rigidity problem

• 刚性问题

rigidity problem的用法和样例：

例句

1. This method avoids the problem of stiff equations caused by chemical reaction source terms in the components equations, and the number of components equations is reduced.
   这样，在计算低速流场时，就避免了处理化学反应源项引起的数值计算过程中的方程刚性问题，也减少了组分方程的数量。