Numerical simulation of collapse behavior of tall core-outrigger structures under severe earthquakes

2012 ◽  
pp. 999-1004
Keyword(s):  
Numerical Simulation ◽  
Collapse Behavior

NUMERICAL SIMULATION OF THE VAPOR FILM COLLAPSE BEHAVIOR AT VAPOR EXPLOSION WITH THREE-DIMENSIONAL LATTICE GAS THERMAL-HYDRAULIC AUTOMATA METHOD

2003 ◽  
Vol 17 (01n02) ◽  
pp. 189-192
Author(s):  
DAISUKE TOCHIO ◽  
YUTAKA ABE ◽  
YOSUKE MATSUKUMA ◽  
HIDEKI NARIAI
Keyword(s):  
Numerical Simulation ◽  
Phase Change ◽  
Lattice Gas ◽  
Three Dimensional ◽  
Experimental Result ◽  
Vapor Film ◽  
Lattice Gas Automata ◽  
Numerical Result ◽  
Collapse Behavior ◽  
Film Collapse

In order to clarify the dominant driving force of complex vapor film collapse behavior, numerical simulation is performed with three-dimensional fifteen-velocity lattice gas automata method. As the result, numerical result is qualitatively different from the experimental result. On the other hand, numerical simulation of vapor film collapse behavior is performed with three-dimensional fifteen-velocity lattice gas automata method including phase-change effect. As the result, numerical result is qualitatively similar to the experimental results. Comparison between the experimental result and the numerical result confirms that experimentally observed vapor film collapse behavior is dominated not by fluid motion but by phase change.

Bending Collapse Behavior of Tubular Structure under Impact

2018 ◽  
Vol 910 ◽  
pp. 111-116
Author(s):  
Minoru Yamashita ◽  
Naoki Kunieda ◽  
Makoto Nikawa
Keyword(s):  
Numerical Simulation ◽  
Cross Section ◽  
Deformation Mode ◽  
Tubular Structure ◽  
Bending Test ◽  
Low Friction ◽  
Absorbed Energy ◽  
Three Point Bending ◽  
Absorption Performance ◽  
Collapse Behavior

Three point bending test of aluminum tubular structure with hat cross-section was carried out under impact condition. The structures which were strengthened with carbon fiber reinforced thermoplastic sheet attached to hat-top or hat-side were also tested. When the structure made with only aluminum was bent, one-lobe deformation mode arose in most cases, where the buckling lobe was formed at center exhibiting very low deformation resistance. This mode was found to be attributed to the low friction at central anvil by conducting the numerical simulation. The energy absorption performance was evaluated for a variety of structures. When the sheet attachment was applied for the structure with one-lobe deformation mode, the absorbed energy was improved drastically.

Water uptake by substituted amylose tablets: experimentation and numerical simulation

2009 ◽  
Vol 00 (00) ◽  
pp. 090904073309027-8
Author(s):  
H.W. Wang ◽  
S. Kyriacos ◽  
L. Cartilier
Keyword(s):  
Numerical Simulation ◽  
Water Uptake
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