These formulae give us the stress and strain in a prismatic beam when it is subjected to pure bending .
当棱柱形梁受纯弯曲时，这些公式给出了它的主力和主变。
An improved K_ (IC) formula for indented bending beam method is proposed by considering the contribution from residual stress to the total stress intensity at the indentation flaw.
考虑残余应力对压痕弯曲梁应力场强度的贡献后，对相应的K _ (IC)表达式进行了修正。
The inner stress distribution of quartz rod is investigated firstly by using the pure bending theory of anisotropic beam, and numerical solution is approached.
应用各向异性柱体纯弯曲理论，探讨了石英晶体在弯矩作用下内部的应力场分布，给出了应力场的解析解法。
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