2023.1
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 2023.1.
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.
This section presents nonlinear small displacement analysis examples generated using OptiStruct. Each example uses a problem description, execution procedures, and results to demonstrate how OptiStruct is used.
This section presents nonlinear large displacement analysis examples generated using OptiStruct. Each example uses a problem description, execution procedures, and results to demonstrate how OptiStruct is used.
This section presents nonlinear transient analysis examples generated using OptiStruct. Each example uses a problem description, execution procedures, and results to demonstrate how OptiStruct is used.
This section presents normal modes analysis examples generated using OptiStruct. Each example uses a problem description, execution procedures, and results to demonstrate how OptiStruct is used.
This section presents complex eigenvalue analysis examples generated using OptiStruct. Each example uses a problem description, execution procedures, and results to demonstrate how OptiStruct is used.
This section presents thermal and heat transfer analysis examples generated using OptiStruct. Each example uses a problem description, execution procedures, and results to demonstrate how OptiStruct is used.
This section presents analysis technique examples generated using OptiStruct. Each example uses a problem description, execution procedures, and results to demonstrate how OptiStruct is used.
The two-dimensional Michell-truss is an optimal topology structure generated under bending.
The suspension bridge topology is an optimal structure generated under a distributed load. A fine mesh is generated to simulate the design space and loads are applied. The distributed load forms a single load case.
Demonstrates how OptiStruct creates optimized design concepts from a solid block of material.
The air conditioner bracket is an optimal topology structure generated under both linear static stiffness and modal frequency response. Shell elements are used to ensure that the bracket is manufacturable using a casting process.
Multi-Model Optimization can be used in applications that require optimizing parts of different sizes. This is accomplished by using the SCALE continuation line on linked DTPL and DSIZE entries in the models on which the scaled design is to be applied.
Multi-Model Optimization is demonstrated in this Excavator example using Topology optimization design variables that are linked between the two models.
Demonstrates Failsafe topology optimization of a 3D column, using OptiStruct.
Lattice optimization of a statically loaded cantilever beam is demonstrated.
Demonstrates the use of Stress Constraint in Topology Optimization on a control arm.
Demonstrates topology optimization of a V-bracket with RADOPT technique, using OptiStruct. RADOPT is Radioss optimization using OptiStruct. The equivalent static load method (ESLM) is used to perform the optimization run here.
A Reliability-based Topology Optimization (RBTO) of a 2D plate is demonstrated, using OptiStruct.
Topology optimization of an aluminum heat sink with fins is be performed. The design space is modeled using first order Tetra elements.
Topology optimization of a cylinder block with a bore will be performed. The cylinder block is modeled using first order solid (Hexa and Penta) elements.
Maximum bead width constraint is implemented to prevent the formation of large beads during topography optimization.
Demonstrates the usage of thermal compliance responses with Topology Optimization in OptiStruct.
Multi-Material Optimization (MMO) can be used in applications that require optimizing the parts of different materials. This method offers an initial concept-level look at material placement within the structure, where multiple materials can be evaluated.
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 section presents multiphysic examples generated using OptiStruct. Each example uses a problem description, execution procedures, and results to demonstrate how OptiStruct is used.
This section presents response spectrum examples generated using OptiStruct. Each example uses a problem description, execution procedures, and results to demonstrate how OptiStruct is used.
This section presents nonlinear explicit analysis examples generated using OptiStruct. Each example uses a problem description, execution procedures, and results to demonstrate how OptiStruct is used.
This section presents piezoelectric analysis examples generated using OptiStruct. Each example uses a problem description, execution procedures, and results to demonstrate how OptiStruct is used.
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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