A5101554680- Topology Optimization in Engineering
- Manufacturing Process and Optimization
- Advanced Photocatalysis Techniques
- Advanced Measurement and Metrology Techniques
- Composite Structure Analysis and Optimization
- Perovskite Materials and Applications
- Covalent Organic Framework Applications
- Advanced machining processes and optimization
- Gas Sensing Nanomaterials and Sensors
- Engineering Education and Curriculum Development
- Advanced Surface Polishing Techniques
- Cellular and Composite Structures
- Geotechnical Engineering and Underground Structures
- Aeroelasticity and Vibration Control
- Advanced Multi-Objective Optimization Algorithms
- Thermal Analysis in Power Transmission
- Engineering Applied Research
- Adsorption and biosorption for pollutant removal
- Aluminum Alloys Composites Properties
- Electrical Fault Detection and Protection
- Graphene research and applications
- Grouting, Rheology, and Soil Mechanics
- TiO2 Photocatalysis and Solar Cells
- Graphene and Nanomaterials Applications
- Additive Manufacturing and 3D Printing Technologies
State Grid Corporation of China (China)
2024
Nanchang Hangkong University
2008-2023
Zhengzhou University
2018-2023
Xinjiang Petroleum Society
2021
University of Hong Kong
2008-2009
Modified g-C3N4 samples (g-X, where X corresponds to the number of hours acid treatment melamine) with outstanding photocatalytic performance were prepared by using hydrochloric acid-treated melamine as a precursor and calcining at 550 °C for 2 h. An x-ray diffractometer, field-emission scanning electron microscope, infrared spectrometer, N2 adsorption-desorption test, photoelectron spectroscopy, ultraviolet-visible diffuse-reflectance spectroscopy analysis carried out characterize phase...
The mechanical behavior and progressive damage mechanism of novel aluminum matrix composites reinforced with 3D angle-interlock woven carbon fibers were investigated using a multiscale modeling approach. properties failure yarns evaluated microscale model under different loading scenarios. On this basis, mesoscale was developed to analyze the tensile composites. interfacial decohesion, damage, incorporated into microscopic mesoscopic models. stress–strain curves fracture modes from...
In a machining process, since the geometric accuracy of manufacturing workpiece mainly relies on relative position to tool, fixtures are needed locate workpiece. The clear concept locating correctness is presented based Venn diagram and general algorithm proposed determine locator number layout. On one hand, theoretical practical constrained DOFs formulated as function requirement scheme, respectively. other some criteria concluded analyse modify scheme with incorrectness.
In this paper, a topology optimization approach for the design of laminated composite structures under harmonic force excitations is proposed. A novel method developed to calculate response laminates, which consists two steps: firstly, based on strain energy approach, damping matrix model laminates established with proportional assumption; then, displacement calculated by mode acceleration The objective minimize amplitude at concerning point an excitation frequency or band. An extended...
This paper investigates the topology optimization of thermo-elastic structure for maximizing thestructure stiffness with volume constraint and uniform temperature distribution. Firstly, theinfluence both thermal loading mechanical on optimal design is studied.Secondly, Comparison effect eliminating intermediate density between power lawSIMP (Solid Isotropic Material Penalization) RAMP (Rational Approximation ofMaterial Properties) made. The difficulties non-monotonous behavior complianceand...
The aviation manufacturing industry is a key area for innovation-driven development. In order to adapt the new requirements talents put forward by transformation and upgrading of industry, Nanchang Hangkong University AVIC Hongdu Group continue explore practice talent training channels urgently needed tooling design positions. university enterprise jointly built an model based on “practical ability-oriented industry-education integration.” effective method formed from four aspects:...
In this paper, numerical study is performed to reveal the influences of cell size on steady state thermal performance hexagonal metallic honeycomb sandwich panel, by using semi-empirical Swann and Pittman formula Finite Element Method (FEM), respectively. Based same material volume core, two types i.e., variation core with a constant height side length cell, are considered establish panel's analysis model, which including conduction radiation coupling. Comparisons between temperature...
Mechanical manufacturing technology is a compulsory subject of mechanical engineering specialty and one important processional fundamental course. Therefore, the course reformation significant in entire higher education process so that new training plan can successfully carried out to train high quality talent. A novel construction content are proposed from easy difficult. On other hand, analogy teaching method as well guide created attract students' attention technology. The strategies for...
Composite lattice ring structures are known for their lightweight and high efficiency, which have a strong attraction in the aeronautical aerospace industries. The general manufacturing process such is to use wet filament winding technology. Due anisotropic properties of continuous fibers, trajectory determines mechanical composite structures. In this work, topology optimization method proposed generate efficient trajectory, follows load transfer path part can offer higher strengths. To...
After being located on a machine bed or fixture, workpiece will be actuated by gravity, cutting and inertia force during the machining operation. In order to keep locating precision as well production safety, it is necessary maintain stability entire process. However, insufficient clamping forces cannot prevent from translation rotations whereas excessive may cause strongly improper deformations. Therefore, analysis characterization of are important in fixture design task. This paper...
Whether in traditional machining fields or modern flexible manufacturing systems, the workpiece-holding is first issue of operation to be confronted. To ensure accuracy specific dimensions, it necessary correctly determine position workpiece related cutting tool and immobilize this correct during entire operation. In paper, a new dimension-based fixture design approach developed for time partitioned into two main parts study. Firstly, based on velocity composition law particle movement,...
Abstract The landform of the buried long-distance pipeline is complex and variable, especially in case mountainous areas, forces acting on not uniform. We make a calculation how gravity fluid affects stress bend connected to front end pipeline, an analysis parameters soil stress. with method elastic bending method, diameter, thickness angle slope affect result calculation.
This study presents a Sequential quadratic Response Surface Method(SRSM) using inherited Uniform Design(UD), to reduce the computational burden in optimization process and improve efficiency of engineering optimization.The program comprises low accuracy global response surface modeling precision increasing sequential modeling, which were consturcted by 1.5 1 times saturated sampling points, respectively.The initial sub-region is determined surface, according optimum point sample set.A new...
The metal cutting is a complexly dynamic physical process of thermal-mechanical coupling. It difficult in analyzing the mechanism machining deformation with traditional calculation method. key simulation technologies are analyzed by means finite element method (FEM), such as material constitutive model, chip separation criterion, tool-chip interaction and friction thermal control equation. During peripheral milling thin-walled workpiece, contact constraints between tool workpiece can be...