数学问题在工程
研究文章

解析近似解不稳定二维和轴对称挤压流动平行板之间

表1

的分析结果 在近似的不同订单与四阶龙格-库塔数值结果的轴对称的情况。
二阶 四阶 6阶 7阶 8阶 数值
0.2 0.319474 0.319526 0.319526 0.319526 0.319526 0.319526
0.4 0.603652 0.603825 0.603830 0.603830 0.603830 0.603830
0.6 0.822574 0.822863 0.822875 0.822876 0.822876 0.822876
0.8 0.956580 0.956789 0.956800 0.956801 0.956801 0.956801
0.2 0.302545 0.302582 0.302582 0.302582 0.302582 0.302582
0.4 0.578028 0.578082 0.578082 0.578082 0.578082 0.578082
0.6 0.800737 0.800780 0.800780 0.800780 0.800780 0.800780
0.8 0.947686 0.947702 0.947702 0.947702 0.947702 0.947702
0.2 0.290353 0.290322 0.290322 0.290322 0.290322 0.290322
0.4 0.559299 0.559253 0.559252 0.559252 0.559252 0.559252
0.6 0.784341 0.784304 0.784303 0.784303 0.784303 0.784303
0.8 0.940717 0.940704 0.940703 0.940703 0.940703 0.940703
0.2 0.281032 0.281010 0.281010 0.281010 0.281010 0.281010
0.4 0.544851 0.544780 0.544779 0.544779 0.544779 0.544779
0.6 0.771493 0.771374 0.771371 0.771371 0.771371 0.771371
0.8 0.935127 0.935038 0.935036 0.935036 0.935036 0.935036
0.2 0.273767 0.273683 0.273682 0.273682 0.273682 0.273682
0.4 0.533516 0.533255 0.533247 0.533246 0.533246 0.533246
0.6 0.761299 0.760868 0.760848 0.760847 0.760847 0.760847
0.8 0.930617 0.930299 0.930281 0.930280 0.930280 0.930280