Reduced Order Model of Nonlinear Structures for Turbomachinery ...

Reduced-Order Models by Projection ... Such modes are computed around the prestressed position and thus depend on the rotation speed. Only the first linear normal ...

Reduced order model of nonlinear structures for turbomachinery ...

This work concerns the numerical modeling of geometric nonlinear vibrations of slender structures in rotation using an original reduced ...

The first part of this paper deals with the structural dynamics modeling and the construction of the nonlinear reduced-order model (ROM). Then ...

Reduced order model of nonlinear structures for turbomachinery ...

This work concerns the numerical modeling of geometric nonlinear vibrations of slender structures in rotation using an original reduced order model based on ...

Reduced order models for turbomachinery - Karen E. Willcox

A linear reduced-order aerodynamic model is developed for aeroelastic analysis of turbomachines. The basis vectors are constructed using a block Arnoldi method.

Reduced Order Model of Nonlinear Structures for Turbomachinery ...

Abstract This work concerns the numerical modeling of geometric nonlinear vibrations of slender structures in rotation using an original reduced order model ...

Reduced order models for nonlinear dynamic analysis of rotating ...

... model is named STEP with Correction ... Reduced order models for nonlinear dynamic analysis of rotating structures : Application to turbomachinery blades.

Nonlinear reduced-order modeling of the forced and autonomous ...

A nonlinear reduced-order model for a membrane wing at low Reynolds numbers is obtained by coupling a linear aerodynamic model with a nonlinear one-dimensional ...

Adaptive reduced-order modeling for non-linear fluid–structure ...

We present an adaptive reduced-order model for the efficient time-resolved simulation of fluid–structure interaction problems with complex and non-linear ...

REDUCED-ORDER AERODYNAMIC MODELS FOR AEROELASTIC ...

Aeroelasticity is concerned with the interaction between structural dynamics and aerodynamics. In the context of turbomachines, models must be developed which ...

A Review of Computational Methods and Reduced Order Models for ...

Finally, an insight is presented on model order reduction techniques applied to structure and aerodynamic calculations in turbomachinery flutter simulations, ...

Nonintrusive Nonlinear Reduced Order Models for Structures ... - MDPI

The focus of this investigation is on reduced order models (ROMs) of the nonlinear geometric response of structures that are built nonintrusively, i.e., ...

A higher-order parametric nonlinear reduced-order model for ...

We present an enhanced version of the parametric nonlinear reduced-order model for shape imperfections in structural dynamics we studied in a previous work.

Indirect reduced-order modelling: using nonlinear manifolds to ...

Nonlinear dynamic analysis of complex engineering structures modelled using commercial finite element (FE) software is computationally ...

Advanced Structural Analysis Based on Reduced-Order Modeling ...

From this perspective, application of the geometrically nonlinear structural analysis to the gas turbine blades is required for precise structural response ...

Non-intrusive reduced order modelling for the dynamics of ...

Non-intrusive methods have been used since two decades to derive reduced-order models for geometrically nonlinear structures, ...

Reduced Order Modeling Methods for Turbomachinery Design

The third research area develops non-nominal and nominal mode Component Mode Synthesis methods for reduced-order modeling of the geometric effects on rotor ...

Model order reduction and substructuring methods for nonlinear ...

This thesis presents nonlinear model order reduction techniques that aim to perform detailed dynamic analysis of multi-component structures with reduced ...

Nonlinear System Identification, Reduced Order Modeling, and ...

fully capture the linear and nonlinear effects of mechanical joints on the structural ... aerospace, automotive, heavy industrial equipment, turbo machinery and ...

Construction of efficient models for turbomachinery with cracks using ...

The linear reduced-order models (ROMs) can be efficiently constructed using ... A new method to approximate resonant frequency and amplitude for nonlinear ...