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Development in Optical Methods for Reliability Analysis in Electronic Packaging Applications
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The mechanical analysis of electronic packaging has significant impact on the system reliability of an electronic device, and, therefore, is critical in packaging design and manufacturing. The ...
Computational Isotropic-Workhardening Rate-Independent Elastoplasticity
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A novel formulation for elastoplasticity has been recently proposed by Liu and Hong. These authors have explored the internal symmetry of the constitutive model for perfect plasticity to ensure ...
Basic LOgical Bulk Shapes (BLOBs) for Finite Element Hexahedral Mesh Generation to Support Virtual Prototyping
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Manufacturability analysis of product design reduces the downstream problems of manufacturing. Such design approaches are referred to as Virtual Prototyping when performed on the computer. In the ...
An Analysis of a Pneumatic Servo System and Its Application to a Computer-Controlled Robot
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Pneumatic actuators are capable of providing high power output levels at a relatively low cost. In addition, they are clean, lightweight, and can be easily serviced. The difficulty of achieving ...
Process Induced Stresses of a Flip-Chip Packaging by Sequential Processing Modeling Technique
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, a nonlinear finite element framework was established for processing mechanics modeling of flip-chip packaging assemblies and relevant layered manufacturing. In particular, topological ...
Constitutive Modeling of Polymer Films From Viscoelasticity to Viscoplasticity
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A unified constitutive model for polymer films is proposed with viscoelastic characterization at small deformation and viscoplastic characterization at large deformation based on molecular chain ...
Real-Time Monitoring and Simulation of Thermal Deformation in Plastic Package
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Thermally-induced failure is a major reliability issue for electronic packaging. Due to the highly nonlinear behaviors and thermal mismatch of packaging materials, an electronic package exhibits ...
Forced Vibration of Flexible Body Systems: A Dynamic Stiffness Method
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Due to the development of high speed machinery, robots, and aerospace structures, the research of flexible body systems undergoing both gross motion and elastic deformation has seen increasing ...
A Similarity Method for Miniature Mobile Robots
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Taking advantage of a piezoelectric material to fabricate miniature mobile robots, this study presents a similarity method, fabrication process, and walking experiment method. A curved piezoelectric ...
A Repetitive Learning Method Based on Sliding Mode for Robot Control
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In order to make a robot precisely track desired periodic trajectories, this work proposes a sliding mode based repetitive learning control method, which incorporates characteristics of sliding ...