CRITICAL STUDY OF STRESS CONCENTRATION AROUND DIFFERENT CUT-OUTS IN PERFORATED BEAM
Keywords:
rectangular cantilever beam, isotropic material, stress concentration factor, finite element analysis, von misses stresses, shape of cut-out.Abstract
Perforated beams i.e. steel and aluminum beams with cut-outs are extensively used in structural
application due to its aesthetics, versatility, economy and ease of use. The present research work is focused on Finite
Element Analysis of perforated beam. The prime objective is to study the impact of cut-out on stress concentration of
perforated beam. The beam with cut-outs are widely used in structural members. These cut-outs induces stress
concentration in beam. This work aims to analyse the static analysis of an isotropic rectangular beam with various
boundary conditions and load applications. This work is helpful in obtaining the results at the node points as well as
the entire surface of the rectangular beam. A Rectangular cantilever beam is considered with different shapes of cutouts such as, circular, elliptical, square, blunted square and triangular. The main objective of this study is to find out
the stress concentration in beam around various cut-outs. In this, finite element analysis has been carried out using
software ANSYS. In this study, four parameters are used as the shape of cut-out, the bluntness, the rotation of cut-out
and various thicknesses of beam (6, 8, 10mm). The study will be carried out for Steel & Aluminum beam. Finally,
comparison between the results of SCF obtained by ANSYS and analytically for a beam having single circular cut-out
gives maximum 1.71% difference.
For modelling, analysis tool Finite Element Analysis (FEA) software 16.0 is used.
