Propagation properties of the nonlinear torsional wave in a non-circular cross-sectional rod are investigated in this paper.
研究了非圆截面杆中非线性扭转波的传播特性。
Inversely proportional to the cross-sectional area of the rod.
棒子的横截面积，成反比。
Formula for internal resistance ratio under a quick section - load, expressions on sectional flexural torque and shear force when rod bent are given.
给出了截面快速加载下的内阻比计算公式，以及杆件弯曲时截面弯矩、剪力的表达式。
The result of an example shows that using fuzzy reliability theory agrees well with practical situation in the calculation of sectional compression rod stability.
应用实例表明在组合式压杆稳定可靠度计算中应用模糊可靠性理论更加符合实际状况。
We present a fuzzy method for the calculating of sectional compression rod stability. The calculation formula of fuzzy reliability of sectional compression rod stability is given.
介绍了模糊方法在组合式压杆稳定可靠性计算中的应用，给出了组合式压杆的模糊可靠度计算公式。
The press principle can be also applied to the rolling mills for rolling sectional materials, rod and line materials, pipe materials or other metal materials.
本发明涉及的轧机压下机理也能运用到轧制型材、棒线材和管材或其它金属材料的轧机中。
The press principle can be also applied to the rolling mills for rolling sectional materials, rod and line materials, pipe materials or other metal materials.
本发明涉及的轧机压下机理也能运用到轧制型材、棒线材和管材或其它金属材料的轧机中。
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