Palliation
发表于 2025-3-28 18:17:37
Spectral and asymptotic properties of linear elastic systems with internal energy dissipation,ipation mechanisms based only upon their mathematical convenience and discuss alternatives which originate from more fundamental physical considerations. The last section introduces two mechanisms, namely; thermoelastic damping and shear diffusion damping, which, to our knowledge, have not been discussed previously in this context.
Organization
发表于 2025-3-28 20:35:02
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Ccu106
发表于 2025-3-28 23:52:25
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勉励
发表于 2025-3-29 04:09:20
Microlocal ideas in control and stabilization,l Equations. The problems discussed below concern the observation, control or stabilization of waves governed by hyperbolic partial differential equations. A necessary condition for any of the three processes is that the intervention must be on a large enough set that it encounters every ray of geom
Immunoglobulin
发表于 2025-3-29 10:32:21
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独特性
发表于 2025-3-29 13:23:32
On riblets in laminar flows, believed that it is a turbulent process because they trap the main eddies that develop near the solid body surfaces..This report deals with the efficiency of riblets in laminar viscous flows. We formulate the problem as a distributed parameter optimum design problem for Poiseuille flow, show that e
Trochlea
发表于 2025-3-29 17:37:40
Shape Analysis and Optimization: Lagrangian Methods and Applications,. The deformation of the domain by a . (the so-called .) provides an efficient way to get computable expressions for the Shape Gradient. Simple techniques using theorems on the differentiability of a Min Max with respect to a parameter and a Lagrangian formulation have recently been used. They provi
怒目而视
发表于 2025-3-29 21:26:15
,A newton ’s method in a domain optimization problem,are derived. These variations are discretized by introducing a set of boundary value problems in order to derive the second order numerical method. The boundary value problems are solved by the conventional finite element method. A simple numerical example is examined and shows the efficiency of the
Conflagration
发表于 2025-3-30 01:06:29
Exact controllability in short time,esent here a constructive method to improve these estimates. It is based on a slightly more precise form of the usual a priori estimates in the HUM method and on an estimation method introduced recently (for different purposes) by A. Haraux.
寡头政治
发表于 2025-3-30 07:13:45
Stabilization of a vibrating string system linked by point masses,feedback of pure velocities of the vibrating masses in certain cases, but can be achieved by feedback combining the mass velocities with the interior distributed or pointwise velocity when designed appropriately.