Problem 3 ME 115 Final – Troy Topping

Initial Construction A box with m = 1250 kg is input to simulate the forklift Only half the mass is used since this is a 2-d model and there are really 4 wheels Gravity is not turned off because we want to use mass

Model Assembled Wheels are put on the model with a radius of.1 meter Ground is put in and dimensional alignments are made

More Parts and Crate The rest of the forklift is simulated The center of gravity of the crate is properly oriented

Giving the Forklift Initial Velocity An initial velocity is given to the forklift This was unspecified in the problem – in the model –5 m/s is used

Metering Forces Force meters are put in for the wheels A decelerating motor is put on each wheel Since the linear deceleration was 3m/s^2, and the radius was.1 meters, an angular deceleration of –4.77 rev/s^2 was used

Final Model Running Here is the model running (not too well) At this point the reactions in the y-direction are small

Results I needed more time to generate a more accurate model The reactions determined in the system don’t seem reliable yet With fine tuning, this model might work better