Results 1 to 10 of about 56,839 (133)

Dynamic Model Updating for Bridge Structures Using the Kriging Model and PSO Algorithm Ensemble with Higher Vibration Modes [PDF]

Sensors, 2018
This study applied the kriging model and particle swarm optimization (PSO) algorithm for the dynamic model updating of bridge structures using the higher vibration modes under large-amplitude initial conditions.
Shiqiang Qin, Yazhou Zhang, Yun-Lai Zhou, Juntao Kang   +3 more
doaj   +2 more sources

Optimization of Ski Attitude for the In-Flight Aerodynamic Performance of Ski Jumping

Biology, 2022
The control and adjustment of in-flight attitudes are critical to enlarging the flight distance of ski jumping. As one of the most important gears, the skis provide sufficient lift and drag forces for the athletes, and thus their in-flight attitudes ...
Lianzhong Cao, Youcai Guo, Xiong Li, Long Chen, Xin Wang, Tianyu Zhao   +5 more
doaj   +1 more source

Methodology for Predicting the Structural Response of RPC-Filled Steel Tubular Columns under Blast Loading

Applied Sciences, 2022
Reactive powder concrete-filled steel tube (RPC-FST) is a critical supporting component of large-span, high-rise, and heavy-load structures. The collapse of RPC-FST may occur under explosive load.
Zhizhong Jiang, Qin Rong, Xiaomeng Hou, Zhonghui Zhao, Enyuan Yang   +4 more
doaj   +1 more source

Research on the Factors Weighting Method in the Site Selection of Civil Aircraft Spare Parts Support Network

Hangkong gongcheng jinzhan, 2022
The civil aircraft spare parts support network is a necessary medium for the main manufacturer to provide customers with aviation materials. The rationality of its construction is conducive to improving the service quality of the main manufacturer and ...
WEI Yanfeng, QIAO Linjun
doaj   +1 more source

Discrete optimization design for cabin-skeleton coupling structure of blended-wing-body underwater glider

Zhongguo Jianchuan Yanjiu, 2021
ObjectivesThe cabin-skeleton coupling structure of a blended-wing-body underwater glider is optimized using a data-driven discrete optimization concept.MethodsFirst, a Kriging-assisted discrete global optimization algorithm (KDGO) is proposed for ...
Huachao DONG, Peng WANG, Yijin ZHANG
doaj   +1 more source

LCF Lifetime Reliability Prediction of Turbine Blisks Using Marine Predators Algorithm-Based Kriging Method

Aerospace, 2023
To achieve the low-cycle fatigue (LCF) lifetime prediction and reliability estimation of turbine blisks, a Marine Predators Algorithm (MPA)-based Kriging (MPA-Kriging) method is developed by introducing the MPA into the Kriging model.
Gaiya Feng, Jiongran Wen, Chengwei Fei
doaj   +1 more source

An Improved High-Dimensional Kriging Surrogate Modeling Method through Principal Component Dimension Reduction

Mathematics, 2021
The Kriging surrogate model in complex simulation problems uses as few expensive objectives as possible to establish a global or local approximate interpolation.
Yaohui Li, Junjun Shi, Zhifeng Yin, Jingfang Shen, Yizhong Wu, Shuting Wang   +5 more
doaj   +1 more source

High-Accuracy Finite Element Model Updating a Framed Structure Based on Response Surface Method and Partition Modification

Aerospace, 2023
In this paper, a finite element model updating (FEMU) method is proposed based on the response surface model (RSM) and genetic algorithm (GA) to establish a high-precision finite element (FE) model of space station scientific experiment racks. First, the
Qingyu Zhu, Qingkai Han, Jinguo Liu, Changshuai Yu   +3 more
doaj   +1 more source

Kriging Model for Time-Dependent Reliability: Accuracy Measure and Efficient Time-Dependent Reliability Analysis Method

IEEE Access, 2020
As the performance function of a mechanical structure is usually based on time-consuming computer codes, predicting time-dependent reliability analysis requires a large number of costly simulations in engineering.
Yutao Yan, Jian Wang, Yibo Zhang, Zhili Sun   +3 more
doaj   +1 more source

Two-stage aerodynamic optimization method based on early termination of CFD convergence and variable-fidelity model

Xibei Gongye Daxue Xuebao, 2021
Efficient aerodynamic design optimization method is of great value for improving the aerodynamic performance of little UAV's airfoil. Using engineering or semi-engineering estimation method to analyze aerodynamic forces in solving aerodynamic ...

doaj   +1 more source