The paper analyses the bending fatigue strength of a crankshaft single crank from the view point of reliability design by means of 3d finite element method.

本文运用三维有限元法，从零件可靠性设计这个角度分析了曲轴单拐的弯曲疲劳强度。

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Dearborn, Michigan (CNN) -- If the crooked blue staircase, colorful crank and dangling bathtub looked familiar, well, that's the point.

CNN: This 'Mousetrap' can crush a car -- and teach physics