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Stabilized isogeometric collocation methods for hyperbolic conservation laws
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DOI：10.1007/s00366-023-01918-4.png)
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We introduce stabilized spline collocation schemes for the numerical solution of nonlinear, hyperbolic conservation laws. A nonlinear, residual-based viscosity stabilization is combined with a projection stabilization-inspired linear operator to stabilize the scheme in the presence of shocks and prevent the propagation of spurious, small-scale oscillations. Due to the nature of collocation schemes, these methods possess the possibility for greatly reduced computational cost of high-order discretizations. Numerical results for the linear advection, Burgers, Buckley-Leverett, and Euler equations show that the scheme is robust in the presence of shocks while maintaining high-order accuracy on smooth problems.
Keyword:
Isogeometric analysis
Collocation
Stabilized methods
Shock capturing
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4.9
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2.6K
被引数:
9.3K
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