Topology optimization determines an optimum design proposal starting with a given maximum design domain. Msc nastran topology optimization minimizing mass with. Speeds up design iteration of lighter, stronger parts with topology optimization, generative. Topology optimization nxn016 and for e518 and e519, the replacements are femap with nx. Femap topology optimization is a module for nonparametric structural topology optimization analysis that functions in combination with the nx nastran solver.
Siemens femap with nx nastran singapore fea finite element. Sda webinar introduction to nx nastran sol 200 design. The following topics describe the topology design optimization. Size and topometry optimization topology optimization global optimization multi model optimization the web app also features the hdf5 explorer, a web. Analysisversusdesignmodels designmodels incontrast,adesignmodelisanidealizedstatementofchangesthatmightbemadetothestructure. We will begin with an introduction of how topology optimization works, and then well focus on the autodesk nastran incad. The antitrust settlement allowed the 2003 purchase of a royaltyfree, perpetual license for the msc. In nx nastran, design optimization is performed by an optimizer. Uses for topology optimization results topology optimization is not the finish, for many parts its just the start.
Find out how your company can benefit from plm built on salesforce. 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. The approach of topology optimization used in nastran is based on the powerlaw approach first proposed in 2. Ugs was previously the unigraphics division of eds. The following topics describe the topology design optimization processor parameters. A new approach for sizing, shape and topology optimization. In this white paper, learn how you can configure freely without requiring any custom development, and quickly update configurations as your needs evolve. Apr 07, 2016 geometric optimization of a tuning fork in nx nastran. Nastran sol 200 tutorial topology optimization topology. Siemens femap with nx nastran singapore fea finite. Femap with nx nastran singapore siemens fea finite element. It results in 25 mm, although i set a constraint for it. Topology optimization with simcenter 3d and nx nastran can help you find the best lightweight shape for your parts that will still meet your. Nx nastran topology optimization with sol101 nastran.
How to use the topology optimization tool in nx prolim. See nx nastran topology optimization in the nx nastran 11 release guide for the objective input description. Paper deals with the process of proposal and design optimization of a common tuning fork by using nx nastran software. The remainder of this guide will only apply to size optimization. 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. Nx nastran design sensitivity and optimization users. In kyles example, he has a bracket part to demonstrate the topology optimization tool. Shape variables are tied finite element grid points sizing variables are tied to finite element properties. Nx nastran design optimization input and output looks like. 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. Choose optimization tab nx nastran topology optimization group setup.
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. Incorporation of topology optimization capability in mscnastran. Nx nastran topology optimization with sol101 nastran engtips. The msc nastran sol 200 web app includes dedicated web apps for the following. Simulation and performance engineering simulation engineers can use the new capabilities in the simcenter portfolio and nx nastran software for topology optimization. I am a new user of the topology optimization nx nastran version 12. Use for further design or simulation using convergent models. I am trying to optimize a circular casing structure for reducing the vonmises stress on it. 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. Topology and shape optimization can be used to automate the improvement of structural designs by, for example, minimizing weight while observing displacement or other. Nx nastran advanced nonlinear solution 601701 fact sheet. The objective of most common topology optimization problems is to find the minimum.
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. It results in 25 mm, although i set a constraint for it to be not hight than 3 mm. Choose optimization tabnx nastran topology optimization group setup. Many opportunities exist to use the topology optimization results. 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. Introduction to nastran sol 200 design sensitivity and optimization presented by.
I did the siemens tutorials and tried to reproduce the same steps for another geometry that i created. Nx cad to use as a starting point for refining the initial concept model into a manufacturable component. 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. The approach of topology optimization used in nastran is based on the power law approach first proposed in 2. With the same topology optimization, the user can have a mix of analysis subcases selected from the following types. To view all of the information about the supported scenarios and elements, enlarge the dialog box until the scroll bars disappear. Design sensitivity coefficients are used in nx nastran to assist the optimizer in this search process. Minimizing mass with stress and displacement constraints an msc nastran sol 200 tutorial.
This fact sheet provides an overview of ugs nx nastran optimization capabilities. The commercial use of nastran has helped to analyze the behavior of elastic structures of any size, shape, or purpose. Nov 17, 2014 the best in class tools, clarified hemmelgarn, pointing to siemens highend cad solution, nx, as one such tool. 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. Siemens pl flagship digital design software latest release nx 12 is the only soft provides embedded topology. An optimizer is really nothing more than a formal plan, or algorithm, that is used to search for a best design. Simcenter 3d nastran topology optimization duration. 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. 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. If you were to search nx 1847 nx12, nx11 as well help documentation for topology optimization, it will lead to much confusion. Siemens femap with nx nastran fea software, fem finite element analysis program call 81822236 for quote free demo consultation. The nx femap topology optimization course offers the theoretical and practical aspects of design optimization using the nx femap topology optimization capabilities. Topology design optimization processor parameters nastran.
