In recent research on modelling road collisions very little attention has been paid  to rear-end chain reaction collisions, which is characterized by more than two vehicles involved in a collision at the same time. The core aim of the present research is to develop a methodology to estimate such potential collision probabilities based on a proactive perspective, where deceleration rate to avoid...

Four valleys were chosen in this study within low folded zone of northern Iraq. Including Sinjar and Adaya anticlines, to the north northeast them included Eastern Butma Mandan anticlines. The research aims employ results morphometric analysis basin inferred structural evolution folds, as determine validity these basins water harvesting technology do so.
 showed maturation increasing folds...

frothers havea profoundeffectonbubble size and also flotation efficiency. in present study the effect of type and dosage of frothers on the flotation response of coarse particles of quartz was investigated.  therefore, flotation response of coarse particles using frothers such as mibc, pine oil, poly propylene glycol with concentration of 0, 25, 50 and 75 g/t, was obtained respectively. for all...

Abstract We investigate how the mechanical properties of intra‐oceanic arcs affect collision style and associated stress‐strain evolution with buoyancy‐driven models subduction that accurately reproduce dynamic interaction lithosphere mantle. performed a series simulations only varying effective arc thickness as it controls buoyancy arcs. Our spontaneously evolve into two contrasting styles are...

To improve the accuracy of simulation parameters used in discrete element tests for transplanting operation machine and to facilitate further optimization crucial components machine, this paper, model 50-hole plug seedling pots was calibrated optimized based on collision impact force between pot steel plate measured by a flexible film network tactile pressure sensor. Basic determined contact po...

An important cause of failure in powder bed additive manufacturing is the distortion part due to thermal shrinkage during printing and relaxation residual stresses after its release from base plate. In this paper, Additive Manufacturing simulations are coupled with Topology Optimization order generate designs that not susceptible associated distortion. Two possible causes accounted for: recoate...

Vietnam is a major field of Cenozoic volcanism in Southeast (SE) Asia. Two contrasting models have been proposed to explain the mantle upwelling and this region; collision Indian Eurasian continents or subduction Pacific Indo-Australian oceanic lithosphere. To place constraints on origin intraplate SE Asia, new geochronological geochemical data for basalts are presented. Based largely Sr-Nd-Pb ...

A ball is propelled through a random environment of obstacles oo which it rebounds with perfect reeection. What is the behaviour of the trajectory of the ball? We summarise known mathematical results concerning this model, which we calìstochastic pin-ball', and which is known also as a `Lorentz lattice gas' and a version of which is sometimes termed thèEhrenfest wind{tree model'. The rigorous t...