Simulation of three‐dimensional nonlinear water waves using a pseudospectral volumetric method with an artificial boundary condition
Sign Up to like & getrecommendations! Published in 2021 at "International Journal for Numerical Methods in Fluids"
DOI: 10.1002/fld.4956
Abstract: This article presents a pseudospectral method for the simulation of nonlinear water waves described by potential flow theory in three spatial dimensions. The method utilizes an artificial boundary condition that limits the vertical extent of… read more here.
Keywords: nonlinear water; artificial boundary; method; boundary condition ... See more keywords
Artificial boundary conditions for the linearized Benjamin–Bona–Mahony equation
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DOI: 10.1007/s00211-017-0943-1
Abstract: We consider various approximations of artificial boundary conditions for linearized Benjamin–Bona–Mahony BBM equation. Continuous (respectively discrete) artificial boundary conditions involve non local operators in time which in turn requires to compute time convolutions and invert… read more here.
Keywords: boundary conditions; linearized benjamin; benjamin bona; artificial boundary ... See more keywords
Optimal Artificial Boundary Condition for Random Elliptic Media
Sign Up to like & getrecommendations! Published in 2018 at "Foundations of Computational Mathematics"
DOI: 10.1007/s10208-021-09492-1
Abstract: We are given a uniformly elliptic coefficient field that we regard as a realization of a stationary and finite-range (say, range unity) ensemble of coefficient fields. Given a (deterministic) right-hand-side supported in a ball of… read more here.
Keywords: boundary condition; artificial boundary; size; random ... See more keywords
Improvement research on the stability of explicit integration algorithms with 3D viscoelastic artificial boundary elements
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DOI: 10.1108/ec-08-2021-0468
Abstract: PurposeWhen explicit integral analysis is performed on a numerical model with viscoelastic artificial boundary elements, an instability phenomenon is likely to occur in the boundary area, reducing the computational efficiency of the numerical calculation and… read more here.
Keywords: artificial boundary; viscoelastic artificial; improvement; analysis ... See more keywords
Stability Analysis of an Explicit Integration Algorithm with 3D Viscoelastic Artificial Boundary Elements
Sign Up to like & getrecommendations! Published in 2020 at "Mathematical Problems in Engineering"
DOI: 10.1155/2020/1848169
Abstract: Viscoelastic artificial boundary elements are one of the most commonly used artificial boundaries when solving dynamic soil-structure interactions or near-field wave propagation problems. However, due to the lack of clear and practical stability criteria for… read more here.
Keywords: boundary elements; stability analysis; algorithm viscoelastic; artificial boundary ... See more keywords
An unsteady two-dimensional vortex method for the flow separation over a flapping wing
Sign Up to like & getrecommendations! Published in 2022 at "Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering"
DOI: 10.1177/09544100221100057
Abstract: The flow separation over a very flexible or morphing aircraft, especially during flying or oscillation at a high angle of attack, is stronger than that for conventional aircraft. However, a low-order model for reliably predicting… read more here.
Keywords: artificial boundary; two dimensional; vortex method; method ... See more keywords