Found 28 Documents (Results 1–28)
Implicit boundary conditions in partial differential equations discretizations: identifying spurious modes and model reduction. (English) Zbl 07811330
Subharmonic eigenvalue orbits in the spectrum of pulsating Poiseuille flow. (English) Zbl 1506.76037
Transient linear stability of pulsating Poiseuille flow using optimally time-dependent modes. (English) Zbl 1487.76033
Basis property of eigen- and associated functions of an operator with nondense domain of definition in the example of the Orr-Sommerfeld problem. (English. Russian original) Zbl 06845191
Math. Notes 102, No. 6, 866-871 (2017); translation from Mat. Zametki 102, No. 6, 931-937 (2017).
The theory of regularized traces of operators as applied to approximate computation of eigenvalues and eigenfunctions of fluid dynamics problems. (Russian, English) Zbl 1274.35287
Zh. Vychisl. Mat. Mat. Fiz. 52, No. 5, 883-915 (2012); translation in Comput. Math. Math. Phys. 52, No. 5, 756-786 (2012).
Conditions for localization of the limit spectrum of a model operator associated with the Orr-Sommerfeld equation. (English. Russian original) Zbl 1264.34172
Dokl. Math. 86, No. 1, 549-552 (2012); translation from Dokl. Akad. Nauk, Ross. Akad. Nauk 445, No. 5, 506-509 (2012).
Reviewer: Alexey Fedoseev (Saratov)
Titchmarsh-Sims-Weyl theory for complex Hamiltonian systems on Sturmian time scales. (English) Zbl 1205.34125
Method of regularized traces. (Russian. English summary) Zbl 1192.65061
Semiclassical approximation for a nonself-adjoint Sturm-Liouville problem with a parabolic potential. (English. Russian original) Zbl 1192.34032
Math. Notes 86, No. 3, 442-446 (2009); translation from Mat. Zametki 86, No. 3, 469-473 (2009).
Reviewer: Bilender P. Allahverdiev (Isparta)
Spectra and pseudospectra. The behavior of nonnormal matrices and operators. (English) Zbl 1085.15009
Princeton, NJ: Princeton University Press (ISBN 0-691-11946-5/hbk). xviii, 606 p. (2005).
Reviewer: J. B. Butler jun. (Portland)
Revisiting the stability of pulsatile pipe flow. (English) Zbl 1060.76041
MSC:
76E05
On \(\varepsilon\)-spectra and stability radii. (English) Zbl 1016.65014
Reviewer: Miloslav Znojil (Řež)
MSC:
65F15
Boundary eigenvalue problems for differential equations \(N\eta=\lambda P\eta\) with \(\lambda\)-polynomial boundary conditions. (English) Zbl 0984.34010
Reviewer: Vyacheslav Pivovarchik (Odessa)
Dynamical properties of forced shear layers in an annular geometry. (English) Zbl 1003.76092
Reviewer: F.Kaplanski (Tallinn)
The essential spectrum of linear operator pencils. (Das wesentliche Spektrum linearer Operatorpencils.) (German) Zbl 0947.47010
Reviewer: J.B.Butler jun.(Portland)
How to define the Orr-Sommerfeld operator? (English. Russian original) Zbl 1029.47503
Mosc. Univ. Math. Bull. 53, No. 4, 36-43 (1998); translation from Vestn. Mosk. Univ., Ser. I 1998, No. 4, 36-43 (1998).
Reviewer: A.Ju.Obolenskij (Kyïv)
Theory and numerics of spectral value sets. (English) Zbl 0942.47004
Bremen: Univ. Bremen, Fachbereich Mathematik und Informatik, 135 p. (1998).
A numerical technique to solve linear and non-linear singularly perturbed problems. (English) Zbl 0896.65054
Conca, Carlos (ed.) et al., Numerical methods in mechanics. 4th French-Latinamerican congress on Applied mathematics, University of Concepción, Concepción, Chile, December 11–15, 1995. London: Longman. Pitman Res. Notes Math. Ser. 371, 25-34 (1997).
Pseudospectra of linear operators. (English) Zbl 0896.15006
Reviewer: L.Elsner (Bielefeld)
Chebyshev acceleration techniques for large complex non Hermitian eigenvalue problems. (English) Zbl 0859.65031
Reviewer: A.Ruhe (Göteborg)
MSC:
65F15
Two-dimensional disturbance growth of linearly stable viscous shear flows. (English) Zbl 1087.76032
MSC:
76E05
On a Chebyshev matrix operator method for ordinary linear differential equations with non-constant coefficients. (English) Zbl 0809.65089
Pseudospectra of the Orr-Sommerfeld operator. (English) Zbl 0778.34060
Reviewer: W.D.Evans (Cardiff)
On the numerical solution of the Orr-Sommerfeld equation. (English. Russian original) Zbl 0727.76086
U.S.S.R. Comput. Math. Math. Phys. 30, No. 2, 183-186 (1990); translation from Zh. Vychisl. Mat. Mat. Fiz. 30, No. 4, 611-615 (1990).
MSC:
76M25
76M20
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