压电元件是离散颗粒、压电纤维、纤丝、换能器和致动器的形式。
The piezoelectric elements are in the form of discrete particles, piezoelectric fibers, filaments, transducers, and actuators.
在模型中，对液相采用欧拉法建立控制方程，对离散颗粒采用拉格朗日方法模拟。
In this model, governing equations of liquid were established with Eulerian approach, and discrete particle phase was simulated through Largrangian method.
在离散颗粒模型中，根据对颗粒间碰撞过程的处理方法的不同可分为确定性模型和随机性模型。
Discrete particle models can be classified into Deterministic method and Stochastic method in accounting for the particle collisions.
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