Fuse Liquid Storage Bottle Buckling Analysis And Impact Properties,

According to buckling deformation and impact dynamics theory of thin-shell structure, stability and impact problems of liquid storage tanks in engineering are deeply investigated.Structural model of liquid storage tank is developed by using MSC.Patran as pre-processing and post-processing platform. Characteristics of linear buckling deformation of thin cylindrical shell under axial distributed load are analyzed. Properties of nonlinear buckling deformation of round soleplate with slot structure under concentrated load are studied. Critical load and mode of buckling deformation of thin cylindrical shell under axial load are solved by MSC.Nastran. Nonlinear buckling problems of thin soleplate under concentrated load are discussed.In the process of analyzing linear buckling deformation of liquid storage tanks, the critical buckling deformation load and modal are obtained by solving the eigenvalue of stiffness matrix of linear system. According to the influence of nonlinear factors during the loading, curves of load-displacement and displacement-equivalent stress are plotted by nonlinear buckling deformation analyzing processor SOL106 of MSC.Nastran.Considering the performance characteristics of fuze liquid storage tanks, impact characteristic and dynamics responses of liquid storage tanks under the typical working circumstance are studied.Structural modal of liquid storage tanks is developed by taking MSC.Patran as pre-processing and post-processing platform. Characteristics of dynamics response of tanks with different size, shapes, loads and impacts are investigated.Anti-impact characteristics and dynamic instantaneous response of liquid storage tanks are discussed by MSC.Dytran. Simulations show that the regions of edge of slot structure in soleplate are sensitive to loads, where plastic deformation is easier to occur. Peak values of impacting stress of tanks increase when impacting distance and acceleration increase. But the influence of impacting distance on the peak of impacting stress is not remarkable when the thickness of slot increases greatly.