Integrator Command

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This command is used to construct the Integrator object. The Integrator object determines the meaning of the terms in the system of equation object Ax=B.

The Integrator object is used for the following:

   * determine the predictive step for time t+dt
   * specify the tangent matrix and residual vector at any iteration
   * determine the corrective step based on the displacement increment dU

The type of integrator used in the analysis is dependent on whether it is a static analysis or transient analysis.

Static Integrators:

Transient Integrators: