The nature of dynamo action in shear flows prone to magnetohydrodynamc instabilities is investigated using the magnetorotational dynamo in Keplerian shear flow as a prototype problem. Using direct numerical simulations and Newton's method, we compute an exact time-periodic magnetorotational dynamo solution to three-dimensional dissipative incompressible magnetohydrodynamic equations with rotati...

Constant suction direct shear test enables the understanding of failure mechanism in rainfallinduced landslides. It can be conducted using a conventional apparatus with some modifications. The constant is carried out two stages. In first stage, unsaturated soil specimen consolidated to target net normal stress and matric then sheared second stage. Matric usually controlled axis-translation prin...

The increase in the number of discarded tires every year is becoming a major issue all over world. Tires stockpiles and landfills have become critical as they are considered fertile environment for breeding rats insects, real fire hazard that may take up to months extinguish occupy valuable, large area land. One safest effective ways recycling use them backfilling material, among different usag...

This paper reports the findings of research examining the blast resistance of bridge piers that are designed in accordance with current knowledge and specifications to ensure ductile seismic performance. Blast testing was conducted on 1/4 scale ductile RC columns, and nonductile RC columns retrofitted with steel jacketing. The seismically designed RC and steel jacketed RC columns did not exhibi...