Nonlinear CAE Meshfree Simulation of a Truck-Based Radiator Hose/Fitting/Clamp Assembly Process



SAE 2000 World Congress
Authors Abstract
A robust nonlinear meshfree computer-aided-engineering (CAE) analysis algorithm based on the Reproducing Kernel Particle Method (RKPM) is employed for simulating the installation and sealing performance of a truck-based radiator hose/fitting/clamp system assembly. The formulation of the present nonlinear meshfree CAE simulation comprises the geometric and material nonlinearities, a Lagrangian material based reproducing kernel shape function, a pressure projection method for nearly incompressible rubber hose material, and a direct transformation method for frictional contact boundary conditions. This simulation, which defines a radiator hose/fitting operating process series as insertion, clamping, pressurization and pull-off, provides a parametric investigation on the effect of clamping depth, clamping width, clamping location, and fluid pressure load on the hose-fitting contact seal width, contact pressure distribution, and the maximum pull-off force properties. Moreover, a series of laboratory room-temperature pull-off tests at various pulling rates has been performed to validate the predictions from the meshfree CAE simulation. The value of the pull-off force predicted from the meshfree analysis is in good agreement with that measured at the pulling rate of 0.42 mm/s. Based on the finding from this investigation, a quantitative performance database on the installation and sealing characteristics of a truck-based radiator hose/fitting/clamp system assembly has been established. The advanced meshfree method can be considered as a useful tool in math-based technology for simulating other large deformation engineering problems that are difficult to deal with by the conventional finite element methods.
Meta TagsDetails
Lee, M., Yoon1, S., and Chen2, J., "Nonlinear CAE Meshfree Simulation of a Truck-Based Radiator Hose/Fitting/Clamp Assembly Process," SAE Technical Paper 2000-01-0295, 2000,
Additional Details
Mar 6, 2000
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Content Type
Technical Paper