نتایج جستجو برای: geometric imperfection
تعداد نتایج: 90391 فیلتر نتایج به سال:
BACKGROUND Ongoing molecular processes in a cell could target microsatellites, a kind of repetitive DNA, owing to length variations and motif imperfection. Mutational mechanisms underlying such kind of genetic variations have been extensively investigated in diverse organisms. However, obscure impact of ploidization, an evolutionary process of genome content duplication prevails mostly in plant...
The current paper studies the global and local interaction behaviour of box-section columns using numerical simulations by creating a model analysing their buckling resistances to pure compression. developed uses combination imperfections as well residual stresses, which are key parameters resistance calculation. unique approach in is that all previous applied safe sided imperfections, while th...
There is a strong requirement for more robust, lighter and cheaper launch vehicle structures. Unstiffened composite cylindrical shells, which are essential to the fabrication of launch vehicle airframes, are prone to buckling and are highly sensitive to imperfections which arise during the manufacturing process. The buckling load is an important characteristic in design, and may vary drasticall...
The interaction behavior between local and global buckling modes in high-strength steel box-section columns has received limited research attention. Currently, there is a lack of validated equivalent geometric imperfection that can be effectively employed nonlinear plastic analysis to estimate the resistance. This aims find imperfections used geometrical materially using (GMNIA) resistance squa...
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