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Friedrichs systems

Weak solutions to Friedrichs systems with convex constraints

Weak solutions to Friedrichs systems with convex constraints

... This work is organized as follows. In a first section we discuss various ex- amples, some of them arising in material strength modeling. Next, we focus on Friedrichs systems and Problem (1). Uniqueness is ...

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The structure of well-balanced schemes for Friedrichs systems with linear relaxation

The structure of well-balanced schemes for Friedrichs systems with linear relaxation

... schemes, Friedrichs systems, conservative formulation, finite volume ...of Friedrichs systems with linear relaxation, having in mind the definition of well-balanced schemes which is a hot ...

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Asymptotic preserving schemes on distorted meshes for Friedrichs systems with sti relaxation: application to angular models in linear transport.

Asymptotic preserving schemes on distorted meshes for Friedrichs systems with sti relaxation: application to angular models in linear transport.

... of Friedrichs systems on unstructured meshes based on a decomposition between the hyperbolic heat equation and a linear hyperbolic which not involved in the diffusive ...

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Trefftz Discontinuous Galerkin basis functions for a class of Friedrichs systems coming from linear transport

Trefftz Discontinuous Galerkin basis functions for a class of Friedrichs systems coming from linear transport

... lyzed in [ 23 ]. For the family of Friedrichs systems evaluated in this work, h-convergence can be found in [ 29 , 31 , 30 ]. The validation of the new basis functions that is proposed below is based more ...

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A numerical approach of Friedrichs' systems under constraints in bounded domains

A numerical approach of Friedrichs' systems under constraints in bounded domains

... 3. Yves Coudi`ere, Jean-Paul Vila, and Philippe Villedieu. Convergence d’un sch´ema volumes finis explicite en temps pour les syst`emes hyperboliques lin´eaires sym´etriques en domaines born´es. C. R. Acad. Sci. Paris ...

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Dissipative formulation of initial boundary value problems for Friedrichs' systems

Dissipative formulation of initial boundary value problems for Friedrichs' systems

... Abstract In this article we present a dissipative definition of a solution for initial boundary value problems for Friedrichssystems posed in the space L 2 t,x . We study the information contained in this ...

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Trefftz discontinuous Galerkin method for Friedrichs systems with linear relaxation: application to the P 1 model

Trefftz discontinuous Galerkin method for Friedrichs systems with linear relaxation: application to the P 1 model

... The scheme will be well balanced (in the sense of proposition 3.7 ) and one can hope the asymptotic behavior of the two dimensional scheme will come naturally from the basis functions: n[r] ...

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Information Systems and Web Information Systems: A Methodological Perspective

Information Systems and Web Information Systems: A Methodological Perspective

... Discourse Figure 1. Two-phase organisation of system life-cycle Classification framework of conceptual models The information systems community has developed a large number of conceptual models for representing ...

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Systems of systems: From mission definition to architecture description

Systems of systems: From mission definition to architecture description

... constituent systems is the main feature of ...Oriented Systems Engineering Method (OOSEM) [16, 17] and Harmony-SE [18] systems engineers can trace system boundaries and define requirements ...

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Collaborative Systems Thinking Research: Exploring Systems Thinking within Teams

Collaborative Systems Thinking Research: Exploring Systems Thinking within Teams

... collaborative systems thinking, defined as “an emergent behavior of teams resulting from the interactions of team members and utilizing a variety of thinking styles, design processes, tools, and communication ...

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Memoryless systems generate the class of all discrete systems

Memoryless systems generate the class of all discrete systems

... biological systems can be described in this way, as assemblies of transistors or assemblies of simple ...computer systems than for biological ...biological systems, including the ...

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Memoryless systems generate the class of all discrete systems

Memoryless systems generate the class of all discrete systems

... discrete systems and a specific mapping that will serve our purposes (Section ...two systems are equivalent if they transform input streams into output streams in the same way (Section ...two systems ...

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Modeling Timed Systems

Modeling Timed Systems

... distributed systems to ensure that the clocks progress at approximately the same ...possible systems whose behavior is unaffected by variations in the timing of computation and networking, up to a point of ...

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Advanced Computation Systems

Advanced Computation Systems

... The general approach is also being applied to problems of medical diagnosis and data interpretation such as are encountered in electrocardiographic, phonocardio- grap[r] ...

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Clock Transition Systems

Clock Transition Systems

... Finally, new techniques developed directly for CTSs can be immediately ap- plied to both TPNs and TA, thus reducing the duplication of efforts. 6 Conclusion and perspectives We defined the new model of clock transition ...

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Abstract numeration systems

Abstract numeration systems

... “Pisot systems” If the characteristic polynomial of (U i ) i ≥0 is the minimal polynomial of a Pisot number θ then “everything” is fine: L U is regular, addition preserves recognizability, logical first ...

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Abstract numeration systems

Abstract numeration systems

... numeration systems or linear numeration systems, and even rational numeration ...numeration systems, we try to distinguish results that deeply depend on the algorithm used to represent the integers ...

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Gravitational Dynamical Systems

Gravitational Dynamical Systems

... self-gravitating systems are spherical and isotropic and thus their gravitational potentials are radial, ψ = ψ ( r ) with r = |r| ...self-gravitating systems could settle down in a truncated isothermal ...

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Approximation of linear distributed parameter systems by delay systems

Approximation of linear distributed parameter systems by delay systems

... proximation of the non atomic parts (N na , D na ). This last part may be realized by any convergent method in L 1 (0, ∞), as for instance in [10,13]. For direct computa- tions in the Laplace domain, Laguerre polynomials ...

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Composite information systems : a new concept in information systems

Composite information systems : a new concept in information systems

... virtual machines and for resolving data format differences among the user's execution environments and the various database.. These strategies include: use of shared virtual disk.[r] ...

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