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This study highlights how state-of-the-art techniques can adapt to a range of dynamic problems.
Here, a new non-asymptotic continuum model of honeycomb lattice-type plates is shown and applied to the analysis of dynamic problems.
Blast loading is simulated by the form of dynamic excitation in time based on some assumptions to assure physical nature of dynamic problems.
In particular, the Donnell shell theory which is very popular for the study of dynamic problems related to cylindrical shells does not predict the correct buckling pressure.
The theory of a Cosserat point has been used to formulate a new 3-D finite element for the numerical analysis of dynamic problems in nonlinear elasticity.
The methods used —second-order differencing, split operator propagation, Chebyshev polynomial expansion—are discussed in terms of their applicability to various classes of dynamic problems.
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It is of a great importance, especially in the case when a large number of degrees of freedom are considered in an FE model and, as a consequence, a solution of dynamic problem is very time-consuming.
Numerical results demonstrate the adaptability of the framework for various landing missions, and the performance of successful solution of difficult dynamic problems.
Considering capillary filling as an example, we show that accurate, mesh independent solutions of fluid dynamic problems involving contact angle dynamics are obtained already on coarse meshes.
ACE models apply numerical methods of analysis to computer-based simulations of complex dynamic problems for which more conventional methods, such as theorem formulation, may not find ready use.
In addition, explicit time integration is adopted to facilitate treatment of the dynamic problems under consideration, where strain rates in excess of 104 s−1 are typically attained.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com