How Can I Numerically Calculate the Period of a Nonlinear ODE Trajectory?

  • Thread starter Thread starter srpvx
  • Start date Start date
  • Tags Tags
    Period Trajectory
Click For Summary

Discussion Overview

The discussion revolves around the numerical calculation of the period of a trajectory defined by a second order nonlinear ordinary differential equation (ODE) with specified initial conditions. Participants explore methods to achieve this without directly solving the ODE.

Discussion Character

  • Exploratory, Technical explanation, Debate/contested

Main Points Raised

  • One participant inquires about the possibility of using numerical methods, specifically mentioning Runge Kutta, to calculate the period without solving the ODE directly.
  • Another participant echoes the question regarding the use of Runge Kutta, suggesting that numerical solutions may be acceptable as referenced in an attached paper.
  • A third participant expresses unfamiliarity with the method mentioned, indicating a need for further assistance from others in the discussion.

Areas of Agreement / Disagreement

There is no consensus on whether using numerical methods like Runge Kutta constitutes "solving" the ODE, and the discussion remains unresolved regarding the acceptable approaches for calculating the period.

srpvx
Messages
5
Reaction score
0
I have a second order nonlinear ODE. I know that a trajectory with specified initial conditions [tex]\left[ x(0) = x_0, \dot{x}(0) = \dot{x}_0 \right][/tex] is periodic. How can I numerically calculate period of this trajectory without solve this DE?
 
Technology news on Phys.org
Are you allowed to use a numerical method like Runge Kutta or would that be considered "solving" the ODE?
 
rcgldr said:
Are you allowed to use a numerical method like Runge Kutta or would that be considered "solving" the ODE?
I mean that the numerical solution like the attachment paper.
 

Attachments

That's a method that I'm not familiar with. Hopefully someone here may be able to help.
 

Similar threads

  • · Replies 1 ·
Replies
1
Views
11K
  • · Replies 10 ·
Replies
10
Views
2K
  • · Replies 4 ·
Replies
4
Views
3K
Replies
5
Views
3K
Replies
1
Views
2K
  • · Replies 5 ·
Replies
5
Views
3K
  • · Replies 7 ·
Replies
7
Views
3K
  • · Replies 6 ·
Replies
6
Views
2K
  • · Replies 5 ·
Replies
5
Views
1K