A model based on inherent strain theory has been proposed to explain the mechanism at different stage of local PWHT.

提出了基于固有应变理论的模型，对焊后局部热处理各个阶段的特征进行了阐述。

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Then an analytical model for axisymmetric case is developed based on the total strain theory and membrane assumption.

基于全量塑性理论及膜应变假定，推导了轴对称情况的解析计算模型；

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Limit strain is able to be calculated by the combination of the fractionized displacement transfer (FDT) algorithm and the finite strain theory.

将分段位移传递法和有限应变理论相结合，可计算大变形下的极限应变。

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By the 1980s game theory was considered a strain of economics.

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That theory received a big boost when tests on the British virus showed it to be virtually identical to the strain that had caused the Hungarian outbreak.

ECONOMIST: Avian flu