Finite element analysis of lead-free surface mount devices

Reliability of Lead-free High Temperature Surface Mount Component Attaches

Title of Document: RELIABILITY OF LEAD-FREE HIGH TEMPERATURE SURFACE MOUNT COMPONENT ATTACHES Timothy James Oberc, Master of Science, 2008 Directed By: Associate Professor F. Patrick McCluskey Department of Mechanical Engineering This work investigates the relative reliabilities of SAC305, eutectic Au-Sn, and Ag-In transient liquid phase sintered (TLPS) solder joints subjected to high temperatu...

Reflow Soldering Guidelines for Surface - Mount Devices

Free and Forced Transverse Vibration Analysis of Moderately Thick Orthotropic Plates Using Spectral Finite Element Method

In the present study, a spectral finite element method is developed for free and forced transverse vibration of Levy-type moderately thick rectangular orthotropic plates based on first-order shear deformation theory. Levy solution assumption was used to convert the two-dimensional problem into a one-dimensional problem. In the first step, the governing out-of-plane differential equations are tr...

Analysis of Strain Inhomogeneity in Vortex Extrusion using Finite Element Method and Response Surface Methodology

The effect of geometrical parameters involved in vortex extrusion (VE) die design, on AA1050 aluminium alloy processed by VE were investigated using finite element analysis (FEA) and response surface methodology (RSM). For this, VE die length (L), reduction in area (RA), twist angle , and position of control points in Beziers' formulation (C1) were considered as input parameters and strain inho...

Free and forced vibration analysis on finite element model of an off-road vehicle

In the present paper, the modal analysis on a full finite element model of an off-road vehicle. This vehicle was modeled in the CATIA software and then meshed in the HYPERMESH software. The free vibration analysis was conducted by the ABAQUS software. By applying an external displacement, the forced vibration analysis was also performed. As a result, natural frequencies and shape modes were ext...