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Modeling of Advanced Combat Helmet Under Ballistic Impact
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The use of combat helmets has greatly reduced penetrating injuries and saved lives of many soldiers. However, behind helmet blunt trauma (BHBT) has emerged as a serious injury type experienced by soldiers in battlefields. ...
Analysis of Three-Dimensional Cutting Process Dynamics
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new experimental method for three-dimensional cutting analysis based on times series models and the Dynamic Data System methodology is introduced. Its theoretical formulation allows the treatment ...
Wave Characteristics of Two Dimensional Hierarchical Hexagonal Lattice Structures
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Hierarchical structures are structures that themselves contain structural elements. Hierarchical lattice structures are counterparts of the traditional lattice structures, whose walls are replaced by some kind of structure. ...
Automatic Undercut Feature Recognition for Side Core Design of Injection Molds
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: For any undercut region of a plastic molded part, a side core has to be designed to form the complex geometry while avoiding the interference between the injection mold and the plastic molded ...
Shear Modulus and Damping Ratio of Rubber-modified Asphalt Mixes and Unsaturated Subgrade Soils
Publisher: American Society of Civil Engineers
Abstract: This paper presents the results of an investigation into the potential application of rubber-modified asphalt in railroad trackbeds by measuring its shear modulus and damping ratio. The measurements of the shear modulus ...
Erosive Wear of Hydraulic Concrete with Low Steel Fiber Content
Publisher: American Society of Civil Engineers
Abstract: The paper reports on the erosion resistance of two types of hydraulic concrete, a plain concrete and a concrete reinforced with a low volume of steel fibers. Flow velocities ranged up to
Assessment of Bridge Expansion Joints Using Long-Term Displacement and Temperature Measurement
Publisher: American Society of Civil Engineers
Abstract: A procedure for assessment of bridge expansion joints making use of long-term monitoring data is presented in this paper. Based on the measurement data of expansion joint displacement and bridge temperature, the normal ...
Modeling of Temperature–Frequency Correlation Using Combined Principal Component Analysis and Support Vector Regression Technique
Publisher: American Society of Civil Engineers
Abstract: A good understanding of environmental effects on structural modal properties is essential for reliable performance of vibration-based damage diagnosis methods. In this paper, a method of combining principal component ...
Investigation of Turbulence Effects on Torsional Divergence of Long-Span Bridges by Using Dynamic Finite-Element Method
Publisher: American Society of Civil Engineers
Abstract: Aerostatic stability of super long-span bridges is a much concerned issue during the design stage. Typical aerostatic instability is the so-called torsional divergence which may lead to abrupt structural failure. The ...
Control of Human-Induced Vibrations of a Curved Cable-Stayed Bridge: Design, Implementation, and Field Validation
Publisher: American Society of Civil Engineers
Abstract: This article describes the research work relating to the assessment and control of human-induced vibration of an unusual curved cable-stayed bridge with separate road and pedestrian decks. Dynamic simulations of human-induced ...
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