For a simply supported Bernoulli-Euler beam under moving load with constant velocity the bending and torsion vibrations are analysed. An analytical solution of decoupled partial differential equations is derived based on eigenmode expansion considering boundary initial conditions. pure analysis performed calculated. various longitudinal speeds results plotted. The coupled deformations computed ...

INTRODUCTION The follower load represents the path of the internal force resultant passing through the centers of rotation of successive spinal segments. An ideal follower load is perpendicular to the mid-plane of the intervertebral disc and minimizes shear and bending moments at all levels. Patwardhan and colleagues showed that a follower compressive preload increases the stability and load ca...

Visualization of a three-dimensional fish behavior based on the successive feature extraction using the time sequential three-dimensional shape modeling is reported. The principle of the modeling is based on the intersected viewing pyramid consisting of each image boundary of the object and the corresponding focal point. Threedirectional video images are simultaneously acquired and sequential s...

Several studies show that the perception of occlusion may affect various aspects of motion perception. Here we present data indicating that occlusion cues also influence the visual interpolation of sampled motion. Normally, sampled motion stimuli are perceived as less smooth and jerkier when the spatial gaps between successive presentations of the "moving" target stimulus increase. Adding surfa...

|The problem addressed in this paper is obstacle detection in the context of mobile robot navigation using visual information. The goal is achieved by analyzing successive pairs of time varying images acquired with the TV camera mounted on the moving robot. Assuming the robot is moving on a at ground, any obstacle is identi ed by any cluster of points not coplanar with the largest number of poi...

Many scientific applications involve grids that lack a uniform underlying structure. These applications are often also dynamic in nature in that the grid structure significantly changes between successive phases of execution. In parallel computing environments, mesh adaptation of unstructured grids ti_rough selective refinemcnttcoarsening has proven to be an effective approach. However, achievi...

A robust algorithm is proposed in this paper for contour extraction and tracking of moving vehicles. A snake model is modified, in which directional information is utilized to guide the snaxels’ behavior. Then an adaptive shape restriction is applied to govern the scope of the snake’s motion, and Kalman filter is employed to estimate spatio-temporal relationship between successive frames. Moreo...