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RISAn Efficient Algorithm for Global Optimization in Redundant Manipulations
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A method is developed to resolve the redundancy of serial robotic manipulators. The main characteristics of this method are as follows: (a) The solution is conservative (unique); (b) It globally ...
Simulations of Crack Propagation in Porous Materials
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Failure propagation behavior of thermally sprayed coatings containing many random pores is investigated. The porous coatings are subjected to either external mechanical loads or residual stresses ...
Application of the Riccati Method to Rotor Dynamic Analysis of Long Shafts on a Flexible Foundation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A method is described for calculating critical speeds, unbalance response and damped natural frequencies of long rotors on a flexible foundation. The shaft and the foundation are calculated ...
Extended Kirchhoff Integral Formulations for Sound Radiation from Vibrating Cylinders in Motion
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents numerical results of sound radiation from vibrating cylinders in rectilinear motion at constant subsonic speeds by using the extended Kirchhoff integral formulations recently ...
Empirical Prediction of the Shear Layer Thickness in Lubricating Films
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A computational procedure has been presented by Wang and Seireg (1993) for the thermohydrodynamic analysis of fluid film bearings with the assumption of a central heat generation (shear) zone ...
Surface Smoothing Mechanism by Replication in Ironing Process
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The purpose of this paper is to clarify the surface smoothing process under contact states with a small relative slide between the tool and workpiece. An internal ironing apparatus was developed ...
A Consideration of Optimum Conditions for Surface Smoothing Based on Lubricating Mechanisms in Ironing Process
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The purpose of this paper is to clarify the mechanism of a smooth surface generation in the ironing process under contact states with a largely relative slide. In this case, the outflow ...
Statistical Damage Prognosis for In-Service Civil Structures against Hazards: Formulations and Applications
Publisher: American Society of Civil Engineers
Abstract: This paper proposes an expectation-maximization (EM) algorithm embedded statistical damage prognosis paradigm for in-service civil structures against natural hazards. Being within the scope of structural health monitoring, ...
The Fault in the Stress Analysis of Pseudo-Stress Function Method
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Although Peng Yafei and his co-workers discovered some faults with the pseudo-stress function method suggested by Y. S. Lee in 1987, the authors did not provide convincing arguments. We investigate ...
A Note on the Limit Definition of Concentrated Loads
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Based on Sternberg and Eubanks' limit definition of concentrated loads, an improved definition is proposed. The polar-symmetry example is given to show that the new definition is more ...