Better Engineering Through
Multibody Dynamic Simulation

August 2018 | Issue #10

G-Modeling stands for Generalized Modeling. It is a revolutionary technology that increases the efficiency and productivity of Multi-Flexible-Body Dynamics (MFBD) in RecurDyn automating the conversion of bodies from rigid to flexible or from flexible to rigid.

The G-Modeling tools in RecurDyn convert a body from one type to another while preserving the joints, force elements, and contact elements on the body, allowing the analyst to create a model of a system assembly without concern for whether a body should be modeled as rigid or flexible.

G-Modeling invokes the built-in mesher and eigensolver to convert rigid bodies to flexible bodies, and it can convert a mesh or modal body into a rigid body as well.

For an  example, a model can be created using all rigid bodies to test overall system behavior with minimum computation time. Then using G-Modeling, the analyst can convert a body into a flexible body so that the same model can be used to predict the fatigue life of that body.

The following tutorials are designed to instruct the analyst in using the RecurDyn RFlex and the RecurDyn FFlex tools.Click on one of the links below to learn more.

G-Modeling Tutorial: Part 1 – RFlex

G-Modeling Tutorial: Part 2 – FFlex

Our new MotionPort website is live and ready for you to explore our new look and features. Some of the new features are described below.

We started the project with big ideas!

We wanted the site to be responsive so it was easier to view on all platforms – now desktop, laptop, tablet and smartphone compatible. Try narrowing your browser window and watch the content realign itself in order to stay within the screen boundary.

We wanted it to be easier for us at MotionPort to add up-to-date content as it happens. We also wanted to include a place where our monthly newsletters can be found so you can quickly find the past articles that you would like to go back and review. (You can find them here!)

The design provides a more interactive experience so you can easily find the information you are looking for.  It includes changes to navigation (including a new mega-menu!), new graphics and a whole host of smaller but impactful updates, all to make your experience on the MotionPort site that much betterfor you.

Feel free to browse based on your own interests to learn more about RecurDyn, Particleworks and MDB for ANSYS and how they might serve your needs.

We hope you like the changes and please let us know if you have any feedback!

In the News:

MotionPort Recognized for Presentation

Matthew Ladzinski, Vice-President, NAFEMS, sent an email to Brant Ross after the NAFEMS/CAASE18 conference in June as follows:

“Following a review of the feedback received at CAASE18, collected using the conference app, I am happy to report that your Presentation on, “On the Correct Preloading of Nonlinear Flexible Bodies to Achieve Accurate Multibody Simulation Results” received an excellent rating!”

We are happy we had the opportunity to share our presentations with the attendees of the NAFEMS/CAASE18 conference and that we were able to meet some of you at our booth.

User Tip:

What are the differences between the implicit method and the explicit method?

The explicit method and implicit method are numerical analysis methods used to solve a time-dependent differential equation.

Click here to learn more about the differences and how RecurDyn uses each method in solving equations.