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. Choose optimization tabnx nastran topology optimization group setup. It results in 25 mm, although i set a constraint for it. I am a new user of the topology optimization nx nastran version 12. Announcement on siemens plm topology optimization products. Based on the simcenter nastran sol 200 solution, simcenter nastran topology optimization software offers the capability to optimize many different criteria based on linear statics, modal and buckling analysis, to genuinely support generative engineering. Sneak peek at simulation improvements for nx cae 11. Siemens femap with nx nastran is a cost effective, high performance finite element analysis modeling tool for engineers. Apr 07, 2016 in nx nastran, geometry optimization is performed by an nx optimizer tool that is based on software called altair hyperopt. You define your design space, in terms of features that need to be maintained, a geometry area that will. All good, like most cad systems have their strengths and weaknesses.
The nx femap topology optimization course offers the theoretical and practical aspects of design optimization using the nx femap topology optimization capabilities. Topology optimisation software materialise 3d printing. It results in 25 mm, although i set a constraint for it to be not hight than 3 mm. Topology optimization tools take inputs such as the area the part will fit into, loads, material and assembly connections. Some other software used are nx frustum or nx nastran from siemens, msc nastran from msc software, ansys mechanical from ansys. Abaqusatom, genesis, nx topology optimization, optistruct, tosca, and so on.
Topology and shape optimization can be used to automate the improvement of structural designs by, for example, minimizing weight while observing displacement or other constraints for either static or dynamic models. When setting up a sol401 analysis in nx nastran, i can set for example the following for nlcntl. Geometric optimization of a tuning fork in nx nastran. How to formulate a structural topology optimization problem in msc nastran. Commercial versions of nastran are currently available from msc software msc nastran, nei software nei nastran and siemens plm software nx nastran. Topology optimization with simcenter 3d and nx nastran can help you. Apr 27, 2018 topology optimization with simcenter 3d and nx nastran can help you find the best lightweight shape for your parts that will still meet your performance requirements. Simulation and performance engineering simulation engineers can use the new capabilities in the simcenter portfolio and nx nastran software for topology optimization. Topology design optimization processor parameters nastran. This screen cast is taken from our online seminar held on december 2, 2010. The solution page displays the name of the active solution, the solution type, and the solver version number. Nx cad to use as a starting point for refining the initial concept model into a manufacturable component. Nx topology optimisation module follows an expected workflow for these types of things. 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.
I work at fedesign, the software company behind tosca. Nx nastran optimization software relieves the burden involved in improving product designs by automating the iterative process of comparing your designs performance against its performance specifications. The tstep1 data is required to be set at load case level. You can combine femap with a wide variety of cad systems and finite element analysis solvers, including the industryleading nx nastran application, to deliver a comprehensive computeraided engineering analysis solution that helps ensure that products perform as designed in realworld environments. Femap topology optimization is a module for nonparametric structural topology optimization. Jun 01, 2012 topology optimization is available in a number of tools. Users guide for topology optimization msc software. Nx these validation tools help with data preparation and ensure the printability of the designed parts.
Topology optimization determines an optimum design proposal starting with a given maximum design domain. To view all of the information about the supported scenarios and elements. I did the siemens tutorials and tried to reproduce the same. Msc nastran is a multidisciplinary structural analysis application used by engineers to perform static, dynamic, and thermal analysis across the linear and nonlinear domains, complemented with automated structural optimization and award winning embedded fatigue analysis technologies, all enabled by high performance computing. An optimizer is really nothing more than a formal plan, or algorithm, that is used to search for a best design. Jul 17, 2016 nx 11 nx topology optimisation module follows an expected workflow for these types of things.
Design optimization structural design and analysis. Simcenter nastran topology optimization for analysts. 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. Hello all, apologies for this but as mentioned above, topology optimization is not currently supported in nastran incad nic. Siemens femap with nx nastran overview digital engineering. The nx topology optimization course offers the theoretical and practical aspects of design optimization using the nx topology optimization capabilities. Hyperopt uses a quadratic polynomial that is found and updated for each of the iterations. Nx nastran topology optimization with sol101 nastran engtips. Nx nastran is a finite element fe solver for stress, vibration, buckling, structural failure, heat transfer, acoustics and aeroelasticity analyses manufacturers as well as engineering suppliers in aerospace, automotive, electronics, heavy machinery, medical device, and other industries have relied on nx nastran software for their critical engineering computing needs for over 40 years. Simcenter nastran topology optimization cosmos italia. New nx nastran sol200 solution type multiple solutions can be run based on the same model to study the effects of different options and values. Frustum topology optimization integrated into siemens nx for. Topology and shape optimization can be used to automate the improvement of structural designs by, for example, minimizing weight while observing displacement or other constraints for either. Femap with nx nastran singapore siemens fea finite element.
Have you considered trying nx nastran from siemens plm software. The altair hyperopt is an adaptive response surface method arsm. 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 ag purchased the former ugs corporation from private equity concerns and their rights to the commercial version of nx nastran in 2006. Keepout there must be no material in that volume during the topology optimization. But topology optimization is just one kind of structural optimization and that, in turn, is only one of five broad classes of optimization technology available to engineers today.
