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Qualitative Behavior of Solutions For Shallow Water Wave

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This MQP report concerns the finding of the convergence rates to the equilibrium constant states of shallow water wave equations with relaxation as time goes to infinity and establishing the existence of global in time solutions. We study the initial value problem, under a certain set of initial conditions, by considering the system in Lagrangian coordinates using different transformations. We develop two essential lemmas that we employ to prove the global in time existence of solutions and show, moreover, how these lemmas yield the convergence rates, given the initial conditions. We also look at the general case by strengthening the initial conditions and arrive at another system of equations that is similar to the previous one, the analysis of which follows naturally.

  • This report represents the work of one or more WPI undergraduate students submitted to the faculty as evidence of completion of a degree requirement. WPI routinely publishes these reports on its website without editorial or peer review.
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Identifier
  • E-project-050208-143730
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Year
  • 2008
Date created
  • 2008-05-02
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