93 Result(s)
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Article
Ji** Ma
Engineering
Characterization and Evaluation of Materials
Classical Mechanics
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Article
Influence of Cathode Materials on the Characteristics of Lithium-Ion Battery Gas Generation During Thermal Runaway
Gas generation of Lithium-ion batteries(LIB) during the process of thermal runaway (TR), is the key factor that causes battery fire and explosion. Thus, the TR experiments of two types of 18,650 LIB using LiFe...
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Analysis of a cracked harmonic substrate under a rigid punch
The study of the mechanical action between a punch and a cracked substrate has some theoretical guidance for the material protection. So the coupling problem of a cracked semi-infinite harmonic substrate under...
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Deep Fundamental Diagram Network for Fast Pedestrian Dynamics Estimation
How to effectively guide occupants to use different evacuation routes under fire situations is the key to improving fire safety and ensuring successful evacuation. Evacuation analysis for fire safety in survei...
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A Vision-Based Displacement Measurement Method of Wind Turbine Blades in Biaxial Fatigue Testing
This paper introduces a vision-based displacement measurement method for wind turbine blades in biaxial fatigue testing. Instead of relying on existing strain data, this method collects displacement data to co...
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Reconstruction of Metal Defect Images Based on the Sensitivity Matrix of High Conductivity Initial Estimate for Eddy Current Tomography
Eddy current testing is one of the conventional non-destructive testing (NDT) technologies which is widely used in metal defects detection. Defect imaging by eddy current tomography (ECT) has advantages of vis...
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A creep model for salt rock considering damage during creep
Understanding salt rock creep properties is important for designing and operating salt caverns. Triaxial multistage creep test of salt rock and acoustic emission (AE) monitoring were conducted, revealing the i...
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Dynamic modelling strategy of a shaft-disk-blade coupling system integrating beam and shell theories
Despite the remarkable success achieved in modelling the rotor-disk-blade coupling system, the existing research does not adequately consider both the structural flexibility and the rotating effects in the sha...
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Numerical Investigation and Design Suggestion on Patch-Loading Strength of Q690 High-Strength Steel Plate Girders at Elevated Temperature
The patch-loading resistance behaviors of Q690 high-strength steel (HSS) plate girders at elevated temperatures were investigated through a parametric study. The finite element (FE) simulation method was valid...
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A new radial basis function active learning method based on distance constraint for structural reliability analysis
Strongly nonlinear structural systems exhibit high computational errors when dependability is calculated using conventional approaches such as the primary second-order method of moments and the secondary secon...
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Time-dependent behavior of discontinuous biocomposites in soft tissues
Measurement of the strain rate sensitivity of viscoelastic properties is crucial for accurate predictions of the time-dependent behavior of discontinuous biocomposites in soft tissues. The aim of this study is...
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The effect of shrinkage-reducing agents on autogenous shrinkage and drying shrinkage of cement mortar with accelerator
Shotcrete technology is widely used in many fields, including municipal engineering, tunnel engineering and mine engineering. However, due to a large number of cementitious materials, the aggregate has a conti...
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Ultrasonic Water Immersion Nondestructive Testing for Nylon Bars Based on a Multi-Gaussian Beam Model
Nylon is a common engineering plastic that is easy to machine and can serve as a mechanical end-part. Ultrasonic testing is a highly efficient nondestructive testing method for the inspection of nylon material...
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Normal Magnetizing-Based Eddy Current Testing Method for Multidirectional Cracks on Steel Plate Surface Based on Permeability Perturbation
Conventional-magnetizing-based eddy current testing (CMB-ECT) typically applies a direct current (DC) tangential magnetization field parallel to the surface of the steel plate. The interaction between the tang...
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Polygonal multiresolution topology optimization of multi-material structures subjected to dynamic loads
Topology optimization of multi-material structures under dynamic loads is implemented to minimizing compliance on polygonal finite element meshes with multiple volume constraints. A multiresolution scheme is i...
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Microstructure distribution and orientation-structure topology optimization of metallic materials for laser additive manufacturing
The type and distribution of microstructure of metallic materials in laser additive manufacturing have an important influence on the overall mechanical properties, and how to control the location distribution ...
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Adaptive coupling peridynamic least-square minimization with finite element method for fracture analysis
This study presents an adaptive coupling peridynamic least-square minimization with the finite element method (PDLSM-FEM) for fracture analysis. The presented method utilizes the PDLSM modeling discontinuities...
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A statistical damage-based fractional creep model for Beishan granite
A better understanding of the creep behavior of Beishan granite is important to provide guidelines for the design and implementation of nuclear-waste repository facilities. Considering the effect of isotropic ...
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Interaction of dislocations and cracks in grains based on discrete dislocations
A interaction model between discrete dislocation emission and the grain boundary at the crack tip of microscale grain is described. When the dislocation emission condition is satisfied, dislocations will be em...
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Modeling the temperature-dependent Young’s modulus of short fiber reinforced metal matrix composites and its particle hybrid composites
Knowledge of the temperature-dependent Young’s modulus (TDYM) is fundamentally important for it is a key index to access the deformation-resisting ability over a wide temperature range. In this article, consid...
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A rigid body dynamics simulation enhanced representative volume element builder for CNT/Al composite
A novel representative volume element (RVE) builder is developed to solve the strong “framing effect” problem in previous RVE builders. Taking advantage of rigid body dynamics simulation, the new RVE builder c...
