Topology optimization is not new for many years, altair has evangelized and democratized this technology in a wide range of industries, and it continues. Based on topology optimization a proposal for a beam layout in the front structure area has been identified. It is the most widely used solution for structural design and optimization in all industries. Use of hyperworks, especially hypermesh and hyperview as a pre and postprocessor, optistruct for optimization issues, radioss for linear and nonlinear simulation, and solidthinking evolveinspire for concept modeling benefits. Optistruct generates an optimal design proposal based on a userdefined design space, performance targets, and manufacturing constraints. Define an upper bound constraint on the disp response for the brake loadcase of 0. The prevalence of manual engineering methods in wiring harness manufacturing compounds these challenges, especially as harness complexity increases. Methodology for topology and shape optimization in the design.
The objective of a sizing optimization is to find the optimal thickness or cross sectional distribution of a. It will provide an overview of altairs solutions designed to facilitate the best in class nvh design process, coupled with. Wiring harness manufacturing is a sophisticated and challenging business where quality, accuracy, and speed are essential to success. Click optistruct to run the optimization, exporting the. Optistructs optimization technology is simply the best in the world. Optimization techniques are applied in the design of structures in order to obtain an efficient solution in terms of weight, cost or performance.
The second part explains how to realize the analysis and the several optimization possibilities on the example of a carbon skateboard. In this exercise you perform a shape optimization on a railjoint. Optistruct user guide pdf download pdf manual free. This workshop introduce altair full frequency and multiphysics solutions for solving the most pressing problems in the nvh field. Topography optimization works by dividing the design region, which in this case is the entire plate except for the areas near the loads and constraints, into smaller areas, each with its own shape variable.
Students will learn optimization concepts and do handson exercises for topology, topography, size, and shape optimizations. Methodology for topology and shape optimization in the design process master s thesis in the master s programme solid and fluid mechanics anton olason. In part i of this tutorial a linear static analysis was carried out see category. Not just for optimizations anymore reprint there is a trend from computeraided engineering cae vendors to consolidate tools into one platform. Altair partner alliance the apa offers 3rd party technology alongside hyperworks products under one license. Optistruct does this automatically, following userdefined parameters. The pre processing was executed with hypermesh, the postprocessing with hyperview and. 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 and multiphysics disciplines. Verifying the result with hand calculations theory 2d. You will be able to do the same examples showed in the tutorial you will not need extra files. 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 comprehensive linear and nonlinear analysis solution, delivering the functionality that customers of traditional nonlinear implicit codes expect coupled with the. Psd analysis of an arm bracket using optistruct youtube. Ply editing to define superplies hence optistruct only can subtract material and cannot thicken it, the first step of setting up a composite freesizeoptimization is the creation of socalled superplies, thus overthick layers. Hypermesh hyperview hyperview player hypergraph hypercrash.
Topography optimization with optistruct error altair. Pdf optistruct optimization gonzalo anzaldo munoz academia. Altair optistruct is an industry proven, modern structural analysis solver for linear and nonlinear simulation under static and dynamic loadings. Altair hyperworks training online learning, tutorials. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Define an upper bound constraint on the disp response for the pothole loadcase of 0. Methodology for topology and shape optimization in the. Our goal at altair engineering is to offer a training curriculum that improves the productivity of our customers.
Psd analysis in optistruct using frequency response process. Multiobjective optimization design of control arm using. Altair optistruct is an industry proven, modern structural analysis solver for linear and nonlinear simulation. Principles of vibration analysis with femap and nx nastran. Optimizationenabled structural analysis altair optistruct. Altair optistruct optimization for structures, vibrations and durability. Coommpp oossi ittee oopp ttimmiizzaattiionn wwiithh oppt. Optistruct for optimization optimization using optistruct this is an introductory course for using optistruct for optimization in the product design process. Pdf modal frequency response optimization in optistruct.
Design optimisation using optistruct optistruct for structural optimisation 2 day training course altair optistruct is an implicit finite elements solver and market leading febased optimisation tool widely adopted across a variety of industries including not. Topology optimization can be applied to 1d, 2d and 3d design spaces. The objective is to minimize a function taking into account some constraints. Modal analysis with altair optistruct hypermesh some hints all components in the model must have material and properties assigneddefined.
