Multi-fidelity analysis and uncertainty quantification of beam vibration using correction response surfaces

被引:6
|
作者
Iyappan, Praveen [1 ]
Ganguli, Ranjan [1 ]
机构
[1] Indian Inst Sci, Dept Aerosp Engn, Bangalore, Karnataka, India
来源
INTERNATIONAL JOURNAL FOR COMPUTATIONAL METHODS IN ENGINEERING SCIENCE & MECHANICS | 2020年 / 21卷 / 01期
关键词
Multi-fidelity; Finite element model; Correction response surface; High-fidelity; Low-fidelity; Uncertainty quantification; DESIGN; OPTIMIZATION;
D O I
10.1080/15502287.2020.1729898
中图分类号
O3 [力学];
学科分类号
08 ; 0801 ;
摘要
A multi-fidelity model for beam vibration is developed by coupling a low-fidelity Euler-Bernoulli beam finite element model with a high-fidelity Timoshenko beam finite element model. Natural frequencies are used as the response measure of the physical system. A second order response surface is created for the low-fidelity Euler-Bernoulli model using the face centered design. Correction response surfaces for multi-fidelity analysis are created by utilizing the high-fidelity finite element predictions and the low-fidelity finite element predictions. It is shown that the multi-fidelity model gives accurate results with high computational efficiency when compared to the high-fidelity finite element model.
引用
收藏
页码:26 / 42
页数:17
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