.k.op2 file
The .k.op2 file is a Nastran output2 format file containing the stiffness matrix.
File Creation
This file is created when PARAM, POST, -5 is present in the Bulk Data section.
File Contents
This file contains the stiffness matrix.
View new features for OptiStruct 2022.3.
OptiStruct is a proven, modern structural solver with comprehensive, accurate and scalable solutions for linear and nonlinear analyses across statics and dynamics, vibrations, acoustics, fatigue, heat transfer, and multiphysics disciplines.
Discover OptiStruct functionality with interactive tutorials.
This manual provides detailed information regarding the features, functionality, and simulation methods available in OptiStruct.
This manual provides a detailed list and usage information regarding input entries, output entries, and parameters available in OptiStruct.
List of output files.
The .#.#.#.dis file is a Patran 2.5 ASCII format results file.
The .#.#.dis file is a Patran 2.5 ASCII format results file.
The .#.#.dis.# file is a Patran 2.5 ASCII format results file
The .#.#.els file is a Patran 2.5 ASCII format results file.
The .#.#.fat file is an ASCII format result file.
The .#.dis file is a Patran 2.5 ASCII format results file.
The .#.dis.# file is a Patran 2.5 ASCII format results file.
The .#.eigv file is an OptiStruct binary data file.
The .#.els file is a Patran 2.5 ASCII format results file.
The .#.els.# file is a Patran 2.5 ASCII format results file.
The .#.grid file is an OptiStruct ASCII format results file.
The .#.h3d files are compressed binary files, containing model, analysis, and optimization result data. They can be used to post-process results in HyperView or when using the HyperView Player.
The .#.mass file is an ASCII format results file.
The .#.rnf is an OptiStruct ASCII format results file.
The .#.sens file is an OptiStruct ASCII format results file.
The .#.sh file is an OptiStruct ASCII format results file.
The .slk file is a Microsoft Excel SYLK Format results file.
The .amls_singularity.cmf file is a HyperMesh command file.
The .amses_singularity.cmf file is a HyperMesh command file.
The .bdst file is an OptiStruct ASCII format results file.
This file is an output file generated during an Acoustic Complex Eigenvalue Analysis.
An OptiStruct ASCII format results file.
The .contgap.fem file is an ASCII format file. It is used to visualize the internally created contact elements. The contact elements are presented as CGAPG elements.
The .cpr file is an OptiStruct ASCII format results file.
The .cstr file is an OptiStruct ASCII format results file.
The .dens file is an OptiStruct ASCII format results file.
The .desvar file is an ASCII format result file.
The .dis.# file is a Patran 2.5 ASCII format results file.
The .disp file is an OptiStruct ASCII format results file.
The .dvgrid file is an OptiStruct ASCII format results file.
The .echo file is an OptiStruct input file.
The .effmass file is an OptiStruct ASCII format results file.
The .els.# file is a Patran 2.5 ASCII format results file.
An OptiStruct XML format file.
An OptiStruct ASCII format results file containing the summary of aeroelastic flutter analysis.
The .force file is an OptiStruct ASCII format results file.
The .fsthick file is an OptiStruct ASCII format file.
An OptiStruct ASCII format results file.
The .gpf file is an OptiStruct ASCII format results file.
The .grid file is an OptiStruct ASCII format results file.
The .h3d file is a compressed binary file, containing both model and result data. It can be used to post-process results in HyperView or when using the HyperView Player.
A binary file, containing model and result data.
The .hgdata file is a HyperGraph ASCII results file.
The .hist file is an OptiStruct ASCII format results file.
The .HM.autospc.cmf file is a HyperMesh command file.
The .HM.comp.tcl file is a HyperMesh command file.
The .HM.conn.tcl file is a HyperMesh command file.
The .HM.crtelem.cmf file is a HyperMesh command file.
The .HM.elcheck.cmf file is a HyperMesh command file.
The .HM.elcheck_###.cmf file is a HyperMesh command file.
The .HM.ent.tcl file is a HyperMesh command file.
The .HM.gapstat.cmf file is a HyperMesh command file.
The .html file is a HyperText Markup Language file.
The .interface file is an ASCII format results file.
The .joint file is an ASCII format results file.
The .k.op2 file is a Nastran output2 format file containing the stiffness matrix.
An OptiStruct ASCII format results file.
The .load file is an OptiStruct ASCII format results file.
The .m.op2 file is a Nastran output2 format file containing the mass matrix.
The .mapdsp file is an OptiStruct ASCII format results file.
The .mass file is an OptiStruct ASCII format results file.
The .mgg file is an ASCII format results file.
The .mnf file is an ADAMS modal neutral file.
An OptiStruct ASCII format results file.
The .monpnt file is an OptiStruct ASCII format results file.
The .mpcf file is an OptiStruct ASCII format results file.
The .op2 file is a Nastran output2 format for model and results data.
The .oss file is an OSSmooth parameter file.
An ASCII format results file.
The .pch file is a Nastran punch format results file.
The .pcomp file is an ASCII format result file.
The .peak file is an ASCII format results file.
The .pret file is an OptiStruct ASCII format results file.
The .prop file is an OptiStruct ASCII format result file.
The .rand file is an OptiStruct ASCII format results file.
