The principles of mechanics for a particle are extended here to a system of n discrete material points. We begin with Newton's second law for a system of particles and formulate the momentum, impulse-momentum, moment of momentum, work-energy, conservation, and general energy principles for a ...
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the Sun-Earth-Moon system. This model can be suitable to take into account the gravitational effect of the Sun in the Earth-Moon (RTBP), i.e. it can be considered as a periodic perturbation of the RTBP in which one primary has been split into two that move around their common cen...
We present a method for animating viscous fluids by simulating the forces of such particles interacting with each other. This method allows for collision detection between the particles and obstacles, both stationary and mobile, and it allows solid objects to break and melt. An approximate method ...
Column 1 sketches the energy landscape of a system of particles, at three different observation times, tobs. tobs is the time-resolution of the measurement and is inversely proportional to the instrumental energy-resolution. At short tobs only the rapid motions are detected, most of the system...
being 0 associated with a perfectly plastic impact and 1 related to a fully elastic impact. This magnitude is a function of different parameters of the contacting bodies (geometry, material properties, etc.) and the boundary conditions of the system (initial velocities of the bodies, inclusion of...
To study the role of the Bari canyon system on sediment dispersal, particle fluxes and hydrodynamics at near-bottom have been monitored by deploying 3 short moorings in both branches of the canyon and on the adjacent open slope from March 2004 to April 2005. In both years, late March was ...
Granular particles exhibit rich collective behaviors on vibration beds, but the motion of an isolated particle is not well understood even for uniform particles with a simple shape such as disks or spheres. Here we measured the motion of a single disk co
We analyze the conditions under which the dynamics of a quantum system open to a given environment can be simulated with an external noisy field that is a surrogate for the environmental degrees of freedom. We show that such a field is either a subjectiv
Al2O3system respectively. For the non-reactive wetting (AgCu eutectic alloy/Cu system), roughness (Ra< 900 nm) can promote spreading whereas reactive wetting (AgCuTi/Al2O3system) exhibits a slower spreading dynamics due to the pinning effect on the rough surface and the formation of ...