The method based on the cubic B-spline function, beam vibration function (or trigonometric functions) and variation principle.

这个方法是建立在三次样条函数、梁振动函数(或三角函数)及变分原理基础上。

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The computations show that the foundation elasticity stiffness abrupt change has greater influences on beam vibration. This influences increase with increase of the velocity of the moving loads.

计算表明，基础弹性突变对梁的振动有较大影响，其影响随着移动荷载速度的增加而增加。

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Additionally, the unit's rigid frame and beam chassis helps to reduce vibration and a low-leakage R-core transformer minimizes the interference of digital noise.

此外，该单位的刚架梁底盘有助于减少震动和低泄漏的R -核心变压器的干扰最小的数码噪音。

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Lasers use a light beam to cut away tooth decay before filling cavities, resulting in less vibration and pain than traditional drills, says Barry Jacobson, a pediatric dentist at Mount Sinai Medical Center in New York.

WSJ: To Cut Tooth Decay: A Laser vs. a Drill

When sound waves enter the tube, the vibration of the droplets will cause the sensor to detect changes optically as the beam is disturbed, supposedly resulting in near-perfect vocal reproduction.

ENGADGET: Inventor patents laser microphone