Abstract

An incline-loaded finite aluminum plate containing two different size colinear round holes is stress analyzed from associated thermal data. The neighboring holes, which are aligned with the width of the plate, are sufficiently close together than their stress fields interact. While results are supported here by those from finite elements and strain gages, a motivation for the presented approach is for where finite element methods are impracticable, e.g., when loads are unreliable or unavailable. Representative of situations when applied loads are not well known, the present finite element results, while acceptable, are not as reliable as those from strain gages. The present methodology is applicable to other geometries or loading as well as to members fabricated from non-isotropic materials. The technique can provide stress concentrations in finite perforated geometries for varying distance between holes. This ability was previously limited to infinite members.

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