The Experts below are selected from a list of 270 Experts worldwide ranked by ideXlab platform

F. C. Hoh - One of the best experts on this subject based on the ideXlab platform.

  • On the foundation of QCD and an overview of the spinor strong Interaction Theory
    1998
    Co-Authors: F. C. Hoh
    Abstract:

    Based upon its predictive power as well as its theoretical foundation, it is reasoned that QCD is not the correct strong Interaction Theory for hadrons. The meson and baryon wave equations of the spinor strong Interaction Theory are presented. Contact of this Theory with data is good for a number of basic issues at low energies. At high energies, this Theory possesses properties similar to those of QCD.

  • Meson-lepton Interaction in the spinor strong Interaction Theory
    International Journal of Theoretical Physics, 1997
    Co-Authors: F. C. Hoh
    Abstract:

    The recently developed spinor strong Interaction Theory, which successfully accounts for linear confinement and classification of mesons as well as unmixed meson spectra, is applied to semileptonic decays of the π,K, D, andB mesons. These mesons themselves generate massM w for the mediating gauge boson; no Higgs boson is needed. The Theory is also applied to purely leptonic Interactions. It is shown that the results of the standard electroweak model can be taken over with the Higgs boson replaced by the above mesons. The Cabbibo angle ϑC is given by tan ϑC=(pion mass)/(kaon mass), in agreement with data. The pion decay constantF is essentially a ratio between two large constants introduced to make certain infinite integrals finite.M w is also related to a similar cutoff constant.

  • Meson classification and spectra in the spinor strong Interaction Theory
    Journal of Physics G: Nuclear and Particle Physics, 1996
    Co-Authors: F. C. Hoh
    Abstract:

    Known two-quark or unmixed mesons are classified according to the recently proposed spinor strong Interaction Theory, which also aids in the tentative classification of four-quark mixed mesons. No approximation is made in the derivation of the mass formula from the covariant basic equations, in which linear confinement is inherent. The ground-state scalar and axial vector mesons are not confined and cannot exist. The forbidden states include the unseen . Six unmixed pseudoscalar meson masses are used to determine the five quark masses and the eigenvalue of the nonlinear differential equation of the Theory. The predicted masses of the remaining unmixed pseudoscalar mesons agree with data within experimental error or very close to it. The predicted vector meson masses agree fairly well with data. Predicted masses of purely radially excited mesons also agree with data within experimental error, using three data points as input.

Yunsheng Zhang - One of the best experts on this subject based on the ideXlab platform.

  • Isogeometric fluid-structure Interaction: Theory, algorithms, and computations
    Computational Mechanics, 2008
    Co-Authors: Yuri Bazilevs, T. J. R. Hughes, Victor M. Calo, Yunsheng Zhang
    Abstract:

    We present a fully-coupled monolithic formulation of the fluid-structure Interaction of an incompressible fluid on a moving domain with a nonlinear hyperelastic solid. The arbitrary Lagrangian-Eulerian description is utilized for the fluid subdomain and the Lagrangian description is utilized for the solid subdomain. Particular attention is paid to the derivation of various forms of the conservation equations; the conservation properties of the semi-discrete and fully discretized systems; a unified presentation of the generalized-alpha time integration method for fluid-structure Interaction; and the derivation of the tangent matrix, including the calculation of shape derivatives. A NURBS-based isogeometric analysis methodology is used for the spatial discretization and three numerical examples are presented which demonstrate the good behavior of the methodology.

Yuxin Zhao - One of the best experts on this subject based on the ideXlab platform.

  • application of free Interaction Theory in swept shock wave turbulent boundary layer Interactions
    Journal of Visualization, 2018
    Co-Authors: Gang He, Jin Zhou, Yuxin Zhao
    Abstract:

    Fin-generated swept shock wave/turbulent boundary layer Interactions were experimentally investigated via nanoparticle-based planar laser scattering method, surface oil flow visualizations, surface pressure measurements, and particle image velocimetry. Surface plateau pressure is also theoretically predicted. The plateau pressure of present quasi-conical swept shock Interaction is dependent on the local skin friction coefficient and normal Mach number component, and can be predicted per a criterion deduced from free Interaction Theory. Visualizations and surface pressure measurements confirm that the surface plateau pressure data are equal to the pressure downstream of the separation shock; the upstream influence line is parallel to the impingement line of the separation shock on the flat plate. These observations support the free Interaction Theory as-applied to quasi-conical swept shock Interactions.

