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stress measures
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2017-6-5 21:19
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The Kirchhoff stress ( {displaystyle {boldsymbol {tau }}} ). The Nominal stress ( {displaystyle {boldsymbol {N}}} ). The first Piola-Kirchhoff stress ( {displaystyle {boldsymbol {P}}} ). This stress tensor is the transpose of the nominal stress ( {displaystyle {boldsymbol ...
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1960 次阅读|没有评论
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计算弹性常数NFREE参数对计算结果的影响
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热度 1 2017-5-24 19:30
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以石墨烯为例,验证NFREE=2和4对计算结果的影响,发现影响很小。
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6677 次阅读|1 个评论 热度 1
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WARNING: Sub-Space-Matrix is not hermitian in DAV VASP
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2017-4-15 12:04
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静态计石墨烯原胞,计算报错: WARNING: Sub-Space-Matrix is not hermitian in DAV 4 5.466653149832755E-004 WARNING: Sub-Space-Matrix is not hermitian in DAV 5 6.390243522781398E-004 WARNING: Sub-Space-Matrix ...
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9673 次阅读|没有评论
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