1- Stress analysis of thick and thin shells.
2- Composite Materials and bearings materials.
3- Failure of rolling elements bearings using Acoustic Emission Technique.
4-Lubrication problems of the sliding surfaces.
5- Application of digital image processing to study the bearings lubrication.
6- Design of magnetic bearings.
7- Stability of gas bearings.
8- Aero–Elasticity.
9-Friction and wear of sliding surfaces
10-Machines design and strength of materials
11- Operations research and Engineering management .