Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volumes 1-2American Society of Mechanical Engineers, 1991 - Arctic regions |
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Page 571
... plastic node method . Thereby , a physical beam mem- ber can be modelled using only one element . In addition , the elastic - plastic stiffness matrices can be evaluated without numerical integration . The numerical examples show that ...
... plastic node method . Thereby , a physical beam mem- ber can be modelled using only one element . In addition , the elastic - plastic stiffness matrices can be evaluated without numerical integration . The numerical examples show that ...
Page 573
... PLASTIC STIFFNESS MATRIX In this section , the plastic node method ( Ueda and Yao , 1982 ) will be introduced in order to derive the elastic - plastic stiffness matrix of a finite beam - column element in the incremental form . When ...
... PLASTIC STIFFNESS MATRIX In this section , the plastic node method ( Ueda and Yao , 1982 ) will be introduced in order to derive the elastic - plastic stiffness matrix of a finite beam - column element in the incremental form . When ...
Page 174
... plastic state defined by equation ( 1 ) , a hinge is introduced . Sub- sequently , the stiffness matrix is modified according to plastic flow theory , which states that the force state is to remain on the interaction surface during plastic ...
... plastic state defined by equation ( 1 ) , a hinge is introduced . Sub- sequently , the stiffness matrix is modified according to plastic flow theory , which states that the force state is to remain on the interaction surface during plastic ...
Contents
VORTEX SHEDDING AND VIBRATION | 187 |
OCEAN WAVES AND CURRENT | 209 |
COMPUTATIONAL METHODS | 247 |
Copyright | |
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added mass amplitude analysis approximately average body boundary condition cable calculated circular cylinder components computed correlation density diffraction displacement distribution drag coefficient dynamic effects Ekofisk Engineering experimental field Figure finite element floating flow fluid free surface frequency domain function Green function horizontal hydrodynamic hydrodynamic forces incident wave integral equation irregular waves length lift force linear load low-frequency matrix maximum measured method mode mode shapes mooring motion natural frequency nonlinear obtained Ocean Offshore Structures OMAE open boundary oscillation parameters phase velocity platform predicted present pressure problem random waves ratio response Reynolds number riser Sarpkaya seabed second-order ship simulation small forward solitary wave solution spectral spectrum stiffness surge tank tanker tension tether theory transverse values vector velocity potential vertical vessel vibration vortex vortices water depth wave drift damping wave forces wave height wave profile