Advances in Mechanical Engineering

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Stability evaluation of high-order splitting method for incompressible flow based on discontinuous velocity and continuous pressure
Advances in Mechanical Engineering - Tập 11 Số 10 - 2019
Liyang Xu, Xinhai Xu, Xiaoguang Ren, Yunrui Guo, Yongquan Feng, Xuejun Yang
In this work, we deal with high-order solver for incompressible flow based on velocity correction scheme with discontinuous Galerkin discretized velocity and standard continuous approximated pressure. Recently, small time step instabilities have been reported for pure discontinuous Galerkin method, in which both velocity and pressure are discretized by discontinuous Galerkin. It is intere...... hiện toàn bộ
Experimental study on combustion and emissions of a compression ignition engine fueled with gasoline
Advances in Mechanical Engineering - Tập 14 Số 7 - 2022
Yan Hu, Zhaoming Huang, Li Wang, Xiaodong Sun, Weiguo Chen
Gasoline compression ignition (GCI) is an effective way to achieve both high thermal efficiency and low emission. The combustion and emission performances of GCI and DCI (diesel compression ignition) were compared on a 2.0 L diesel engine equipped with Three-way catalyst-Lean NOx trap/Passive selective catalytic reduction (TWC-LNT/PSCR) aftertreatment system. In order to further clarify t...... hiện toàn bộ
Tổng quan về việc tích hợp các cấu trúc lưới gradient nhẹ trong các bộ phận sản xuất theo công nghệ đắp dần Dịch bởi AI
Advances in Mechanical Engineering - Tập 12 Số 6 - Trang 168781402091695 - 2020
Asliah Seharing, Abdul Hadi Azman, Shahrum Abdullah
Bài tổng quan này phân tích thiết kế, hành vi cơ học, khả năng sản xuất, và ứng dụng của các cấu trúc lưới gradient được sản xuất bằng công nghệ đắp dần kim loại. Bằng cách thay đổi các tham số thiết kế như kích thước ô, chiều dài thanh, và đường kính thanh của các ô đơn vị trong cấu trúc lưới, một thuộc tính gradient được hình thành để đạt được các mức độ chức năng khác nhau và tối ưu hóa...... hiện toàn bộ
#lattice structures #additive manufacturing #gradient properties #mechanical behavior #design optimization #metallic technology #design freedom #manufacturing constraints
Development of a lower limb rehabilitation exoskeleton based on real-time gait detection and gait tracking
Advances in Mechanical Engineering - Tập 8 Số 1 - 2016
Chao Zhang, Gangfeng Liu, Changle Li, Jie Zhao, Hongying Yu, Yanhe Zhu
Hemiplegia, apoplexia, or traffic accidents often lead to unilateral lower limb movement disorders. Traditional lower limb rehabilitation equipments usually execute walk training based on fixed gait trajectory; however, this type is unsuitable for unilateral lower limb disorders because they still have athletic ability and initiative walking intention on the healthy side. This article des...... hiện toàn bộ
Design and experimental research of an improved stick–slip type piezo-driven linear actuator
Advances in Mechanical Engineering - Tập 7 Số 9 - 2015
Jianping Li, Hongwei Zhao, Mingkun Shao, Xiaoqin Zhou, Zunqiang Fan
A piezo-driven linear actuator based on the improved stick–slip principle is developed in this article. With the help of two piezo-stacks and flexure hinges, the preload force can be changed, so the designed actuator can realize relatively large linear ranges and large output force. The designed actuator mainly consists of the mover, the stator, two piezo-stacks, an adjusting stage and th...... hiện toàn bộ
Learning motion primitives from demonstration
Advances in Mechanical Engineering - Tập 9 Số 12 - Trang 168781401773726 - 2017
Mingshan Chi, Yufeng Yao, Yaxin Liu, Yiqian Teng, Ming Zhong
Solution of time-fractional Cahn–Hilliard equation with reaction term using homotopy analysis method
Advances in Mechanical Engineering - Tập 9 Số 12 - Trang 168781401774077 - 2017
Neeraj Tripathi, S. Das, S. H. Ong, Hossein Jafari, Maysaa Al Qurashi
Humidification Technique Using New Modified MiniModule Membrane Contactors for Air Cooling
Advances in Mechanical Engineering - Tập 5 - 2013
Mohamed Ali, O. Zeitoun, Hany Al-Ansary, Abdullah Nuhait
An experimental study is conducted to cool the ambient air using a new humidification technique. A wind tunnel is built with a test section formed by four modified MiniModule membrane contactors. An ambient air passes over the membrane contactors (cross flow) while water pumps through the contactors. Air temperature and relative humidity are measured upstream and downstream of the membran...... hiện toàn bộ
Crashworthiness analysis and multi-objective optimization of a commercial vehicle frame: A mixed meta-modeling-based method
Advances in Mechanical Engineering - Tập 10 Số 5 - 2018
Tao Wang, Liangmo Wang, Chenzhi Wang, Xiaojun Zou
In this study, a mixed meta-modeling-based optimization method has been proposed and applied to a commercial vehicle for crashworthiness design subjected to the frontal crash. A full-scale finite element model of the commercial vehicle has been built and validated by a crash test. The front frame parts have been separated to build a sub-model for crashworthiness optimization. Sensitivity ...... hiện toàn bộ
A hybrid optimization approach to forecast automobile sales of China
Advances in Mechanical Engineering - Tập 9 Số 8 - Trang 168781401771942 - 2017
Junjie Gao, Yanan Xie, Gu Feng, Wei Xiao, Juanjuan Hu, Wenlong Yu
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