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在一个方程中看到有一项,fvm::Sp(beta/n, U),其中beta是自己定义的,我想请问fvm::Sp(beta/n, U)这一项,用真实的方程怎么表达出来,主要是Sp不知咋回事?
fvm::Sp(beta/n, U)可以理解为beta/n*U,Sp表示隐性离散,离散后进入方程对角线系数。你这个在哪看到的?
fvm::Sp(beta/n, U)
Sp
@李东岳 我这个是一个和PFC耦合的代码里看到的
@zhuyuxuan https://www.cfd-online.com/Forums/openfoam/76331-understanding-fvm-sp.html