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.

光滑質點流體動力學(SPH)是無網格方法的一種,本文闡述其理論基礎和計算方法,主要包括:SPH的基本概念、核近似和粒子近似的基本原理、核函數的構造方法、SPH形式的流體運動方程、邊界處理方法和數值算例等多方面內容。

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

應用質子-中子準粒子隨機相近似(pn-QRPA)理論,計算了55Co的伽莫夫-泰勒躍遷和電子俘獲率。