Siemens ag purchased the former ugs corporation from private equity concerns and their rights to the commercial version of nx nastran in 2006. Hello all, apologies for this but as mentioned above, topology optimization is not currently supported in nastran incad nic. Design optimization structural design and 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 optimization determines an optimum design proposal starting with a given maximum design domain. 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. However, the optimized geometrys displacement is way too high. Topology optimisation software materialise 3d printing. I did the siemens tutorials and tried to reproduce the same. 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.
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. Hello, i am a new user of the topology optimization nx nastran version 12. The nx femap topology optimization course offers the theoretical and practical aspects of design optimization using the nx femap topology optimization capabilities. Here you can optimize with fe properties and some limited geometry as design variables. Siemens has just made this process that much easier by partnering with frustum to incorporate the startups generative design and topology optimization software into. Frustum topology optimization integrated into siemens nx for. The altair hyperopt is an adaptive response surface method arsm.
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. Sneak peek at simulation improvements for nx cae 11. 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. 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. Nx topology optimisation module follows an expected workflow for these types of things. Nx nastran topology optimization with sol101 nx nastran topology optimization with sol101 fite mechanical op 6 apr 17 12. Topology optimization a new nx nastran topology optimization product is available for solutions linear static sol101 and modal analysis sol103. Topology design optimization processor parameters nastran. 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. Femap with nx nastran is a mature product, providing a rich set of features to carry out mainstream fea. 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. 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.
Topology optimization and its seductive biomorphic shapes are what many think of when they hear the term optimization in engineering design. 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. How to formulate a structural topology optimization problem. I work at fedesign, the software company behind tosca. 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. Topology optimization software offers the capability to optimize. Sensitivity and design optimization can be used to automate the improvement of a proposed design. Simcenter nastran topology optimization for analysts. 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. 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. Nx cad to use as a starting point for refining the initial concept model into a manufacturable component. Nx nastran fe solver analysis modules fea software. 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.
Nx nastran topology optimization in simcenter siemens. How to formulate a structural topology optimization problem in msc nastran. The new release will also be offering topology optimization tools for both the nx designer and nx cae simulation analyst. 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. Keepinout a feature can be defined as a keepin there must be material in that volume during the topology optimization. Incorporation of topology optimization capability in.
Have you considered trying nx nastran from siemens plm software. Topology optimization tools take inputs such as the area the part will fit into, loads, material and assembly connections. In a future femap release likely scheduled for this year, we plan to offer topology optimization with an integrated tosca. The solution, designed for advanced analysts, supports static and. Choose optimization tabnx nastran topology optimization group setup. The solution can optimize the topology of regions defined as solid or shells. Simcenter nastran topology optimization cosmos italia. Geometric optimization of a tuning fork in nx nastran. 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. What optimization software do engineers use during the design. Automating the product performance process traditional buildtest. Nastran design optimization product module and extends msc.
And what ever values i put here will be the time steps used in the analysis. I am a new user of the topology optimization nx nastran version 12. I did the siemens tutorials and tried to reproduce the same steps for another geometry that i created. 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. Apr 07, 2016 in nx nastran, geometry optimization is performed by an nx optimizer tool that is based on software called altair hyperopt. Hyperopt uses a quadratic polynomial that is found and updated for each of the iterations.
Instead it is the traditional parametric gradientbased optimization with sol 200. Nx these validation tools help with data preparation and ensure the printability of the designed parts. When setting up a sol401 analysis in nx nastran, i can set for example the following for nlcntl. 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. It results in 25 mm, although i set a constraint for it. 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.
Simcenter software uniquely combines system simulation, 3d cae. The nx topology optimization course offers the theoretical and practical aspects of design optimization using the nx topology optimization capabilities. To view all of the information about the supported scenarios and elements. It is independent of sol 200 and has its own inputs and license requirement. 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.
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. The solution page displays the name of the active solution, the solution type, and the solver version number. 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. 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. Support for nx nastran topology optimization whats new in nx8. Design sensitivity coefficients are used in nx nastran to assist the optimizer in this search process. I am trying to optimize a circular casing structure for reducing the vonmises stress on it. Nx topology optimization can help you to develop a new component by providing you with optimal design suggestions before detailed designs begin. Keepout there must be no material in that volume during the topology optimization.
Users guide for topology optimization msc software. Siemens femap with nx nastran is a cost effective, high performance finite element analysis modeling tool for engineers. The tstep1 data is required to be set at load case level. It results in 25 mm, although i set a constraint for it to be not hight than 3 mm. Simcenter nastran topology optimization for analysts youtube. 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. You define your design space, in terms of features that need to be maintained, a geometry area that will. For a new user, the breadth and depth of functionality can be daunting. Femap nastran fea software with nx, fem finite element analysis program call 81822236 for quote free demo consultation. Here we list the topology optimization software that we are aware of in alphabetical order. 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. 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. Announcement on siemens plm topology optimization products.
Nastran is an enhanced proprietary version developed and maintained by siemens product. All good, like most cad systems have their strengths and weaknesses. In nx nastran, design optimization is performed by an optimizer. Design optimization refers to the process of generating improved designs. 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. Topology optimization cannot take into account all types of stress on an individual file. We have an announcement for customers with nx topology optimization nx30554 and femap. The following topics describe the topology design optimization processor. Topology and shape optimization can be used to automate the improvement of structural designs by, for example, minimizing weight while observing displacement or other. The best in class tools, clarified hemmelgarn, pointing to siemens highend cad solution, nx, as one such tool. 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.
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. Abaqusatom, genesis, nx topology optimization, optistruct, tosca, and so on. The bundled external libraries should allow you to build the test programs on linux, windows, and mac os x without installing additional software. Femap with nx nastran singapore siemens fea finite element. Femap nastran singapore siemens finite element analysis. Nx nastran topology optimization with sol101 nastran engtips. Siemens femap with nx nastran overview digital engineering.
All of my topology optimization tutorials for msc nastran are at this link. Some other software used are nx frustum or nx nastran from siemens, msc nastran from msc software, ansys mechanical from ansys. Siemens femap with simcenter nastran allows fea engineers in fea consultancy access to a much wider depth of fea analysis capability to easily and. 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. How to formulate a structural topology optimization problem in. Simulation and performance engineering simulation engineers can use the new capabilities in the simcenter portfolio and nx nastran software for topology optimization. A number of examples are provided to illustrate the use of topology optimization in msc nastran. Topology optimization is available in a number of tools.
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