Topology and shape optimization methods using evolutionary. Application to a rear lower control arm acknowledgements first of all i want to thank my supervisor iris blume for her support and helpfulness with the thesis work. Topology optimization is a new feature added to solidworks simulation in 2018. So sit back, fire up your copy of solidworks 2018, and lets crack on. Topology optimization of a plate in this tutorial, you set up a topology study with the goal to find the best strength to weight ratio of a plate while reducing its mass by 50%. For structural mechanics problems, maximizing the stiffness is the same as minimizing the compliance. Application of topology, sizing and shape optimization. I would also like to thank my academic supervisor associate professor h akan johansson for his inputs and thoughts on the work.
It enhances the concept development process by enabling simulationdriven design to increase your products efficiency, strength and manufacturability. We will explore the setup process for topology optimization and contrast the results with. Topology optimization is a tool for nding a domain in which material is placed that optimizes a certain objective function subject to constraints. You create a topology study to examine optimized shapes of a steel plate fixed on. A practical study on optimizing solidworks performance through hardware and settings. Altair inspire software is the industrys most powerful and easytouse generative design topology optimization and rapid simulation solution for design engineers.
With this tool, you can automatically find the optimal designthe design that is as light as possible while still being strong enough to hold up to whatever its job might be. Endersby notes that this is something we should expect to see in future releases. Solidworks 2018 topology optimization tutorial 3d cad. Topology optimization is one of the biggest additions to solidworks simulation 2018. Cati wrote an excellent white paper on maximizing solidworks performance, which is a mustread for every cad user. To is different from shape optimization and sizing optimization in the sense that the design can attain any shape within the design space, instead. Suresh noted that, paretoworks makes it very easy for solidworks users to carry out topology optimization, within the comfort of their cad. Topology optimization like sko soft kill option are kind of cao computer aided optimization tools to generate freeform shaped parts based on biological optimization rules.
These results show which areas you need to keep and where material can be removed, based on the applied loads. For this tutorial, we are going to use a generic bracket that i have modeled see figure 1. An indepth look at solidworks topology optimization. In this webinar you will find out how you can maximize and optimize the performance of your products with simulation by optimising your existing solidworks 3d geometry with the use of simulia. Topology optimisation software materialise 3d printing. Three years ago josh altergott and adrian fanjoy of computer aided technology, inc. Finding a structures best design with topology optimization. Learn what is topology optimization, how to setup an analysis using. Topology optimization lets you specify where supports and loads are located on a volume of material and lets the software find the best shape.
Solidworks 2018 topology optimization tutorial please like and subscribe to my channel. Paretoworks is a solidworks addin that allows engineers to perform topology optimizations on their parts based on stiffness or strength. These methods address the topology, or shape, of a structure and can strategically carve away material that does not carry significant load. Webinar topology optimisation using solidworks and simulia. Topology optimization comes to solidworks, catia and simulia. However, there is an opportunity for a hybrid approach with solidworks simulation. It allows you to obtain the best solution in terms of weight, cost or performance. Learn about the topology optimization tool in solidworks. A drawback to the solidworks topology optimization tool is that it currently lacks a strengthtoweight ratio topology optimization. Available in solidworks simulation professional and solidworks simulation premium. A topology study performs nonparametric topology optimization of parts. Hi all, im working on a project using topology optimization for a parking garage. From my vague recollections, in recent releases from solidworks, solid edge, nx, creo and inventor, weve seen topology optimisation tools in some form or another.
Some topology optimization tools grow parts from scratch. Go from napkin sketch idea to an optimal design by using the topology optimization tool in solidworks simulation. Topology optimization is a nextgeneration software tool that reduces the weight of an indicated space, taking into account the material properties and a fixed set of loads on the design space. If i think back over the last year or so, one key trend has emerged from the 3d design and cad industry. Structural topology and shape optimization chalmers. Solidworks 2018 also includes a new tool called topology which is a design guide and study type that adds simulia technology to the simplicity of a typical simulation set up. Starting with a maximum design space which represents the maximum allowed size for a component and considering all applied loads, fixtures, and manufacturing constraints, the topology optimization seeks a new material layout, within the boundaries of the maximum allowed. It takes minimal inputs from a userloads, design space. Solidworks noted that certain surface areas had extremely low stress values, which was the main.
This thesis considers topology optimization for structural mechanics problems, where the underlying pde is derived from linear elasticity. This will help you find the best strength to weight ratio, minimize the mass, or reduce the maximum displacement of a component. 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. The software, named paretoworks, will determine the least amount of material a part needs to handle specific loads. The future of solidworks topology optimization tool. Today, we are going to take a look at topology optimization in more detail, and i will guide you through the steps in a tutorial. Learn how design and manufacturing constraints factor into the process and understand realworld performance with a strength test. 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 comes to solidworks engineers rule. 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. In other words, topology optimization can be an additive or subtractive algorithm. First released in 20, the new webbased version will operate in. Solidworks 2018 includes the addition of topology optimization, as we touched on in this article. 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.
