2021.1
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.
View new features for OptiStruct 2021.1.
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.
Required model files for the models you build.
A cantilever beam undergoing large deflections is conducted and compared with 2D shell and 3D solids elements here, using OptiStruct.
Three cantilever beams are analyzed.
Large displacement analysis of a dog-bone type tensile coupon with elastic-plastic material properties is demonstrated in this example.
Nonlinear Analysis with finite sliding contact between rack and pinion gears.
Behavior of hyperelastic material during loading and unloading phases. Typical examples include rubber mounts, boot seals, and rubber keyboard domes.
Modeled using solid and shell elements and when the solution is not converged, run diagnostics modeling errors using NLMON.
A uniform, homogeneous plate which is symmetric about horizontal axes in both geometry and loading, to find the maximum axial stress in the plate with a hole.
Nonlinear Static analysis involving contacts and pretensed bolts is demonstrated.
Convert an Abaqus model to OptiStruct using HyperMesh and SimLab.
This example problem is of a rack and pinion mechanism, and showcases the restart capability available in OptiStruct.
Demonstrates the use of 2D plate (shell) elements with large displacement analysis.
Snap-fit is a combination of two components namely mating and base part which form a mechanical attachment between them by means of locators, locks and enhancements. Nonlinear Static Analysis with large displacement theory is used to solve this example.
Demonstrates the effect of continuous sliding in Nonlinear Static (large displacement) Analysis.
Contact smoothing is useful to increase accuracy of the contact solution. An enforced displacement to push two concentric rings toward each other to engage the contact is used. The usage of NLOUT entry allows you to study the progression of SPC force over successive increments.
Demonstrate a revolute joint using JOINTG and MOTNJG. The JOINTG entry can be used for defining a variety of joints, including revolute, ball, universal, cardan, and so on. Motion on these joints can be applied using the MOTNJG entry.
The PCOMPLS entry can be used to define continuum shell composites using solid elements. Currently first order CHEXA and CPENTA solid elements are supported.
Demonstrates RBODY which is used in this nonlinear large displacement implicit analysis involving contacts using OptiStruct.
Demonstrates self-contact which is used in this nonlinear large displacement implicit analysis involving hyperelastic material and contacts using OptiStruct.
Preloaded or Prestressed Linear Analysis is any type of structural linear analysis performed on a structure under prior loading.
This example explains how to use the self-contact to simulate the spring compression.
This section presents optimized topology examples generated using OptiStruct. Each example uses a problem description, execution procedures, and results to demonstrate how OptiStruct is used as a design concept tool.
This section presents size (parameter) optimization examples solved using OptiStruct. Each example uses a problem description, execution procedures, and results to demonstrate how OptiStruct is used in size optimization.
This section presents shape optimization example problems, solved using OptiStruct. Each example uses a problem description, execution procedures and results to demonstrate how OptiStruct is used in shape optimization.
The examples in this section demonstrate how topography optimization generates both bead reinforcements in stamped plate structures and rib reinforcements for solid structures.
The examples in this section demonstrate how the Equivalent Static Load Method (ESLM) can be used for the optimization of flexible bodies in multibody systems.
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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