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应力-应变关系
释义
应力-应变关系
Encyclopedia
工学
弹性力学
释
stress-strain relationship
应力-应变关系
在外力作用下,物体内部的应力和变形规律必然与物质本身结构构造有关联。描述物性关系的数学表达式通常称为本构关系,广义地说本构关系可以包括许多物理性质的内容,如材料的热力学性质、电磁场效应等。只考虑力学性质的本构方程,在弹性力学中亦称为弹性方程或物理方程,即应力-应变关系。
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