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Inventor – Dynamic Simulation Example

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Companies can use dynamic simulation features of Autodesk Inventor software to understand how a product will work under real-world conditions without having to build costly, time-consuming physical prototypes or waiting for results from expensive consultants.

Simply input driving loads, friction characteristics, and dynamic components, then run the simulation to validate the design.  Select on the link below to view the example I have put together.

Video Link:
Inventor – Dynamic Simulation Example

Degrees of Freedom are key in a Dynamic simulation

Every time I use the Dynamic Simulation environment in Autodesk Inventor Simulation, it seems like I have to alter my assembly constraints to get the results I want. This is usually because of redundant assembly constraints. As an example, lets consider a basic four bar linkage. If you constrain the members with all “insert” type assembly constraints, it may act like you want in the normal Inventor environment, but there is actually a redundant planer constraint in this case. Instead, one of the “insert” constraints should be changed to a “axis/axis” mate constraint.

Shown above is another potentially more troublesome pitfall. This occurs when trying to solve simulations where linkage components serve the same purpose and share loads equally. An example of this could be trying to solve both sides of a scissor lift simultaneously. A better approach would be to only use one half of the model in the simulation and simple divide the input loads in half as well. This allows proper calculation by the simulation tool and allows output of the reaction loads desired.

Contributed by Ben of the Tata Technologies CAD Geeks

May the Force be With You

Let’s take a look at how Inventor’s Dynamic Simulation can help you determine the amount of force needed to power a mechanical device. In this case, we’ll use a windshield wiper mechanism with force put on the blades to act as resistance. We’ll determine how much force is needed to adequately propel the device. Let’s take a look.

WATCH VIDEO HERE

John with the INCAT CAD Geeks

Without a Trace…..Dynamic Simulation

Today we’ll take a look at creating a CAM follower utilizing the powers of Dynamic Simulation. By creating a simulation, it is easy to output the results that can be used as sketches to create components. Let’s take a look at how easy it is….

WATCH VIDEO HERE
John with the INCAT CAD Geeks
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