Runge-Kutta 2nd and 4th order -- CFD Online Discussion Forums

May 13, 2013, 11:35	Runge-Kutta 2nd and 4th order	#1
jakubstary New Member Jakub Join Date: May 2013 Location: Czech Republic Posts: 16 Rep Power: 13	Hello, I program solver for Burgers equation, Shallow water and Euler equations. Everything works good, but one thing not - 2nd and 4th order Runge-Kutta method. I get bigger error with 2nd and 4th order RK method than with Euler method. I tested methods on ODEs and everything is good, but for PDEs not :-(. Don't you know where can be error? Or is there anyone, who could help me via email and look on my code? Thanks for any advice. Jakub

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