Structural mechanics
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Structural engineering, Structural mechanics or Mechanics of structures is the computation of deformation (engineering), deformations, Deflection (engineering), deflections, and internal forces or stress (physics), stresses (''stress equivalents'') within structures, either for design or for performance evaluation of existing structures. It is one subset of structural analysis. Structural mechanics analysis needs input data such as structural loads, the List of structural elements, structure's geometric representation and support conditions, and the materials' properties. Output quantities may include support reactions, Stress (physics), stresses and Displacement (vector), displacements. Advanced structural mechanics may include the effects of stability and non-linear behaviors. Mechanics of structures is a field of study within applied mechanics that investigates the behavior of structures under mechanical loads, such as bending of a beam, buckling of a column, torsion of a shaft, deflection of a thin shell, and vibration of a bridge. There are three approaches to the analysis: the Energy principles in structural mechanics, energy methods, flexibility method or direct stiffness method which later developed into finite element method in structural mechanics, finite element method and the Plastic bending, plastic analysis approach.


Energy method

*Energy principles in structural mechanics


Flexibility method

*Flexibility method


Stiffness methods

*Direct stiffness method *Finite element method in structural mechanics


Plastic analysis approach

*Plastic bending, Plastic Analysis


Major topics

* Beam theory * Buckling * Earthquake engineering * Finite element method in structural mechanics * Plate theory, Plates and shells * Torsion (mechanics), Torsion * Trusses * Stiffening * Structural dynamics * Buckling, Structural instability {{DEFAULTSORT:Structural Mechanics Building engineering Structural engineering Solid mechanics Mechanics Earthquake engineering