2017
DOI: 10.14311/app.2017.13.0148
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Modal Analysis for Revision of a Fem Model of a Steel Truss Beam

Abstract: Abstract. The paper deals with a preparation of a complex FEM model for a local damage detection. The initial verified and validated three-dimensional FEM model of a steel truss bridge in laboratory is revised step-by-step to achieve the accurate model according to the experimental model. The emphasis is on modelling of the joints with 4 rivets and modelling of correct boundary conditions, as well as mass parameters and cross-section dimensions.A modal analysis of the structure is performed in FEM software. Ma… Show more

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