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README
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Brief description of each alter delivered with the current version of MSC/NASTRAN. Click on the alter of interest below for more detailed description.
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alter1ga.v707
alter2ga.v707
alter9ga.v707
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Performs coupled load analysis.
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alter1ha.v707
alter2ha.v707
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Performs coupled load analysis using PARTS superelement.
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appenda.v707
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Appends eigenvalue solutions.
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autosupa.v707
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Inertia Relief Analysis Using an Automated Support.
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beigpa.v707
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Switch to Complex Solver in SOL 106 when Follower Force is Present in Buckling Analysis.
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checka.v707
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Performs rigid body checks, kinetic energy calculation, and modal effective
weight calculation.
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cmsefa.v707
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Calculates fraction of the strain energy in system modes which contributed by superelement component modes.
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cova.v707
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Computes the variance and standard deviation in response given the user-specified
variance in design variables.
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cygyroa.v707
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Adds gyroscopic terms to cyclic symmetry analyses.
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dbdela.v707
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Deletes datablocks generated by DBSTORE.
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ddama.v707
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Performs dynamic analysis of shipboard equipment using the dynamic design analysis
method.
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ddambma.v707
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Modified alter for performing dynamic analysis of shipboard equipment using the dynamic design analysis
method.
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delmodea.v707
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Allows the user to delete individual modes from the set of system (residual)
level modes.
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dmigtrna.v707
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Transforms the dmig matrix to the basic coordinate system.
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dmpfulla.v707
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Performs additional parallelism in SOLs 108,111, and 146.
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dtranra.v707
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Allows "NOAP" restarts in the Structured Solution Sequences (SOL 109).
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effmassa.v707
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Calculates modal effective mass and participation factors.
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evdsa.v707
evds200a.v707
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Compute eigenvector derivatives in design sensitivity analysis.
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fleigxa.v707
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Uses symmetric formulation in complex eigenvalue for fluid-structure analysis.
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genela.v707
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Calculates the forces resulting from a GENEL element in SOL 112.
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glforcea.v707
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Calculates superelement interface loads.
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gpftrna.v707
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Calculates grid point force output in a transient analysis.
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gridloca.v707
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Transforms the location of grid points to the basic coordinate
system.
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ir2a.v707
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Efficient processing of automatic inertia relief.
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irsa.v707
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Incorporates dynamic reduction using the Improved Reduced System (IRS) method.
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mce1a.v707
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Processes MPCs with large numbers of dependent dofs efficiently.
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mfreqea.v707
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Calculates the contribution of each mode to the strain energy of the solution.
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mica.v707
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Allows the use of initial conditions in a modal transient analysis.
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mm44a.v707
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Includes multiple mass configurations in a SOL 144 Run.
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mmecha.v707
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Identifies massless mechanism.
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modconta.v707
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Calculates the Modal Contribution in SOL 111 and 112.
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modedra.v707
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Allows eigenvector data recovery in a SOL 111, 112, and 146 run.
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modevala.v707
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Determines whether the modes obtained are capable of representing the solution
to a set of applied loadings.
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mtacca.v707
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Allows the use of modal transient analysis to solve for a structure which has
nonzero initial accelerations.
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mtranea.v707
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Calculates the contribution of each mode to the strain energy and kinetic energy
of the solution.
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mtranra.v707
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Allows "NOAP" restarts in the Structured Solution Sequences (SOL 112).
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nlgyroa.v707
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Adds gyroscopic terms to nonlinear analysis.
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norma.v707
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Normalizes the output eigenvectors to a maximum of 1.0.
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nosesubca.v707
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Replaces the Superelement Subcase ID with the Residual Subcase ID
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oloadcha.v707
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Transforms the OLOAD Resultant into a User-defined Coordinate Syste
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ortx7a.v707
ortx10a.v707
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Scales Complex Eigenvectors to Produce Unit Generalized Mass Matrix
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pchdispa.v707
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Creates DMIG entries containing the solution from a static run.
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postmaca.v707
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Computes the cross-orthogonality between test modes and modes of an MSC/NASTRAN
model.
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premaca.v707
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Computes the cross-orthogonality between modes of a full model and modes of
a reduced model.
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propa.v707
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Provides propeller aerodynamic coefficients and wing/nacelle aerodynamic
interference loads for aircraft flutter analysis.
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pstmac2a.v707
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Converts test modes to output2 format for post processing.
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qfromdb*.dat
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Sample Alter for Reading in Matrices from Database.
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rflaga.v707
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Alter for Using Lagrange Mulitplier in Enforced Motion.
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ridgyroa.v707
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Adds gyroscopic terms to dynamic analysis using the structured solution
sequences.
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rnormala.v707
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Calculates repeatable rigid body modes.
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sebloada.v707
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Calculates dynamic superelement interface loads.
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segyroa.v707
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Adds gyroscopic terms to superelement analysis.
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sekefa.v707
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Prints kinetic energy fractions for superelements for the system modes in SOL 103.
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solchka.v707 dcchka.v707
dfchka.v707 dtchka.v707
mfchka.v707 mcchka.v707
mochka.v707 mtchka.v707
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Perform load epsilon checks in dynamic analysis similar to the one used in
a static analysis.
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sorta.v707
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Sorts an Array.
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spc101a.v707
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Separates the spc forces defined by the user versus those constrained by
param,autospc.
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spdra.v707
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Provides efficient method for sparse data recovery in SOLs 111 and 112.
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statdiva.v707
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Prints and plots eigenvectors for aeroelastic static divergence.
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tempmata.v707
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Applies Temperature-dependent Material to Higher-order Solid Linear Elements in a Nonlinear Solution (SOL 106).
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trncompa.v707
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Calculates the ply-by-ply composite stresses and failure indices in a transient
dynamic solution.
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vma.v707
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Efficient method for calculating virtual mass.
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111_by_modea.v707
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Performs data recovery for individual modes in SOL 111.
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