| README | Brief description of each Alter delivered with the current version of MSC/NASTRAN. Click on the alter of interest below for more detailed description. | |
| appenda.alt | Appends eigenvalue solutions. | |
| cmsefa.alt | Calculates fraction of the strain energy in system modes which contributed by superelement component modes. | |
| cova.alt | Computes the variance and standard deviation in response given the user-specified variance in design variables. | |
| cygyroa.alt | Adds gyroscopic terms to cyclic symmetry analyses. | |
| dmigtrna.alt | Transforms the dmig matrix to the basic coordinate system. | |
| fstrsta.alt | Alter for the support of fast restart in SOLs 111 and 112. | |
| fsuma.alt | Alter for Including Preload in Frequency Response Analysis. | |
| genela.alt | Calculates the forces resulting from a GENEL element in SOL 112. | |
| glforcea.alt | Calculates superelement interface loads. | |
| gpftrna.alt | Calculates grid point force output in a transient analysis. | |
| gridloca.alt | Transforms the location of grid points to the basic coordinate system. | |
| irsa.alt | Incorporates dynamic reduction using the Improved Reduced System (IRS) method. | |
| k6esea.alt | Evalutes the Effects of K6ROT. | |
| modevala.alt | Determines whether the modes obtained are capable of representing the solution to a set of applied loadings. | |
| nlgyroa.alt | Adds gyroscopic terms to nonlinear analysis. | |
| norma.alt | Normalizes the output eigenvectors to a maximum of 1.0. | |
| nosesubca.alt | Replaces the Superelement Subcase ID with the Residual Subcase ID | |
| oloadcda.alt | Transforms the OLOAD Resultant into a User-defined Coordinate System | |
| ortx7a.alt ortx10a.alt |
Scales Complex Eigenvectors to Produce Unit Generalized Mass Matrix | |
| pchdispa.alt | Creates DMIG entries containing the solution from a static run. | |
| postmaca.alt | Computes the cross-orthogonality between test modes and modes of an MSC/NASTRAN model. | |
| premaca.alt | Computes the cross-orthogonality between modes of a full model and modes of a reduced model. | |
| propa.alt | Provides propeller aerodynamic coefficients and wing/nacelle aerodynamic interference loads for aircraft flutter analysis. | |
| pstmac2a.alt | Converts test modes to output2 format for post processing. | |
| rnormala.alt | Calculates repeatable rigid body modes. | |
| sebloada.alt | Calculates Superelement Boundary Loads in Dynamics | |
| spc101a.alt | Separates Spcforces into Different Categories. | |
| tempmata.alt | Applies Temperature-dependent Material to Higher-order Solid Linear Elements in a Nonlinear Solution (SOL 106). | |
| trncompa.alt | Calculates the ply-by-ply composite stresses and failure indices in a transient dynamic solution. | |
| vmchka.alt | Alter for Checking Virtual Mass Model. | |
| 111_by_modea.alt | Performs data recovery for individual modes in SOL 111. |