Existence and nonexistence of solitary wave solutions to higher-order model evolution equations
SIAM Journal on Mathematical Analysis
PDE boundary conditions from minimum reduction of the PDE
Applied Numerical Mathematics
Proceedings of international centre for mathematical sciences on Grid adaptation in computational PDES : theory and applications: theory and applications
r-refinement for evolutionary PDEs with finite elements or finite differences
Proceedings of international centre for mathematical sciences on Grid adaptation in computational PDES : theory and applications: theory and applications
Embedded solitons: a new type of solitary wave
Mathematics and Computers in Simulation
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In this paper, we investigate the dynamics and interaction properties of recently discovered ''embedded solitons'' in an extended fifth-order KdV model inspired by water waves in the presence of surface tension. The dynamical behaviour of the solitons can be efficiently followed by using a moving or an adaptive finite difference mesh in combination with a suitable time-integrator. We will demonstrate this numerically for different types of wave solutions, such as solitary waves, multihumped waves, and interacting waves.