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J.V. Thompson’s V8 Scorpion - Modeling in CATIA V5-Team

Jon Cotton Gustavo Guillen Mike Smith Mentor: Ian Clarke. J.V. Thompson’s V8 Scorpion - Modeling in CATIA V5-Team. Objective. Create an accurate model of an operating V8 Scorpion engine Demonstrate functionality and operation via animation

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J.V. Thompson’s V8 Scorpion - Modeling in CATIA V5-Team

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  1. Jon Cotton Gustavo Guillen Mike Smith Mentor: Ian Clarke J.V. Thompson’s V8 Scorpion- Modeling in CATIA V5-Team

  2. Objective • Create an accurate model of an operating V8 Scorpion engine • Demonstrate functionality and operation via animation • If working on a model, i.e. engine, provide a brief description/illustration of your starting point

  3. Full rotating assembly • Displayed are the rods, pistons with rings and wrist pins, main bearings, and crankshaft. • Standard V8 firing order. Crankshaft is multiple pieces to allow simplified rods. • All engine sections are created as sub-assemblies in the same manner as the engine would actually be assembled.

  4. Challenges Encountered • Drawing package accuracy - Not all components align, even when dimensions are followed exactly as per drawing package

  5. Solutions to Challenges • Select dimensions altered as necessary • Added small chamfers to rendered parts to display individual surfaces.

  6. Lessons Learned • Supplemental literature can help clarify drawings • Review all relevant material thoroughly before beginning modeling • Strong teamwork catches mistakes and improves quality of design

  7. Lessons Learned (continued)Technical problems encountered due to complex animations • An assembly animation was attempted with the entire engine; 59 steps, 2:55 mins, approx. 3Gb file size • When the rendering finished (about 3.5 hrsrender time), the animation .avi file was completely lost; it was not found in the folder it was saved to. A search of the entire system came up with nothing as well. • Many alternatives were tested: • Tracks were shortened • Split the animation into two parts • Tried stopping the render a few frames before completion • The only thing that seemed to work was splitting the animation into three parts (1.33, .94, .80 Gb per video respectively) • It seems that there is an unknown file size cap to CATIA’s animation capabilities • Something that may help with video choppy-ness is compressing the videos to a more manageable file size for Windows. Animation video files can be found here: S:\Engineering\SeniorDesign\Catia Course\13. Fall 2012\Final Projects\V8 Scorpion\Renders\Assembly Animation Videos

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