# How to extend SecondOrderODEProblem in DifferentialEquations.jl?

**URL:** https://discourse.julialang.org/t/how-to-extend-secondorderodeproblem-in-differentialequations-jl/73831
**Category:** Numerics
**Tags:** package, differentialequation
**Created:** [December 30, 2021, 6:57pm UTC](https://discourse.julialang.org/t/how-to-extend-secondorderodeproblem-in-differentialequations-jl/73831 "2021-12-30T18:57:44Z")
**Posts on this page:** 1
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### Author: ![josuagrw](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/josuagrw/32/1015_2.png) [@josuagrw](https://discourse.julialang.org/u/josuagrw)
#### Post date: [December 30, 2021, 7:00pm UTC](https://discourse.julialang.org/t/how-to-extend-secondorderodeproblem-in-differentialequations-jl/73831/2 "2021-12-30T19:00:37Z")

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The Westervelt equation looks like a partial differential equation so you would need to discretize the spatial dimensions somehow (finite elements, finite volume, spectral methods etc).

Also [Please read: make it easier to help you](https://discourse.julialang.org/t/please-read-make-it-easier-to-help-you/14757)

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