# Explicit dynamic analysis

 An explicit dynamic analysis: is computationally efficient for the analysis of large models with relatively short dynamic response times and for the analysis of extremely discontinuous events or processes; allows for the definition of very general contact conditions (About contact interactions); uses a consistent, large-deformation theory—models can undergo large rotations and large deformation; can use a geometrically linear deformation theory—strains and rotations are assumed to be small (see Defining an analysis); can be used to perform an adiabatic stress analysis if inelastic dissipation is expected to generate heat in the material (see Adiabatic analysis); can be used to perform quasi-static analyses with complicated contact conditions; and allows for either automatic or fixed time incrementation to be used—by default, Abaqus/Explicit uses automatic time incrementation with the global time estimator. The following topics are discussed:
 Related Topics Defining an analysis In Other Guides *DYNAMIC Configuring a dynamic, explicit procedure

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