2024

This manual presents solved verification models including NAFEMS problems.

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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.

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.

Test No. LE1 The model is a thin plate of thickness 0.1m subjected to a uniform pressure for linear static analysis. OptiStruct examines the direct stress ${\sigma}_{yy}$ at the point on inside the ellipse on the x-axis.

Test No. LE2 OptiStruct examines the outer surface tangential stress $\theta \text{}-\text{}\theta $ at point E for linear static analysis.

Test No. LE3 The model is a hemispherical shell subjected to concentrated radial loads at its free edges. It examines the performance of the three-dimensional shell to model local bending behavior under conditions where the deformations are primarily due to bending.

Test No. LE5 OptiStruct examines the axial (x-x) stress (compression) at mid-surface, point A for linear static analysis.

Test No. LE6 OptiStruct examines the maximum principal stress on the lower surface at the plate center point E for linear static analysis.

Test No. LE10 The model is a thick plate subjected to uniform normal pressure of 1 MPa on the upper surface of the plate. OptiStruct examines the direct stress ${\sigma}_{yy}$ at the point D for linear static analysis.

Test No. LE11 The model is a thick solid cylinder subjected to linear temperature gradient in the radial and axial direction. OptiStruct examines the direct stress ${\sigma}_{yy}$ at the point A inside the cylinder on the y axis for linear static analysis.

A test of influence of offset on buckling solution for shells, including composite with offset Z0 and element offset ZOFFS.

This problem examines the expansion of a pressure vessel due to an internal pressure.

This section provides quick responses to typical and frequently asked questions regarding OptiStruct.

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