نتایج جستجو برای: method of weighted residuals
تعداد نتایج: 21275302 فیلتر نتایج به سال:
in this thesis, we consider a mathematical model of cancer with completely unknown parameters. we study the stability of critical points which are biologically admissible. then we consider a control on the system and introduce situations at which solutions are attracted to critical points and so the cancer disease has auto healing. the lyapunov stability method is used for estimating the un...
the present research has been deducted from a provincial research project which aims at determining the relationship of variables of variables of occupational self-concept, intelligence beliefs and metacognitive with entrepreneurship among the students of payame noor university of kurdistan. the volume of the samples was 1080 students (576 female and 504 male students). the research methodology...
Residual Analysis for Detecting Mis-modeling in fMRI (Running title: Detecting Mis-modeling in fMRI)
The voxel-wise general linear model (GLM) approach has arguably become the dominant way to analyze functional magnetic resonance imaging (fMRI) data. The approach relies on specifying predicted patterns of signal change a priori. In this work we develop methods for detecting mis-modeling in the GLM framework, and derive mathematical expressions for quantifying the effects this has on bias and p...
The voxel-wise general linear model (GLM) approach has arguably become the dominant way to analyze functional magnetic resonance imaging (fMRI) data. The approach relies on specifying predicted patterns of signal change a priori. In this work we develop methods for detecting mis-modeling in the GLM framework, and derive mathematical expressions for quantifying the effects this has on bias and p...
The paper is continuation of our efforts on application the properly constructed sets exponential functions as trial (basic) in weighted residuals method, WRM, example classical tasks structural mechanics. purpose this justification new method’s efficiency opposed to getting results. So, static deformation and free vibration isotropic thin – walled plate are considered here. Another peculiarity...
this research aims at answering the questions about translation problems and strategies applied by translators when translating cultural concepts. in order to address this issue, qualitative and quantitative study were conducted on two groups of subjects at imam reza international university of mashhad. these two groups were assigned as beginner and advanced translation students (10 students). ...
Thermodynamic analysis of a steady state flow and heat transfer of an Oldroyd 8-constant fluid with effect of heat source, velocity slip and buoyancy force under tranverse a magnetic field is is carried out in this paper. The model for momentum and energy balance is tackled numerically using Method of Weighted Residual (MWR). Partition method is used to minimize the associated residuals. The re...
We develop an approach to reduce the governing equation of motion for the nonlinear vibration of a clamped laminated composite to the Duffing equation in a decoupled modal form. The method of weighted residuals enables such a reduction for laminates with clamped boundary conditions. Both rigidly clamped and loosely clamped boundary conditions are analyzed using this method. The reduction method...
Computational fluid mechanics based on the finite element method has been developed so far following two distinct approaches (a) using a stream function, or stream functlon-vortlcity formulation [1,2], and (b) using a primitive variables formulation [3,4,5]. Within the first approach a stream function is defined such that the continuity equation is identically satisfied and the momentum equatio...
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