Cheng He
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View article: New 2D roughness parameters with geometric and physical meanings for rock joints and their correlation with joint roughness coefficient
New 2D roughness parameters with geometric and physical meanings for rock joints and their correlation with joint roughness coefficient Open
Determining the joint roughness accurately will better serve the peak shear strength estimation models of rock joints used for stability assessment of rock masses. Considering the defects of the existing quantitative characterization param…
View article: Automatic disassembly and recovery device for mobile phone circuit board CPU based on machine vision
Automatic disassembly and recovery device for mobile phone circuit board CPU based on machine vision Open
Aiming at the problem of dismantling and recycling the circuit boards of used mobile phones, A device based on machine vision to automatically disassemble and recycle the CPU on the mobile phone circuit board is proposed. The device is equ…
View article: Finite Element Analysis of Thermal Stress of GIS Shell in Sunlight Environment
Finite Element Analysis of Thermal Stress of GIS Shell in Sunlight Environment Open
In order to study the thermal stress of the GIS shell under normal internal pressure in the sunshine environment, First, the 24-hour temperature field on the surface of the GIS shell of a substation is detected for and the temperature chan…
View article: Reliability Analysis of Clamp Welding Defects Based on Finite Element Simulation
Reliability Analysis of Clamp Welding Defects Based on Finite Element Simulation Open
Cracking and failure of clamp is a common problem in the maintenance of power grid, which seriously threatens the safety of power grid electrical transmission. Therefore, based on the finite element analysis method, the static strength che…
View article: Study on the Wear of the UB Hanging Plate of the Ground Wire Suspension String Clamp in the Continuous Stable Wind Area
Study on the Wear of the UB Hanging Plate of the Ground Wire Suspension String Clamp in the Continuous Stable Wind Area Open
This study focuses on the common wear phenomena on the side of the UB hanging plate of the suspension string clamp in the continuous stable wind area. The force models of the suspension string considering the wind load in three wind speed …
View article: Research on Failure Mechanisms of Broken Strands of Jumper Wires for EHV Transmission Lines in Strong-Wind Areas
Research on Failure Mechanisms of Broken Strands of Jumper Wires for EHV Transmission Lines in Strong-Wind Areas Open
The jumper wires of an extra-high voltage (EHV) transmission line in strong-wind areas in Northwest China frequently break down. We installed some acquisition devices to collect the data of the jumper wires and wind speed in the fault area…
View article: Similarity Design Method of the Inflatable Buffer Landing System
Similarity Design Method of the Inflatable Buffer Landing System Open
The inflatable buffer landing system, such as the airbag, has been widely used for deep space exploration as a low-cost entry. The impact performance of an airbag landing attenuation system on Mars had to be proven through cushion testing …
View article: Numerical Simulation of Fluid-Structure Interaction of D-shape Iced Conductor
Numerical Simulation of Fluid-Structure Interaction of D-shape Iced Conductor Open
At present, the numerical simulation on the aerodynamic response and force of the iced conductor are mainly based on the quasi steady criterion, which ignored the interaction between the conductor and the flow field. This paper presents a …
View article: Study on communication channel estimation by improved SOMP based on distributed compressed sensing
Study on communication channel estimation by improved SOMP based on distributed compressed sensing Open
Wireless communication channel usually show the feature of time-varying; however, the time-varying channel has the characteristic that the channel structure within the adjacent time slots having serious time correlation. Therefore, how to …
View article: airbg model for"Similarity design method of the inflatable airbag impact attenuation system for deep space exploration"
airbg model for"Similarity design method of the inflatable airbag impact attenuation system for deep space exploration" Open
the simulation of model must in “MSC.Dytran” environment
View article: Geometrically nonlinear analysis for elastic beam using point interpolation meshless method
Geometrically nonlinear analysis for elastic beam using point interpolation meshless method Open
the data include abaqus model,*.fig,and *.mat which are created by matlab
View article: airbg model and figure for"Similarity design method of the inflatable airbag impact attenuation system for deep space exploration"
airbg model and figure for"Similarity design method of the inflatable airbag impact attenuation system for deep space exploration" Open
the simulation of model must in “MSC.Dytran” environment
View article: Geometrically Nonlinear Analysis for Elastic Beam Using Point Interpolation Meshless Method
Geometrically Nonlinear Analysis for Elastic Beam Using Point Interpolation Meshless Method Open
The intrinsic beam theory, as one of the exact beam formulas, is quite suitable to describe large deformation of the flexible curved beam and has been widely used in many engineering applications. Owing to the advantages of the intrinsic b…
View article: Free vibration solution of thick plate by using three-dimensional coupled thermoelastic theory
Free vibration solution of thick plate by using three-dimensional coupled thermoelastic theory Open
This paper reports on the free vibration solution of a thick plate by using three dimensional coupled thermoelastic theory. Many previously works reveal that the mechanical and thermal are coupled together, which mean that the deformation …