02a persamaan diferensial ordiner 1.pptx

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Persamaan Diferensial Ordiner [Ordinary Differential Equation (ODE)] Part 1: Euler & Runge Kutta

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Persamaan Diferensial Ordiner [Ordinary Differential Equation (ODE)]

Persamaan Diferensial Ordiner[Ordinary Differential Equation (ODE)]Part 1: Euler & Runge Kutta

The sequence of events in the application of ODEs for engineering problem solving. The example is the velocity of a falling parachutist. (Chapra & Canale, 2006)Types of ODEInitial value problemExample:

Boundary value problem Example:

Numerical methods for solving ODEEuler & Modified Euler (IVP)Runge-Kutta (IVP)Shooting method (BVP)Finite difference approximation (BVP)etcEulers methodODE numerical solutionEulers method

Eulers method

Eulers method

Example 1

Example 1, contd.

Example 1, contd.

Example, contd.

Example 1, contd.

Example 1, contd.

Example 1, contd.

Example 1, contd.Eulers method

Improvements of eulers method ODE numerical solutionHeuns method

Heuns method

Graphical depiction of Heuns method. (a) predictor; (b) correctorHeuns methodHeuns method

Example 2

Example 2, contd.

Example 2, contd.

Example 2, contd.The Midpoint Method

The Midpoint Method

Runge-kutta methodODE numerical solutionRunge-Kutta 4th order method

Example 3: Recall the problem in example 1

Example 3, contd.

Example 3, contd.

Example 3, contd.

Example 3, contd.

Example 3, contd.

Example 3, contd.

Example 3, contd.

Example 3, contd.System of equationsODE numerical solutionSystem of equations

Example 4: Eulers method

Example 4, contd.

Example 5: RK method

Example 5, contd.

Example 5, contd.ReferensiChapra, S.E. and Canale, R.P., 2006, Numerical methods for engineers , 5th ed, McGraw Hill, Singapore.Kaw, A. and Barker, C., 2006, http://numericalmethods.eng.usf.edu