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重点对含I型裂纹正交异性功能梯度材料板的应力场和位移场进行理论分析。首次推出了正交异性功能梯度材料板的裂纹尖端应力场、位移场和梯度应力强度因子的理论计算公式。本研究成果对功能梯度材料的断裂分析有重要的理论价值和工程使用价值。
The stress field and displacement field of the I-FGM-FGM plate are mainly analyzed theoretically. The theoretical formula of stress field, displacement field and gradient stress intensity factor at crack tip of orthotropic FGM sheets was first introduced. The results of this study have important theoretical value and engineering value for the fracture analysis of functionally graded materials.