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Non-Linear Optimization of Suspension Link for Optimal Performance using Altair’s OptiStruct and HyperWorks
In recent times there is a high demand for lightweight automotive components which will reduce oil consumption and emissions. The components that are under non-linear load conditions would need optimization techniques that would yield a design which satisfies all performance targets and at the same time maintains the process efficiency with respect to time and cost. The use of CAE tools such as Altair’s OptiStruct and HyperWorks allows engineers to explore various design solutions starting from concept level to matured design that meets multiple requirements simultaneously with due consideration of manufacturing methods that allows engineers to arrive at an optimal design and process.

Testing Aerial Ladders in FEA: Wind Load Standard Equation vs CFD Wind Tunnel Analysis
To design and build an aerial ladder for a firetruck, the engineer needs to accurately
determine the working loads the ladder will encounter. Some of these can be easy to
interpret such as the weight of the firefighter in the basket at the end of the ladder, or
the weight of the water being supplied to the nozzle. Other loads can be a little harder
to quantify, such as how wind affects the ladder. There are several different ways to
determine this effect, and two of those will be explored in this paper: the standard
equation (ASCE 7-10), and CFD.

Snap-Fit Optimization for Achieving Desired Insertion and Retention Forces
Snap-fits are ubiquitous engineering features used to quickly and inexpensively assemble plastic parts. The geometric, material, and contact nonlinearities associated with snap-fit problems can present modeling challenges. Quasi-static solutions with explicit solvers are commonly used to analyze snapfits; however, OptiStruct’s nonlinear solver now possess the ability to solve these highly nonlinear problems implicitly. The first part of this study discusses an effective approach to using OptiStruct for the implicit finite element analysis of snap-fits. Once an accurate simulation model has been created, engineers typically make design changes in order to achieve desired insertion and retention forces. The second part of this study details how HyperMesh morphing and HyperStudy can be used to optimize the snap-fit design, resulting in desired insertion and retention forces while minimizing mass and ensuring structural integrity. The approach documented in this report can reduce the design time, material use, and failure rate of snap-fits used in industry.

White Paper: An Efficient Workflow for Composite Design & Analysis Using LAP, CoDA & Laminate Tools with HyperMesh
The task is to define optimal composite material and laminate property data, using HyperMesh in combination with Anaglyph’s composites design and analysis software tools.

White Paper: Manufacturing Chain Modeling with Virfac® Using HyperMesh
Running simulations before production is often a credo for many industries using manufacturing processes like welding, machining, heat treatment, etc. Virfac®, which stands for Virtual Factory, is the perfect tool to predict, anticipate and optimize the thermal & mechanical behavior of the workpiece along the entire manufacturing chain. Please see hereafter a three-step chaining process, using a HyperMesh mesh, starting with a “T-joint” welding, followed by a machining process, and finally ends with a heat treatment.

White Paper: Optimizing Strain Gauge Placement with LW Finder & HyperMesh
This white paper demonstrates how to find the optimal locations to place strain gauges on a casted bracket in order to accurately measure loads.

Tutorial: HW & Anaglyph Laminate Tools Integration
This document provides step-by-step instructions on how to use Anaglyph Laminate Tools within HyperWorks.

Whitepaper: A Design-Validation-Production Workflow for Aerospace Additive Manufacturing
Additive manufacturing coupled with topology optimization allows the design-and-analysis and manufacturing iterations to be reduced significantly, or even eliminated. To ensure that the part will perform as simulated, a mid-stage validation is conducted on a standardized part before creating the final products.

Global-Local Analysis Using StressCheck, HyperMesh, HyperView and OptiStruct
This whitepaper describes the workflow for combining global and local analysis in structural development using StressCheck in combination with HyperWorks.

Design and optimization of a high performance C-Class catamaran with HyperWorks
Reprint of the article published on composite solutions magazine 2/2016.

Computer Simulation's Role in Advancing Composite Aircraft Structures
Reprint of an article published on the December 2014 issue of Aerospace & Defense Technology magazine


Optimizing Cooling Passages in Turbine Blades
Turbine blades have internal passages that provide cooling during operation in a high
temperature engine. The design of the cooling passages is critical to achieve near uniform
temperature of the blade during operation. The temperature of the blade is dependent on the thermal properties of the blade material as well as the fluid dynamics of the air circulating in the cooling passages. Computational optimization methods have successfully been applied to design lighter and more efficient structures for many aerospace structures. An extension of these techniques is now applied to guiding the thermal design of a turbine blade by designing the optimal cooling passage layout. Optimization methods will be applied to determine the optimum pattern of the cooling passages and then to optimize the size of the individual cooling passages. The goal is to produce a more thermally efficient turbine blade design that will produce blades with longer lives and better performance.


Hawk T Mk2 - Arrestor Barrier (BAN MK2) Engagement Analysis
As the UK Ministry of Defence (MoD) Design Authority for Aircraft Arrestor Barrier Nets, AmSafe products are used to stop aircraft from over-running the end of the runway. The British Arrestor Net (BAN) Mk2 is suspended across the runway over-run area by two electrically driven stanchions and raised or lowered by remote control from the Air Traffic Control tower.

This paper describes the process and results of a FE analysis of the engagement of the Hawk T Mk2 aircraft into a Type A Barrier (BAN Mk2). The analysis was performed using RADIOSS, an advanced non-linear explicit Finite Element solver.

A New Approach to Optimizing the Clean Side Air Duct Using CFD Techniques
An integrated approach to CFD design optimization is proposed. It consists of taking an initial CAD design, meshing it using HyperMesh, analysing it using Star-CD, parameterising its key features using HyperMorph, and then shape optimizing it using HyperStudy. This approach has been applied here to the shape optimization of the compressor inlet duct of a turbo system.

A Holistic Virtual Design Process Applied to the Development of an Innovative Child Seat Concept
There is a need to minimise product development costs and provide efficient design solutions to maintain competitiveness, so increasingly companies in the Child Restraint System (CRS) industry are turning to Computer Aided Engineering (CAE) to enhance the design and development for their products. Graco has worked with Altair Engineering to develop a group 1 CRS using an advanced CAE driven design process. The design process introduces a number of key phases in the design cycle each of which are positioned to maximize the efficiency of the structure and reduce or remove the cost involved in a traditional, iterative ‘test it and see’ approach.

How to use FEKO with HyperMesh
This document applies to FEKO 14.0 and HyperMesh 14.0.
Users who would like to make use of the benefits of the advanced meshing features of HyperMesh while solving the electromagnetic aspects of the problem in FEKO, have several options to transfer the mesh from HyperMesh to CADFEKO. This document provides the recommended options and a brief description of how to complete the model setup in CADFEKO.

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