The results showed that the buckling configuration was helical curve for the gravitational tubular under the axial compressive force and torque.
结果表明，受压扭组合作用的有重管柱的屈曲构型为上疏下密的螺旋曲线。
2
The paper analyzes the effect of geometrical parameter variations of helical port due to some tolerances in manufacturing, configuration on the inlet air flow characteristics.
本文分析了螺旋进气道在生产过程中的偏差而导致气道几何参数的变化对气道流动特性的影响。
3
Here, force and deformation of a conical helical spring are discussed based on equilibrium configuration after deformation, and a nonlinear analytic formula is derived.