Topology optimization to is a mathematical method that optimizes material layout within a given design space, for a given set of loads, boundary conditions and constraints with the goal of maximizing the performance of the system. Optimizationenabled structural analysis altair optistruct. Altair hyperworks and its optimization package o ptistruct. Hyperworks tutorial optistruct topology optimization. Thanking you, amogh taraikar thermal topology optimization in optistruct software. The model is setup in hypermesh, and the topology optimization job is run with optistruct. I also want to know, for a topology optimization of a structure that buckling is the main failure that can happen, is it correct idea to do the buckling analysis to use the buckling load as the topology opt load case. Multimaterial topology optimization topology restart with different mesh size or configuration in this release. You do not need previous knowledge in topology optimization. Part of the altair hyperworks suite, optistruct is an industryproven, modern structural analysis solver for linear and nonlinear problems under static and dynamic loadings and marketleader for optimization.
He works with global aec companies and industry experts to help align the companys advanced technologies to address industryspecific challenges. Topology optimization results sometimes give design which cannot be manufactured economically. 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. Subsequent to the topology optimization phase, large scale sizing optimization studies can be run on the lattice beams while incorporating detailed performance targets such as stress, buckling, displacement and frequency. Artificial stress concentrations are filtered out during topology optimization with stress const. Symmetry and draw direction applied simultaneously in topology optimization 2. Altair hyperworks resources videos, presentations, webinars. We do a optimization on shell elements with stress constraints. Using highly advanced optimization algorithms, optistruct can solve the most complex optimization problems with thousands of design variables in a short period of time.
You will be able to do the same examples showed in the tutorial you will not need extra files. After topology optimization after shape optimization19 % m 9. Il partecipante imparera a lanciare calcoli di ottimizzazione, impostando le opportune condizioni al contorno sul modello fem e configurando le card di ottimizzazione del solutore. Topology optimization of an excavator arm model this tutorial demonstrates how to set up an optimization problem of an mbd system using the equivalent static load method esl. You will find here a tutorial which explains you how to perform topology optimizations with the best available software of the market. Download fileendesign optimization for am in optistruct with consideration of oha in topology optimization. Topology optimization is not new for many years, altair has evangelized and democratized this technology in a wide range of industries, and it continues. Topology optimization with extrusion using hypermesh and optistruct by prakash pagadala firstly, w hy do we need manufacturing constraints.
Five common mistakes made running topology optimization. Powerflow is available as an optimization response for topology, topography, sizing, and shape optimization. Home topology optimization for you optistruct tutorial. To improve manufacturability while meeting all component requirements, the project engineers used altair inspire and its topology optimization capabilities in the design process. The control arm can be considered totally fixed for all load cases as follows. Topology optimization tutorial bracket altair university. The objective is to minimize the mass of the material used in the model subject to. The iges format was chosen to make it easy to import in any cad system. Define a static displacement response total disp named disp 1. All optimization types are now supported including topology. Base thickness of shell elements in topology optimization.
The stress constraint definition in a topology optimization is a global constraint and does not. These areas can be addressed subsequently through size, shape, and free shape optimization or a combination thereof. It also provides a library for automotive related nondesign spaces, such as engine, seats, engine, sunroofs, and wheel arches. Lobiettivo del corso e di fornire una conoscenza di base su altair optistruct optimization. Using result mapper in hypercrash in this tutorial, you will learn the procedure for mapping forming results onto structural models using the hyperworks results mapper. Nonlinear optimization of suspension link for optimal. Topology optimization of a control arm the purpose of this exercise is to determine the basic minimum information required to run a topology optimization exercise. Optistruct as solver for topology optimization part1 using.
Altair hyperworks x introduces a very intuitive and powerful workflow to quickly generate design and nondesign space for optimization runs. Key to arriving at an efficient design was the early application of altair topology optimization to the chassis, suspension, and wheel design of the vehicle. Hyperworks news eventi i nostri partner company blog email subscriptions locations contattateci. Topology optimization of a control arm with manufacturing constraints the purpose of this exercise is to determine the best topology using the minimum mass. Click the props entity selector box and select the property design. However, the possibilities and limitations of topology and shape optimization in the design process at saab microwave systems have not been investigated previously. After topology optimization after shape optimization19% m 9. Methodology for topology and shape optimization in the. For this purpose an automotive seat design for crash loadcases is. Peter haensch, optimization specialist, eurocopter gmbh, germany. Compliance problem in topology optimization altair. An especially interesting eld is topology optimization where optimization methods are used to generate a design concept early in the design process. Topology optimization reveals what the design wants to be, even before we have any cad for it. Hyperworks topology optimization with stress constraints.
Topology optimization is a tool for nding a domain in which material is placed that optimizes a certain objective function subject to constraints. Aug 21, 20 topology optimization has undergone a tremendous development since its introduction in the seminal paper by bendsoe and kikuchi in 1988. The apa offers 3rd party technology alongside hyperworks products under one license. Create topology design variable and manufacturing constraints for the model. This study also showcases the single model work flow using hyperworks in which the user can perform baseline analysis, optimization, results interpretation and validation runs with minimum to zero cad intervention from a single scalable. By now, the concept is developing in many different directions, including density, level set, topological derivative, phase field, evolutionary and several others.
