By now, the concept is developing in many different directions, including density, level set, topological derivative, phase field, evolutionary and several others. Thermal topology optimization altair optistruct altair forum. In the topology panel under the optimization section of the analysis page, under desvar, enter the name design. Altair hyperworks resources videos, presentations, webinars. Optistruct has a unique solution to design such lattice structures that is based on topology optimization. Create a design variable for topology optimization. So in order to save material and reduce weight of component, topology optimization analysis is carried out in hyperworks which yielded in optimized shape. The model is setup in hypermesh, and the topology optimization job is. 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. You could refer to hyperform manufacturing solution interfacetutorials. Hyperworks is an enterprise simulation solution for rapid design exploration and decisionmaking. Thanking you, amogh taraikar thermal topology optimization in optistruct software.
Download fileendesign optimization for am in optistruct with consideration of oha in topology optimization. A caedriven design process combining topology optimization using optistruct and additive layer manufacturing alm. Generative designtopology optimization with altair. Altair hyperworks is the most comprehensive openarchitecture simulation platform, offering bestinclass technologies to design and optimize high performance, efficient and innovative products. Nonlinear optimization of suspension link for optimal. 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. Designing a lightweight vehicle door using a load path optimization as a basis for a fiber placement technology.
The model is setup in hypermesh, and the topology optimization job is run with optistruct. Jun 23, 2015 one such technology is the topology optimization functionality available in altair optistruct. Using topology optimization at a concept level can help you achieve the best performing design. 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.
Symmetry and draw direction applied simultaneously in topology optimization 2. Optistruct is the awardwinning integrated analysis and optimization product that has concept design and design finetuning capabilities for structures. Optistruct failure response for topology optimization. The industry standard for structural efficiency, topology optimization by altair optistruct, for the generative design of practical, viable and manufacturable geometry. Topology optimization tutorial bracket altair university. The apa offers 3rd party technology alongside hyperworks products under one license. Part of the altair hyperworks suite, optistruct is a proven structural solver for non linear statics and dynamics, vibrations, acoustics, fatigue, multiphysics, and industryleading solution for optimization.
However, the possibilities and limitations of topology and shape optimization in the design process at saab microwave systems have not been investigated previously. Topology optimization is a tool for nding a domain in which material is placed that optimizes a certain objective function subject to constraints. 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. Altair hypermesh was applied to generate finite element models that formed the basis for the topology optimization studies. Its advanced optimization engine allows users to combine topology, topography, size and. It also provides a library for automotive related nondesign spaces, such as engine, seats, engine, sunroofs, and wheel arches. Finite element analysis and topology optimization of lower. The stress constraint definition in a topology optimization is a global constraint and does not.
Generative design topology optimization with altair inspire 2 days descrizione. Altair hyperworks x introduces a very intuitive and powerful workflow to quickly generate design and nondesign space for optimization runs. Study on topology optimization for high dynamic flight simulator based on hyperworks scientific. I mean, is that right to increase the force to deform the part to plastic point compliance problem in topology optimization altair. Under the dropdown selector for type, select psolid. Topology optimization is a proven approach for developing structurally efficient parts in a fraction of the typical design cycle time. The structural model with loads and constraints applied is shown in the figure below. Optistruct as solver for topology optimization part1 using. He works with global aec companies and industry experts to help align the companys advanced technologies to address industryspecific challenges. Hyperworks tutorial optistruct topology optimization. Altair optistruct is an industry proven, modern structural analysis solver for linear and nonlinear simulation. Compliance problem in topology optimization altair.
Altair partner alliance the apa offers 3rd party technology alongside hyperworks products under one license. Five common mistakes made running topology optimization. Using the altair hyperworks computeraided engineering cae framework for product design, zyvex not only accomplished its goal to significantly speed time to market, but also used hyperviews visualization technology to prepare informative compact slide and powerpoint presentations on the nanotechnology to various stakeholders, including. Create topology design variable and manufacturing constraints for the model. Registering for a course return to course schedule. 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.
Methodology for topology and shape optimization in the design. Methodology for topology and shape optimization in the. Design and optimization of lattice structures for 3d printing. 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. 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. Aug 21, 20 topology optimization has undergone a tremendous development since its introduction in the seminal paper by bendsoe and kikuchi in 1988. The purpose of this exercise is to export from hypermesh the optimized control arm mesh and geometry obtained from topology optimization. Optistructs optimization technology is simply the best in the world. The iges format was chosen to make it easy to import in any cad system. Optistruct verification problems manual altair university. Define a static displacement response total disp named disp 1.
