This paper uses nonlinear regression, Artificial Neural Network (ANN) and Genetic Programming (GP) approaches for predicting an important tangible issue i.e. scours dimensions downstream of inverted siphon structures. Dimensional analysis and nonlinear regression-based equations was proposed for estimation of maximum scour depth, location of the scour hole, location and height of the dune downs...

 Abstract A 2.5 year old girl is presented with both hands constriction bands leading to distal amputations and the rare deformity of shoulder duplication in the right side accompanying constriction skin marking over the affected shoulder. The cephalomedial scapula articulated with the clavicle and the caudolateral scapula articulated with humeral head. The most important physical finding which...

Flood-induced scour is the principal cause of bridge failure worldwide. Nevertheless, risk assessment still based on visual inspections, which may be affected by human errors and cannot performed during flood peaks. This problem, together with simplifications in estimation, might misclassification risk, unnecessary closures or recourse to avoidable mitigation measures. Structural-health-monitor...

We clarified the dynamics of debris flows in areas wherein topography changes abruptly. First, flow through a constriction were investigated by experimentally generating non-uniform conditions. Then, numerical calculations performed using an erosion/deposition rate equation that considers pressure gradient constriction, and compared with experimental data.

number of spatial competitors (Supplemental information). These 'indicators' appeared stable up to 2006 but have decreased abruptly since. Mean percentage cover by encrusting fauna was >26% before 2006 and has been <23% since (%cover significantly decreased with increased ice scour; one-way ANOVA, F = 3.9, p = 0.011). The major space occupiers, bryozoans, dominated this assemblage in terms of r...

Every year a large number of bridges flooding in the river just when they most need them there destroy all born. Carried out. In this study, the four fulcrum forms a semi-circular, trapezoidal, rectangular edges rounded rectangle 90 degrees at 70 degrees in Sagittarius with four different discharges depth of constant scouring around the abutment in pure water were examined. For material of flum...

Axial distributions of plasma and floating potentials, electron number density and the electron energy distribution function (EEDF) have been measured in the double layer (DL) region of an He discharge constriction. Excitation processes in the constriction region are studied. Using a linearization method for the nonstationary balance equations and choosing appropriate discharge conditions, ...