Results 11 to 20 of about 2,981 (188)
Hyperbolic Methods for Einstein's Equations. [PDF]
Living Rev Relativ, 1998 Reula OA.
europepmc +2 more sources
Vanishing viscosity limits of mixed hyperbolic–elliptic systems arising in multilayer channel flows [PDF]
, 2015 This study considers the spatially periodic initial value problem of 2 × 2 quasilinear parabolic systems in one space dimension having quadratic polynomial flux functions.
Papaefthymiou, ES, Papageorgiou, DT
core +1 more source
Black Hole Production in Particle Collisions and Higher Curvature Gravity
, 2004 The problem of black hole production in transplanckian particle collisions is revisited, in the context of large extra dimensions scenarios of TeV-scale gravity.
A. Jevicki +39 more
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Formation and propagation of singularities in one-dimensional Chaplygin gas
, 2013 In this paper, we investigate the formation and propagation of singularities for the system for one-dimensional Chaplygin gas, which is described by a quasilinear hyperbolic system with linearly degenerate characteristic fields.
Kong, De-Xing, Wei, Changhua
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The problem of dynamic cavitation in nonlinear elasticity [PDF]
, 2013 The notion of singular limiting induced from continuum solutions (slic-solutions) is applied to the problem of cavitation in nonlinear elasticity, in order to re-assess an example of non-uniqueness of entropic weak solutions (with polyconvex energy)
Giesselmann, Jan +2 more
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Generalized harmonic spatial coordinates and hyperbolic shift conditions [PDF]
, 2005 We propose a generalization of the condition for harmonic spatial coordinates analogous to the generalization of the harmonic time slices introduced by Bona et al., and closely related to dynamic shift conditions recently proposed by Lindblom and Scheel,
Alejandro Corichi +11 more
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Nonclassical shallow water flows [PDF]
, 2007 This paper deals with violent discontinuities in shallow water flows with large Froude number $F$. On a horizontal base, the paradigm problem is that of the impact of two fluid layers in situations where the flow can be modelled as two smooth regions ...
Edwards, C. +3 more
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Advanced Robotics Research, EarlyView.A soft robotic simulator is developed to replicate the digital removal of feces (DRF), a sensitive yet essential nursing procedure. Integrating soft actuators, sensors, and a realistic rectal model, the simulator balances functional fidelity with perceptual realism. Engineering evaluations and nurse feedback confirm its potential to enhance training in
Shoko Miyagawa +10 more
wiley +1 more source
Coordinate Singularities in Harmonically-sliced Cosmologies [PDF]
, 2000 Harmonic slicing has in recent years become a standard way of prescribing the lapse function in numerical simulations of general relativity. However, as was first noticed by Alcubierre (1997), numerical solutions generated using this slicing condition ...
A. Geyer +13 more
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Compliant Pneumatic Feet with Real‐Time Stiffness Adaptation for Humanoid Locomotion
Advanced Robotics Research, EarlyView.A compliant pneumatic foot with real‐time variable stiffness enables humanoid robots to adapt to changing terrains. Using onboard vision and pressure control, the foot modulates stiffness within each gait cycle, reducing impact forces and improving balance. The design, cast in soft silicone with embedded air chambers and Kevlar wrapping, offers durable,
Irene Frizza +3 more
wiley +1 more source