All posts by Bruce Jenkins

New EDEM/RecurDyn co-simulation solution gives off-highway equipment engineers high-fidelity modeling of bulk material behaviors

Bulk-material simulation specialist EDEM released a co-simulation solution between its software and RecurDyn, the multibody dynamics modeling and simulation toolset from FunctionBay. This new integration enables engineers designing heavy equipment such as excavators, ploughs and off-road vehicles to introduce realistic bulk-material behaviors into their multibody dynamics simulations. EDEM says the new technology offers heretofore unrivaled insight into how material loads are transferred throughout the product’s structure and systems, and provides engineers with essential insights into equipment/material interactions. Continue reading

Introducing EDEM high-fidelity load values into RecurDyn multibody dynamics simulations frees engineers from hand calculations and guesswork.

New Simcenter 3D v12: Scale, depth, speed of integration progress unsurpassed

Siemens’ newest version of Simcenter 3D, its flagship environment for multidisciplinary computer-aided engineering, offers new comprehensive solutions across multiple simulation disciplines. Key features:

  • Powerful generative design workflows support fully integrated topology optimization and Convergent Modeling for efficient design and simulation.
  • Advanced solutions deliver on Simcenter’s strategy for structural dynamics, motion and acoustics, delivering superior functionality and performance.
  • Improved industry workflows include universal connections support for efficient modeling of large assemblies.

Simcenter 3D is an advanced standalone CAE application for analysts and discipline experts that works with data from any CAD source. Being built on the Siemens NX platform, it of course works seamlessly with NX CAD. With more enhancements than any previous release, the newest Simcenter 3D—part of Siemens’s Simcenter portfolio of simulation and test solutions for predictive engineering analytics—looks to revolutionize how simulation engineers can help drive design direction in industries such as automotive, aerospace and industrial machinery.  See our Predictive engineering analytics: Simcenter unifies, advances Siemens PLM’s simulation/test portfolio.

Technology Results Viewer: Newly integrated workflows in Simcenter 3D v12

The new release integrates significant capabilities that were previously available in legacy simulation tools such as LMS Virtual.Lab and Samtech Samcef. Integration and expansion of these capabilities into Simcenter 3D’s unified, scalable and open environment aims to help engineers, analysts and designers improve their overall productivity, and give their organizations access to a broad yet deep array of simulation technology.

Scale, depth, speed of integration work all impress

The scope, scale, depth and—perhaps above all—swift, determined execution of Siemens’ work to intelligently integrate its many CAE-related acquisitions over the past handful of years is unsurpassed by anything comparable we can recall anywhere else in the industry. The latest Simcenter 3D release, and Siemens’ continued progress in realizing its overall Simcenter vision, is testament to the high caliber of both its technologists and its senior management—few companies in any industry can boast the same number of truly world-class executives and experts shepherding and coordinating the various Siemens PLM Software businesses and product families. Continue reading

MapleSim Explorer advances MBSE democratization through organization-wide sharing of MapleSim models

MapleSim Explorer, part of Maplesoft’s recently released MapleSim 2017 system-level modeling software, is a new “cost-effective deployment solution” that enables product development organizations to “make the knowledge embedded in their MapleSim models available to more people,” the company says. MapleSim Explorer “powers informed decision making throughout the organization” by helping systems modeling leads within engineering organizations “make the knowledge embedded in their MapleSim models available to other engineers to support informed decision making.” Continue reading

Siemens PLM Software awards first Platinum Level STAR-CCM+ user

Siemens PLM Software awards first Platinum Level STAR-CCM+ user

Stewart Bible, of Resolved Analytics in Durham, North Carolina, has become the first Siemens PLM Platinum Level Certified STAR award recipient. Stewart was presented with his Platinum certificate in an online ceremony attended by Global VP of Customer Success, Stephen McIlwain, Training Manager and Global Support Team member Aaron Bird, and Dedicated Support Engineer, Chandraprakash Tourani. Continue reading

What Makes a Parametric Modeler Tick?

What Makes a Parametric Modeler Tick?

