The Experts below are selected from a list of 282 Experts worldwide ranked by ideXlab platform
S. Pranesh - One of the best experts on this subject based on the ideXlab platform.
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Effect of temperature/gravity modulation on the onset of magneto-convection in weak electrically Conducting Fluids with internal angular momentum
Journal of Magnetism and Magnetic Materials, 1999Co-Authors: Pradeep G. Siddheshwar, S. PraneshAbstract:Abstract The effect of time-periodic temperature/gravity modulation on the onset of magneto-convection in electrically Conducting Fluids with internal angular momentum is investigated by making a linear stability analysis. The results of the present study are presented against the background of the results of weak electrically Conducting Fluids. The qualitative findings of Siddheshwar and Pranesh (J. Magn. Magn. Mater. 192 (1999) 159) are found to be true in the present case also except that the eigenvalue is found to be magnitudewise less than that obtained in the case of a weak electrically Conducting fluid.
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effect of temperature gravity modulation on the onset of magneto convection in weak electrically Conducting Fluids with internal angular momentum
Journal of Magnetism and Magnetic Materials, 1999Co-Authors: Pradeep G. Siddheshwar, S. PraneshAbstract:Abstract The effect of time-periodic temperature/gravity modulation on the onset of magneto-convection in electrically Conducting Fluids with internal angular momentum is investigated by making a linear stability analysis. The results of the present study are presented against the background of the results of weak electrically Conducting Fluids. The qualitative findings of Siddheshwar and Pranesh (J. Magn. Magn. Mater. 192 (1999) 159) are found to be true in the present case also except that the eigenvalue is found to be magnitudewise less than that obtained in the case of a weak electrically Conducting fluid.
Ouayl Chadli - One of the best experts on this subject based on the ideXlab platform.
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noncoercive stationary navier stokes equations of heat Conducting Fluids modeled by hemivariational inequalities an equilibrium problem approach
Results in Mathematics, 2019Co-Authors: Suliman Alhomidan, Qamrul Hasan Ansari, Ouayl ChadliAbstract:In this paper, we study the existence of solutions for noncoercive stationary Navier–Stokes equations of heat-Conducting Fluids with nonmonotone boundary conditions modeled by hemivariational inequalities. Our method is new and differs from most of the existing techniques developed in the literature. It is based on a recent approach developed on the existence of solutions for mixed equilibrium problems described by the sum of a maximal monotone bifunction and a pseudomonotone bifunction in the sense of Brezis. We introduce a Browder–Tikhonov regularization method for mixed equilibrium problems by means of the duality mapping with gauge function $$\mu (t)$$. By using this regularization procedure and techniques from the recession analysis, we study the existence of solutions for the problem considered in this paper.
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Noncoercive Stationary Navier–Stokes Equations of Heat-Conducting Fluids Modeled by Hemivariational Inequalities: An Equilibrium Problem Approach
Results in Mathematics, 2019Co-Authors: Suliman Al-homidan, Qamrul Hasan Ansari, Ouayl ChadliAbstract:In this paper, we study the existence of solutions for noncoercive stationary Navier–Stokes equations of heat-Conducting Fluids with nonmonotone boundary conditions modeled by hemivariational inequalities. Our method is new and differs from most of the existing techniques developed in the literature. It is based on a recent approach developed on the existence of solutions for mixed equilibrium problems described by the sum of a maximal monotone bifunction and a pseudomonotone bifunction in the sense of Brézis. We introduce a Browder–Tikhonov regularization method for mixed equilibrium problems by means of the duality mapping with gauge function $$\mu (t)$$ μ ( t ) . By using this regularization procedure and techniques from the recession analysis, we study the existence of solutions for the problem considered in this paper.
Pradeep G. Siddheshwar - One of the best experts on this subject based on the ideXlab platform.
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Effect of temperature/gravity modulation on the onset of magneto-convection in weak electrically Conducting Fluids with internal angular momentum
Journal of Magnetism and Magnetic Materials, 1999Co-Authors: Pradeep G. Siddheshwar, S. PraneshAbstract:Abstract The effect of time-periodic temperature/gravity modulation on the onset of magneto-convection in electrically Conducting Fluids with internal angular momentum is investigated by making a linear stability analysis. The results of the present study are presented against the background of the results of weak electrically Conducting Fluids. The qualitative findings of Siddheshwar and Pranesh (J. Magn. Magn. Mater. 192 (1999) 159) are found to be true in the present case also except that the eigenvalue is found to be magnitudewise less than that obtained in the case of a weak electrically Conducting fluid.
