HyperWorks Solvers

/IMPL/AUTOSPC

/IMPL/AUTOSPC

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/IMPL/AUTOSPC

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Engine Keyword

/IMPL/AUTOSPC - Constraining Automatically Zero Stiffness Degrees-of-Freedom

Description

A zero stiffness DOF will be constrained automatically.

Format

/IMPL/AUTOSPC/Keyword3

Data

Description

Keyword3

= ON (Default): Node will be constrained in translational or rotational DOF, only if zero stiffness is true in all directions.

= OFF: Deactivation flag

= ALL: Constrains any DOF of zero stiffness.

Comments

1./IMPL/AUTOSPC/ALL could lead to an over-constrained structure, especially for geometric nonlinear analysis, where using Quasi-static is the better choice.

See Also:

Implicit Finite Element Analysis