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Direct-integration time-history analysis is a nonlinear, dynamic analysis method in which the equilibrium equations of motion are fully integrated as a structure is subjected to dynamic loading. Analysis involves the integration of structural properties and behaviors at a series of time steps which are small relative to loading duration. The equation of motion under evaluation is given as follows:
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NOTE: Integration is performed at every time step of the input record, regardless of the output increment. |
See Also
- Mass and stiffness-proportional damping – Damping of stiff elements with inelastic softening
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