Abstract. The utilization of a fracture energy regularization technique, based on the crack band model, can effectively resolve issue mesh-size dependency in finite element modelling quasi-brittle structures. However, achieving accurate results requires proper estimation characteristic length method. This study presents practical calculation methods for length, particularly higher-order element...

Several common flexible functional forms are evaluated for Texas agricultural production utilizing three procedures. Nested hypothesis tests indicate that the normalized quadratic is the marginally-preferred functional form followed by the generalized Leontief. Predictive accuracy results are ambiguous between the generalized Leontief and the normalized quadratic. Statistical performance favors...

In this paper, we consider a kind of higher-order neutral equation with distributed delay and variable parameter: (x(t) – p(t)x(t – σ ))(n) + f (x(t))x′(t) + g( ∫ 0 –r x(t + s)dα(s)) = q(t). By using the classical coincidence degree theory of Mawhin, sufficient conditions for the existence of periodic solutions are established. Recent results in the literature are generalized and significantly ...

The well-known third list homomorphism theorem states that if a function h is both an instance of foldr and foldl , it is a list homomorphism. Plenty of previous works devoted to constructing list homomorphisms, however, overlook the fact that proving h is both a foldr and a foldl is often the hardest part which, once done, already provides a useful hint about what the resulting list homomorphi...

We present an active approach for discriminating different materials by impulsively contacting (hitting) them, and sensing and interpreting the resulting sounds. In theory, the angle of internal friction is diagnostic of material, but invariant over object shape. In our experiments, we observe that the angle of internal friction is not invariant over the frequency of the sound spectrum for whic...

This paper presents an approach to elimination of Type-3 code clones based on generative techniques. At a first step it is shown how to replace Type-3 clones by higher-order functions. Then this approach is further generalized by utilizing generative designs.

In this paper we study diierent kinds of reductions of data types. By reduction we mean applying the higher order function fold to a data structure. An appropriate fold function can be deened for any recursive data type. These reductions have been presented as homomorphisms by several authors 2, 6]. Although many useful functions on data structures can be programmed as instances of fold, there ...