Volume XII, issue 2

Editorial – SEISMIC PROTECTION OF STRUCTURES Gilbert Rainer GILLICH	pag 110
Acoustic Performance of Composite Materials Made from Textile Waste Ancuta Elena TIUC, Ovidiu VASILE, Horatiu VERMESAN	pag 111-115
Large Eddy Simulation of Turbulent Fluid Flow over Circular Tube Bundle Karthik Selva Kumar KARUPPASAMY, Kumaraswamidhas LAKSHMI ANNAMALAI	pag 116-125
AssessmentsRegarding Effective Configurations of Vibrations Isolators Based on Displacements Analysis Aurora POTIRNICHE	pag 126-131
Numerical Determination of Eigenfrequencies in Two-Dimensional Acoustic Cavities Using a Global Collocation Method Christopher PROVATIDIS, Angelos FILIPPATOS	pag 132-138
Diagnosis of a Portal Frame Using Frequency Shift Analysis Gilbert Rainer GILLICH, Zeno Iosif PRAISACH, Vasile IANCU, Emilian STANCIU	pag 139-145
An Analysis of the Dynamic Behavior of Rectangular Plates from a Damage Detection Approach Marius TUFOI, Gilbert Rainer GILLICH, Ion Cornel MITULETU, Cornel HATIEGAN	pag 146-15 0
Visual Method to Recognize Breathing Cracks from Frequency Change Cristian Paul CHIONCEL, Gilbert Rainer GILLICH, Ion Cornel MITULETU, Nicoleta GILLICH, Ionela PELEA	pag 151-15 4
Numerical Study Regarding the Influence of Material Components for a Booster-Ultrasonic Horn Assembly on the Natural Frequency Marian Dumitru NEDELONI, Cornel HATIEGAN, Ovidiu VASILE, Codruta Oana HAMAT, Cristian FANICA, Nicoleta GILLICH	pag 155-160
Dynamic Loads Due to Torsional Vibrations within Turning System of Hydraulic Excavators. Part I. Analytical and Numerical Approaches Adrian SAVULESCU, Carmen DEBELEAC	pag 161-164
Comparative Analysis of the Vibrations of the Variators of Angular Velocity with Bars Dinel POPA, Nicolae-Doru STANESCU	pag 165-176
Some Observations Concerning the Stability of the Mechanical Systems Used in the Construction of the Summing Power Planetary Mechanism Dinel POPA, Nicolae-Doru STANESCU	pag 177-182