A solid block of material composed of 3d or hexahedral elements is subjected to two load cases. In this white paper, learn how you can configure freely without requiring any custom development, and quickly update configurations as your needs evolve. Nx nastran design optimization input and output looks like. In this video, youll learn how to use the topology optimization tool in nx to produce a 3dprinted part. A simple topology optimization example with md r2 patran by. The nx femap topology optimization course offers the theoretical and practical aspects of design optimization using the nx femap topology optimization capabilities. Here each element in fe model is given an additional property of relative density. To view all of the information about the supported scenarios and elements, enlarge the dialog box until the scroll bars disappear. Topology optimization with simcenter 3d and nx nastran can help you find the best lightweight shape for your parts that will still meet. The commercial use of nastran has helped to analyze the behavior of elastic structures of any size, shape, or purpose. The remainder of this guide will only apply to size optimization. Minimizing mass with stress and displacement constraints an msc nastran sol 200 tutorial. The traditional method of performing topology optimization involves minimizing the compliance and imposing a constraint on the weight or fractional mass of the design. Femap topology optimization fact sheet novasystem srl.
Topometry optimization topography optimization shape optimization size optimization topology optimization. Nx nastran topology optimization with sol101 nastran. Uses for topology optimization results topology optimization is not the finish, for many parts its just the start. With the same topology optimization, the user can have a mix of analysis subcases selected from the following types. Siemens femap with nx nastran fea software, fem finite element analysis program call 81822236 for quote free demo consultation. Introduction to nastran sol 200 design sensitivity and. Nx nastran topology optimization with sol101 nx nastran topology optimization with sol101 fite mechanical op 6 apr 17 12. The objective of most common topology optimization problems is to find the minimum.
Nastran sol 200 tutorial topology optimization multidiscipline. The antitrust settlement allowed the 2003 purchase of a royaltyfree, perpetual license for the msc. Nastran sol 200 tutorial topology optimization topology. Nastran topology optimization product module provides the capability to find an optimal distribution of material, given the design space, boundary conditions, loads, and required design performance. You get to enjoy an easytouse webbased html and pdf documentation and assistance all with a very affordable femap price. Nx nastran, msc nastran, optimization, design optimization, sensitivity analysis, cae, simulation, finite element analysis, fea, solver created date. A special option is available to specify a stress constraint for topology optimization. Topology optimization with simcenter 3d and nx nastran can help you find the best lightweight shape for your parts that will still meet your. Simcenter nastran topology optimization the design areas can be 2d shell or 3d solid elements, and the scenery can be any simcenter nastran element types supported by the selected analysis types.
Hello all, apologies for this but as mentioned above, topology optimization is not currently supported in nastran incad nic. In kyles example, he has a bracket part to demonstrate the topology optimization tool. Help documentation for topology optimization refers to design sensitivity and optimization for simcenter nastran optimization and nothing at all to do with nx topology optimization for designers. Femap topology optimization is a module for nonparametric structural topology optimization analysis that functions in combination with the. Sizing, shape, topology, topography and topometry optimization simultaneously to find possible better designs ability to run multiple optimization methods simultaneously optimization to meet special constraints that include symmetry, cyclic symmetry and manufacturing constraints. There are numerous techniques available to solve such a problem, all of which. Nov 17, 2014 the best in class tools, clarified hemmelgarn, pointing to siemens highend cad solution, nx, as one such tool. A new approach for sizing, shape and topology optimization. How to formulate a structural topology optimization problem in msc nastran.
This presentation will focus on the newly developed topology optimization technology now being used in autodesk nastran incad software and also found in autodesk nastran standalone, fusion 360 ultimate software, inventor simulation software, and dreamcatcher software. Introduction to nastran sol 200 design sensitivity and optimization presented by. The optimization addon functionality allows users to perform design optimization and sensitivity analysis. In the generally slowgrowing cad market, siemens had an amazing breakthrough when daimler decided to swap out dassaults catia v5 in favor of nx a couple years ago. A number of examples are provided to illustrate the use of topology optimization in msc nastran. Nx nastran advanced nonlinear solution 601701 fact sheet. In addition, if you change the objective after you created constraints, you must manually remove any constraints that use an unsupported constraint type for the new objective. Nx nastran design sensitivity and optimization users. Geometric optimization of a tuning fork in nx nastran. A simple topology optimization example with md r2 patran. Size and topometry optimization topology optimization global optimization multi model optimization the web app also features the hdf5 explorer, a web. Generative designs are becoming increasing utilised with the adoption of tools such as topology optimisation that provide the best design from a set of targets and constraints. Overview of approximation concepts used in structural optimization. Topology optimization is used to minimize the mass.
