We used optistruct on different parts of the aircraft passenger door system. Speeding up altair optistruct simulations white paper. Peter haensch, optimization specialist, eurocopter gmbh, germany. Principles of vibration analysis with femap and nx nastran. Snen and uniaxialmultiaxial base metal fatigue with static subcase optimization supported. Methodology for topology and shape optimization in the design. Effective if the small damaged elements are not of concern. 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 limited to aerospace, automotive and motorsports. Optistruct user manual altair optistruct altair forum. This wave of change is a way for engineering firms to reduce their software budgets, training and web of licenses. It enhances the concept development process by enabling simulationdriven design to increase your products efficiency, strength and manufacturability.
Free this is an introductory course for using optistruct to solve nonlinear problems. Altair optistruct helps designers and engineers analyze and optimize structures for performance. Topology optimization reveals what the design wants to be, even before we have any cad for it. 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. The freesize optimization in optistruct deals with the element. Structural optimization with altair optistruct 2 days. 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. As a market leader for structural design and optimization, optistruct helps designers and engineers analyze and optimize structures for their strength. Handling multiobjective optimization problems with hyperstudy. Other free pdf optimizer tools online online pdf size reducer are tools let you optimize pdf files online for free. In 1994, altair receives industryweeks technology of the year award for optistruct. Lobiettivo del corso e di fornire una conoscenza di base su altair optistruct optimization.
Altair optistruct is an industry proven, modern structural analysis solver for linear and nonlinear structural problems under static and dynamic loadings. The course contains modules introducing the basic optimization types and giving an over of each. Altairs hyperstudy provides a number of algorithms sqp, arsm, mfd, ga, sora to cover a wide range of optimization problems. These areas can be addressed subsequently through size, shape, and free shape optimization or a combination thereof. Altair optistruct manufacturing constraints support for multiplematerial topology optimization all manufacturing constraints are supported for multiple materials topology optimization mmat from v2019. Use the categories below to navigate through the training options available for altair customers to get trained in. Free size optimization and size optimization are used in this study to. Optistruct strength optistruct fatigue optistruct pre processing fatigue set up solver dac,rpc,rsp file channel handling within solver post processing. The proposed paper presents the implementation of modal frequency response optimization in the commercial software optistruct 1.
Symmetry and draw direction applied simultaneously in topology optimization 2. Combine models in optistruct to an mmo, using design space identification via. The stress constraint definition in a topology optimization is a global constraint and does not. 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. For fair comparison, the same formulations are defined, and.
The performance of structural optimization depends on the quality of the optimum solution and the computational time, and these aspects are compared from the application viewpoint. Nonlinear optimization of suspension link for optimal. Our goal at altair india is to offer training that improves the productivity of our customers using hyperworks, feko, vissim or solidthinking solutions. 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 limited to aerospace, automotive and motorsports. Students will learn optimization concepts and do handson exercises for topology, topography, size, and shape optimizations. Hyperworks includes bestinclass modeling, linear and nonlinear analyses, structural and systemlevel optimization, fluid and multibody dynamics simulation, electromagnetic compatibility emc, multiphysics analysis, modelbased development, and data management solutions. Pdf modal frequency response optimization in optistruct. Practical aspects of structural optimization with altair. This course will show students how to solve linear fea problems using the software hypermesh and basic fea. Simply supported beam bending exercise using hyperbeam. 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. This course covers both the theoretical extensions of nonlinear static assumptions to include nonlinear behavior as well as the practical applications of those concepts in the optistruct solver.
Substructure topology optimization of an electric machine thesis in partial fulfilment of the requirements for the degree of master of science in mechanical engineering espoo, finland on june 3rd, 20 supervisor of the thesis professor jukka tuhkuri instructor of the thesis m. During the 2008 economy crisis, altair started a program to offer free training on its product for unemployed persons in michigan. Pdf this paper presents an overview of the recently implemented thermal topology optimization capabilities in altair optistruct software. Pdf this online optimizer lets you browse through files on your device, or to drag and drop them into the program. For example, i was able to increase the output of the b16a1, 1. 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 engineers to analyze and optimize structures. Methodology for topology and shape optimization in the. Introduction to optistruct for structural optimization. Online optistruct optimization optistruct for optimization. Design and optimization of lattice structures for 3d. Students will learn the basic steps to set up a fea problem, the important aspects to consider in setting up a fea problem, and how to interpret the results. Verifying the result with hand calculations theory 2d. Ossmooth surfaces from a topology optimization the purpose of this exercise is to export from hypermesh the optimized control arm mesh and geometry obtained from topology optimization. Methodology for topology and shape optimization in the design process master s thesis in the master s programme solid and fluid mechanics anton olason.
