Title :
Estimation method for ship deformation under wave loads
Author :
Aili, Liu ; Hongxu, Ma ; Hongde, Dai
Author_Institution :
Coll. of Mechatron. Eng. & Autom., Nat. Univ. of Defence Technol., Changsha, China
Abstract :
Accurate Ship deformation message is needed during ship launching weapons´ transfer alignment. This paper present an estimation method for large ship deformation based on finite element analysis and strip method. Each strip´s hydrodynamic pressure on ship hull surface is calculated first. According to strip method each strip is connected to a finite element model node, so strips and nodes have the same direction vector, and through direction vector the hydrodynamic pressure can be translated into wave loads in three directions. Ship deformations can be estimated while wave loads are given to finite element model nodes.
Keywords :
deformation; estimation theory; finite element analysis; hydrodynamics; ships; strips; estimation method; finite element analysis; finite element model node; large ship deformation; ship hull surface; ship launching weapons transfer alignment; strip hydrodynamic pressure; wave loads; Deformable models; Equations; Finite element methods; Hydrodynamics; Marine vehicles; Mathematical model; Stress; Strips; Vehicle dynamics; Weapons; finite element analysis; ship deformation; strip method; wave loads;
Conference_Titel :
Mechanic Automation and Control Engineering (MACE), 2010 International Conference on
Conference_Location :
Wuhan
Print_ISBN :
978-1-4244-7737-1
DOI :
10.1109/MACE.2010.5535384
