Resource Library

Ship Foundation Design using DDAM-coupled Optimization Methods

This paper presents a case study of a ship foundation optimized for DDAM early in the design phase to validate and optimize the
structural integrity of a ship foundation subject to underwater shock conditions.

Technical Papers

InnAccel Leverages Altair OptiStruct for Validating Fetal Monitoring System

A . Vijayrajan Founder and Chief Technical Officer, InnAccel talks of how simulation brings design differentiation in the medical device industry. His team speaks of the use of Altair OptiStruct non-linear solution for designing snap fit of the d...

Customer Testimonials

eBook: Learn Thermal Analysis with Altair OptiStruct

Examples in the eBook – Learn Thermal Analysis with Altair OptiStruct


Fast Forward Your Nonlinear Analysis with OptiStruct

Simulate the effects of large displacements, material nonlinearity and advanced contacts with Altair OptiStruct™.

OptiStruct is the industry standard for the optimization of topology, composites, mechanisms and additive manufactured parts, but over the past three decades, it has evolved into a co


Analysis Origins: OptiStruct

This article, featured in the October 2019 issue of NAFEMS BENCHMARK Magazine, chronicles the origins and legacy of OptiStruct, an early pioneer of simulation-driven design. Features quotes from Altair CEO Jim Scapa and other influential voices from the early days of Altair's history.

Article or


Nonlinear Analysis Buyer's Guide

We created this guide to help managers of CAE budgets navigate the multifaceted decisions companies must make when choosing a nonlinear analysis software vendor. Additionally, we’ve compiled some tips and best practices for successfully managing t...


Multidisciplinary Workflow to Assess Modal Fatigue Results of a 4-Cylinder Crankshaft Using AVL EXCITE, OptiStruct and FEMFAT

The crankshaft of an engine is a highly dynamically loaded component that is continuously optimized and optimized in terms of design and production technology. In order to be able to reproduce this in the simulation, the essential influences must ...


Optimization of Material Properties Workflow and Materials Selection in CAE

As the leading provider of materials reference data Key to Metals AG will present the key aspects of how the Total Materia database can support and improve the accuracy of simulation results whilst reducing cost, optimizing material usage and elim...


10 Things You Didn't Know You Could Do In Altair OptiStruct

You know Altair OptiStruct as the leader in topology optimization, but did you know that the use of OptiStruct for nonlinear structural analysis has been increasing rapidly at leading companies? Teams are benefiting from a modern solver technology...


The Increased Importance of BIW & Powertrain Integration in Electric Vehicle Development

Jamie Buchanan, UK Technical Director at Altair presents at the 2019 UK e-Mobility Seminar. Global Review of the EV Architecture. Integration Opportunities (e.g. Battery System Packaging, BIW / Battery Tray Integration)

Presentations, Videos

The Challenges Associated with the Electrification of Motorsport Platforms

Michael Gascoyne, CEO of MGI Technologies presents at the UK e-Mobility seminar 2019.

Presentations, Videos

eBook: Introduction to Nonlinear Finite Element Analysis using OptiStruct

This study guide aims to provide a fundamental to advanced approach into the exciting and challenging world of Nonlinear Analysis.

eBooks, Training Materials

eBook: Learning Fatigue Analysis with Altair OptiStruct

The focus of this study guide is on Fatigue Analysis. As with our other eBooks we have deliberately kept the theoretical aspects as short as possible.


eBook: Practical Aspects of Structural Optimization

This study guide aims to provide a basic introduction in the different optimization methods. Designed for users who are interested to learn more about the “inspiring” world of optimization.


What's New in OptiStruct 2019

Find out what's new in Altair OptiStuct 2019, THE solver for linear and nonlinear analysis.


Altair OptiStruct Interface Enhancements in SimLab

New solutions approaches are supported to perform model setup for OptiStruct, including enhancements to the loads and constraints and optimization responses.

New Features, Videos

Flat Panel Post-Buckling Analysis with Implicit Method using OptiStruct

Many commercial aircraft are designed so that fuselage skins can elastically buckle below limit load and continue to operate safely and efficiently. This design regime makes for a very lightweight semi-monocoque structure compared to a non-bucklin...

Technical Papers

Altair OptiStruct New Axisymmetric Element (CQAXI)

OptiStruct offers support for the QUAD element type that defines a 4 or 8 node CQAXI Bulk entry.

New Features, Videos

Detailed Nonlinear Model for the Analysis of a Wind Turbine Pitch Bearing

Presentation by Aitor Fernandez, Mechanical Engineer at IK4-Tekniker.

The mechanical behavior and failure mechanisms of a wind turbine pitch bearing are very different from those of other bearings types designed for traditional applications. On the one hand, there is the effect of the low r

ATC Presentations, Videos

Cost Optimization in Composite Structures

Cost optimization is a driving force in all fields of industry, with every manufacturer competing to provide a cost-effective solution to the end customer. The paper addresses how to perform an early-stage design of components with emphasis on cos...

Technical Papers

Medical Auto Injector

Nolato specializes in polymer-based product design and manufacturing to virtually design a device to automatically inject medicines, such as insulin for diabetic patients. Within this presentation different aspects of the product design cycle are ...

