نتایج جستجو برای: second layer and half space respectively
تعداد نتایج: 16976139 فیلتر نتایج به سال:
We study steady Boltzmann equation in half-space, which arises the Knudsen boundary layer problem, with diffusive reflection conditions. Under certain admissible conditions and source term decaying exponentially, we establish existence of solution for both linear nonlinear half-space condition $L^\infty_{x,v}$ when far-field Mach number Maxwellian is zero. The continuity spacial decay are obtai...
the present research was an attempt to see how quranic lexical collocations were translated into english by two professional translators namely, abdullah yusuf(2005), and muhammad s. shakir(2012). the study attempted qualitatively to shed light on how translators dealt with quranic lexical collocations when transferring them to the target language based on the newmark(1988) model , and quantit...
The paper studies the possibility of propagation of torsional surface waves in an elastic layer with void pores over an elastic medium with void pores using the mechanics of the medium as derived by Cowin and Nunziato. The velocity equation has been derived and the results have been discussed. The study reveals that there may be more than one torsional surface wave fronts and one Love wave fron...
abstract the following study, in the first place, attempted to examine the effect of less experienced teachers participation in experienced teachers classes on their own skills and teaching methodology, in the second place, attempted to find out the role of teachers training in students achievements. for this purpose, 21 efl teachers were selected according to available sampling in kish l...
abstract part one: the electrode oxidation potentials of a series of eighteen n-hydroxy compounds in aqueous solution were calculated based on a proper thermodynamic cycle. the dft method at the level of b3lyp-6-31g(d,p) was used to calculate the gas-phase free energy differences ,and the polarizable continuum model (pcm) was applied to describe the solvent and its interaction with n-hydroxy ...
A conductivity depth imaging (CDI) algorithm for concentric-coil helicopter time-domain electromagnetic (HTEM) systems is developed based on the pseudo-layer half-space model. The primary advantages of this model are immunity to altimeter errors, and a bias towards conductive layers. Effective depth is derived empirically from the computed conductivity, sampling time, and apparent thickness of ...
In the present paper, effect of initial stresses and gravity on propagation Love waves has been studied in porous layer surface over a heterogeneous half-space. We have considered two types boundary free surfaces: (a) rigid (b) traction boundary. The investigated under assumed media both cases discusses comparison study cases. dispersion equations phase velocities obtained numerical calculation...
a transversely isotropic half-space with axis of material symmetry perpendicular to the free surface supports a flexible circular plate. the contact area of the plate and the half-space is considered to be both frictionless and unbonded (tensionless). the foundation is affected by a vertical static axisymmetric load. detailed analysis of the interaction of these two systems is the target of thi...
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