Volume IX, Issue 1

Editorial – MODERN METHODS FOR NOISE CONTROL Ovidiu VASILE	page 2
Analytical and Experimental Assessment of Degrading Structures Dynamic Behavior Tudor SIRETEANU, Ana-Maria MITU, Claudia MEGLEA	page 3-8
Torsional Elastic Waves in Tubes. Improved Dispersion Curves Mihai Valentin PREDOI, Ovidiu VASILE, Cristian Catalin PETRE	page 9-14
Consideration Regarding the Nonlinear Vibration of a Mechanical System Cristian DRAGOMIRESCU, Andrei CRAIFALEANU, Valentin CEAUSU	page 15-22
Application of Superposition Principle to Detect Damages in Beams by using Natural Frequencies Zeno-Iosif PRAISACH, Ionica NEGRU, Gilbert-Rainer GILLICH	page 23-28
Friction Pendulum Dampers for Earthquake Isolated Structural Systems Fanel SCHEAUA	page 29-32
The Influence of the Damping Coefficients to the Hunting Motion Stability of the Bogies Daniel BALDOVIN, Simona BALDOVIN	page 33-38
Investigation of the Noise at the Limit of Functional Zones Nicolae HERISANU, Vasile BACRIA	page 39-45
Transfer Matrix Method Applied in the Study of Vibrations of the Centrifuges with the Basket in the Console Mihail BOIANGIU, Adina BOIANGIU	page 47-52
Evaluation of the Dissipated Energy in Viscoelastic or Hysteretic Seismic Isolators Polidor BRATU	page 53-56
Study of Noise Directivity at Household Air Conditioning Installations George Catalin ION, Adrian COSTACHE	page 57-60
Noise Mapping in Hungary and Romania Tomas NEDA, Maria BITE, Pal BITE, Istvan DOMBI	page 61-65