Study And Simulation 3D Flexible Bar Of Triangular Element Vector Form Intrinsic Finite Element

Vector form intrinsic finite element(VFIFE)is an innovative concept for structural analysis.Research shows that,compared with the traditional finite element method,VFIFE on the structure of the space and time step are described to the point,it does not need to solve the complex and it use Newton equation of motion,all behavior is more rapid and accurate analysis,forecast and solving structures in large deformation and large deformation,fracture and the collapse and collision of nonlinear or non continuous mechanical conditions.In this paper,VFIFE is used to analyze the structure of the marine structure,and the vector finite element method is used to Marine bar structure.Study on how to apply VFIFE to deformation model,established mathematical model of triangle cell structure,derived unit rotation,deformation,internal force and coordinate calculation formula,the method is applied to the calculation of deformation,and three groups of simulation experiments,triangular motion deformation experiment,bar only by constant pressure concentration experiment.bar by the concentrated stress and torsion test.The simulation results show that it is effective and feasible to deal with the deformation of the ship and the marine bar structure by using VFIFE.