首页|Dynamic Stress Intensity Factor of Fixed Beam with Several Notches by Infinitely Similar Element Method
Dynamic Stress Intensity Factor of Fixed Beam with Several Notches by Infinitely Similar Element Method
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The dynamics stress intensity factor of fixed specimen with several notches was analyzed by semi-analytic method. The semi-analytic formula was taken as the interpolation function near notch tip and the degrees of freedom near notch tip were transformed into a small set of generalized coordinates by means of the series expansion formulas of the displacement field. The dynamics stress intensity factor for fixed specimen with two notches or cracks under centralized loading and well-proportioned loading was obtained. The results show that the K_Ⅰ and K_Ⅱ are existed at the same time for fixed specimen with several notches under dynamics loading.
fixed beamdynamics stress intensity factorinfinitely similar elementsemi-analytic method
Youtang Li、Changfeng Yan、Ruicheng Feng
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Key Laboratory of Digital Manufacturing Technology and Application, Ministry of Education,Lanzhou University of Technology, Lanzhou 730050, China
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