Basic Modeling Tools and Computational Physics
Outline. Simple ToolsVenSimMATLABExcelExamplesModelingProjectile Motion (VenSim simulation, MATLAB simulation, Excel Simulation, Interactive Physics simulation)Calculator Systems of Equations (solve function in MATLAB)Bicycle Physics (MATLAB model). A simple problem seen many ways. Projec
Basic Modeling Tools and Computational Physics
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1. Basic Modeling Tools and Computational Physics David Joiner
2. Outline Simple Tools
VenSim
MATLAB
Excel
Examples
Modeling
Projectile Motion (VenSim simulation, MATLAB simulation, Excel Simulation, Interactive Physics simulation)
Calculator++
Systems of Equations (solve function in MATLAB)
Bicycle Physics (MATLAB model)
3. A simple problem seen many ways Projectile motion
F = m x
Reduce to system of 2 first order equations
Vensim
Graphical solution
Excel
Eulers method with sliders
MATLAB
Program directly or use solvers
4. Modeling as homework help Object fired up a ramp towards plateau, where does object land?
Students have difficulty choosing solution method
Numerical solution and visualization can help guide problem solving
5. Calculator ++ Systems of equations
Show students ability to use technology to solve systems
Focus on problem solving as setting up systems instead of searching for a chain of equations
Linear Systems
Block on table with friction
Pulley
Hanging block
Non-linear systems
Range of angles for field goal kick
6. Calculator ++ The Bike-o-matic 3000
Problem based activity
Students study rotational physics by designing the gear ratio for a childs bike (single gear w/ fixed ratio)
MATLAB used as a worksheet to keep track of calculations, and to modify them for new inputs
Students feed a gear ratio two teams at a time in a race simulator
7. Bicycle Physics
8. Questions?