In this webinar you will find out how you can maximize and optimize the performance of your products with simulation by optimising your existing solidworks 3d geometry with the use of simulia abaqus and simulia tosca for. Simulation optimization analysis video solidworks video reducing weight and improving performance are key goals in most design projects to minimize costs. Learn about the topology optimization tool in solidworks simulation for stiffness optimization. Join the grabcad community today to gain access and download. There are addins available that allow designers to optimise within the solidworks interface, such as truform sw, which eliminates the step of going to another software a tool such as this is aimed at cutting down the design time, and making. The university of wisconsinmadison has just released a free topology optimization plugin for solidworks. Solidworks simulation topology optimization youtube.
In my opinion, topology optimization is the most powerful optimization tool for a design engineer. Bracket brake brembo bridge caliper car casting cfrp frame free hybrid interpretation machining magnesium mesh. How to optimize your parts automatically with solidworks. Topology optimization has evolved rapidly since the late 1980s. The new solidworks topology optimization tool is an innovative technology that allows users to run a simulation that removes weight. First, you have to create a design space in cad the volume you want to optimize and import the model to the optimization software. As mentioned before, in regards to the objective function, we want to maximize the stiffness of the beam. The intel network sparse is not supported for topology studies. I had been following topology optimization technology for years before it got added to solidworks simulation, looking over results produced from simulia tosca where the underlying technology for this simulation module came from, as well as doing my own experimenting with some 2d optimization tools.
This paper studies the use of altairs finite element based topology, sizing and shape optimisation tools for design of aircraft components. Here we list the topology optimization software that we are aware of in alphabetical order abaqus. The recommended solver with faster performance for multiple load cases is the intel direct sparse. The benefit of topology recognition is that it recognizes manufacturing features that model recognition cannot, such as slots, notches, and pockets. Topology optimization modules have been developed and integrated into many contemporary cadcae computer aided engineering software. However, there is no way to easily turn the mesh result into a cad geometry at this time. The resulting topology image can be overlaid onto the cad model to make it easier to modify the design. Im currently using vrand design studio for genesis. Only topology recognition is used for features on imported bodies.
Solidworks 2018 introduced users to a number of enhancements that makes using solidworks simulation faster and easier than ever before. However, topology optimisation methods may still have a place as new sizestypes of aircraft are designed and as new materials and manufacturing processes continue to appear. Others chisels away at an old design until a new optimum is revealed. The optimization of the geometry and topology of structures has a great impact on its performance, and the last two decades have seen an exponential increase in publications on structural optimization. Use a topology study to explore design iterations of a component that satisfy a given optimization goal and geometric constraints. The best part about the new topology study in solidworks 2018 is that you can even display the study results on top of the model, when working in the model tab viewdisplaysimulation display. This is a bit of an oversight, as solidthinkings inspire already has this ability. Pdf optimizing weight of housing elements of twostage. Topology optimization addin for solidworks engineers rule. Using tosca pology you will be able to boost innovative designs within a significantly shorter development time. Solidworks 2018 topology optimization tutorial grabcad. You can now easily perform lightweighting of structures, extract cad shapes and quickly verify the optimized design. Topology optimization is your preferred tool in early product development states.
The grabcad library offers millions of free cad designs, cad files, and 3d models. I too am struggling with finding the right program. What is the best open source topology optimization software. Learn what is topology optimization, how to setup an analysis using solidworks simulation and how to use the results to create meaningful geometry. This has mainly been due to the success of material distribution methods, originating in 1988, for. The software selects the solver to run a topology study.
Optimizing weight of housing elements of twostage reducer by. It offers conceptual design for lighter and stiffer structures. Topology optimisation using solidworks and simulia tools is the free webinar which simuleon will be hosting on friday the 8th of july at 10. Solidworks 2018 includes the addition of topology optimization.
Starting with a maximum design space which represents the. This software uses simulation and optimization algorithms to lightweight parts without sacrificing the structural integrity of. In this webinar recording, silvio perez, simulation product manager, will take an indepth look at how a topology study will allow you to set a design goal. What optimization software do engineers use during the. Topology study in solidworks simulation professional lets you focus on validating the design function. So, topology optimization must sound magical to many design engineers. Topology features update if you make geometry changes, but new instances are not added to pattern features. By contrast, solidworks simulation optimization works with dimensional criteria.
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