Jin Zeng, Yang Yang, Hui Ma, Yiren Yang, Chenguang Fan
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引用次数: 0
Abstract
Despite the remarkable success achieved in modelling the rotor-disk-blade coupling system, the existing research does not adequately consider both the structural flexibility and the rotating effects in the shaft, disk, and blade components. To bridge this gap, a dynamic modelling strategy has been developed for the shaft-disk-blade coupling system using an in-house code that integrates the Timoshenko beam and Mindlin-Reissner shell elements. In addition, two critical issues concerning the couplings of the shaft-disk and disk-blade are successfully addressed by using the penalty method in conjunction with the compatibility equation of deformation. Subsequently, the improved modelling strategies for the shaft-disk coupling system, with and without blade components, are verified by comparing their static/dynamic frequencies and modal shapes with those obtained from experiments and solid models in ANSYS. The results indicate that the beam-shell hybrid model exhibits good accuracy and high efficiency in simulating the dynamic characteristics of the shaft-disk coupling system with and without blades. The modal characteristics of the entire rotor system have a series of flexible vibration modes, including bending/torsion/axial mode for the shaft, pitch diameter/umbrella-type mode for the disk, and bending mode for the blade.
期刊介绍：
It is the objective of this journal to provide an effective medium for the dissemination of recent advances and original works in mechanics and materials'' engineering and their impact on the design process in an integrated, highly focused and coherent format. The goal is to enable mechanical, aeronautical, civil, automotive, biomedical, chemical and nuclear engineers, researchers and scientists to keep abreast of recent developments and exchange ideas on a number of topics relating to the use of mechanics and materials in design.
Analytical synopsis of contents:
The following non-exhaustive list is considered to be within the scope of the International Journal of Mechanics and Materials in Design:
Intelligent Design:
Nano-engineering and Nano-science in Design;
Smart Materials and Adaptive Structures in Design;
Mechanism(s) Design;
Design against Failure;
Design for Manufacturing;
Design of Ultralight Structures;
Design for a Clean Environment;
Impact and Crashworthiness;
Microelectronic Packaging Systems.
Advanced Materials in Design:
Newly Engineered Materials;
Smart Materials and Adaptive Structures;
Micromechanical Modelling of Composites;
Damage Characterisation of Advanced/Traditional Materials;
Alternative Use of Traditional Materials in Design;
Functionally Graded Materials;
Failure Analysis: Fatigue and Fracture;
Multiscale Modelling Concepts and Methodology;
Interfaces, interfacial properties and characterisation.
Design Analysis and Optimisation:
Shape and Topology Optimisation;
Structural Optimisation;
Optimisation Algorithms in Design;
Nonlinear Mechanics in Design;
Novel Numerical Tools in Design;
Geometric Modelling and CAD Tools in Design;
FEM, BEM and Hybrid Methods;
Integrated Computer Aided Design;
Computational Failure Analysis;
Coupled Thermo-Electro-Mechanical Designs.
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