Apostolos Psaros Andriopoulos
Past Research Group members
Apostolos received his Ph.D. degree in 2019 from Columbia University under the supervision of Prof Kougioumtzoglou, where he was also a Post-Doctoral Researcher during 2019-2020.
Dissertation: Sparse representations and quadratic approximations in path integral techniques for stochastic response analysis of diverse systems/structures
Current Position: Director, GenAI Foundations, Fidelity Investments, USA
Publications
Sparse representations and compressive sampling for enhancing the computational efficiency of the Wiener path integral technique
Apostolos F. Psaros
Ioannis A. Kougioumtzoglou
Ioannis Petromichelakis
Stochastic response determination and optimization of a class of nonlinear electromechanical energy harvesters: A Wiener path integral approach
Ioannis Petromichelakis
Apostolos F. Psaros
Ioannis A. Kougioumtzoglou
Wiener path integral based response determination of nonlinear systems subject to non-white, non-Gaussian, and non-stationary stochastic excitation
Apostolos F. Psaros
Olga Brudastova
Giovanni Malara
Ioannis A. Kougioumtzoglou
Wiener path integrals and multi-dimensional global bases for non-stationary stochastic response determination of structural systems
Apostolos F. Psaros
Ioannis Petromichelakis
Ioannis A. Kougioumtzoglou
Stochastic response determination of nonlinear structural systems with singular diffusion matrices: A Wiener path integral variational formulation with constraints
Ioannis Petromichelakis
Apostolos F. Psaros
Ioannis A. Kougioumtzoglou
An exact closed-form solution for linear multi-degree-of-freedom systems under Gaussian white noise via the Wiener path integral technique
Apostolos F. Psaros
Ying Zhao
Ioannis A. Kougioumtzoglou
Functional series expansions and quadratic approximations for enhancing the accuracy of the Wiener path integral technique
Apostolos F. Psaros
Ioannis A. Kougioumtzoglou
Sparse representations and compressive sampling approaches in engineering mechanics: A review of theoretical concepts and diverse applications
Ioannis A. Kougioumtzoglou
Ioannis Petromichelakis
Apostolos F. Psaros
Stochastic response analysis and reliability-based design optimization of nonlinear electromechanical energy harvesters with fractional derivative elements
Ioannis Petromichelakis
Apostolos F. Psaros
Ioannis A. Kougioumtzoglou
Uncertainty quantification of nonlinear system stochastic response estimates based on the Wiener path integral technique: A Bayesian compressive sampling treatment
Maria I. Katsidoniotaki
Apostolos F. Psaros
Ioannis A. Kougioumtzoglou
A quadratic Wiener path integral approximation for stochastic response determination of multi-degree-of-freedom nonlinear systems
Ying Zhao
Apostolos F. Psaros
Ioannis Petromichelakis
Ioannis A. Kougioumtzoglou
A Wiener path integral formalism for treating nonlinear systems with non-Markovian response processes
Ilias G. Mavromatis
Apostolos F. Psaros
Ioannis A. Kougioumtzoglou
Path Integrals in Stochastic Engineering Dynamics
Ioannis A. Kougioumtzoglou
Apostolos F. Psaros
Pol D. Spanos
A quartic Wiener path integral approximation for stochastic response determination of nonlinear systems
Yuanjin Zhang
Apostolos F. Psaros
Ioannis A. Kougioumtzoglou