Doubts about mbd simulation on fsae models

Bonassa

Hi, i'm a beginner at mbd simulations, and I want to understand some things about motionsolve and the fsae model that altair gives to us.

I imported the standard model, but it doesn't match our CAD model, so i'm wondering if there is a way to import our assembly to this model, or even to motionsolve somehow? Or, how can I change the standard model hardpoints to match our team's model? Because, from what I noticed, the coordinate systems of altair and our CAD model are different, so I don't know if there is a way to change the hardpoints to match our CAD model, or even import our CAD model to the motionview model.

And the other question I have is about flexprep, I created a mesh on the chasssis and I need nodes for flexprep, but how many of them is needed, and how do I know which points of the motionview model should be considered as interface nodes for flexprep? bushings, joints, or this is free? Because I tried with some nodes on some bushings and some joints, and it gave me an error message.

So, if someone can answer me these questions, I will really appreciate!

Vishvam

Hello @Bonassa

We have a tailor-made eLearning for Motionsolve for Vehicle Modelling specifically. This eLearning would give you a solid base on creating your models by using library models as a reference. Linking a basic Motionsolve introduction eLearning as well for your reference.

MotionSolve v2023 for Vehicle Modeling

MotionView/MotionSolve Introduction v2023

For creating a flexbody using Flexprep, please go through the below article:
Flexible body preparation (CMS) on HM: manage file content & size

Any number of points can be created and considered for interface nodes, which would be replicating your real-world body constraint points, as there would be no redundancy issues when it comes to flexible bodies.

Altair MotionView/MotionSolve Frequently Asked Questions

Hope this helps!