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## PowerPoint Slideshow about ' Progress Report' - ivy

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Numerical methods

- Pole: 40 ft long, 0.826 ft diameter
- Modeled as elastic material

- Column: 1 ft2 cross-sectional area
- Rigid

- 2 mph

- Simple open-channel flow models
- Incorporated pole and column

Results to Date

- Timestep: 0.1 ms
- 10,400 elements
- Max force: 11 kips

Results to Date

- Timestep: 0.1 ms
- 18,800 elements
- Max force: 14.5 kips

Intended Future Work

- Examine discrepancy between results from LS-Dyna and given equations
- Create a mesh for circular pole in water
- Expand to full-scale

Expected Delays/Problems

- Using LS-Dyna wood properties
- Making mesh for circular pole in water
- Making the pole flow with the fluid

Summary

- In-air transverse impact
- Results do not correlate well with given equation

- Simple open-channel flow models
- Needs further refining

- Will likely encounter a number of difficulties

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