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RISA Note on Buckling of Spherical Caps With Initial Asymmetric Imperfections
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A formulation for spherical cap strain-displacement relations including initial imperfections is adopted which is based on Donnell-type nonlinear cylindrical shell theory. A series of runs was ...
An Assessment of Linear Spectral Analysis Method for Offshore Structures via Random Sea Simulation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: With random sea simulation, application of linear spectral analysis method to offshore structures with moderate drag force has been assessed. Findings indicate overprediction of response for short ...
Impedance Control on Redundant Manipulators With Zero-Potential-Energy Motions: Theory and Experimental Validation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This article presents an experimental study with theory to identify quantitatively the zero-potential-energy (ZP) motion in Cartesian impedance control of redundant manipulators, based on a new analytical methodology. This ...
Interior Stress for Axisymmetric Abrasive Indentation in the Free Abrasive Machining Process: Slicing Silicon Wafers With Modern Wiresaw
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In wiresaw manufacturing processes, such as those in slicing silicon wafers for electronics fabrication, abrasive slurry is carried by high-speed wire (5 to 15 m/s), which exerts normal load ...
A General Nonlinear Relaxation Iteration Technique for Solving Nonlinear Problems in Mechanics
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The nonlinear relaxation method, an iterative approach used in conjunction with finite-difference approximations, is illustrated via the solution to a very simple problem. Subsequently, the method ...
A Numerical Method and Higher Approximations for a Self-Acting, Gas-Lubricated Bearing of Finite Length
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A method for treating a self-acting, gas-lubricated journal bearing of finite length is presented, which is a compromise between the analytic solution and numerical results. Analytic solutions ...
A Theory of Self-Acting, Gas-Lubricated Bearings With Heat Transfer Through Surfaces
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Use is made of the continuity, Navier-Stokes, energy, and state equations to develop the differential equations for gas-lubrication problems. Heat transfer through the surfaces is allowed. The ...
Turbulent Flow in Two-Inlet Channels
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The problem of turbulent flows in two-inlet channels has been studied numerically by solving the Reynolds-averaged Navier-Stokes equations with the k–ε model in a mapped domain. Both the high ...
Asymmetric Buckling of Spherical Caps With Asymmetrical Imperfections
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The title problem has been solved using the nonlinear relaxation technique to treat the finite-difference representation of the differential equations governing cap response. For clamped spherical ...
A Model for Diffusion of Radioactive Debris in the Troposphere
Publisher: American Meteorological Society
Abstract: A theoretical model is constructed and tested for the analysis and prediction of radioactive concentration in the troposphere. It is found that turbulent motion near the jet core plays the major role in the transport of ...