Optistruct as solver for topology optimization part1. Multimaterial topology optimization topology restart with different mesh size or configuration in this release. 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. Topology optimization of a control arm with manufacturing constraints the purpose of this exercise is to determine the best topology using the minimum mass. Optistruct as solver for topology optimization part2.
Hyperworks overview optimization theoretical background hypermesh optimization interface concept design. Artificial stress concentrations are filtered out during topology optimization with stress const. This thesis considers topology optimization for structural mechanics problems, where the underlying pde is derived from linear elasticity. I have a wishbone suspension model which is already topology optimized so its in freeform structure. Powerflow is available as an optimization response for topology, topography, sizing, and shape optimization.
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. 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. 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. Hyperworks topology optimization with stress constraints. Altair hyperworks and its optimization package o ptistruct. 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. Topology optimization of a hook with stress constraints in this exercise, a topology optimization is performed on a brackethook modeled with shell elements. Nov 11, 2018 but havent fig out a way to get the 3d output as alurcad got. 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. You do not need previous knowledge in topology optimization.
Optimizationenabled structural analysis altair optistruct. Hey guys, i have a question on the theory of the simp method used in optistruct to perform a topology optimization. Topology optimization altair optistruct altair forum. The control arm can be considered totally fixed for all load cases as follows. Hyperworks news eventi i nostri partner company blog email subscriptions locations contattateci. These areas can be addressed subsequently through size, shape, and free shape optimization or a combination thereof. An unmanned aerial vehicle uav frame was designed as a demonstration and subsequently printed on aeroswift.
Topology optimization results sometimes give design which cannot be manufactured economically. To improve manufacturability while meeting all component requirements, the project engineers used altair inspire and its topology optimization capabilities in the design process. Topology optimization with manufacturing constraints geometric data generation of new design concept using ossmooth which is part of optistruct. You will find here a tutorial which explains you how to perform topology optimizations with the best available software of the market. The paper presents a coupled fluid and structure approach to topology optimization using two commercial finite element solutions. In what follows, it is shown how altair hyperworks suite. The objective is to minimize the mass of the material used in the model subject to. For over 25 years, optistruct has pioneered the development and adoption of innovative optimization technology. For this purpose an automotive seat design for crash loadcases is. Using highly advanced optimization algorithms, optistruct can solve the most complex optimization problems with thousands of design variables in a short period of time.
Home topology optimization for you optistruct tutorial. Introduction suspension is the system which consists of dampers, springs. Lobiettivo del corso e di fornire una conoscenza di base su altair optistruct optimization. Student contest, hyperworks students education, optimisation contest, aoc 2012, altair optimisation contest. It is the most widely used solution for structural design and optimization in all industries. 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. In this website you will learn how to do it using a very powerful technique. Base thickness of shell elements in topology optimization. Repeating the whole process is a waste oftime, money and effort. Fea model containing mesh, constraints, force, etc. The software helped us to achieve substantial weight savings. Peter haensch, optimization specialist, eurocopter gmbh, germany.
Study on topology optimization for high dynamic flight. 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 of a control arm the purpose of this exercise is to determine the basic minimum information required to run a topology optimization exercise. Mubea relies on hyperworks unlimited for automotive component design and production learn more. 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 aim of this study is to showcase the benefits of hwul on an optimization driven design of a complex system. Learn step by step by doing simple and powerful examples. An especially interesting eld is topology optimization where optimization methods are used to generate a design concept early in the design process. After topology optimization after shape optimization19 % m 9. 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. Factor of safety fos and margin of safety mos optimization responses are now available for topology optimization. Hyperworks tutorial optistruct topology optimization os2030. After topology optimization after shape optimization19% m 9.
Sogeclair aerospace employs hyperworks to optimize. It is calculated using norm approach on design domain. All optimization types are now supported including topology. 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. 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. Click the props entity selector box and select the property design. Topology optimization with extrusion using hypermesh and optistruct by prakash pagadala firstly, w hy do we need manufacturing constraints. Getting started with hyperworks, import, export, open, save, working with panels, rotate, zoom, pan. The hyperworks unlimited hwul appliance provides an effective solution to these challenges as it seamlessly connects all the necessary tools together in the cloud. Topology optimization reveals what the design wants to be, even before we have any cad for it.
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