Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volume 4American Society of Mechanical Engineers, 1993 - Arctic regions |
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Page 30
... crack was not considered . In the work to be presented here , it is shown that such cracks can nucleate due to a stress singularity at the apex of the triangular microcracked zone . The associated phenomenon of spalling which occurs at ...
... crack was not considered . In the work to be presented here , it is shown that such cracks can nucleate due to a stress singularity at the apex of the triangular microcracked zone . The associated phenomenon of spalling which occurs at ...
Page 31
... crack O2 = 0x2 = σ , ( * ) * . W ( 8 ) Since w is the only length scale in the boundary value problem ( under plane conditions ) , the constant σ depends only on the indentation pressure . Using eqn . ( 8 ) , eqn . ( 7 ) takes the form ...
... crack O2 = 0x2 = σ , ( * ) * . W ( 8 ) Since w is the only length scale in the boundary value problem ( under plane conditions ) , the constant σ depends only on the indentation pressure . Using eqn . ( 8 ) , eqn . ( 7 ) takes the form ...
Page 130
... crack passes the marker line is noted . 3. The moment of UTC - time the n'th crack passes the marker line is noted . 4. The time between the passing of the cracks is calculated . By multiplying it with the average speed of the vessel ...
... crack passes the marker line is noted . 3. The moment of UTC - time the n'th crack passes the marker line is noted . 4. The time between the passing of the cracks is calculated . By multiplying it with the average speed of the vessel ...
Contents
MECHANICAL PROPERTIES OF | 1 |
OFFSHORE MECHANICS AND ARCTIC ENGINEERING | 10 |
SizeEffect in IndentationInduced Splitting Floe Experiments | 29 |
Copyright | |
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actuator analysis angle Arctic aspect ratio average behaviour berm calculated Canada coefficient compression constant contact area crack creep deformation crushed ice damage decrease deformation density displacement dynamic edge effect equation evaporator experimental extrusion fracture Frederking friction function heat flux heat transfer Hobson's Choice horizontal ice cover ice failure ice force ice load ice plate ice rubble ice sample ice sheet ICE TEST ice thickness ice-structure interaction icebreaking icicle increases indentation rate indentation tests indentation velocity indentor Jordaan laser layer length Masterson material maximum mean pressure measured mm/s modulus Molikpaq Offshore parameters plastic strain Poisson's ratio polycrystalline ice Pond Inlet Pressure MPa pumps rubble field rubble pile rubble system scale sea ice shown in Figure simulation Sinha spallation spalling spraying strain rate strength stress structure surface temperature tensile tensile strength tensile stress Timco values vertical viscous Young's modulus zone