Geometric model update of blisks and its experimental validation for a wide frequency range

T Maywald, T Backhaus… - … Expo: Power for …, 2017 - asmedigitalcollection.asme.org
The contribution discusses a model update procedure and its experimental validation in the
context of blisk mistuning. Object of investigation is an industrial test blisk of an axial …

Geometric mistuning identification and finite element model updating methods for bladed disks

D Liang, Z Jia, Z Cao, Y Wu, R Zhang, J Fan… - Aerospace Science and …, 2022 - Elsevier
Dynamic analysis results of a blisk are sensitive to inevitable geometrical mistuning, and the
high-fidelity finite element model (FEM) of real blisk is of paramount importance to accurately …

Predictive dynamic modeling and analysis of blisks through digital representations constructed upon precise geometry measurements

B Zhou, C Xie, G Battiato, TM Berruti - Mechanical Systems and Signal …, 2024 - Elsevier
Blade geometric variations generally have a significant impact on the structural dynamics of
integrally bladed disks widely used in the advanced aero-engines. This paper presents a …

Probabilistic Finite Element Analysis of Cooled High-Pressure Turbine Blades—Part A: Holistic Description of Manufacturing Variability

L Högner, M Voigt, R Mailach… - Journal of …, 2020 - asmedigitalcollection.asme.org
Modern high-pressure turbine (HPT) blade design stands out due to its high complexity
comprising three-dimensional blade features, multipassage cooling system (MPCS), and …

Investigation of vibration characteristics of titanium wide-chord fan blade

Z Wang, Y Chen, H Ouyang, A Wang - Journal of Vibration Engineering & …, 2020 - Springer
Introduction The vibration characteristics of a wide-chord fan blade affect the safety,
reliability, and operability of high-bypass ratio turbofan engines. Objectives In this study, the …

A two-objective design optimisation approach for blending repairs of damaged compressor blisks

R Berger, B Hofmeister, CG Gebhardt… - Aerospace Science and …, 2020 - Elsevier
The blending of compressor blades leads to a permanent modification of the blade
geometry. According to these geometric changes, the modal properties of refurbished …

Optimization of airfoil blend limits with as-manufactured geometry finite element models

JM Brown, AA Kaszynski… - … for Gas Turbines …, 2022 - asmedigitalcollection.asme.org
Conventional airfoil blend repair limits are established using nominal, design intent
geometry. This convention does not explicitly consider the inherent blade-to-blade structural …

Quantification of X-ray measurement uncertainty based on optical measurement data of turbine blades

L Högner, S Knebel, M Voigt… - … Expo: Power for …, 2017 - asmedigitalcollection.asme.org
Probabilistic design approaches taking geometric variation due to manufacturing scatter or
wear into account reflect a relevant part of today's design process in turbomachinery. This …

钛合金宽弦风扇叶片的振动特性

王仲林, 陈勇, 欧阳华, 王安正 - 航空动力学报, 2018 - jasp.com.cn
通过模态仿真和模态试验技术分别对某型号TC4 钛合金宽弦风扇叶片的振动特性进行研究.
采用ANSYS-APDL 软件对风扇叶片模型进行模态仿真分析. 根据风扇叶片的坎贝尔图以及不同 …

[PDF][PDF] Validation methods for 3D digitizing precision concerning jet engine blisks

T Backhaus, M Harding, S Schrape, M Voigt, R Mailach - 2017 - dglr.de
The demand for higher efficiency of jet engines requires new technologies within the design
and manufacturing processes. Since those methods influence the structural and …