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RISGeneralized Solution for Mining Backfill Design
Publisher: American Society of Civil Engineers
Abstract: Underground backfill plays an important role in the mining industry, and is one of the key elements in the routine operation of many underground mines. Its main role is to improve ground stability and reduce ore dilution. ...
Mathematical Models for 3D Analysis of Rotary Steering BHA Under Small Deflection
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A new type of rotary steering stabilizer used in a common rotary bottom hole assembly (BHA) to control well path was developed. In order for design and use of this kind of BHA, mathematical ...
Evolution of Water Table and Pore-Water Pressure in Stopes with Submerged Hydraulic Fill
Publisher: American Society of Civil Engineers
Abstract: Hydraulic fill is often used to fill large underground voids created during mining operations. It is produced and distributed as a slurry at a pulp density (P) of 65–75% (solids content). Consequently, a substantial amount ...
A Highly Adjustable Base Isolator Utilizing Magnetorheological Elastomer: Experimental Testing and Modeling
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a recent research advance on the development of a novel adaptive seismic isolation system to be used in seismic protection of civil structures. A highly adjustable laminated magnetorheological elastomer ...
Envelope Surface Modeling and Tool Path Optimization for Five Axis Flank Milling Considering Cutter Runout
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Cutter runout is a common and inevitable phenomenon impacting the geometry accuracy in the milling process. However, most of the works on tool path planning neglect the cutter runout effect. In this paper, a new approach ...
Modeling Hydroionic Transport in Cement Based Porous Materials Under Drying Wetting Actions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper investigates the hydroionic transport processes at the near surface of cementbased porous materials under external dryingwetting (DW) actions. A basic multiphase model is retained and reviewed critically for ...
Center Manifold of Fractional Dynamical System
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Dimension reduction of dynamical system is a significant issue for technical applications, as regards both finite dimensional system and infinite dimensional systems emerging from either science or engineering. Center ...
Lyapunov–Schmidt Reduction for Fractional Differential Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Lyapunov–Schmidt reduction is one of the powerful and significant methods to simplify nonlinear ordinary differential systems (ODSs) with standard formulation. In this paper, we extend Lyapunov–Schmidt reduction to ...
Robust Stability and Stabilization of Fractional Order Systems Based on Uncertain Takagi Sugeno Fuzzy Model With the Fractional Order 1≤v < 2
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper addresses the problems of the robust stability and stabilization for fractional order systems based on the uncertain TakagiSugeno fuzzy model. A sufficient and necessary condition of asymptotical stability for ...
Entropy Evolution Characteristics Associated with the Development of the South Asian Monsoon
Publisher: American Meteorological Society
Abstract: he structure and evolution characteristics of atmospheric entropy production associated with the climatologic monsoon onset and evolution were investigated using the National Centers for Environmental Prediction (NCEP) ...