initial situation造句

After obtaining the numerical model which accord well with the experimental results , we change all kinds of parameters such as the initial situations of the settling fiber , the ratio of length and radius of the fiber , the fiber ' s density and the viscosity of the fluid , etc , in order to see their individual influence on the interacting procedure
在建立的数学模型基础上，对两纤维直接相互作用的过程进行了数值模拟。在模拟中，改变纤维的初始状态、长径比和比重以及流场的粘度等各种参数，得到了这些因素对两纤维相互作用过程的影响。
It's difficult to find initial situation in a sentence. 用initial situation造句挺难的