ON A SHAPE IDENTIFICATION PROBLEM
Journal Title: ROMANIAN JOURNAL OF TECHNICAL SCIENCES - APPLIED MECHANICS - Year 2010, Vol 55, Issue 3
Abstract
An inverse method using a genetic algorithm and a quasi-Newton method is presented in this paper. We consider the problem of identifying a finite elastic airfilled hollow body of unknown shape embedded in a compressible, inviscid homogeneous fluid, based on the concept of time reversal invariance. A nonlinear model describes the acoustical signature of the scatterer. Numerical simulation is carried out for several examples to illustrate the efficiency of the method.
Authors and Affiliations
Iulian GIRIP, Petru ŞTIUCĂ, Ligia MUNTEANU
Keywords
Related Articles
- EP ID EP97402
- DOI -
- Views 90
- Downloads 0
SCENARIOS FOR CHECKING THE PROGRESSIVE COLLAPSE OF REINFORCED CONCRETE DUAL SYSTEM FOR BUILDINGS
The objective of the study is a building structure, made of reinforced concrete in a dual system. The structure is a theoretical one but the dimensioning and the considered loads complies the technical regulations in for...
DYNAMICS MODELLING OF A PARALLEL FLIGHT SIMULATOR
Recursive matrix relations for dynamics analysis of a parallel manipulator, namely the spatial flight simulator, is established in this paper. Knowing the general motion of the platform, the inverse dynamics problem is s...
ON A SHAPE IDENTIFICATION PROBLEM
An inverse method using a genetic algorithm and a quasi-Newton method is presented in this paper. We consider the problem of identifying a finite elastic airfilled hollow body of unknown shape embedded in a compressible,...
A SPECIAL CLASS OF DRIP MEDIA WITH HYSTERESIS
Since the interaction phenomenon for waves of arbitrary shape and amplitude is a property of the transmitting medium rather than of the particular wave profiles, Seymour and Varley named as DRIP the media that do not rem...
EXPERIMENTAL AND THEORETICAL ANALYSIS OF NOVEL TELESCOPIC DEVICES FOR EARTHQUAKE PROTECTION
The telescopic SERB devices are compact mechanical devices designed for bracing isolation systems. These devices can provide important dissipation of the seismic energy and can generate the necessary force to prevent the...