Topology optimization is a type of structural optimization whose goal is to determine the location and shape of the holes of a structure as well as the connectivity of the domain. You do not need previous knowledge in topology optimization. Where i can get optimization tutorial for hypermeshoptistruct. You will find here a tutorial which explains you how to perform topology optimizations with the best available software of the market. Optistruct structural analysis solver linear and nonlinear. Optistruct uses topology optimization to generate innovative concept design proposals. In the optistruct panel under the analysis page, ensure that the export options. For this example, the smaller areas can each move upward. Topology optimization reveals what the design wants to be, even before we have any cad for it.
The objective has been to find the optimal topology of beams and rods to achieve high stiffness of the front structure for improved ride and handling. We have several e books available for free download and practical aspects of structural optimization is one among them. Simply supported beam bending exercise using hyperbeam. One such technology is the topology optimization functionality available in altair optistruct. It is the industryleading and most widely used solution for structural design and optimization. Make sure units are consistent and density is defined. All of the manual work with setting up the problem for topology optimization is done using hypermesh. Look for optistruct basic tutorials altair optistruct. Optimization is always based on underlying structural analysis, said uwe schramm, chief technical officer at altair.
Heuristics are good at dealing with local optima without getting stuck in them while searching for the global optimum. The first part is a general overview about the composite topic. Student contest, hyperworks students education, optimisation contest, aoc 2012. Very nice to hear that you are exploring optimization modules in optistruct. They provide product design and engineering solutions, enterprise services and cloud computing.
Heuristics are typically used to solve complex optimization problems that are difficult to solve to optimality. Every aspects of optimization is well explained in this e book with examples. We offer classes at our regional offices as well as some partner universities, use the menus below to search for classes. Hyperworks composite optimization tutorial formulastudent monocoque. The software that will be used are the preprocessor hypermesh, the optimization tool optistruct and the postprocessor hyperview, all of them products of altair engineer. Structural optimization using optistruct concepts, analysis, and optimization for. Home topology optimization for you optistruct tutorial.
In this website you will learn how to do it using a very powerful technique. This is an introductory course for using optistruct for finite element analysis on fatigue. Optistruct by altair altair optistruct optistruct is an industry proven, modern structural analysis solver solve for linear and nonlinear structural problems under static and dynamic loadings marketleading solution for structural design and optimization helps designers and. Using highly advanced optimization algorithms, optistruct can solve the most complex optimization problems with thousands of design variables in a short period of time. The minimum requirements for performing a topology. Pdf optistruct 2017 tutorials and examples gonzalo. Design and optimization of lattice structures for 3d. Altair and our resellers need the contact information you provide to us to contact you about our products and services. Altair was founded by james r scapa, george christ, and mark kistner in 1985. Byaltair engineering 3553views share slideshare facebook twitter minimize volume. Nonlinear analysis with optistruct optistruct for nonlinear structural analysis 1 day training course altair optistruct is an implicit finite elements solver and market leading febased optimisation tool widely adopted across a variety of industries including not.
Learn step by step by doing simple and powerful examples. Composite optimization with optistruct on the example of a formula. Topology optimization tutorial bracket altair university. Submit the optimization run from the optistruct panel as carm. This tutorial based on the first hyperworks for mac version 11.
But even before the altair partner alliance began, the organization was consolidating cae functionality within its optimization tool optistruct. Modeling lare deformations phenomenon with altair optistruct. Therefore, techniques need to be introduced to penalize intermediate. Topography optimization is an advanced form of shape optimization in which a design region for a given part is defined and a pattern of shape variablebased reinforcements. When to use 2 d elements, family of 2 d elements, how not to mesh, quality checks of 2d elements. Nonlinear analysis with optistruct altair hyperworks. This wave of change is a way for engineering firms to reduce their software budgets, training and web of licenses. Bei fragen kontaktieren sie bitte sascha beuermann email.