  • Application of free Interaction Theory in swept shock wave/turbulent boundary layer Interactions
    Journal of Visualization, 2017
    Co-Authors: Jin Zhou, Yuxin Zhao
    Abstract:

    Fin-generated swept shock wave/turbulent boundary layer Interactions were experimentally investigated via nanoparticle-based planar laser scattering method, surface oil flow visualizations, surface pressure measurements, and particle image velocimetry. Surface plateau pressure is also theoretically predicted. The plateau pressure of present quasi-conical swept shock Interaction is dependent on the local skin friction coefficient and normal Mach number component, and can be predicted per a criterion deduced from free Interaction Theory. Visualizations and surface pressure measurements confirm that the surface plateau pressure data are equal to the pressure downstream of the separation shock; the upstream influence line is parallel to the impingement line of the separation shock on the flat plate. These observations support the free Interaction Theory as-applied to quasi-conical swept shock Interactions.

Yuri Bazilevs - One of the best experts on this subject based on the ideXlab platform.

  • Isogeometric fluid-structure Interaction: Theory, algorithms, and computations
    Computational Mechanics, 2008
    Co-Authors: Yuri Bazilevs, T. J. R. Hughes, Victor M. Calo, Yunsheng Zhang
    Abstract:

    We present a fully-coupled monolithic formulation of the fluid-structure Interaction of an incompressible fluid on a moving domain with a nonlinear hyperelastic solid. The arbitrary Lagrangian-Eulerian description is utilized for the fluid subdomain and the Lagrangian description is utilized for the solid subdomain. Particular attention is paid to the derivation of various forms of the conservation equations; the conservation properties of the semi-discrete and fully discretized systems; a unified presentation of the generalized-alpha time integration method for fluid-structure Interaction; and the derivation of the tangent matrix, including the calculation of shape derivatives. A NURBS-based isogeometric analysis methodology is used for the spatial discretization and three numerical examples are presented which demonstrate the good behavior of the methodology.

Jin Zhou - One of the best experts on this subject based on the ideXlab platform.

  • application of free Interaction Theory in swept shock wave turbulent boundary layer Interactions
    Journal of Visualization, 2018
    Co-Authors: Gang He, Jin Zhou, Yuxin Zhao
    Abstract:

    Fin-generated swept shock wave/turbulent boundary layer Interactions were experimentally investigated via nanoparticle-based planar laser scattering method, surface oil flow visualizations, surface pressure measurements, and particle image velocimetry. Surface plateau pressure is also theoretically predicted. The plateau pressure of present quasi-conical swept shock Interaction is dependent on the local skin friction coefficient and normal Mach number component, and can be predicted per a criterion deduced from free Interaction Theory. Visualizations and surface pressure measurements confirm that the surface plateau pressure data are equal to the pressure downstream of the separation shock; the upstream influence line is parallel to the impingement line of the separation shock on the flat plate. These observations support the free Interaction Theory as-applied to quasi-conical swept shock Interactions.

  • Application of free Interaction Theory in swept shock wave/turbulent boundary layer Interactions
    Journal of Visualization, 2017
    Co-Authors: Jin Zhou, Yuxin Zhao
    Abstract:

    Fin-generated swept shock wave/turbulent boundary layer Interactions were experimentally investigated via nanoparticle-based planar laser scattering method, surface oil flow visualizations, surface pressure measurements, and particle image velocimetry. Surface plateau pressure is also theoretically predicted. The plateau pressure of present quasi-conical swept shock Interaction is dependent on the local skin friction coefficient and normal Mach number component, and can be predicted per a criterion deduced from free Interaction Theory. Visualizations and surface pressure measurements confirm that the surface plateau pressure data are equal to the pressure downstream of the separation shock; the upstream influence line is parallel to the impingement line of the separation shock on the flat plate. These observations support the free Interaction Theory as-applied to quasi-conical swept shock Interactions.