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The accurate prediction of the ultimate residual strength (URS) (including collapse, burst, and tensile strength) of worn casing is important in the design and safety assessment of casings for the oil and gas industry. Based on the true stress–strain constitutive relationship of P110 steel, this paper establishes a three-dimensional (3D) finite element model (FEM) to obtain the URS of worn casing...
This paper addresses failure detection in automated parts assembly, using the force signature captured during the contact phase of the assembly process. We use a supervised learning approach, specifically a Support Vector Machine (SVM), to distinguish between successful and failed assemblies. This paper describes our implementation and experimental results obtained with an electronic assembly application...
In this paper, the rattling induced failure modes in product drop test have been investigated by using the nonlinear dynamic finite element analysis tool, ABAQUS/Explicit, and demonstrated through examples. For the selected product level assembly system, it is found that the side drop in both directions and the top-down drop are critical drop orientations when one of the critical assemblies is selected...
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