Πλοήγηση ανά Συγγραφέα "Natsiavas, S."
-
Bayesian uncertainty quantification and propagation in nonlinear structural dynamics
Giagopoulos, D.; Papadioti, D. C.; Papadimitriou, C.; Natsiavas, S. (2013)A Bayesian uncertainty quantification and propagation (UQ&P) framework is presented for identifying nonlinear models of dynamic systems using vibration measurements of their components. The measurements are taken to be ... -
Bayesian uncertainty quantification and propagation in nonlinear structural dynamics
Giagopoulos, D.; Papadioti, D. C.; Papadimitriou, C.; Natsiavas, S. (2009)Nonlinear modelling and parametric identification of an experimental vehicle model, are employed in this paper. The composite structure of the vehicle model is split into a frame substructure and to four support substructures. ... -
Design optimization of quarter-car models with passive and semi-active suspensions under random road excitation
Verros, G.; Natsiavas, S.; Papadimitriou, C. (2005)A methodology is presented for optimizing the suspension damping and stiffness parameters of nonlinear quarter-car models subjected to random road excitation. The investigation starts with car models involving passive ... -
Fault detection and optimal sensor location in vehicle suspensions
Metallidis, P.; Verros, G.; Natsiavas, S.; Papadimitriou, C. (2003)A statistical system identification methodology is applied for performing parametric identification and fault detection studies in nonlinear vehicle systems. The vehicle nonlinearities arise due to the function of the ... -
Multi-objective optimization of quarter car models with passive and semi-active suspensions
Verros, G.; Kazantzis, M.; Natsiavas, S.; Papadimitriou, C. (2004)A methodology is presented for optimising the suspension damping and stiffness parameters of quarter car models, subjected to road excitation. First, models involving passive damping with constant or dual rate characteristics ... -
Nonlinear gear transmission system numerical dynamic analysis and experimental validation
Giagopoulos, D.; Papadimitriou, C.; Natsiavas, S. (2014)The main objective of the present work was to accurately predict the dynamic response of a gear transmission system. First, a nonlinear mathematical model is introduced. In this model, the housing of the gearbox is modeled ... -
Parametric identification and fault detection in vehicle models with nonlinear suspension
Metallidis, P.; Verros, G.; Natsiavas, S.; Papadimitriou, C. (2001)Systematic methodologies are applied for performing parametric identification and fault detection in nonlinear vehicle systems. The dynamic response of the vehicle models examined is caused by road excitation. In these ... -
Reliability-based optimal design of fluid filled tanks under seismic excitation
Theodosiou, C.; Aichouh, P.; Natsiavas, S.; Papadimitriou, C. (2003)This work integrates developments in simplified dynamic modeling of unanchored fluid-filled tanks, stochastic modeling of earthquake loading time histories, probabilistic structural analysis tools, cost analyses, and ... -
Variability of updated finite element models and their predictions consistent with vibration measurements
Papadimitriou, C.; Ntotsios, E.; Giagopoulos, D.; Natsiavas, S. (2012)A case study on a small-scale laboratory vehicle frame is used to investigate the variability of the updated finite element (FE) models that arises from model and measurement errors and demonstrate the effect of this ...