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Macaulay's method for a Timoshenko beam

机译:Macaulay的Timoshenko光束方法

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摘要

The Macaulay bracket notation is familiar to many engineers for the deflection analysis of a Euier-Bernoulli beam subject to multiple or discontinuous loads. An expression for the internal bending moment, and hence curvature, is valid at all locations along the beam, and the deflection curve can be calculated by integrating twice with respect to the axial coordinate. The notation obviates the need for matching of multiple constants of integration for the various sections of the beam. Here, the method is extended to a Timoshenko beam, which includes the additional deflection due to shear. This requires an additional expression for the shearing force, also valid at all locations along the beam.
机译:许多工程师对于在多个或不连续载荷作用下的Euier-Bernoulli梁进行挠度分析时,Macrolay括号符号是许多工程师所熟悉的。内部弯曲力矩以及曲率的表达式在沿梁的所有位置都是有效的,并且可以通过相对于轴向坐标进行两次积分来计算偏转曲线。该符号消除了对于光束的各个部分匹配多个积分常数的需要。在此,该方法扩展到Timoshenko梁,其中包括由于剪切引起的附加偏转。这需要剪切力的附加表达式,该表达式在沿梁的所有位置均有效。

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