To offer a theoretical foundation for chemical equipment design, three-dimensional numerical simulations are made for compressible turbulent mixing shear layer based on large eddy simulation(LES).
为了加深对复杂流动混合现象的认识，为化工设备设计提供理论基础，用大涡模拟方法对可压缩气体混合层进行了三维数值模拟。
On applying large eddy simulation (LES) to practical interest, the main difficulties were high requirement of numerical schemes and huge computational cost.
在将大涡模拟(LES)应用到工程实际时，面临着两个主要难点：LES对格式要求高和计算量大。
Based on the coherent structures, a new type of wall model for large-eddy simulation (LES) was established.
在此基础上，提出了基于近壁区相干结构流动参数的新型大涡模拟壁面模型。
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