By Neil Cooke / August 24, 2017

Parametric feature-based solid modeling is almost 30 years old. In that time, not much has changed. Sure, there have been plenty of CAD systems with their own take on how to model in 3D, but the basic principles remain the same: Create a sketch → Create a feature → Repeat.

One of the main benefits of parametric modeling systems is being able to make changes quickly. Every sketch and every feature is driven by dimensions, so all you have to do to make a design change is to change the value of a dimension, right? Yes, in most cases, but if only it were that simple all of the time.

When you create a sketch, you are capturing design intent by adding dimensions, constraints and references to other model geometry. This design intent helps you predict how your models will update when changes occur. However, if you’re not careful, you can easily get yourself into a pickle. Making too many careless references to other geometry in your model can make your model very fragile. If your model has dozens of features, you could end up chasing errors for hours. A lot of this heartache can be avoided if you have a basic understanding of what’s going on behind the scenes.

Every geometric element created by a parametric modeling system has a unique internal ID number. This number is referenced by subsequent sketches, features, assembly mates, and drawings to work out where things should be placed relative to the rest of the model. So if that ID number no longer exists, guess what? That’s right, the feature doesn’t know what to do and fails. If a design change makes an edge or face disappear, it is likely that some downstream features will fail. It’s not the features themselves that are the problem, it’s the references you make between them. References can be your biggest ally, but also your biggest enemy.

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TASS International acquisition propels Siemens to forefront of automated driving solutions engineering

Siemens announced an agreement to acquire TASS International, a global provider of simulation software and related engineering and test services primarily to the automotive industry focused on autonomous driving, integrated safety, advanced driver assistance systems (ADAS) and tire modeling. Based in Helmond, The Netherlands, TASS has developed what Siemens terms “a rich family of solutions that will further strengthen Siemens’ product lifecycle management (PLM) software portfolio, and add to its position as the leading supplier of systems-driven product development offerings for the global automotive industry.” The combined offerings, Siemens says, will provide “a fully integrated solution to frontload verification and validation of automated driving systems.”

This move puts Siemens PLM Software squarely in the vanguard of the industry’s accelerating trend of deep investment in technology platforms for engineering modeling and simulation of autonomous and semi-autonomous vehicles, especially their onboard sensing and decision-making systems. See for example our VIRES acquisition by MSC Software accelerates Hexagon’s simulation portfolio and autonomous X strategy, and ESI Pro-SiVIC 2016 models how sensors perceive scenes and smart products make decisions.

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TASS PreScan model of autonomous emergency braking system in Euro NCAP (European New Car Assessment Programme) test scenario.

ThyssenKrupp Elevator: Developing a revolutionary elevator system for tall buildings

Commercial building designs from today’s architectural engineering industry are growing ever taller and more elaborate. Currently the world’s tallest skyscraper is the Burj Khalifa in Dubai, UAE, standing at 828 meters (2,717 feet). This commanding height brings a unique set of engineering challenges, one being how to transport people efficiently from the ground floor to the top.

Most elevator systems raise and lower the elevator cabin by means of a motor-driven cable system installed at the top of the building. However, such systems generally afford a maximum ride length of 400 meters (1,312 feet)—just half the height of the Burj Khalifa, meaning passengers would have to board two, or possibly more, elevators to reach the top level.

ThyssenKrupp Elevator’s electromagnetic drive enables unprecedented freedom of travel.

ThyssenKrupp Elevator, a unit of ThyssenKrupp Corporation, is one of the world’s leading manufacturers of elevator systems, with annual sales of €6.4 billion and more than 50,000 employees at 900 locations. To meet the challenge of efficiently transporting occupants within the Burj Khalifa, the company’s design and engineering teams conceived and developed a novel design that uses electromagnetic drives attached to the frame of each elevator cabin for propulsion. This eliminates the need for roof-mounted cable systems and lets a single elevator traverse the Burj Khalifa’s full 800-meter height. In addition, it allows the elevator cage to move horizontally as well as vertically. But this new concept also brought new challenges, chief among them being that the cabin would not be able to carry as much passenger weight as a traditional elevator. Continue reading