The ACTIVATE command activates a statement that was previously turned off by the DEACTIVATE command.
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Lists up to 30 statement identifiers for statements that Adams/Solver (C++) activates. You may use the ID argument in conjunction with the RANGE argument.
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Indicates that Adams/Solver (C++) is to display a list of all the existing elements of the specified type, along with their current activity status.
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Defines a range of statement identifiers for statements that Adams/Solver (C++) is to activate. Adams/Solver (C++) activates all statements with identifiers that are numerically between the given identifiers, inclusively. The range may contain unused identifiers. You may use the RANGE argument in conjunction with the ID argument.
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The ACTIVATE command, used in conjunction with the DEACTIVATE command, switches Adams/Solver (C++) elements on and off. All Adams/Solver (C++) elements are active by default in the input dataset, but can be deactivated using the DEACTIVATE command. For simulation purposes, when Adams/Solver (C++) activates a statement, the statement appears as though it was always in the dataset. When Adams/Solver (C++) deactivates a statement, the statement effectively disappears from the model. Both the ACTIVATE and DEACTIVATE commands take effect when you issue the next SIMULATE command.
After the activation of any element, Adams/Solver (C++) reprocesses the model at the next SIMULATE command, as if it had just been read in from the dataset. During the reprocessing, Adams/Solver (C++) checks the entire model for consistency, reinitializes user subroutines, and recomputes initial conditions.
While checking the entire model, Adams/Solver (C++) verifies that the model is still valid when the newly activated elements are included. For example, if an activated JOINT overconstrains a model resulting in an immobile system, Adams/Solver (C++) issues an error message. Adams/Solver (C++) also reinitializes all user subroutines to re-establish functional dependencies. For each element that refers to a user-written subroutine, Adams/Solver (C++) calls the user-written subroutine with IFLAG set to true.
Prior to the actual simulation, Adams/Solver (C++) computes initial conditions for the model. If this is the first simulation, Adams/Solver (C++) begins with the positions and velocities specified in the dataset, and maintains any user-supplied joint initial-conditions and part positions specified as EXACT. If you ran a previous simulation, Adams/Solver (C++) begins with the final displacements and velocities. Adams/Solver (C++) then adjusts the initial conditions to ensure that they are consistent with the model constraints.
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Use the ACTIVATE and DEACTIVATE commands after a FILE or RELOAD command to set up the model for a particular loadcase or configuration.
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