A smooth function has been introduced to solve the problem of instability caused by high value of Q.
对于高q引起的数值不稳定性，通过引入平滑函数得以解决。
For instance, let's consider the sine wave, or sinusoid, a mathematical function that describes a smooth repetitive oscillation.
例如，让我们考虑一下正弦波，也即正弦曲线这样一个描述平稳反复振荡的数学函数。
This paper introduces several kind of the damage model of concrete and presents a new kind of non-local damage model by adding the smooth weight function on the classical non-local damage model.
介绍了几种较为成熟的混凝土损伤模型，在传统非局部损伤模型的基础之上引入了光滑权函数构造了一种新型的非局部损伤模型。
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