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effect of temperature gravity modulation on the onset of magneto convection in weak electrically Conducting Fluids with internal angular momentum
Journal of Magnetism and Magnetic Materials, 1999Co-Authors: Pradeep G. Siddheshwar, S. PraneshAbstract:Abstract The effect of time-periodic temperature/gravity modulation on the onset of magneto-convection in electrically Conducting Fluids with internal angular momentum is investigated by making a linear stability analysis. The results of the present study are presented against the background of the results of weak electrically Conducting Fluids. The qualitative findings of Siddheshwar and Pranesh (J. Magn. Magn. Mater. 192 (1999) 159) are found to be true in the present case also except that the eigenvalue is found to be magnitudewise less than that obtained in the case of a weak electrically Conducting fluid.
Qamrul Hasan Ansari - One of the best experts on this subject based on the ideXlab platform.
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noncoercive stationary navier stokes equations of heat Conducting Fluids modeled by hemivariational inequalities an equilibrium problem approach
Results in Mathematics, 2019Co-Authors: Suliman Alhomidan, Qamrul Hasan Ansari, Ouayl ChadliAbstract:In this paper, we study the existence of solutions for noncoercive stationary Navier–Stokes equations of heat-Conducting Fluids with nonmonotone boundary conditions modeled by hemivariational inequalities. Our method is new and differs from most of the existing techniques developed in the literature. It is based on a recent approach developed on the existence of solutions for mixed equilibrium problems described by the sum of a maximal monotone bifunction and a pseudomonotone bifunction in the sense of Brezis. We introduce a Browder–Tikhonov regularization method for mixed equilibrium problems by means of the duality mapping with gauge function $$\mu (t)$$. By using this regularization procedure and techniques from the recession analysis, we study the existence of solutions for the problem considered in this paper.
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Noncoercive Stationary Navier–Stokes Equations of Heat-Conducting Fluids Modeled by Hemivariational Inequalities: An Equilibrium Problem Approach
Results in Mathematics, 2019Co-Authors: Suliman Al-homidan, Qamrul Hasan Ansari, Ouayl ChadliAbstract:In this paper, we study the existence of solutions for noncoercive stationary Navier–Stokes equations of heat-Conducting Fluids with nonmonotone boundary conditions modeled by hemivariational inequalities. Our method is new and differs from most of the existing techniques developed in the literature. It is based on a recent approach developed on the existence of solutions for mixed equilibrium problems described by the sum of a maximal monotone bifunction and a pseudomonotone bifunction in the sense of Brézis. We introduce a Browder–Tikhonov regularization method for mixed equilibrium problems by means of the duality mapping with gauge function $$\mu (t)$$ μ ( t ) . By using this regularization procedure and techniques from the recession analysis, we study the existence of solutions for the problem considered in this paper.
David Hoff - One of the best experts on this subject based on the ideXlab platform.
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discontinuous solutions of the navier stokes equations for multidimensional flows of heat Conducting Fluids
Archive for Rational Mechanics and Analysis, 1997Co-Authors: David HoffAbstract:We prove the global existence of weak solutions of the Navier-Stokes equations for compressible, heat-Conducting Fluids in two and three space dimensions when the initial density is close to a constant in L 2∩L ∞, the initial temperature is close to a constant in L 2, and the initial velocity is small in H s ∩L 4, where s=0 when n=2 and when n=3. (The L p norms must be weighted slightly when n=2.) In particular, the initial data may be discontinuous across a hypersurface of n . A great deal of qualitative information about the solution is obtained. For example, we show that the velocity, vorticity, and temperature are relatively smooth in positive time, as is the “effective viscous flux”F, which is the divergence of the velocity minus a certain multiple of the pressure. We find that F plays a central role in the entire analysis, particularly in closing the required energy estimates and in understanding rates of regularization near the initial layer. Moreover, F is precisely the quantity through which the hyperbolicity of the corresponding equations for inviscid Fluids shows itself, an effect which is crucial for obtaining time-independent pointwise bounds for the density.