Pdf analysis and topological optimization of motorcycle. Ansys ansys ansys ansys ansys ansys ansys aim mechanical mechanical mechanical pro designspace autodyn lsdyna enterprisepremium l fully supported p limited capability p requires more than 1 product 3 nonlinear transient dynamics rigid body mechanisms l l rigid body dynamics with cms l components for flexible bodies. Topology optimization ansys e learning cae associates. It is necessary to apply difficult mathematical and mechanical tools for. Topology optimization of a bell crank using ansys mechanical. For the love of physics walter lewin may 16, 2011 duration.
So it is completely worth having a look at topology optimization in ansys. The problem taken to exemplify this is that of minimizing the pressure drop in a pipe contraction. Developing topology optimization with additive manufacturing constraints in. Topology optimization in ansys mathematical optimization. Topology optimization driven design development for automotive components ronald j. Genesis topology for ansys mechanical gtam is an integrated extension that adds topology optimisation to the ansys environment as shown in figure 1 and 2. The present study aimed to use topological optimization processes present in ansys software coupled with genetic algorithms and statistical methods, software modefrontier, analyze and get an optimal form for the wheels used in aircraft cargo to aerodesign sae competitions. By adding a cu stom topology optimizer within ansys. R17 ansys topology optimization is a free act extension that can be used with any workbench based ansys mechanical solver. Block a is the standard static structural analysis on the original, starting geometry. Ansys mechanical has inbuilt topology optimization to enable engineers and designers to easily determine where material is needed and where it. Jun 24, 2019 abstractthis paper studies the topological optimization of all terrain vehicle atv brake pedal for minimum mass without compromising factor of safety. Additive manufacturing, topology optimization and ansys. Number of research papers published by various authors 120192 indicates the significance of the topic.
The ansys capability uses the proven ansys solvers, including hpc capability for efficient solves. Nov 28, 2018 i would like to do a topology optimization of an assambly of two parts as shown below. Agenda optimization using ansys designxplorer overview doe design of experiments response surface goal driven optimization gdo. The result of the topolgy optimization of the blade it is a shell body with no material inside but only i thin surface, that is the esclusion region.
The optimization is initialized by creating an ansys command input file and submitting it as a batch job. Topological optimization using ansys due to the educational aspect of the code produced by sigmund, and the consequent threedimensional implementation, the code lacks the required computational efficiency to handle higher resolution and a larger number of elements. It includes varying thickness of the lattice members as part of the optimization. Learn the basics of topology optimization in ansys workbench and see how to up, solve, and interpret the results. Ansys advanced analysis techniques guide ansys release 10. All the structures are topologically optimized using ansys software and the. Topology optimization of 3d structures using ansys and matlab. Ansys workbench topology optimization of disc wheel using ansys workbench. Ansys, ansys discovery live, topological optimization, topology optimization for those who are not already familiar with it, discovery live is a rapid design tool. Ansys user meeting each iteration of the optimization has to solve all of the load steps in the static structural model there is a time consuming task of solving the solution using the optimization solver as well.
Our research team is working on topology optimization when uncertainties are involved, which, in other words, may say that our research interest is just the combination of the theory of topology. Ansys mechanical topology optimization with two am overhang. The tools within ansys mechanical for topology optimization are fast, easy to use and included with all current licenses of the ansys mechanical product family. Zengxiangliang 8 carries out the topological optimization based on ansys workbench for the gantry of the three gorges dam, maximum stress decreased by 26. Pdf this article is based on modification of front wheel of motorcycle. Sep 06, 2015 a brief introduction to design parameter optimization based on cfd simulations is presented here. Type 1 and type 2 elements driven by boundary conditions in workbench preprocessing commands can change defaults.
Topology optimization in ansys r18 using examples of bridges. Topology optimization is wellsuited to fully exploit the design freedom. Topological optimization a nd genetic algorithms used in a. Jan 23, 2020 our research team is working on topology optimization when uncertainties are involved, which, in other words, may say that our research interest is just the combination of the theory of topology. The current topology optimization tools in ansys do not support optimization. Ansys r17 topological optimization application example. Ansys software which gives the optimum topology of the.
Introduction conveyor chain is the major mechanical material handling system which is used in todays industry. Secondly, the topology optimization design of the arm bracket is implemented based on ansys workbench. Finally, meeting the stiffness requirements, the optimal topology shape will be established, for it had the lightest weight. Analysis and topological optimization of twowheeler rear wheel. Ansys has had topological optimization capability both in mechanical apdl and workbench in the past, but the capabilities as well as the applications at the time were limited, so those tools eventually died off. Topological optimisation with fea finite element analysis. Liu kai and tovar andres, an efficient 3d topology optimization code written in matlab, structural and multidisciplinary. The optimization design of arm bracket structure topology. Qi xiaodong7 uses ansys workbench for the multidisciplinary optimization design of turbine disk, and good optimization results were obtained.
