Dynamic Property of Cement Stone by Lagrangian Analysis Method
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摘要: 通過在輕氣炮上作強動載實驗獲得的應力時間歷程曲線,利用改進的拉格朗日分析方法(曲面擬合法)研究了水泥石的動態力學性能,并獲得了一些有意義的結果。即應力應變滯回特性、應變率效應及波形彌散特征。Abstract: On the basis of stress-time curves from intens loadding experiment with light gas gun,some dynamic properties of cement stone are studied by improved Lagrangian analysis method(curved surface-fitting method),and many signifiiant conclusions,for examplle:stagnant-return phenomena of stress-strain curves,strain-rate effect and waveform dissipation are get.
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Key words:
- Lagrangian analysis /
- curved surface-fitting /
- cement stone /
- dynamic property
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