نتایج جستجو برای: forming limit diagrams
تعداد نتایج: 329859 فیلتر نتایج به سال:
The Voronoi diagram of n distinct generating points divides the plane into cells, each of which consists of points most close to one particular generator. After introducing ‘limit Voronoi diagrams’ by analyzing diagrams of moving and coinciding points, we define compactifications of the configuration space of n distinct, labeled points. On elements of these compactifications we define Voronoi d...
forming limit curve (flc) is an important tool for evaluation of formability of sheet metals subjected to different loading. free bulge of aluminume tubes has been investigated numerically to obtain flc. to verify the numerical results one experimental setup has been manufactured which has the ability of controlling the internal pressure and axial feed. in this study, time and zone of bursting ...
In the present work focus devoted to results obtained from uniaxial tensile test were utilized analyze flow stress behavior of brass under different orientation, temperature and strain rate conditions study forming limit diagrams for stretch sheet material at room various elevated temperatures have been estimated experimentally by performing operations using warm tooling setup (i.e., suitable p...
in this study, an extended stress-based forming limit diagram (fld) for prediction of necking based on the marciniak and kucznski (m-k) model is represented and applied in tube hydroforming. the bulge forming of a straight tube is simulated by finite element method and verified with published experimental data. this adaptive simulation technique is based on the ability to detect the onset and g...
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