中间层厚度对三明治结构中 I 型断裂能量释放率的影响研究$^{\bf 1)}$

张凡凡^*^†,宋晶如^*^†,马寒松^*^†,刘小明^*^†²⁾(

),魏悦广^**

EFFECT OF INTERLAYER THICKNESS ON THE MODE I FRACTURE ENERGY RELEASE RATE OF SANDWICH STRUCTURE$^{\bf 1)}$

Zhang Fanfan^*^†,Song Jingru^*^†,Ma Hansong^*^†,Liu Xiaoming^*^†²⁾(

),Wei Yueguang^**

图3. 能量释放率随无量纲中间层厚度的变化——改良弹性地基理论模型与有限元模拟结果对比图

Fig.3. Variation of dimensionless energy release rate with dimensionless interlayer thickness—Comparison of improved elastic foundation theoretical model and finite element simulation