Based on linear visco-elastic assumption, under uniform-and multi-supported excitations,the precision of results with the scope of soil region is analyzed.

• 假定土层为线性粘弹性介质,用有限元法分析了在一致地震输入和多点地震输入作用下弹性、均匀土层中有限土域的取值范围对计算精度的影响。