闭孔泡沫铝应变率效应的试验和有限元分析 关键词：闭孔泡沫铝；霍普金森压杆；应变率效应 [gap=1031]Keywords：close-celled aluminum foam；split Hopkinson pressure bar；strain rate effect
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direct strain rate effect 正向应变率效应
inverse strain-rate effect 反向应变率效应
negative strain rate effect 反向应变率效应
strain rate and size effect 应变率和尺寸效应
strain rate hardening effect 应变率强化效应
effect of strain rate 应变率效应
strain n rate effect 应变率效应
strain rate strengthening effect 应变率强化效应
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The H-J-C model is adopted for concrete, and the strain rate effect was also given due to consideration.
模型中考虑了锚杆对岩石的锚固作用，其中混凝土采用H - J - C模型，并考虑了应变率效应。
Through comparing and analysis, it is found that 3d EVP model is effective to describe the strain rate effect of soft rock.
通过对比分析表明，三维弹粘塑性模型可以较好地描述软岩的应变速率效应。
Test results show that granite dynamic mechanical behavior of compression and splitting tensile has distinguishable strain rate effect.
试验结果表明，花岗岩的动态压缩和动态劈裂拉伸的力学性能表现出显著的应变率效应。
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