The transient displacement field and the dynamic stress intensity factor at the moving crack tip are obtained.
给出了瞬态的位移场和运动裂纹尖端的动态应力强度因子。
High strain rate will occur at the tip of a growing crack, whether quasi-static or dynamic growth, due to the existence of strain singularity.
在扩展裂纹尖端,无论是准静态扩展还是动态扩展,由于应变奇异性的存在,出现较高的应变速率。
The crack-tip dynamic stress intensity factors decrease with the decrease of the crack length and the increase of the functionally gradient parameter.
无论在什么时刻,裂尖处动态应力强度因子随裂纹的长度减小而减小,随板材料的功能梯度参数增大而减小。
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