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Solving the Geometric Design Problem of Spatial 3R Robot Manipulators Using Polynomial Homotopy Continuation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, the geometric design problem of serial-link robot manipulators with three revolute (R) joints is solved using a polynomial homotopy continuation method. Three spatial positions and ...
Parametric Study of Heat Transfer in Injection Molding—Effect of Thermal Contact Resistance
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Thermal contact resistance (TCR) plays an important role in the heat transfer during injection molding. However, there is no consensus on the magnitude of TCR to be used in simulation as most ...
Transport Phenomena in Two-Phase Micro-Channel Heat Sinks
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The design and reliable operation of a two-phase micro-channel heat sink require a fundamental understanding of the complex transport phenomena associated with convective boiling in small, parallel ...
A Simulation-Based Correlation of the Density and Thermal Conductivity of Objects Produced by Laser Sintering of Polymer Powders
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Numerical simulation of the laser-induced formation of shapes from polymer powders is achieved using an extension of a previously developed model of nonisothermal powder sintering. The extended ...
Analysis of Core Buckling Defects in Sheet Metal Coil Processing
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The elastic stability of a wound coil comprising a central core and many layers of sheet metal is modeled and analyzed. A common failure mode resulting from unfavorable internal stresses—called ...
Spatial Discretization of Axially Moving Media Vibration Problems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Spatial discretization of axially moving media eigenvalue problems is examined from the perspectives of moving versus stationary system basis functions, configuration space versus state space form ...
Eigenvalue Estimation Using Linearly Dependent Eigenfunctions
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A technique is developed for estimating the eigenvalues of one problem using an expansion of linearly dependent eigenfunctions of another problem. Such an expansion cannot be used with Galerkin’s ...
Embedded Self-Sensing Piezoelectric Active Sensors for On-Line Structural Identification
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The benefits and limitations of using embedded piezoelectric active sensors for structural identification at ultrasonic frequency are highlighted. An analytical model based on structural vibration ...
Vibration Analysis of a Sensor-Integrated Ball Bearing
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents an analysis of the vibrational behavior of a deep groove ball bearing with a structurally integrated force sensor. The miniaturized force sensor, accommodated within a slot ...
Structural Acoustic Optimization of a Composite Cylindrical Shell Using FEM/BEM
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A finite element/boundary element design tool is used to perform a structural acoustic optimization on an eight-ply graphite epoxy cylindrical shell. The shell is subject to two external monopole ...