- Feature Paper
- Article
Analysis of Drill-String Nonlinear Dynamics Using the Lumped-Parameter Method
- Lelya A. Khajiyeva,
- Igor V. Andrianov,
- Yuliya F. Sabirova and
- Askar K. Kudaibergenov
This work aims at studying the nonlinear dynamics of drill strings using the lumped-parameter method (LPM). The study is based on the good consistency of the results of the test problem where the model of the longitudinal vibrations of a horizontal d...

