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Engineering
Mechanical Engineering
Exploring the Benefits of Planar Multibody Dynamics in Mechanical Engineering
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[QUOTE="FEAnalyst, post: 6622126, member: 658802"] In practice, advanced MBD software such as Simpack and MSC Adams is used to analyze the motion of complex mechanisms and machines. Basic motion studies can also be performed in proper modules of CAD software like Autodesk Inventor, Fusion 360 or SolidWorks. They all offer quite advanced motion studies with evaluation of displacements, velocities, accelerations and forces, among the others. If you don't have a license for such software but would like to try something like that, check the open-source solutions. For example, you can find the add-on "Dynamics" module for FreeCAD which uses MBDyn as a solver. Its capabilities are quite impressive: [MEDIA=youtube]l4964EEiP40[/MEDIA] Here's a GitLab repository of this module: [URL]https://gitlab.com/josegegas/freecad-mbdyn-dynamics-workbench[/URL] However, I still think that theory can be useful. It's like with Finite Element Analysis where a software can do almost everything for you but you won't be a good analyst without the knowledge about the theory behind this method and behind solid mechanics or whatever physics are involved in your analysis. For example, you can't interpret the results properly if you don't fully understand the meaning of each output variable and don't know how your model should behave under specific loading. Setting up the analysis also requires understanding of various aspects such as material models and boundary conditions. And when something fails, you have to dive deep into the problem from the perspective of a solver. You have to understand the Newton-Raphson method to know why the analysis is divided into increments and iterations and so on. Not to even mention the verification with analytical solutions which is very often necessary in the case of FEA. Multibody dynamics simulations are different but many of these remarks still apply in some ways. [/QUOTE]
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Exploring the Benefits of Planar Multibody Dynamics in Mechanical Engineering
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