Ansys employs topology optimization using the solid. Here we see the workflow in the ansys workbench project schematic. June 15, 2018 ansys confidential ansys simulation solution from topology optimization to metal additive manufacturing process. Ansys workbench plugin major selling point gtam has been used by a few gehc business unit engineers, more frequently is applied by corporate central team as an engineering service topological optimization at ge healthcare gehc design space optimized shapes portable ultrasound base structure. Topology optimization of an allterrain vehicle brake pedal. We plan to release commercial tested with a native workbench interface at r18.
Finite elements analysis and multiobjective optimization. Pdf topological optimization of 3d structures by optimality. Geometric variation is achieved by reconstruction of an individual geometry based on a given set of parameters geometry parameters are varied automatically within a given range optional variants ign. Dec 04, 2018 one of the great new features in ansys mechanical 19. To lose weight as optimal objective,by using the topological optimization function of ansys software, and take into account the stress condition and manufacturing process, the structure of the workbench was improved, the static stiffness was the same as original design. Installing the extension to install the extension, the user needs to open ansys workbench, and select. Application of topology optimization in modern additive.
We plan to release commercial tested with a native workbench. Basic introduction to design optimization in ansys workbench. Keywords optimality criterion, simp, topology optimization, pseudodensities and compliance minimization 1 introduction. Topology optimization of sheet metal brackets using ansys. This includes all load cases needed to describe the operating environment. Ansys workbench, breaking load, shape optimization, structural analysis, topological approach. Topology optimization to torque arm in landing gear system. In ansys mechanical i just find the option to define the am overhang constraint for the entire optimization space. This paper introduces a design of crank case cover using topology optimization powered by ansys workbench and to study thermal effects on the optimized model. Aug 04, 2017 here we see the workflow in the ansys workbench project schematic.
Workbench, custom apdl code can be injected into a. Topology optimization in ansys mechanical allows you to. Topology optimization driven design development for. Another huge plus is the fact that ansys spaceclaim is linked right in to the process, allowing us to much more easily make the optimized mesh shape produced by a topological optimization into a more cad representation set for use in validation. Agenda optimization using ansys designxplorer overview doe design of experiments response surface goal driven optimizationgdo. In this video, you will learn the process of reducing component weight while maintaining strength using topology optimization method. The three dimensional solid model of a pedal is created using solidworks 2019 and static structural analysis and topology optimization, geometry modification is done using ansys 18. Analysis and topological optimization of motorcycle front wheel.
With additive manufacturing, it has become much easier to make parts with the organic shapes resulting from topological optimization. Block c is a validation study, performed on the optimized geometry. Ansys mechanical offers robust size, shape and topology optimization, to help users realize their product promise. Topological optimization case histories at ge healthcare. It is obviusly that this kind of body cannot support the pressure acting on it, and think that the max vonmises stress is applied only in the sidesign region. Pdf this work provides a computational model for the topology optimization of. Ansys topology optimization upgrades designs to take full. Pdf topological optimization of continuum structures. Ansys mechanical has builtin topology optimization so engineers can easily determine where material can be removed for effective lightweighting of components.
I have to write a seminar paper, using ansys workbench to perform a topology optimization with composite material. The time to solve consecutive iterations grew each step in this model the result is qualitatively what is expected. The parts must be build in two pieces and for reasons the build direction of part 1 and part 2 are in different directions. Accomplished as an option within topology optimization, lattice optimization allows us to generate a lattice structure within our region of interest. Take into account multiple static loads combined with optimizing for natural frequencies modal analysis satisfy requirements for minimum material thickness observe rules around feature direction for machining operations for example have scope for both cyclic and planar symmetry.
So, it is very important to study about its failure and try to save it from failures. Oct 05, 2018 topological optimization with an example, by phil jones, penn state erie, lecturer in the mechanical engineering technology department mechanical engineering technology students at penn state erie the behrend college in erie, pa are exposed to a number of the analysis systems within workbench during the finite element applications ii. Optimization problem is based on a parameterized geometry cad, preprocessor. Firstly, the dimensional model of the cylinders arm bracket portion will be created. The doe design of experiments approach may not be feasible if the designs shape is not yet defined, while creating cad models to capture all the potential. Topology optimization of turbine manifold in the rocket engine. Topology optimisation is used at the concept level of the design process to create a conceptual design proposal that is then finetuned for performance and manufacturability. Topological optimization design of the vertical machining. Ansys simulation solution from topology optimization to. Microsoft powerpoint topology optimization in ansys 18x by john lin author. Ansys multiphysics solutions offer a portfolio of software that provides powerful simulation tools for solving industrys toughest multiphysics.
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