The prediction of the critical buckling conditions shell structures is plagued by imperfection sensitivity. Non-destructive testing through point-load probing has been recently proposed to map stability landscape cylindrical shells. However, counterpart procedure for spherical shells still debatable. Here, we focus on mechanical response pressurized containing a single dimple–like defect point ...

Explosive atmospheres can be caused by gases, vapours, mists, dust, lint or fibres of flammable substance. If enough substance and air are mixed, the imminence an explosion depends on probability efficiency ignition source. Hazardous areas classified in sectors must protected from sources. Equipment protective systems intended for use potentially explosive should selected to meet appropriate re...

Pressurized hybrid composite pipe structures, produced by filament wound subjected to impact loads, were numerically investigated. A combined 3D-FE Model based on the use of interlaminar and intralaminar damage models is established. Intralaminar damages such as matrix cracking fibre failures are predicted using 3D Hashin criteria, whereas (delamination) was evaluated cohesive zone elements. Th...

The miniature Ping (mPing) is a recently discovered endogenous miniature inverted repeat transposable element (MITE) in rice, which can be mobilized by tissue culture or irradiation. It is reported here that mPing, together with one of its putative transposase-encoding partners, Pong, was efficiently mobilized in somatic cells of intact rice plants of two distinct cultivars derived from germina...