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发表于 2016-8-25 20:22:26
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来自 江苏
Cohesive elements using a continuum response
Stress and other tensors (including strain tensors) are available for elements with continuum response. Both the stress tensor and the strain tensor contain true values. For the constitutive calculations using a continuum response, only the direct through-thickness and the transverse shear strains are assumed to be nonzero. All the other strain components (i.e., the membrane strains) are assumed to be zero (see “Modeling of an adhesive layer of finite thickness” in “Defining the constitutive response of cohesive elements using a continuum approach,” Section 32.5.5, for details). All tensors have the same number of components. For example, the stress components are as follows:
S11 Direct membrane stress.
S22 Direct membrane stress.
S33 Direct through-thickness stress.
S12 In-plane membrane shear stress.
S13 Transverse shear stress.
S23 Transverse shear stress.
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