ABSTRACT We evaluate the performance of Lyman α forest weak gravitational lensing estimator Metcalf et al. on data from hydrodynamic simulations and ray-trace simulated potentials. compare results to those obtained Gaussian random field Lyα potentials used in previous work. find that is able reconstruct more realistic investigate dependence spectrum signal noise. The non-linearity non-Gaussiani...

The objective of this paper is to study the effect of the internal transducer resistance on the dynamic behaviour and the output power of an energy harvester when it is attached to a cubic load resistance. It is seen that by considering the internal resistance, the dynamic equation of a conventional nonlinear energy harvester changes so that it is not easy to separate the linear damping from th...

Abstract—This paper focuses on parametric analysis of reinforced concrete structures equipped with supplemental damping braces. Practitioners still luck sufficient data for current design of damper added structures and often reduce the real model to a pure damper braced structure even if this assumption is neither realistic nor conservative. In the present study, the damping brace is modelled a...

In shockwave theory, the density, velocity and pressure jumps are derived from conservation equations. Here, we address physics of a weak shock other way around. We first show that density profile in fluid can be expressed as sum linear acoustic modes. The so built propagates at speed sound matter is exactly conserved front crossing. Yet, momentum energy only up to order 0 powers amplitude. sim...

This paper analyses the damping in pressure compensated closed centre mobile working hydraulic systems. Both rotational and linear loads are covered and the analysis applies to any type of pump controller. Only the outlet orifice in the directional valve will provide damping to a pressure compensated system. Design rules are proposed for how the system should be dimensioned in order to obtain a...