... J-head engine 顶置气门 J-integral J 积分 (在断裂力学中围绕裂缝顶端的一个围线积分 ) JAMA (Japanese Automobile Manufacturers Association) 日本汽车制造商协会 ...
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j integral j 积分
The results showed the path independence of J integral of welded joint. It established the foundation of application of elastic plastic J integral in welded structures.
计算结果表明了焊接接头中J积分的路径无关性，并为焊接结构中弹塑性J积分的应用奠定了基础。
As the fracture assessment method based on COD theory is replaced by the method based on J-integral theory, it is greatly required simple and convenient, reliable evaluation method of J-integral.
随着以COD理论为基础的断裂评定方法被以弹塑性J积分理论为基础的断裂评定方法所取代，在工程实际应用中迫切需要简便、可靠的J积分估算方法。
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