Apr 27, 2018 simcenter nastran topology optimization for analysts. Use for further design or simulation using convergent models. To achieve a required tone it is needed to determine the exact dimensions of a tuning fork with regard to the material used for its manufacturing. Siemens femap with nx nastran singapore fea finite. Learn the basics to get started and then master techniques that help you get the most out of nastran. Femap with nx nastran singapore siemens fea finite. It results in 25 mm, although i set a constraint for it to be not hight than 3 mm. Femap can preform topology optimization in static and mo dal analysis by using tosca structure by fe design, ger many, along with a licensed copy of nx nastran. Msc simcompanion users guide for topology optimization. See nx nastran topology optimization in the nx nastran 11 release guide for the objective input description. Ugs was previously the unigraphics division of eds. Topology optimization generates inno vative designs for new.
A parallel objective of this guide is to empower the user with specific and sufficient tutorials to completely define a topology optimization problem in patran and also to visualize the results with the advanced postprocessor provided by patran. Design sensitivity coefficients are used in nx nastran to assist the optimizer in this search process. Several examples will be given of how structural topology optimization can be used as an addon module in existing cae environments however, from an academic point of view an addon module. Nx simcenter 3d v12 benefits reduce part weight and increase strength through new topology optimization in nx nastran bring legacy mesh data to life by con. How to use topology optimization designer, nx12 siemens. It results in 25 mm, although i set a constraint for it. Nx nastran topology optimization with sol101 nastran engtips. Nastran software application was written to help design more efficient space vehicles such as the space shuttle. Nastran several optimization libraries are available like bigdot or mscads. Nx cad to use as a starting point for refining the initial concept model into a manufacturable component. Femap topology optimization is a module for nonparametric structural topology optimization analysis that functions in combination with the nx nastran solver. Apr 07, 2016 geometric optimization of a tuning fork in nx nastran. Nastran was released to the public in 1971 by nasas office of technology utilization. Many times i hear complaints that a certain model is running slow, and the first thing many engineers think of is that they need new hardware.
However, the optimized geometrys displacement is way too high. Femap with nx nastran enables fea engineers access to a much greater depth of fea analysis capability to simply and efficiently. Incorporation of topology optimization capability in msc. Siemens pl flagship digital design software latest release nx 12 is the only soft provides embedded topology. Topology and shape optimization can be used to automate the improvement of structural designs by, for example, minimizing weight while observing displacement or other. Topology optimization optimizes the topology by, for example, making holes in the component. Paper deals with the process of proposal and design optimization of a common tuning fork by using nx nastran software.
Oct 10, 2018 mustafa thanks for the video, i seen other videos and. Femap topology optimization mathematical optimization. Nastran design optimization product module and extends msc. Many opportunities exist to use the topology optimization results. How to formulate a structural topology optimization problem. Geometric optimization is an ideal design tool for this purpose. Design optimization structural design and analysis. Femap with nx nastran fea software, fem finite element analysis program call 81822236 for quote free demo consultation.
Topology design optimization processor parameters nastran. The support with femap is also out of the scope of nic support and we are not currently in the position to share the document. Nx 12 topology optimization and convergent modelling. I did the siemens tutorials and tried to reproduce the same steps for another geometry that i created.
An optimizer is really nothing more than a formal plan, or algorithm, that is used to search for a best design. Simcenter nastran topology optimization for analysts youtube. Compatible solution sequences include statics, modes, linear buckling, modal frequency and. How to use the topology optimization tool in nx prolim. Choose optimization tab nx nastran topology optimization group setup. Announcement on siemens plm topology optimization products. The following topics describe the topology design optimization. Im facing two problems with the design optimization. How to create designs using topology optimization in nx duration. Sda webinar introduction to nx nastran sol 200 design. Choose optimization tabnx nastran topology optimization group setup. Shape variables are tied finite element grid points sizing variables are tied to finite element properties. Equation objective with subcase spanning responses.
