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This command is used to construct a VariableTimeStepDirectIntegrationAnalysis object.
analysis VariableTransient
This analysis object is constructed with the component objects previously created by the analyst. If none has been created, default objects are constructed and used:
Component Object |
Default object |
SolutionAlgorithm, TransientIntegrator (Arc-Length Control, Hilbert-Hughes-Taylor Method, integrator Command, Newmark Method) |
NewtonRaphson EquiSolnAlgo with a CTestNormUnbalance with a tolerance of 1e-6 and a maximum of 25 iterations |
PlainHandler ConstraintHandler |
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RCM DOF_Numberer |
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profiled symmetric positive definite LinearSOE and Linear Solver |
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Integrator |
Newmark TransientIntegrator with ?=0.5 and ?=0.25 |
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