More surface meshing with the mesh toolbox, connections using rbe2 and rbe3, speed improvements, new capabilities in working with surfaces and solids, full featured topology optimization, licensing issues. However, the optimized geometrys displacement is way too high. A number of examples are provided to illustrate the use of topology optimization in msc nastran. Cae software investments summary femap topology optimization is a module for nonparametric structural topology optimization analysis that functions in combination with the nx nastran solver. The following topics describe the topology design optimization processor. Design sensitivity coefficients are used in nx nastran to assist the optimizer in this search process. In this tutorial, you will create a bracket using topology optimization. If additional simulation is required to meet design requirements, materialise 3matic can export the cleaned and redesigned stl file to a range of fea packages such as. Here you can optimize with fe properties and some limited geometry as design variables. The new release will also be offering topology optimization tools for both the nx designer and nx cae simulation analyst. Topology optimization cannot take into account all types of stress on an individual file. Topology optimization a new nx nastran topology optimization product is available for solutions linear static sol101 and modal analysis sol103.
Topology optimization with simcenter 3d and nx nastran can help you find the best lightweight shape for your parts that will still meet your performance requirements. Topology optimization is available in a number of tools. Nastran design optimization product module and extends msc. The raw conceptual design is calculated based on finite element analysis results of loading conditions applied to a fe model of the component package space. Siemens femap with simcenter nastran allows fea engineers in fea consultancy access to a much wider depth of fea analysis capability to easily and. In my first experiment with sol 200 to understand the process, i have used basic design objective compliance to be minimum and basic design constraint specifying range for total weight. How to formulate a structural topology optimization problem in. Support for nx nastran topology optimization whats new in nx8.
Nx nastran topology optimization with sol101 nx nastran topology optimization with sol101 fite mechanical op 6 apr 17 12. The best in class tools, clarified hemmelgarn, pointing to siemens highend cad solution, nx, as one such tool. Nx nastran fe solver analysis modules fea software. Nx nastran topology optimization in simcenter siemens. Nx nastran optimization streamlines and automates that process by using sophisticated algorithms to search the entire design space and find the right combination of parameters that will yield optimal design or performance. However, once an initial subset is mastered, aided by the use of customized toolbars, the toolbox can be logically expanded to achieve a high level of productivity. Femap nastran singapore siemens finite element analysis. I did the siemens tutorials and tried to reproduce the same steps for another geometry that i created.
Topology optimization software offers the capability to optimize. Here we list the topology optimization software that we are aware of in alphabetical order. I am trying to optimize a circular casing structure for reducing the vonmises stress on it. Topology optimization and its seductive biomorphic shapes are what many think of when they hear the term optimization in engineering design. Multistep nonlinear solutions nx nastran solution sequences sol 401 and sol 402 are now supported in femap version 12, allowing you to perform multistep nonlinear analyses using the more flexible subcasebased. The nx nastran design sensitivity and optimization solution is extremely flexible and allows the user to vary the model parameters to minimize an objective function, such as overall weight, given constraints on both the static and dynamic response. What optimization software do engineers use during the design. In a future femap release likely scheduled for this year, we plan to offer topology optimization with an integrated tosca. 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. Siemens has just made this process that much easier by partnering with frustum to incorporate the startups generative design and topology optimization software into. We have an announcement for customers with nx topology optimization nx30554 and femap. It then runs structural simulations, in this case with nx nastran, to come up with an optimal light. You can combine femap with a wide variety of cad systems and finite element analysis solvers, including the industryleading nx nastran application, to deliver a comprehensive computeraided engineering analysis solution that helps ensure that products perform as.
And what ever values i put here will be the time steps used in the analysis. Femap nastran fea software with nx, fem finite element analysis program call 81822236 for quote free demo consultation. In nx nastran, geometry optimization is performed by an nx optimizer tool that is based on software called altair hyperopt. Instead it is the traditional parametric gradientbased optimization with sol 200.
Automating the product performance process traditional buildtest. For a new user, the breadth and depth of functionality can be daunting. Sensitivity and design optimization can be used to automate the improvement of a proposed design. Nastran is an enhanced proprietary version developed and maintained by siemens product. Simcenter nastran topology optimization for analysts youtube. From this point, robust software algorithms are recommended to obtain a high accuracy topology optimization, so i would say that creo 6 and simens nx are the. The bundled external libraries should allow you to build the test programs on linux, windows, and mac os x without installing additional software. Key to the design of 3d printing is understanding the constraints of various am processes, as well as how to create a part that takes advantage of ams unique abilities. It is independent of sol 200 and has its own inputs and license requirement. How to formulate a structural topology optimization problem. Hello, i am a new user of the topology optimization nx nastran version 12. The femap with nx nastran software package seamlessly combines the advanced capability of the windowsnative femap pre and postprocessor with the highly powerful simcenter nx nastran solver. Topology optimization 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 solution, designed for advanced analysts, supports static and.
Incorporation of topology optimization capability in. Nx topology optimization can help you to develop a new component by providing you with optimal design suggestions before detailed designs begin. An optimizer is really nothing more than a formal plan, or algorithm, that is used to search for a best. All of my topology optimization tutorials for msc nastran are at this link. Design optimization refers to the process of generating improved designs. Simcenter software uniquely combines system simulation, 3d cae. In nx nastran, design optimization is performed by an optimizer. Keepinout a feature can be defined as a keepin there must be material in that volume during the topology optimization. Its is good practise to create separate test solutions of the different subcases, then reuse the loads and constraints in the sol200 topology optimization solution. The software minimizes the compliance of the bracket while using only 1030% of the original weight and constraining the frequency of mode 7 to one third of its original value. The solution can optimize the topology of regions defined as solid or shells. Topology and shape optimization can be used to automate the improvement of structural designs by, for example, minimizing weight while observing displacement or other. Femap with nx nastran is a mature product, providing a rich set of features to carry out mainstream fea.
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