This paper presents the development of a new 3D finite element model for simulation UD composites materials under crushing, at mesoscale. It is based on Discrete Ply Model (DPM), enhanced with damage law to represent compression constant stress due localised crushing and its propagation from one another. The aims take into account various types involved in laminates during associated absorbed e...

in order to reduce both the weight of vehicles and the damage of occupants in a crash event simultaneously, it is necessary to perform a multi-objective optimization of the automotive energy absorbing components. in this paper, axial impact crushing behavior of the aluminum foam-filled thin-walled tubes are studied by the finite element method using commercial software abaqus. comparison of the...

Respirable crystalline silica dust generated during stone crushing operations has been linked to chronic lung disease and increased risk of tuberculosis. In India, most stone crushing mills operate without any dust control or containment systems. This investigation in the Khurda District of Orissa demonstrated a reduction in respirable particulate mass following the application of a fine mist o...

Transportation costs are a significant part of capital and operating costs of large open pit mines. Cost efficiency and high reliability of in pit crushing and conveying systems compared to conventional truck-shovel system makes it more appealing to be utilized in modern mining activities. In this paper the suitable location of an in pit crusher is investigated as a single hub location problem....

McGlone, J.J., Akins, C.K. and Green, R.D., 1991. Genetic variation of sitting frequency and duration in pigs. Appl. Anita. Behav. Sci., 30:319-322. Prior to weaning, many piglets die from crushing, chilling, starvation, diarrhea and weakness. Piglets often die from crushing by the sow when she lies down after sitting. The objective of this study was to determine the amount of heritable genetic...

Pressure injuries are a challenging problem in the care of medically complex children. Available evidence is limited, and there are theoretical reasons to use caution before extrapolating adult data, including key differences in body composition, common locations of pressure injury, and association with medical devices. The focus of this article will be to review the definition of a pressure in...

Three types of ecological events (crushing, walking and running) have been considered. Their acoustic properties have been modeled following the physics-based approach. Starting from an existing physically-based impact model, we superimposed to it the dynamic and temporal stochastic characteristics governing crushing events. The resulting model was triggered by control rules realizing typical w...

Motivated by recent efforts to mitigate blast loading using energy-absorbing materials, this paper investigates the uniaxial crushing of cellular media in sandwich construction under impulsive pressure loading. The cellular core is modeled using a rigid, perfectly-plastic, locking idealization, as in previous studies, and the front and back faces are modeled as rigid, with pressure loading appl...

Concrete pavement recycling is a relatively simple process that involves breaking, removing and crushing hardened concrete from an acceptable source to produce recycled concrete aggregate (RCA). The formal process of RCA production typically involves an initial evaluation of the existing source concrete; pavement preparation, which may include removal of an asphalt overlay; pavement breaking, r...