2024
This manual provides a detailed list and usage information regarding input entries, output entries, and parameters available in OptiStruct.
View new features for OptiStruct 2024.
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.
The input file in OptiStruct is composed of three distinct sections.
The following guidelines apply to all entries in the I/O Options and Subcase Information sections.
The following guidelines apply to all entries in the Bulk Data Entry section.
The Data Selectors table is available in an Excel spreadsheet.
Supported types of optimization for various analysis sequences are outlined.
Descriptions for individual I/O Option Entries can be accessed by selecting from the links for each entry, listed below in groups according to their purpose and alphabetically on the I/O Options section page.
Descriptions for individual Subcase Information Entries can be accessed by selecting from the links for each entry, listed below in groups according to their purpose and alphabetically on the Subcase Information Section page.
Guidelines for using Bulk Data Entries are listed in Bulk Data Guidelines.
Alphabetical listing of the I/O Options Entries.
Alphabetical listing of the Subcase Information Entries.
Alphabetical listing of the Bulk Data Entries.
In order to prevent analyses from being carried out on badly discretized models, an element quality check is incorporated into the pre-processing phase.
In order to prevent analyses from being carried out on models with poor material definitions, a material property check is incorporated into the pre-processing phase. The material property check is controlled by the CHECKMAT parameter (see the PARAM input format).
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.
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