Indeterminate statics

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When a structure has more restraints than the available degrees of freedom, the structure is statically indeterminate. Solution must then taken into account the deformation and flexibility of the the structure. The two most commonly used methods to analyze statically indeterminate structures are flexibility method and direct stiffness method.

Flexibility Method

Direct Stiffness Method

External References

 

Home > Topics > Traditional Analysis Methods e
Fundamentals Traditional analysis methods  · Section properties  · Mohr's Circle  · Interaction diagram
Theory Elasticity equations
Forces and Stresses Torsion  · Flexure  · Shear  · Principal stress
Basic Statics Beam equations  · Moment area method  · Vereschagin's rule  · Stiffness matrix  · Fixed end moments  · Determinate statics  · Indeterminate statics  · Maxwell's theorem of reciprocal displacements  · Betti's law
Influence lines  · Muller-Breslau principle
Basic Dynamics Damping  · Mass matrix  · Damping matrix
Energy Methods External work and strain energy  · Principle of work and energy  · Virtual work method  · Unit load method  · Castigliano's Theorem
Approximate Methods Moment distribution method
Graphical Cremona Diagram

See Also Computational analysis methods
Related Categories Traditional Analysis Methods
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