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Fusion 360: Static Stress Simulation

by Brian Mongkolpoonsuk on May 10, 2017

You need to ensure your product can withstand the test of time. Running your design through a number of simulation tests will ensure you catch potential flaws earlier in the production process, saving you time and money.

In our 3rd episode of Autodesk Fusion Fridays, we ran a static simulation test on a bicycle fork crown, the part that connects the handlebar and the front shocks. Read on to discover how you can use the Static Stress Simulation environment in Fusion 360 to avoid potential failures and maintain design integrity.

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Topics: Simulation, Autodesk Fusion 360, Static Stress Simulation, Fusion 360 Simulation, Autodesk Fusion Fridays, Static Stress, Fusion Fridays

The Future of Making Things with Simulation

by Nigel Ambayec on Feb 1, 2017

James Herzing has been a part of the Autodesk Simulation team since 2009 and understands the rapid evolution of simulation. From generative design to event simulation, Autodesk is changing the way engineers design and make things.

In this recap of Autodesk Virtual Academy, you'll learn how Simulation solutions now allow you to lighten your design, optimize flow, and reduce failure. Let’s take a look at some new introductions previously thought impossible.

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Topics: Simulation CFD, Simulation Mechanical, Simulation, The Future of Making Things

Using Dynamic Simulation in Inventor

by Chris Fisichella on Jan 7, 2016

I'm in the middle of a machine design that the client wants to be all mechanical. Well, they are allowing a couple of limit switches, but other than that, it's completely mechanical. Three of us here at KETIV are each putting in effort to get this assembly finalized. I am working on the internal mechanism so, of course, I am going to use Inventor. Not soon after I got into some of the details, I realized there were some timing constraints on this assembly that are trivial to solve when a microcontroller is available, but are less obvious when it's completely mechanical. In one revolution of a shaft, I had to have another shaft stop, start, stop, and then start again.

Uh oh. How do you do that? I thought about Geneva Mechanisms and Intermittent gearing. I was sketching on paper for quite a while and then got to the point when it was time to do some solid modeling. The Inventor tool itself was useful to define the contact between the driving "gear" and the driven "gear." It did not, however, offer the kinematic and dynamic information I was seeking.

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Topics: Autodesk Inventor, Simulation, Dynamic Simulation

How to Prevent Your Computer From Automatically Rebooting

by Chris Fisichella on Sep 23, 2015

The simulation tools offered by Autodesk are comprehensive and will allow you to solve many interesting problems. The solutions to some of these problems sometimes take many hours to solve. One of the barriers to reaching a successful conclusion is the tendency for Windows to restart your computer without checking in with you first. For example, NASTRAN In-CAD, Autodesk Simulation Mechanical, Autodesk Moldflow, and Autodesk CFD all keep a great deal of information in volatile memory. When the power is cut, the information is lost and your simulation is lost along with it. To prevent this from happening, you can certainly search the web like I did. A good search term is “how to prevent windows 7 from restarting automatically.” If you don’t have time, or have no idea what the forums are talking about, you can use this guide to help you. This procedure applies to Windows 7 Professional.

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Topics: Autodesk CFD, Nastran In-CAD, Simulation Mechanical, Simulation, Autodesk Moldflow

No Need to Dumb Down CAD for the Sake of Finite Element Analysis

by Chris Fisichella on Aug 21, 2015

Automated geometry simplification tools from Autodesk make it easy to allow well documented CAD to be ready for simulation tools.

As a design engineer, you are often asked to remove features from your model. I have heard the following reasons:

  1. To save disk space
  2. To make it easier to display large models
  3. To make it possible to run simulations on the models

In this blog, I’ll take on number three in that list because numbers one and two can be dealt with at the CAD administrator level. I would like to argue the need for simplifying models for the sake of making it possible to input into a simulation tool is no longer a valid argument. Successfully arguing this point causes an engineer to delete perfectly good features he/she spent time modeling. If you get a chance, check out this screencast hosted by Autodesk. It shows how a CAD model that is well documented can be quickly and automatically simplified (I’m thinking about the defeaturing tool right now) so that the model can be used in downstream tools such as Simulation Mechanical, Moldflow, and CFD.

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Topics: Simulation

Affordable Communication Towers for Improved Communications in Oil Fields

by Chris Fisichella on Aug 3, 2015

© Juanpfotografia | Dreamstime.com

I find the robust, fault tolerant communication networks offered by Redline Communications to be interesting. They specialize in providing these deployments for the oil and gas industry. The systems create smart oil fields and provide both increased safety and reliability for those who provide the oil that is necessary to drive the world’s economy. Without having to send workers into the field, the risk of injury is reduced automatically. Mr. Al-Lawati’s informative presentation is posted at that link I provided earlier. The presentation outlines some of the capabilities of the systems they sell. He also describes a problem the company is having difficultly overcoming: lattice tower construction. They cite the cost of these towers ranges from $200,000 to $1,000,0000 dollars.

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Topics: Simulation Mechanical, Simulation

Getting Gas Field Development Right the First Time

by Chris Fisichella on Jul 20, 2015

© Warenemy | Dreamstime.com - Oil Pump Jack Photo

An area of difficulty in oil and gas exploration is in determining the production of a gas field. A section view of such a field is shown in Figure 1. It was originally published on Wikipedia. The gas is often trapped in small pockets deep below the earth’s surface. Hydraulic fracturing is used in these fields to connect the small gas pockets together. Water is pumped into the well and is pressurized to the point so that it creates small cracks that form a network between the pockets. The network emanates from the drill bore to a finite extent in the surrounding gas field. I was reading this interesting article on the Shell Corporation website last week and thought a very good tool that could be used to both characterize the performance of a fracturing operation and predict the performance of future fracturing operations is Autodesk CFD 2016.

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Topics: Autodesk CFD, Simulation CFD, Simulation

Reducing the Stages Engineers and Designers Need From Part to Part

by Denee Busby on Jun 2, 2015

On your mark, get set, go…

Every product begins as a solution—an answer to some question—that is later formulated into a concept. That concept typically takes on some geometric shape and then it’s tested out to decide if in fact that concept is the best way to solve the problem. Traditionally there are several iterations of some version of the original idea. In some cases the original idea gets scrapped and you take another stab at it, either because of the way it performed once built, or perhaps it was too costly to build in the first place. Back to the drawing board…

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Topics: Simulation

How Does Simulation Play Into “The Future of Making Things”

by Denee Busby on May 26, 2015

There is an idea that echoes in the hearts and minds of many best in class executives and decision makers in the world of manufacturing… The Maker Movement. What does it all mean? And how do things like virtual testing and digital prototyping play into this idea? Well for that answer you’ll have to peel back the onion a bit.

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Topics: Simulation, Future of Making Things

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