نتایج جستجو برای: impulsive load
تعداد نتایج: 159161 فیلتر نتایج به سال:
Objective: The purposes of this study were to examine the relationships between personality traits, cognitive emotion regulation strategies and impulsive behaviors of borderline personality disorder, and to explore which personality traits and cognitive emotion regulation strategies can better predict and explain the impulsive behaviors in borderline personality disorder. Methods: This study...
In this study, torsional wave propagation is investigated in a rod that are made of one and two dimensional functionally graded material. Firstly, the governing equations of the wave propagation in the functionally graded cylinder derived in polar coordinate. Secondly, finite difference method is used to discretize the equations. The Von Neumann stability approach is used to obtain the time ste...
In this paper the effect of engagement length, number teeth, amount applied load, wave propagation time, cycles, and initial crack length on principal stress distribution, velocity propagation, cyclic growth rate in a spline coupling subjected to torsional impact have been investigated analytically experimentally. It was found that stresses induced due loading are higher than with high percenta...
In the present study, a computerized test was used to compare the attention level of a group of healthy older participants aged 75 with that of a group of students aged 31. The second part of the study examined only the older participants and sought to discover how three measures of lifestyle were related to measures of attention. The results showed that the young group performed better on meas...
Composite vertical breakwaters are coastal structures used to defend port basins from waves in intermediate and deep water conditions. In order safely use the inner side of harbors, it is important limit wave overtopping. Parapet walls for this purpose. To improve hydraulic efficiency parapet wall with a fixed crown height, can be shaped giving rise recurved overhand toward sea. Its function de...
Computational algorithm for the solution of 2D and 3D dynamic problems of the Cosserat elasticity theory using multiprocessor computer systems is worked out. The algorithm is based on the two-cyclic splitting method with respect to the spatial variables in combination with the explicit monotone finite-difference ENO–scheme for solving 1D problems adapted for the calculation of discontinuities. ...
An adaptive algorithm for vibration signal modeling is proposed in the paper. The aim of the signal processing is to detect the impact signals (shocks) related to damages in rolling element bearings (REB). Damage in the REB may result in cyclic impulsive disturbance in the signal, however they are usually completely masked by the noise. Moreover, impulses may have amplitudes that vary in time d...
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