... expected value 期望值 experiment by photoelastic method 光弹性实验 experimental geomorphology 实验地貌学 ...
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The results demonstrated that the method using simulated isochromatic fringe patterns to replace the isochromatic fringe patterns obtained from photoelastic experiment is feasible and the methods to determine stress singularity orders and stress intensity factors are correct.
结果表明：用有限元模拟出的等差线代替光弹性实验等差线是可行的；本文提出的确定应力奇异性指数和应力强度因子的方法是正确的。
参考来源 - 确定V形切口的应力强度因子的光弹性实验和数值方法的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
方法采用生物力学光弹性实验方法。
Method We used the biomechanics method of photoelastic experiment.
结合光弹性实验等差线条纹图，可分离出主应力。
And, the principal stresses can be easily found by combination of above results with isochromatic pattern found in photoelastic experiments.
对由异弹模材料构成的闭式万向接轴进行了三维光弹性实验研究。
In this paper, a three-dimensional photoelastic experiment was presented for studying closed var-ied-orientation transmission shaft, being made of materials with various modulus of elasticity.
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