free quasiparticle approximation

Smoothed Particle Hydrodynamics (SPH) is one kind of meshfree method, and its basic theory and calculation approach will be introduced, including basic concept of SPH, basic theory of kernel approximation and particle approximation,generation of kernel function,SPH formulation for general dynamic fluid flow, boun.

光滑质点流体动力学(SPH)是无网格方法的一种,本文阐述其理论基础和计算方法,主要包括:SPH的基本概念、核近似和粒子近似的基本原理、核函数的构造方法、SPH形式的流体运动方程、边界处理方法和数值算例等多方面内容。

We have calculated GT transitions and positron capture rates for()(~(55)Co) using the proton-neutron quasiparticle random phase approximation(pn-QRPA) theory.

应用质子-中子准粒子随机相近似(pn-QRPA)理论,计算了55Co的伽莫夫-泰勒跃迁和电子俘获率。