A New Data-Driven Design Method for Thin-Walled Vehicular Structures Under Crash Loading

2017 ◽  
Vol 5 (2) ◽  
pp. 188-193 ◽  
Author(s):  
Xianping Du ◽  
Feng Zhu ◽  
Clifford C. Chou
Keyword(s):  
Design Method ◽  
Data Driven ◽  
Thin Walled ◽  
Crash Loading

Design method of concrete filled thin-walled steel tube column-foundation connections

2021 ◽  
Vol 246 ◽  
pp. 113033
Author(s):  
Tianxiang Xu ◽  
Sumei Zhang ◽  
Jiepeng Liu ◽  
Xuanding Wang
Keyword(s):  
Design Method ◽  
Steel Tube ◽  
Column Foundation ◽  
Thin Walled

A Big Data Driven Design Method of Helicopter Health Management System

2021 ◽  
pp. 739-746
Author(s):  
Xiaoming Xie ◽  
Tengfei Zhang ◽  
Qingyu Zhu ◽  
Guigang Zhang
Keyword(s):  
Big Data ◽  
Management System ◽  
Health Management ◽  
Design Method ◽  
Data Driven

scholarly journals Study of Local and Distortional Stability of Thin-Walled Structures

2018 ◽  
Vol 149 ◽  
pp. 01089
Author(s):  
Mahi Imene ◽  
Djafour Naoual ◽  
Djafour Mustapha
Keyword(s):  
Design Method ◽  
Global Mode ◽  
Thin Walls ◽  
Thin Walled Structures ◽  
Post Buckling ◽  
Steel Sections ◽  
Resistance Curves ◽  
Thin Walled ◽  
The Stability ◽  
Hot Rolled

Thin-walled structures have an increasingly large and growing field of application in the engineering sector, the goal behind using this type of structure is efficiency in terms of resistance and cost, however the stability of its components (the thin walls) remains the first aspect of the behavior, and a primordial factor in the design process. The hot rolled sections are known by a consequent post-buckling reserve, cold-formed steel sections which are thin-walled elements also benefit, in this case, it seems essential to take into account the favorable effects of this reserve in to the verification procedure of the resistance with respect to the three modes of failures of this type of structure. The design method that takes into account this reserve of resistance is inevitably the effective width method. The direct strength method has been developed to improve the speed and efficiency of the design of thin-walled profiles. The latter mainly uses the buckling loads (for Local, Distortional and Global mode) obtained from a numerical analysis and the resistance curves calibrated experimentally to predict the ultimate load of the profile. Among those, the behavior of a set of Cshaped profiles (highly industrialized) is studied, this type of section is assumed to be very prone to modes of local and distortional instability. The outcome of this investigation revealed very relevant conclusions both scientifically and practically.

A data-driven design method of PID controller with noise filter

2017 ◽  
Vol 12 ◽  
pp. S74-S81 ◽  
Author(s):  
Masami Saeki ◽  
Koki Hinokimoto ◽  
Nobutaka Wada ◽  
Satoshi Satoh
Keyword(s):  
Pid Controller ◽  
Design Method ◽  
Data Driven ◽  
Noise Filter

An Experiential Optimization Design Method for Orthogonal Rib-Stiffened Thin Walled Cylindrical Shells under Axial Loading

2011 ◽  
Vol 110-116 ◽  
pp. 1773-1783
Author(s):  
Jia Mao ◽  
Yu Feng Chen ◽  
Wei Hua Zhang
Keyword(s):  
Optimization Design ◽  
Design Method ◽  
Mass Parameter ◽  
Cylindrical Shells ◽  
Reference Value ◽  
Buckling Load ◽  
Element Analysis ◽  
Buckling Loads ◽  
Load Optimization ◽  
Thin Walled

Parametric structural FEA (Finite Element Analysis) models of the orthogonal rib-stiffened thin walled cylindrical shells are established using APDL (ANSYS Parametric Design Language). An experiential optimization design method is then developed based on conclusions of series numerical analysis investigating the effects of parameters’ modification upon buckling loads and modes of the structure. The effects of single design parameter modification under both variational and fixed volume (mass) constraints upon the buckling loads and modes indicate that, only one design scheme is able to obtain maximum buckling load when deployment of the strengthening ribs and volume (mass) parameter were settled previously, and minimum mass would be obtained while this maximum buckling load equals to the required design load. Optimization calculations for aluminum alloy material and layered C/E (Carbon/Epoxy) composite material shells with three layering styles are implemented and discussed, and some useful conclusions are obtained. Method and approach developed in this paper provide certain reference value for the optimal design of such structures.

scholarly journals Energy absorption capability of thin-walled aluminium tubes under crash loading

2015 ◽  
Vol 9 ◽  
pp. 1734-1743 ◽  
Author(s):  
P. Khalili ◽  
◽  
F. Tarlochan ◽  
A.M.S. Hamouda ◽  
K. Al-Khalifa ◽  
...  
Keyword(s):  
Energy Absorption ◽  
Thin Walled ◽  
Crash Loading

A New Design Method for Axially Loaded Thin-Walled Cylindrical Shells Based on Elasto-Plastic Buckling Analysis

2019 ◽  
Author(s):  
Peng Jiao ◽  
Zhiping Chen ◽  
He Ma
Keyword(s):  
Design Method ◽  
Cylindrical Shells ◽  
Load Carrying Capacity ◽  
Test Results ◽  
Geometric Imperfections ◽  
Compression Load ◽  
Load Carrying ◽  
Weight Design ◽  
Thin Walled ◽  
Improved Design

Abstract In engineering, thin-walled cylindrical shells subjected to axial compression load are very sensitive to geometric imperfections and are prone to buckling. However, how to reasonably take into account the influence of geometric imperfections on the load carrying capacity of thin-walled cylindrical shells is always the bottleneck of light-weight design of these structures. In this paper, four perturbation load approach (4PLA) is adopted to consider the influence of geometric imperfections. By judging the potential buckling status of cylindrical shells, a new improved design method based on 4PLA for thin-walled cylindrical shells is proposed, in which the influence of radius-to-thickness ratio, length-to-radius ratio, Young’s modulus and material yield strength are systematically considered. Correspondingly, the buckling tests for two steel cylindrical shells with the same geometric and material parameters are conducted. Compared with the experimental results and other test results in open literatures, the superiority and safety of proposed method for the preliminary design of thin-walled cylindrical shells are validated.

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