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 91
... matrices have the same dimension as displacement , velocity and acceleration vectors , and are not generally band matrix . Direct calculation of the Ja- cobian matrix is inefficient , but inspection of FEM formu- lation shows that the ...
... matrices have the same dimension as displacement , velocity and acceleration vectors , and are not generally band matrix . Direct calculation of the Ja- cobian matrix is inefficient , but inspection of FEM formu- lation shows that the ...
Page 291
... matrix ( elements ) of sectional added damping f SR = vector of distributed forces Fw = nodal exciting force vector ... matrix of structure - kf = sectional hydrostatic stiffness matrix kfkj = components of k Ks = structure stiffness ...
... matrix ( elements ) of sectional added damping f SR = vector of distributed forces Fw = nodal exciting force vector ... matrix of structure - kf = sectional hydrostatic stiffness matrix kfkj = components of k Ks = structure stiffness ...
Page 529
Step 1 : Construction of thermal stiffness matrix The 16x16 thermal stiffness matrix is shown in Figure 8. This matrix is constructed by performing a static analysis of the TLP space frame model with 16 unit thermal load cases . A ...
Step 1 : Construction of thermal stiffness matrix The 16x16 thermal stiffness matrix is shown in Figure 8. This matrix is constructed by performing a static analysis of the TLP space frame model with 16 unit thermal load cases . A ...
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