格子Boltzmann方法模拟封闭方腔热自然对流-Lattice Boltzmann method to simulate a closed square cavity hot natural convection lattice Boltzmann method to simulate a closed square cavity natural convection heat

模拟方腔内自然对流，左侧为高温，右侧为低温(Natural convection is simulated in the square cavity, with high temperature on the left and low temperature on the right)

计算LBM条件下 自然热对流换热，计算LBM条件下自然热对流换热。(Calculation of natural heat convection heat transfer under LBM)