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Hamed Ebrahimian

Assistant Professor
Hamed Ebrahimian
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I believe in intuition and inspiration. Imagination is more important than knowledge. For knowledge is limited, whereas imagination embraces the entire world, stimulating progress, giving birth to evolution. It is, strictly speaking, a real factor in scientific research.
― Albert Einstein

Prospective graduate students

Professor Ebrahimian is recruiting for highly  motivated Ph.D. students and/or postdoctoral scholars. .

Research interests

  • System identification (linear/nonlinear) and uncertainty quantification
  • Structural health monitoring, diagnosis, and prognosis
  • Integration of computational models with sensory data / Digital Twins
  • Bayesian inference, Bayesian model updating and model inversion
  • Stochastic filtering and data assimilation
  • Risk assessment / decision making under uncertainty
  • Nonlinear computational solid and structural mechanics, nonlinear finite element response simulation
  • Nonlinear mechanics of reinforced concrete
  • Soil-structure interaction
  • Large/full-scale experimental studies
  • Multi-hazard analysis, design, and assessment of civil structures
  • Disaster resilience
  • Structural dynamics and earthquake engineering

Selected publications

  1. H. Ebrahimian, R. Astroza, J.P. Conte, and R.R. Bitmead, "An Information-theoretic Approach for Identifiability Assessment of Nonlinear Structural Finite Element Models," ASCE Journal of Engineering Mechanics, 145(7), 2019.
  2. R. Astroza, H. Ebrahimian, and J.P. Conte, "Performance Comparison of Kalman−Based Filters for Nonlinear Structural Finite Element Model Updating," Journal of Sound and Vibration, 438 (6), 2019, 520–542.
  3. H. Ebrahimian, M. Kohler, A. Massari, D. Asimaki, "Parametric Estimation of Dispersive Viscoelastic Layered Media with Application to Structural Health Monitoring," Soil Dynamics and Earthquake Engineering, 105, 2018, 204–223.
  4. H. Ebrahimian, R. Astroza, J.P. Conte, and C. Papadimitriou, "Bayesian Optimal Estimation for Output-only Nonlinear System and Damage Identification of Civil Structures," Structural Control and Health Monitoring, DOI: 10.1002/stc.2128, 2018.
  5. H. Ebrahimian, R. Astroza, J.P. Conte, and T.C. Hutchinson, "Pre-test Nonlinear Finite Element Simulation of Five-story Reinforced Concrete Building Tested on the UCSD-NEES Shake Table," ASCE Journal of Structural Engineering, 144(3), 2018.
  6. R. Astroza, H. Ebrahimian, Y. Li, J.P. Conte, "Bayesian Nonlinear Structural FE Model and Seismic Input Identification for Damage Assessment of Civil Structures," Mechanical Systems and Signal Processing, 93(1), 2017, 661–687.
  7. H. Ebrahimian, R. Astroza, J.P. Conte, and R.A. de Callafon, "Nonlinear Finite Element Model Updating for Damage Identification of Civil Structures using Batch Bayesian Estimation," Mechanical Systems and Signal Processing, 10.1016/j.ymssp.2016.02.002, 2016.
  8. R. Astroza, H. Ebrahimian, J.P. Conte, J.I. Restrepo, and T.C. Hutchinson, "Influence of the Construction Process and Nonstructural Components on the Modal Properties of a Five-Story Building," Earthquake Engineering and Structural Dynamics, 10.1002/eqe.2695, 2016.
  9. R. Astroza, H. Ebrahimian, J.P. Conte, J.I. Restrepo, and T.C. Hutchinson, "System Identification of a Full-Scale Five-Story Reinforced Concrete Building Tested on the NEES-UCSD Shake Table," Structural Control and Health Monitoring, 23(3), 2016, 535-559.
  10. H. Ebrahimian, R. Astroza, and J.P. Conte, "Extended Kalman Filter for Material Parameter Estimation in Nonlinear Structural Finite Element Models using Direct Differentiation Method," Earthquake Engineering and Structural Dynamics, 44(10), 2015, 1495-1522.
  11. R. Astroza, H. Ebrahimian, and J.P. Conte, "Material Parameter Identification in Distributed Plasticity FE Models of Frame-type Structures using Nonlinear Stochastic Filtering," ASCE Journal of Engineering Mechanics, 141(5), 2014, 04014149.
  12.  M.C. Chen, E. Pantoli, X. Wang, R. Astroza, H. Ebrahimian, T.C. Hutchinson, J.P. Conte, J.I. Restrepo, C. Marin, K. Walsh, R. Bachman, M. Hoehler, R. Englekirk, and M. Faghihi, "Full-scale Structural and Nonstructural Building System Performance During Earthquakes: Part I – Specimen Description, Test Protocol and Structural Response," Earthquake Spectra, DOI: 10.1193/012414EQS016M, 2015.
  13. E. Pantoli, M.C. Chen, X. Wang, R. Astroza, H. Ebrahimian, T.C. Hutchinson, J.P. Conte, J.I. Restrepo, C. Marin, K. Walsh, R. Bachman, M. Hoehler, R. Englekirk, and M. Faghihi, "Full-scale Structural and Nonstructural Building System Performance during Earthquakes: Part II – NCS Damage States," Earthquake Spectra, DOI: 10.1193/012414EQS017M, 2015.
  14. E. Pantoli, M.C. Chen, T.C. Hutchinson, R. Astroza, J.P. Conte, H. Ebrahimian, J.I. Restrepo, and X. Wang, "Landmark Dataset from the Building Nonstructural Components and Systems (BNCS) Project," Earthquake Spectra, DOI: 10.1193/100614EQS150, 2015.