Sentence examples for rigid tracks from inspiring English sources

Some states began recommending that schools end grouping in the 1990s, amid concerns that teachers' expectations for students were shaped by the initial groupings, confining students to rigid tracks and leading teachers to devote fewer resources to low-achieving students.

After putting about 300 YouTube comments written in Arabic through Google Translate, all I've really learned is that everyone agrees that this is a very "rigid" track; a viewpoint I wholeheartedly endorse myself).

For the random corrugation, the Timoshenko beam track model shows obvious difference compared with a rigid track model.

Figure 7 shows the contact force of three directions for a flexible track and an infinitely rigid track, respectively.

For the flexible track model, the ratio is 10 15% higher than the rigid track and shows a greater increasing trend compared to the rigid one, confirming the influence of the flexible track model.

In the frequency range below 800 Hz, the spectra of the contact forces are on average higher for the model considering a rigid track, compared to the model considering a flexible track.

A composite railroad track is a rigid track system that is developed using quick-hardening infilling materials, and has the advantages of a reduced maintenance cost compared to a conventional ballasted track.

In the frequency range below 800 Hz, the flexible track model shows lower contact forces than the rigid model, while for frequency higher than 1000 Hz, the contact forces of the flexible track model are slightly higher than for the rigid track model.

Numerical results for an example include verification of the proposed method by comparing with finite element method (FEM) results; comparison between the present model and the traditional rigid track model and; discussion of the influences of track damping and vehicle velocity.

A rigid track can decrease the possibility of overstepping.

An unsuspended wheelset with an induced hunting motion moving on flexible and rigid tangent tracks and a vehicle model are simulated using rail defects as excitations sources such that the performance of this procedure using a fully 3D contact algorithm is shown and analyzed.