Optistruct as solver for topology optimization part1. Hyperworks overview optimization theoretical background hypermesh optimization interface concept design. The paper presents a coupled fluid and structure approach to topology optimization using two commercial finite element solutions. I mean, is that right to increase the force to deform the part to plastic point compliance problem in topology optimization altair. Topology optimization altair optistruct altair forum. In the topology panel under the optimization section of the analysis page, under desvar, enter the name design. It is calculated using norm approach on design domain. Optistruct as solver for topology optimization part2. Repeating the whole process is a waste oftime, money and effort. Getting started with hyperworks, import, export, open, save, working with panels, rotate, zoom, pan. This thesis considers topology optimization for structural mechanics problems, where the underlying pde is derived from linear elasticity. Mubea relies on hyperworks unlimited for automotive component design and production learn more. An unmanned aerial vehicle uav frame was designed as a demonstration and subsequently printed on aeroswift. I have a wishbone suspension model which is already topology optimized so its in freeform structure.
This includes many industryfirsts such as stress based topology, failsafe topology, topology based design of 3d printed lattice structures, multimaterial topology optimization, and multimodel optimization. Topology optimization is a proven approach for developing structurally efficient parts in a fraction of the typical design cycle time. The topics discussed are new stress constraints for topology optimization, a fast contact algorithm, tape laying manufacturing for composites, fail safe topology optimization, and resultant forces and moments as. Topology optimization of a hook with stress constraints in this exercise, a topology optimization is performed on a brackethook modeled with shell elements. For over 25 years, optistruct has pioneered the development and adoption of innovative optimization technology. Optistruct has a unique solution to design such lattice structures that is based on topology optimization.
Optistruct is the awardwinning integrated analysis and optimization product that has concept design and design finetuning capabilities for structures. In what follows, it is shown how altair hyperworks suite. Create a design variable for topology optimization. Altair hypermesh was applied to generate finite element models that formed the basis for the topology optimization studies. Sogeclair aerospace employs hyperworks to optimize. Under the dropdown selector for type, select psolid. Hyperworks offers optimization technologies for both concept design and design finetuning stages of a multidisciplinary product design cycle. Study on topology optimization for high dynamic flight simulator based on hyperworks scientific. I got that the stiffness matrix of a material is varied depending on its density and that using the penalization factor p, we are aiming for design with only 0. Optistructs optimization technology is simply the best in the world. So in order to save material and reduce weight of component, topology optimization analysis is carried out in hyperworks which yielded in optimized shape. You could refer to hyperform manufacturing solution interfacetutorials. In this website you will learn how to do it using a very powerful technique. Finite element analysis and topology optimization of lower.
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 costs. To is different from shape optimization and sizing optimization in the sense that the design can attain any shape within the design space, instead of dealing with. The aim of this study is to showcase the benefits of hwul on an optimization driven design of a complex system. Introduction suspension is the system which consists of dampers, springs. Topology optimization with manufacturing constraints geometric data generation of new design concept using ossmooth which is part of optistruct. Its advanced optimization engine allows users to combine topology, topography, size and. Design and optimization of lattice structures for 3d printing. Jun 23, 2015 one such technology is the topology optimization functionality available in altair optistruct. Altair optistruct is an industry proven, modern structural analysis solver for linear and nonlinear simulation. Define a topology design variable for the design region 1. Inspire enables both simulation analysts and designers to perform whatif studies faster, easier, and above all earlier, encouraging collaboration and reducing product time to. The industry standard for structural efficiency, topology optimization by altair optistruct, for the generative design of practical, viable and manufacturable geometry. Learn step by step by doing simple and powerful examples. The structural model with loads and constraints applied is shown in the figure below.
Designing a lightweight vehicle door using a load path optimization as a basis for a fiber placement technology. Hey guys, i have a question on the theory of the simp method used in optistruct to perform a topology optimization. Some optimization procedure can also be added in order to reduce the noise. Hyperworks is an enterprise simulation solution for rapid design exploration and decisionmaking. Study on topology optimization for high dynamic flight. Design concept for a structural cclip with minimum member size.
Optistruct verification problems manual altair university. This study also showcases the single model work flow using hyperworks in which the user can perform baseline analysis, optimization, results interpretation and validation runs with minimum to zero cad intervention from a single scalable environment. Generative design topology optimization with altair inspire 2 days descrizione. Fea model containing mesh, constraints, force, etc. Factor of safety fos and margin of safety mos optimization responses are now available for topology optimization. Generative designtopology optimization with altair.
Student contest, hyperworks students education, optimisation contest, aoc 2012, altair optimisation contest. Altair hyperworks is the most comprehensive openarchitecture simulation platform, offering bestinclass technologies to design and optimize high performance, efficient and innovative products. Thermal topology optimization altair optistruct altair forum. The software helped us to achieve substantial weight savings. The purpose of this exercise is to export from hypermesh the optimized control arm mesh and geometry obtained from topology optimization. Registering for a course return to course schedule. Hyperworks tutorial optistruct topology optimization os2030. Methodology for topology and shape optimization in the design. Since solid elements were used for design space, make sure you switch to psolid as type and select the design space as the property under props field. Altair partner alliance the apa offers 3rd party technology alongside hyperworks products under one license. As one of the most comprehensive, openarchitecture cae solutions in the industry, hyperworks includes bestinclass modeling, analysis, visualization and data management solutions for linear, nonlinear, structural optimization, fluidstructure. Using topology optimization at a concept level can help you achieve the best performing design.
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