At last the realistic rendering of tree is taken by the way of illumination , texture mapping and model reduction 最后,从光照、纹理映射及模型简化等方面对树木进行真实感绘制。
The h control theories are applied to solve model reduction problems , output tracking problems and filtering problems 将h _控制理论应用到非线性系统的模型简化问题、输出跟踪问题和滤波问题中。
The analysis of simulated result of the deformation of symmetrical plane proved that the simplified model is reasonable and feasible 对模拟结果的对称面变形的情况分析论证了模型简化的合理性和正确性。
Good agreements between the finite element model and the experimental results were found . it showed the models are accurate 将有限元结果与试验结果进行了比较,结果表明,有限元计算误差小,模型简化合理。
" porous method " also needs little cpu time , and the results is quite same as those of the " direct methond " 利用多孔介质模型简化复杂流场的方法既节省计算资源又能得出较准确的结果,是一个积极有效的新思路,