Inadequate beam stiffness can lead to large deflections, and may also cause high localised stresses and a danger of failure in that region. Introductionīeam stiffness is an important concept for many types of structure, particularly those with slender shapes. While a basic knowledge of mechanical deformation is assumed, this teaching and learning package covers all the fundamentals of beam mechanics. There are no specific prerequisites for this TLP, but it would be useful to be familiar with stress and strain, elastic strain and Plastic deformation, Young modulus, E and yield stress, σ Y. Be able to predict the effect of plastic deformation, at least with simple beam geometry.Be able to calculate the deflections of a beam on bending and the angle of twist of a bar under torsion.Be able to calculate the moments acting in a beam subject to bending or torsion.Be familiar with the concepts of the radius of curvature of a section of a beam (and its reciprocal, the curvature), second moment of area, polar moment of inertia, beam stiffness and torsional stiffness.Understand the stress distribution within beams subject to bending or torsion.On completion of this TLP package, you should:
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