Response Dynamics > Events

Required modes for each event type

This table lists the modes needed for each Response Dynamics event type, depending on the excitation type and data recovery method being used.

For this event type...	Using this data recovery method...	For this excitation type...	These modes are needed
Transient–or–Frequency	Mode displacement	Nodal force	Normal modes
Enforced motion	Normal modesConstraint modes Effective masses
Distributed load	Normal modesLoad distributions
Mode acceleration	Nodal force	Normal modesAttachment modes
Enforced motion	Normal modesConstraint modes Effective masses Equivalent attachment modes
Distributed load	Normal modesLoad distributions Distributed attachment modes
Random	Mode displacement	Nodal force	Normal modes
Enforced motion	Normal modesConstraint modes Effective masses
Distributed load	Normal modesLoad distributions
Response Spectrum	Mode displacement	Enforced motion	Normal modesConstraint modes Effective masses
DDAM	N/A	DDAM (requires enforced motion location)	Normal modesConstraint modes
Quasi-Static	N/A	N/A	Distributed attachment modes

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Required modes for each event type, Simcenter 3D 2021.1 Series

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