The acoustical wave equation is presented a serial spatial and time iterative equations and room acoustics field is simulated using finitedifference time domain method.
时域有限差分法将声波基本方程表示为一个时间和空间的迭代方程组，实现对室内声场中低频段的模拟计算。
2
The finitedifference method was used to discretize and solve the two phase energy equations.
采用有限差分法对两相能量方程进行离散求解。
3
Euler equations of generalized Riemann variable are derived from unsteady primitive variable Euler equations and solved by using two - a point-two-step upwind finitedifference method.