Customer Stories, Videos

Fatigue with Optimization Example

Presentation by Hariprasad Gowda, OptiStruct Program Manager - Aerospace and Byung Soo Kang, Technical Specialist at Altair.

Fatigue capability within Altair OptiStruct supplemented by other HyperWorks suite of products enable users to carry out design optimization studies for Fatigue perform

ATC Presentations, Videos

Introduction to OptiStruct

OptiStruct is an industry proven, modern structural analysis solver for linear and nonlinear problems under static and dynamic loadings. It is the market-leading solution for structural design and optimization.

Product Overview Videos

OptiStruct: Enabling Simulation Driven Innovation

Watch this on-demand webinar to get a complete overview of the comprehensive, unique and innovative functionality of OptiStruct for structural analysis and optimization. Learn why OptiStruct is quickly becoming widely adopted as the structural sol...


eBook: Learn Dynamic Analysis with Altair OptiStruct

This study guide aims to provide a fundamental to advanced approach into the exciting and challenging world of Structural Analysis.

eBooks, Training Materials

OptiStruct for Structural Analysis: Not Just for Optimizations Anymore

Reprint of article on OptiStruct as a structural analysis tool with built-in optimization capabilities

Technical Papers

OptiStruct for Nonlinear Analysis: Comprehensive, Fast and Accurate Solutions, Modern Solver Architecture

This webinar will show you some of the nonlinear capabilities available in OptiStruct with a few use cases at a high level. The use cases include but are not limited to car body durability, powertrain durability, aerospace etc.


Speeding up Altair OptiStruct* Simulations with the Intel® SSD Data Center Family for PCIe*

Altair OptiStruct* provides engineers and designers with a unified solution from concept to final design by leveraging advanced analysis capabilities and novel, optimization-driven simulation. In this process, the simulation time for one optimizat...

Technical Papers

ATCx - OptiStruct: Modern Solver Technology for Innovative and Lightweight Design

Presentation on "OptiStruct: Modern Solver Technology for Innovative and Lightweight Design." This was presented by Warren Dias, Business Development Manager – OptiStruct, Altair at ATCx West on June 18, 2014.

ATC Presentations

Five Common Mistakes made Running Topology Optimization

Topology optimization is an approach that optimizes the material distribution within a given design space, for a given set of loads and boundary conditions, to meet a set of performance targets. Using topology optimization at a concept level can h...


OptiStruct V14.0 Feature Presentations Demo Models

For each of the 70 new features in OptiStruct 14.0, there is an individual presentation and demo model.


SOGECLAIR Aerospace Employs HyperWorks to Optimize Additively Manufactured Aircraft Components: Topology optimization of a large engine pylon structure

To find new development and manufacturing approach to reduce weight while ensuring safety, HyperWorks offers SOGECLAIR Aerospace an innovative, streamlined development environment with more design freedom, faster development cycles, and lower cost...

Customer Stories

Samsung Uses OptiStruct to Redesign Washing Machine Component for Optimized Weight and Material Usage

To carry out optimization on the pulley, Suzhou Samsung chose OptiStruct, a key
component of Altair’s HyperWorks suite of computer-aided engineering tools and a
modern structural analysis and optimization solver. “OptiStruct provided us with important optimization features,” said Mr. Cheng, “such

Customer Stories

Durability Workshop

On September 27th, OptiStruct users presented the latest capabilities and advancements in simulation-driven design methods for noise and vibration, durability and fatigue solutions. In addition, Altair experts showcased the unique OptiStruct devel...

ATC Presentations

Altair OptiStruct Datasheet

Altair OptiStruct is an industry proven, modern structural analysis solver for linear and nonlinear simulation under static and dynamic loadings. It is the most widely used solution for structural design and optimization in all industries. Altair ...


Sella Chair - Form Follows Performance

Short video describing the design and production of a design chair by Architect Atanas Zhelev (Digital Architects, Vienna, Austria). This design piece demonstrates the feasibility of his Active Grid Monocoque System (AGM) he uses in his work for h...


Altair OptiStruct Grid Based Free Shape Optimization

A new option, GRID, is available on the 3rd field of DSHAPE Bulk Entry that allows more flexible shape changes (including normal to the shell surface) as each DSHAPE grid has its own design variable.

New Features, Videos

Samsung Research Institute – Bangalore Adopts Altair Optistruct® for Optimizing Housing Design of a Smartphone

The mobile devices industry is fiercely competitive and companies are continuously being challenged to push the boundaries of their hardware design. With shorter design cycles and narrowing cost margins there has been greater emphasis on virtual t...

Customer Stories

Generative Design and Topology Optimization Report

This special report by covers two of the most talked-about trends in the product design community today: Generative Design and Topology Optimization. These simulation techniques allow customers to design lightweight and performativ...

Technical Papers, Use Cases

OptiStruct Tips and Tricks

This Workshop Presentation on Powertrain was conducted by Arnaud Sohier, Dave Mason, Nirmalkumar Subbaiah and Manohara Mariyyapa at the Americas ATC on May 5, 2015. Attendees to this workshop leanred how HyperWorks offers a complete and efficient...

ATC Presentations
309 Results

Be the first to know

Subscribe to our newsletter to learn about product training, news, events, and more!