In nx nastran, geometry optimization is performed by an nx optimizer tool that is. In general, topology optimization determines the optimized distribution of material within a given space to create an optimized desi gn. How to formulate a structural topology optimization. Femap topology optimization is a module for nonparametric structural topology optimization analysis that functions in combination with the. You get to experience an easytouse onlinebased html and pdf documentation and help all with a very affordable femap price. Oct 10, 2018 mustafa thanks for the video, i seen other videos and. Sauter is an optional finite element module for the efficient sizing. Topology optimization generates inno vative designs for new. 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. Topology optimization is used to minimize the mass. A simple topology optimization example with md r2 patran by. Introduction to nastran sol 200 design sensitivity and. Nastran software application was written to help design more efficient space vehicles such as the space shuttle.
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. Generative design with autodesk nastran topology optimization. A special option is available to specify a stress constraint for topology optimization. Both codes might differ slightly in performance considering the nature of the. Have you considered trying nx nastran from siemens plm software. However, the optimized geometrys displacement is way too high. Simcenter nastran topology optimization for analysts youtube. Topology optimization works best when working with a. 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. An addon module of nx nastran basic, the advanced nonlinear solver is an integration of the wellknown and highly regarded adina solver into nx nastran as solution 601 for implicit solutions or solution 701 for explicit solutions. Nx nastran topology optimization with sol101 nx nastran topology optimization with sol101 fite mechanical op 6 apr 17 12. How to formulate a structural topology optimization problem in. Msc simcompanion users guide for topology optimization.
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. Nastran is an enhanced proprietary version developed and maintained by siemens product. Here each element in fe model is given an additional property of relative density. How to create designs using topology optimization in nx duration. Topology optimization with simcenter 3d and nx nastran can help you find the best lightweight shape for your parts that will still meet. Incorporation of topology optimization capability in msc. Learn the basics to get started and then master techniques that help you get the most out of nastran. Topology optimization workflow integrated into simcenter 3d engineering desktop to aid the model construction and post processing of the results. A solid block of material composed of 3d or hexahedral elements is subjected to two load cases. Nastran several optimization libraries are available like bigdot or mscads. A number of examples are provided to illustrate the use of topology optimization in msc nastran. Topology optimization optimizes the topology by, for example, making holes in the component.
How to formulate a structural topology optimization problem in msc nastran. The solution, designed for advanced analysts, supports static and. Nx nastran tutorial improving nx nastran performance. Design optimization structural design and analysis. Geometric optimization of a tuning fork in nx nastran.
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. A topology optimization of a motorsport safety device. Compatible solution sequences include statics, modes, linear buckling, modal frequency and. Speeds up design iteration of lighter, stronger parts with topology optimization. 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. 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. You get to enjoy an easytouse webbased html and pdf documentation and assistance all with a very affordable femap price. Femap topology optimization mathematical optimization. Topometry optimization topography optimization shape optimization size optimization topology optimization. How to use topology optimization designer, nx12 siemens youtube. How to formulate a structural topology optimization problem. Feb 21, 2018 how to create designs using topology optimization in nx duration.
Equation objective with subcase spanning responses. Im facing two problems with the design optimization. Nx 12 topology optimization and convergent modelling. 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. Geometric optimization is an ideal design tool for this purpose. Nx these validation tools help with data preparation and ensure the printability of the designed parts. How to use topology optimization designer, nx12 siemens. Femap with nx nastran enables fea engineers access to a much greater depth of fea analysis capability to simply and efficiently. Nastran sol 200 tutorial topology optimization multidiscipline. Nx nastran, msc nastran, optimization, design optimization, sensitivity analysis, cae, simulation, finite element analysis, fea, solver created date.
Announcement on siemens plm topology optimization products. The engineering lab 2 this example requires msc nastran 2017 or newer. Overview of approximation concepts used in structural optimization. There are numerous techniques available to solve such a problem, all of which. Nastran was released to the public in 1971 by nasas office of technology utilization.
Femap with nx nastran singapore siemens fea finite. Femap with nx nastran fea software, fem finite element analysis program call 81822236 for quote free demo consultation. Nastran design optimization product module and extends msc. Nx nastran optimization all optimization and sensitivity can be done simultaneously in one nx nastran run. Share share this awesome discussion with your friends. Apr 27, 2018 simcenter nastran topology optimization for analysts. Topology optimization the sol 200 solution sequence also includes topology optimization and is supported by femap version 12. 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. Hello all, apologies for this but as mentioned above, topology optimization is not currently supported in nastran incad nic. Multidiscipline optimization with a mix of solution types in the same. Nx nastran resulted from an ftc action against msc corporation for alleged antitrust activity.
777 1283 729 664 438 1510 1356 1049 1194 1539 1132 1026 1201 163 481 1007 553 1341 63 1426 1176 814 139 108 194 1205 714 1114 598 387 305 732 631 1340 537 827 1451 519 564 526 863 497 328 185 1371 1436 1379