What a difference a year makes! At the 2013 NX CAE Symposium, Siemens introduced its LMS acquisition to long-time NX CAE, NX Nastran and Femap users; this year, LMS’ products turned up in nearly every presentation, highlighting the important integration of 1D and 3D simulation with test and PLM. Rather than trying to explain what LMS’ portfolio brings to the table, Siemens let its customers explain how it all fits together for both model-based engineering and the enterprise as a whole.
Presenters spoke about their particular design challenges and integrating simulation earlier and more often into their processes, moving away from digitizing bend-and-break to actually exploring design alternatives early enough for them to have an impact on the final decisions. One company* highlighted the use of LMS Imagine.Lab Amesim in proposal writing, for very early what-if analyses. That’s an awesome idea: Why offer to do something that’s not economically or technically possible? Why spend a lot to figure this out, with more complicated 3D tools, if the contract might not ultimately be awarded to you?
Other speakers covered Model-Based System Engineering (MBSE), a concept which has an official definition but is still a fuzzy, ill-defined idea for many. Everyone can agree, though, that MBSE is a worthy approach, saving time and money and improving quality — if only we can get there. MBSE models are complex and take time to build. One speaker, therefore, suggested his company’s approach: building high-level models to keep “on the shelf”, ready for use when needed. His point: adding details and modifying models is faster than building them from scratch, leading to greater agility and customer responsiveness.
The return on investment in CAE is a function of this reuse, but also of increasing familiarity with the tools offset by the growing complexity of the systems being modeled; that’s too hard to quantify, so most organizations no longer seem to be trying. We used to hear a lot of “didn’t build and crash 5 prototypes so save thousands of dollars” — not this time. Today, CAE is used to be more creative, validate assumptions, reach new opportunities and do it all more quickly. Companies are setting performance targets for their products and then modeling and simulating until they get as close as possible, in a multidomain world that encompasses cost, function, safety, manufacturability and many other factors. These iterations enable engineering teams to make the best possible decisions by knowing the impact of any particular change, well before it’s made in the physical world.
Siemens PLM didn’t make any earthshaking announcements during the event, but did give a further glimpse into its simulation and test product strategy — and it’s just what you’d expect, given the breadth of the portfolio. Jim Rusk, Sr. VP Product Engineering Software told us that we should think of NX as an innovation platform; design, simulation, mechatronics, manufacturing line design and so on, are all apps in that environment. NX 10, available in December, includes
- multiphysics improvements such as structural/thermal interactions with 1-way & 2-way coupling
- enhancements to let users solve coupled problems on the same mesh, with common element types, properties, boundary conditions, and solver controls
- a new expression management system for describing complex boundary conditions, and
- adaptive meshing for improved solution speed and accuracy
- Siemens PLM asked me not to identify which customer presenter said what. Take a look at the agenda to see, in general, who spoke.
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To Monika Schnitger
Hi Monika, thanks for great articles. I saw by chance that you seem to have two tags for Siemens: one is “siemens-old” to which the newest posts are posted. That’s why Siemens pops up twice in the cloud thingy to the right. Best Regards / Jan
Thanks, Jan — should be all fixed now!