当边界位移量相对于局部网格单元尺寸较 大时,网格单元质量将恶化或褪化,比较常见的如网格单元产生负体积(negative volume),这样会使得下一时间步的计算求解收敛更加困难,甚至有可能不能继 续下一步的计算。
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NEGATIVE VOLUME INDEX 负量指标 ; 负成交量指标 ; 负量目标
Negative volume doesn't make any sense.
负的体积也同样没有意义。
Let's say that what I wanted to know was not actually what I computed, namely, the volume below the paraboloid, but also the negative of some part that's now in the corner towards me.
我们想要的,并不是计算出来的结果,结果不只是抛物面底下的面积,也包含了,负值的部分。
Oil seems to be putting in a bottom on strong volume, no one is left to buy any more negative real-yield securities the Treasury is issuing, and gold has started looking very bullish.
石油似乎是在巨大的交易量下建立了一价位的底部,没有人会再购买财政部发行的任何负实际收益的证券了,黄金已经开始进入强烈看多的行情了。
Negative volume doesn't make any sense.
负的体积也同样没有意义。
This piston is being brought out, so we expect 0 the work to be negative, negative. And we start o V2 ut with zero volume. We end up with a volume p2 of V2, and the external pressure is constant to p2.
所以我们可以想象功是负的,开始的时候体积是,最终的容积是,外界的压力恒为。
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