Design 1 Lab 1 Questions.docx - Memo This lab was a brief introduction into the built in FEA program inside of SolidWorks We were tasked to solve a

Design 1 Lab 1 Questions.docx - Memo This lab was a brief...

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Memo This lab was a brief introduction into the built in FEA program inside of SolidWorks. We were tasked to solve a relatively simple beam deflection problem first by hand and then through four separate methods inside of SolidWorks. We gained some insight into how SolidWorks solves simple mechanics based problems like this through the use of meshes (the finite elements) and how different fixtures and modeling methods give different results. The first part of the lab showed us how important it is to understand the problem you are solving and what inputs we need to pay attention to when solving problems using SolidWorks. Different fixtures would constrain the beam differently which gave some perspective as to what we can vary in our analysis. We then began to solve the problem with the appropriate model as a solid element which gave us some very complex elements to analyze. This gave some ballpark values which we were able to refine by changing our element sizing. The last three parts of the lab dealt with trying different methods to solve the same beam deflection problem. We used a shell method which provided some more detailed results and led to the conclusion that fewer degrees of freedom would give a better solution to the problem. The third attempt had us use a beam model for our problem, which gave us results that were exactly what we had obtained in our pre lab solution. This led me to believe that the beam model was most accurate and that was because we had so few degrees of freedom between our elements. The final method was a 2D simplification that provided results that were better than both the shell and solid edge method but was not as accurate as the beam method.
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  • Fall '08
  • Yong,Y
  • Boundary value problem, Solid modeling, Max deflection

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