Exact(10)
The evaluation of the level of approximation introduced is presented.
Finally, the level of approximation introduced by evaluating the strain field for the reference Hertzian case is discussed, showing that the error introduced is not acceptable.
Fitting and convergence indices are introduced to quantify the level of approximation of a mode shape from a polynomial fit to that of a damaged plate and to determine the proper order of the polynomial fit, respectively.
Critical issues for these types of micro-models are analysed carefully, such as the accuracy in predicting the failure load and collapse mechanism, the computational efficiency and the level of approximation given by a 2D plane-stress assumption.
The experiments are used to evaluate the pertinence of Eurocode 2 for the shear design of reinforced concrete slabs in comparison with the French approach, the ACI 318-14 code and Model Code 2010 formulation using the level of approximation LoA II.
Finally, it is worthwhile to note that from the implementation point of view on a general PQ instrument, the proposed analytical approach requires only some manipulations, of different complexities depending on the level of approximation desired (see (20), (21) and (22)), of the spectra which are already evaluated by the PQ instrument for the harmonic and interharmonic analysis.
Similar(49)
The numerical accuracy can be improved by increasing the resolutions or the level of approximations.
When increasing the level of approximations, the norm of the (L^{2}) error decreases by the factor of (2^{s}) where (1 le s le2).
The Wentzel−Kramers−Brillouin approximation is employed to solve the Bernoulli−Euler equation for the layer with perfectly smooth periodic corrugation, and the results are discussed in view of existence of pass and stop bands and in view of the levels of approximation used in alternative asymptotic methods.
On the other hand, the degree of theoretical understanding now is quite sound for DFWM, and the levels of approximation involved would not appear to conceivably introduce the magnitude of change that is required to bring this body of data together.
Since this level of approximation implies a time demanding computing, a second level of approximation has been used for some years where the densities of FMOs provide an easier to compute working equation: f ( 2 ) ( r ) = f + ( r ) − f − ( r ) ≃ ρ L ( r ) − ρ H ( r ), (2).
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Justyna Jupowicz-Kozak
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