机译:用代数法分析塔式起重机简化模型的非线性振动波微分方程。
of;
Civil;
Engineering,;
The;
University;
of;
Pardisan;
Mazan-daran;
and;
Department;
of;
Chemical;
Engineering,;
University;
of;
Tehran,P.O.;
Box;
66456-43516,;
Iran;
of;
Mechanical;
Engineering,;
Babol;
University;
of;
Technol-ogy,;
P.O.;
Box;
484,;
Babol,;
Iran;
of;
Mechanical;
Engineering,;
Sari;
Branch,;
Islamic;
AzadUniversity,;
Sari,;
P.O.;
Box;
48161-19318,;
Iran;