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PARAM, AUTOSPC

PARAM, AUTOSPC

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PARAM, AUTOSPC

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Parameter

Values

Description

AUTOSPC

<YES, NO>

Default = YES

If YES, the global stiffness matrix is checked for degrees-of-freedom (DOF) with no stiffness. If found, these DOF are automatically constrained.

If NO, the DOF with no stiffness are not automatically constrained.

Note:

1.PARAM, AUTOSPC is generally applicable only to grid points (with unconstrained DOF) attached to structural elements.
2.Rotational DOF of grid points that are connected only to solid elements are automatically constrained in the pre-processor and are not affected by PARAM, AUTOSPC.
3.Free grid points are also automatically constrained in the pre-processor and are not affected by PARAM, AUTOSPC.
4.The list of grids with degrees of freedom that were constrained by the second round of AUTOSPC is output to the .HM.comp.cmf file.