نتایج جستجو برای: filled tubes
تعداد نتایج: 71900 فیلتر نتایج به سال:
A numerical model of 84 high-strength concrete-filled square steel tubular columns (HSCFST) with local defects is developed using ABAQUS. The effects parameters such as crack angle, length, impact surface and energy on the resistance HSCFST are considered. results show that under effect corrosion, a horizontal cracks will phenomenon closure when subjected to front impact. force platform value m...
The Uniform Honeycomb-filled Tube (UHT) is one of the composite structures that has shown huge potential in absorbing energy. In this paper, Honeycomb (UH) filler replaced by an enhanced Modularized (MH). biggest advantage MH it can significantly enhance energy absorption without adding weight compared with its uniform counterpart. Finite element models are created, and then validated theoretic...
Implantable cardiovascular devices are manufactured from artificial materials (e.g. titanium (Ti), expanded polytetrafluoroethylene), which pose the risk of thromboemboli formation. We have developed a method to line the inside surface of Ti tubes with autologous blood-derived human or porcine endothelial progenitor cells (EPCs). By implanting Ti tubes containing a confluent layer of porcine EP...
Spherically symmetric, vacuum solutions in 5D and 7D Kaluza-Klein theory are obtained. These solutions are flux tubes with constant cross-sectional size, located between (+) and (-) Kaluza-Klein “electrical” and “magnetic” charges disposed respectively at r = ±∞ and filled with constant Kaluza-Klein “electrical” and “magnetic” fields. These objects are surprisingly similar to the flux tubes whi...
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