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A note on the pure bending of nonhomogeneous prismatic bars

机译:关于非均质棱柱的纯弯曲的注意事项

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The paper examines the pure bending of a linearly elastic, isotropic, nonhomogeneous bar. The bending stress, elastic strain energy and the end cross-section rotations are determined for in-plane variation of the Young's modulus with small strains and displacements. It is shown that the governing formulae for elastic pure bending of nonhomogeneous bars have same forms as formulae for symmetrical bending (bending in the principal planes) of homogeneous bars. Two examples illustrate the application of the developed formulae. In the first, a composite beam is considered; the second deals with the determination of the maximum tensile and compressive stresses in a bent functionally graded elastic bar.
机译:本文研究了线性弹性,各向同性,非均质钢筋的纯弯曲。确定杨氏模量在平面上随应变和位移的变化而产生的弯曲应力,弹性应变能和端部横截面旋转。结果表明,非均匀钢筋弹性纯弯曲的控制公式与均匀钢筋对称弯曲(在主平面上弯曲)的公式具有相同的形式。两个示例说明了所开发公式的应用。首先,考虑组合梁。第二部分涉及确定弯曲的功能渐变弹性杆中的最大拉应力和压应力。

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