Steps and Load Cases

The following table provides the supported Nastran data cards, their supported fields, and the 3DEXPERIENCE features created for them.


Nastran Card Category	Nastran Card (Supported Fields)	Notes	3DEXPERIENCE Feature
Case Control	METHOD (n)	Used to activate frequency step creation.	No 3DEXPERIENCE feature.
Case Control	SUBCASE (n)	For more information, see the table below.	Load case (for SOL 101) Frequency step-2 (for SOL 103)
Bulk Data	EIGRL (SID, V1, V2, ND, SHFSCL)	—	Frequency Step


Nastran BDF content	3DEXPERIENCE Feature
SOL 103 METHOD (global)	Analysis case. Frequency step
SOL 103 METHOD SUBCASE 1 SPC 5 LOAD 6	Analysis case. Frequency step-1 Restraints (Corresponding to SPC 5) Loads are ignored.
SOL 103 METHOD (global) SUBCASE 1 SPC 5 LOAD 6 SUBCASE 2 SPC 7 LOAD 8	Analysis case. Frequency step-1 Restraints (Corresponding to SPC 5) Loads are ignored. Frequency step-2 Restraints (Corresponding to SPC 7) Loads are ignored.
SOL 103 SUBCASE 1 SPC 5 LOAD METHOD SUBCASE 2 SPC 6 LOAD	Analysis case. Frequency step-1 Restraints (Corresponding to SPC 5) Loads are ignored. SUBCASE 2 is ignored since there is no METHOD card in the SUBCASE, and METHOD is not defined globally.