An OptiStruct ASCII format results file.
The .rengy file is an ASCII results file.
The .res file is a HyperMesh binary results file.
The .secres file is an OptiStruct ASCII format results file.
The .seplot file is an ASCII format output file.
The .sh file is an OptiStruct ASCII format results file.
The .spcd file is an OptiStruct ASCII format results file.
The .spcf file is an OptiStruct ASCII format results file.
The .stat file is an ASCII format results file.
The .strn file is an ASCII format results file.
The .strs file is an OptiStruct ASCII format results file.
An ASCII format results file which contains Bulk Data of loads from Aeroelastic Analysis results.
An ASCII format results file which contains Aeroelastic Analysis results.
The _bdst.mvw file is a HyperView session file.
A compressed binary file, containing both model and result data. It can be used to post-process results in HyperView or when using the HyperView Player.
The _e.nlm file is an OptiStruct ASCII format results file.
An ASCII format results file which can be used for monitoring energy output from nonlinear analysis.
The _energy.mvw file is a HyperGraph session file.
The _err.grid file is an OptiStruct ASCII format results file.
An OptiStruct ASCII format results file.
An OptiStruct ASCII format results file.
The _frames.html file is a HyperText Markup Language file.
The _freq.#.mvw file is a HyperView session file.
The _freq.mvw file is a HyperView session file.
A compressed binary file containing both model and result data. It can be used to post-process shell thickness (gauge) sensitivity in HyperView.
The _gso.slk file is a Microsoft SLK Data Import format results file.
The _hist.mvw file is a HyperView session file.
A compressed binary file, containing both model and result data. It can be used to post-process results in HyperView or when using the HyperView Player.
The _ld.monitor file is an OptiStruct ASCII format results file.
The _mass.#.mvw file is a HyperView session file.
The _mass.mvw file is a HyperView session file.
A compressed binary file containing both model and result data from a multibody dynamics analysis. It can be used to post-process results in HyperView.
The _mbd.log file is an ASCII format .log file from a multibody dynamics analysis.
The _mbd.mrf file is a Multibody Results File.
The _mbd.mvw file is a HyperView session file.
The _mbd.xml file is a MotionSolve .xml file from a multibody dynamics analysis.
The _menu.html file is a HyperText Markup Language file.
The _modal.#.mvw file is a HyperView session file.
The _modal.mvw file is a HyperView session file.
A compressed binary file, containing both model and result data. It is output when either NLMON Subcase/Bulk Entry pair or PARAM,NLMON is specified in the input file.
An ASCII format results file which can be used for monitoring and debugging of nonlinear analysis.
The _rand.mvw file is a HyperView session file.
The _s#.h3d file is a compressed binary file, containing both model and result data. It can be used to post-process results in HyperView or using the HyperView Player.
The _s#_a.#.frf file is an OptiStruct ASCII format results file.
The _s#_a.frf file is an OptiStruct ASCII format results file.
The _s#_a.mbd file is an OptiStruct ASCII format results file.
The _s#_a.trn file is an OptiStruct ASCII format results file.
The _s#_d.#.frf file is an OptiStruct ASCII format results file.
The _s#_d.frf file is an OptiStruct ASCII format results file.
The _s#_d.mbd file is an OptiStruct ASCII format results file.
The _s#_d.trn file is an OptiStruct ASCII format results file.
An OptiStruct ASCII format results file.
The _s#_v.#.frf file is an OptiStruct ASCII format results file.
The _s#_v.frf file is an OptiStruct ASCII format results file.
The _s#_v.mbd file is an OptiStruct ASCII format results file.
The _s#_v.trn file is an OptiStruct ASCII format results file.
The _sens.#.mvw file is a HyperView session file.
The _shuffling.#.fem file is an ASCII format file.
The _sizing.#.fem file is an ASCII format file.
The _sizing.#.inc file is an ASCII format file.
This is a binary file that contains time history output from Explicit Dynamic Analysis in Hierarchical Data Format, Version 5.
The _topol.h3d file is a compressed binary file containing both model and result data. It can be used to post-process topology (density) sensitivity in HyperView.
The _tran.mvw file is a HyperView session file.
The <BODY_NAME>.h3d file is a compressed binary file from a multibody dynamics analysis that uses flexible bodies defined through a PFBODY Bulk Data Entry.
The tables in this section summarize the results output for different analysis types. They show the formats available for each result and the I/O Option Entry that controls the output of the result.
The OptiStruct Example Guide is a collection of solved examples for various solution sequences and optimization types and provides you with examples of the real-world applications and capabilities of OptiStruct.
This manual presents solved verification models including NAFEMS problems.
This section provides quick responses to typical and frequently asked questions regarding OptiStruct.
This manual provides a detailed list and usage information regarding input entries, output entries, and parameters available in OptiStruct.
List of output files.
The .k.op2 file is a Nastran output2 format file containing the stiffness matrix.
The .k.op2 file is a Nastran output2 format file containing the stiffness matrix.
This file is created when PARAM, POST, -5 is present in the Bulk Data section.
This file contains the stiffness matrix.
© 2023 Altair Engineering, Inc. All Rights Reserved.
Intellectual Property Rights Notice | Technical Support | Cookie Consent