A ship moving steadily forward in shallow water of constant depth h is usually subject to downward forces and hence squat, which is a potentially dangerous sinkage or increase in draft. Sinkage increases with ship speed, until it reaches a maximum at just below the critical speed p gh. Here we use both a linear transcritical shallow-water equation and a fully dispersive Ž nite-depth theory to d...

The performance of many traffic control strategies depends on how much the traffic flow models are accurately calibrated. One of the most applicable traffic flow model in traffic control and management is LWR or METANET model. Practically, key parameters in LWR model, including free flow speed and critical density, are parameterized using flow and speed measurements gathered by inductive loop d...

The apparent Lorentz invariance of the laws of physics does not imply that space-time is indeed minkowskian. Matter made of solutions of Lorentz-invariant equations would feel a relativistic space-time even if the actual space-time had a quite different geometry (f.i. a galilean space-time). A typical example is provided by sine-Gordon solitons in a galilean world. A " sub-world " restricted to...

Abstract Turbochargers have been widely used in various base conditions, such as horizontal, vertical, or inclined. The prediction of the dynamics is utmost importance to inclined turbocharger designers. In this paper, effect weight on critical speed an rotor coupled with floating ring bearings investigated. modeled by lumped mass model. nonlinear bearing model derived using Capone’s Then dynam...