研究了在简谐激励作用下复合材料加筋板基体微裂纹损伤的演化行为及其对加筋板动力特性的影响。
The matrix damage evolution behavior and the effect of matrix micro-cracks on the dynamic characteristics of composite stiffened delaminated plates are studied.
针对以缺陷密度为参量的细观损伤演化模型的局限性，着重研究了微裂纹尺寸对损伤演化的影响。
The effect of the microcracks size on damage evolution was investigated to overcome the limitations of damage models based only on defect density.
提出了含三相正交分布等尺寸微裂纹的准脆性材料稳定扩展的细观损伤演化模型。
The stable growth of cracks in a brittle material with three mutually perpendicular families of microcracks under proportional tensile loads was studied.
提出了含三相正交分布等尺寸微裂纹的准脆性材料稳定扩展的细观损伤演化模型。
The stable growth of cracks in a brittle material with three mutually perpendicular families of microcracks under proportional tensile loads was studied.
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