with a vertically restrained rocking wall. The paper first derives the nonlinear equations of motion of a yielding oscillator coupled with a vertically restrained rocking wall and the dependability of the one-degree of freedom idealization is validated against the nonlin...
Article
This paper studies the dynamics of an elastic single degree of freedom oscillator (representing an elastic frame) coupled with a rocking wall. Two types of rocking walls namely stepping rocking wall and pinned rocking wall are presented and analyzed. For each case, full nonlinear equations of motions are calculated. The dynamic behavior of the syst...
Article
Full-text available
Despite a significant progress in loading and design codes of seismic resistant structures and technology improvements in building structures, the field of civil engineering is still facing critical challenges. An example of those challenges is the assessment of the state of damage that has been imposed to a structure after earthquakes of different...
Chapter
Full-text available
In this paper, the most common methods of model updating are reviewed. Model updating techniques can be categorized into two general types of deterministic model updating methods and probabilistic methods. Here residual minimization, Bayesian model updating and error domain model falsification methods are presented and reviewed. Each methods featur...
Conference Paper
Full-text available
Assessment of imposed damage to a structure after earthquakes of different intensities is very important. Since a large number of buildings experience seismic loads in their lifetime, determining the usability of a building or a structure and its resistance to future earthquakes is crucial. This paper considers period elongation and calculates dama...

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