在由27个组合振子构成的阵列中。居间频率范围内出现一个轴向和径向的强烈耦合模。
In an array consists of 27 combination vibrators, a strong coupling mode of axial and radial vibrations presents in the intermediate frequency range.
钢管周向和径向的应力值不大，而轴向应力值较大，最大轴向应力出现在钢管与芯模的接触部位。
The axial stress on the steel tube which appears on the contact region of the steel tube and mandril is larger than the radial and circumferential stress.
对于轴对称任意径向分层的完全非均匀介质，建立了求解静场问题数值模格林函数的理论及高效计算方法；
The theory and high efficient algorithm is set up to obtain the numerical mode Greens function for static steady field problem in arbitrary cylindrical layered media.
应用推荐