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It is shown that the model can be simplified into an equivalent two-degree-of-freedom dynamic system that captures the basic mechanical characteristics of the impact problem.
However, the impact problem is inherently dynamic and besides the speed and mass of the vehicle, the behaviour of the car during the impact has a significant influence on the energy exchange between the vehicle and the structure.
For the impact problem we used a simple dynamic model based on quasi-static behavior of the panel the sandwich beam was modeled as a combination of two springs, a linear spring to account for the global deflection and a nonlinear spring to represent the local indentation effects.
It should be done in 15 calendar days, working with drawings of the machine, operational data and from specifications, taking measures from the real machine during just one day while the machine's maintenance began in order to solve the impact problem which real cause was not found yet.
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All of our results are corroborated by derivation of exact discrete solutions from recursive equations for the impact problems.
Thus, understanding the normal impact problem is key and suggests investigating the effects of the intrinsic properties and architectures of the constituents of the racket.
The late-time (steady-state) solution procedures for the plate impact problem are presented for impact velocities corresponding to elastic as well as shock wave loading conditions.
The hydrodynamic impact problem for ships manifests itself in both global and local response.
The torsional impact problem of a cylindrical interface crack between a functionally graded material (FGM) interlayer and its external homogeneous cylinder is investigated in this paper.
Then, spring-mass-dashpot models are developed to study the low velocity impact problem.
The low velocity impact problem of a composite sandwich plate impacted by a rigid blunted cylinder is analytically studied.
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