Pdf optistruct optimization 90 vol1 manual free download pdf. When to use 2 d elements, family of 2 d elements, how not to mesh, quality checks of 2d elements. 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. Hello all, i have recently started exploring fatigue and modal analysis in optistruct. Learn how to do topology optimizations with altair hyperworksoptistruct 11. See it allows you to watch a video demonstration of the exercise covered in the section, while try it gives you a pdf and. Comparison of some commercial software systems for.
Therefore, you will increase your value as designer beacuse you will be able to obtain the best solutions in terms of weight, cost or performance you can get optistruct tutorial 11. Description download optistruct optimization 90 vol1 manual free in pdf format. Optistruct user guide pdf download pdf manual free. It is the most widely used solution for structural design and optimization in all industries. Make sure units are consistent and density is defined. Practical aspects of structural optimization with altair optistruct. Online optistruct linear analysis optistruct for linear analysis. In this chapter the background, purpose, objective and limitations are described together with the used. This is an introductory course for using optistruct for optimization in the product design process. Pdf practical aspects of structural optimization, a study guide. Ideally, the results of a topology optimization would return elements consisting of only material or only voids. The intensive writing was balanced with handson activities on my free time. Nonlinear analysis with optistruct altair hyperworks. Design variable and linking response and constraint set up automation for single model and optimization 6.
The software helped us to achieve substantial weight savings. Submit the optimization run from the optistruct panel as carm. Optistruct, freeshape and normal shape optimization. Product engineers make proposals of how to modify a part to meet requirements on stress, weight, reliability, etc. Multiobjective optimization design of control arm using. Pdf thermal topology optimization in optistruct software. Optistruct are investigated and evaluated by solving various test examples in different scales. Objective min mass free shape defined along the flange edges 7 design iterations to converge 2hrs 45 mins with 48 cores ddm free shape design interpretation using hm 2017 free shape data from optimization was read through fe overwrite import in hypermesh. Psd analysis in optistruct using frequency response process. Analyzing the performance of structures is only one of the many steps in product. In this process, the simulation time for one optimization iteration is a critical consideration, because it affects the. All of the manual work with setting up the problem for topology optimization is done using. 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. One such technology is the topology optimization functionality available in altair optistruct.
The proposed paper presents the implementation of modal frequency response optimization in the commercial software optistruct1. In the optistruct panel under the analysis page, ensure that the export options. Optistruct has a geometric algorithm to decide where design spaces intersect. When the run has completed, from the optistruct panel, click on the hyperview button to launch the postprocessing report carm. Altair inspire software is the industrys most powerful and easytouse generative designtopology optimization and rapid simulation solution for design engineers. Not just for optimizations anymore reprint there is a trend from computeraided engineering cae vendors to consolidate tools into one platform. Click optistruct to run the optimization, exporting the.
You can keep it in your computer, read it as a pdf file, print it recommended or take it wherever you want on a usb pen drive. Typical applications include panel stiffening and managing frequencies. User guide to the optimization code optistruct optistruct optimization 10 training manual mar 01, 2011 transcript of optistruct optimization 10 training manual free shape optimization no userdefined shape perturbation vector is necessary. Psd analysis of an arm bracket using optistruct youtube. Based on topology optimization a proposal for a beam layout in the front structure area has been identified. The purpose of this self paced course is to cover the basics of optistruct optimization. Single model multi attribute analysis and optimization. I wanted to know if there is any user manual where meanings of different variables in cards are explained as in ls dyna user manual.
Many exercises are available in the modules that use the see it, try it methodology. Modal analysis with altair optistruct hypermesh some hints all components in the model must have material and properties assigneddefined. Catia and then imported into altair hypermesh and optistruct software for finite element model. Structural optimization using optistruct concepts, analysis, and optimization for general. High end vehicle shape optimization while improving car safety for fixed performance level and given geometric constraints reference. This is an introductory course for using optistruct for finite element analysis on fatigue. Altair optistruct is an industry proven, modern structural analysis solver for linear and nonlinear simulation. Pdf optistruct 2017 tutorials and examples gonzalo. 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. Traditional optimization of composite structures results in ply thickness and sizing, recent advances in the optimization techniques enabled free size optimization which enabled in optimal design of ply shapes which helped in saving weights of the product by creating highly tailored shape of each ply under suitable loading environment.
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