I am a new user of the topology optimization nx nastran version 12. Topology optimization workflow integrated into simcenter 3d engineering desktop to aid the model construction and post processing of the results. Nx nastran tutorial improving nx nastran performance. You get to experience an easytouse onlinebased html and pdf documentation and help all with a very affordable femap price. Based on industry proven optimization architecture sol200. How to use topology optimization designer, nx12 siemens youtube. Both codes might differ slightly in performance considering the nature of the. A topology optimization of a motorsport safety device. Speeds up design iteration of lighter, stronger parts with topology optimization. Msc nastran topology optimization minimizing mass with. The following topics describe the topology design optimization processor parameters.
We will begin with an introduction of how topology optimization works, and then well focus on the autodesk nastran incad. Simcenter 3d nastran topology optimization duration. How to formulate a structural topology optimization. This fact sheet provides an overview of ugs nx nastran optimization capabilities. Topology optimization the sol 200 solution sequence also includes topology optimization and is supported by femap version 12. Nx nastran optimization all optimization and sensitivity can be done simultaneously in one nx nastran run. The real benefit is that the initial design is based on calculated product performance results rather than educated guesswork, and topology optimization will help you develop products right the first time. The solution, designed for advanced analysts, supports static and. The femap software with simcenter nastran software package seamlessly combines the sophisticated capability of the windowsnative femap pre and postprocessor with the highly powerful simcenter nx nastran solver. Siemens femap with nx nastran and simcenter software from siemens plm software singapore office helps to address highly complex product engineering by offering revolutionary improvements in fea simulation efficiency. Rivello the johns hopkins university applied physics laboratory 8621 georgia avenue o silverspring, maryland o 20910 operating under contract n0001772c4401 with the department of the navy approved for public release. In nx nastran, design optimization is performed by an optimizer.
In nx nastran, geometry optimization is performed by an nx optimizer tool that is. How to formulate a structural topology optimization problem in. Topology optimization determines an optimum design proposal starting with a given maximum design domain. Multidiscipline optimization this example is optimizing for static analysis and normal modes analysis. The engineering lab 2 this example requires msc nastran 2017 or newer. Share share this awesome discussion with your friends. Simulation and performance engineering simulation engineers can use the new capabilities in the simcenter portfolio and nx nastran software for topology optimization. The solution page displays the name of the active solution, the solution type, and the solver version number. If you were to search nx 1847 nx12, nx11 as well help documentation for topology optimization, it will lead to much confusion. Femap with nx nastran singapore siemens fea finite element. Nastran is an enhanced proprietary version developed and maintained by siemens product. Speeds up design iteration of lighter, stronger parts with topology optimization, generative.
Have you considered trying nx nastran from siemens plm software. Find out how your company can benefit from plm built on salesforce. Analysisversusdesignmodels designmodels incontrast,adesignmodelisanidealizedstatementofchangesthatmightbemadetothestructure. Nx nastran resulted from an ftc action against msc corporation for alleged antitrust activity. In general, topology optimization determines the optimized distribution of material within a given space to create an optimized desi gn. Feb 21, 2018 how to create designs using topology optimization in nx duration. Siemens femap with nx nastran singapore fea finite element.
If you have nx nastran models that take more than a few minutes to run, there are several easy options that may help improve the nx nastran runtime. The approach of topology optimization used in nastran is based on the power law approach first proposed in 2. The msc nastran sol 200 web app includes dedicated web apps for the following. Sauter is an optional finite element module for the efficient sizing. Incorporation of topology optimization capability in mscnastran. I am trying to optimize a circular casing structure for reducing the vonmises stress on it. The approach of topology optimization used in nastran is based on the powerlaw approach first proposed in 2. Generative design with autodesk nastran topology optimization. The recently acquired autodesk nastran generalpurpose finite element analysis fea solver has gained a lot of popularity, and at the center of this is the newly developed topology optimization technology now being used in autodesk nastran standalone, fusion 360 software, and inventor simulation software.
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