Volume XIII, issue 1

Editorial – Smart suspension systems Tudor SIRETEANU	page 2
Energy Flux for Guidwd Waves Determined by the Finite Elements Method Mihai Valentin PREDOI, Camille GAUTHIER, Dominique MEIER, Moncef EL-KETTANI, Damien LEDUC	page 3-10
Modal Analysis of a Butterfly Valve with Different Stiffening Elements Marius TUFOI, Gilbert-Rainer GILLICH, Zeno-Iosif PRAISACH, Zoltan-Iosif KORKA, Cornel HATIEGAN	page 11-1 5
Vibration of the Planar Elliptic Disk Acted by Its Own Weight on a Horizontal Straight Line Nicolae–Doru STĂNESCU, Nicolae PANDREA	page 16-19
A Method for Single-Tone Frequency Estimation Hristo ZHIVOMIROV, Ivaylo NEDELCHEV, Rosen VASILEV	page 20-24
Experimental and Numerical Determination of the Defects in Joints Welded by Aluminothermy Process Oussama BOUAZAOUI, Abdelkerim CHOUAF	page 25-30
Determination of the Noise Barriers Performance for Protected Areas Alina Mihaela RĂDOI, Nicolae ENESCU, Ioan MAGHEŢI	page 31-34
Theoretical Study of Ultrasonic Pulsed Influence for Evaluation Optimum Modes for Coagulation in Liquid-dispersed Systems Vladimir N. KHMELEV, Roman N. GOLYKH, Evgeniy V. ILCHENKO, Vladislav A. SHAKURA, Viktor A. NESTEROV, Roman S. DOROVSKIKH	page 35-41
Noise Measurement and Analysis of the Power Transformer Abdel-Fattah. A. MAHMOUD, Hany A. SHAWKY	page 42-46
A Quintic Spline Technique: Effect on Frequency of C-S-C-S and S-S-S-S Rectangular Plate with Varying Thickness and Temperature Effect Ashish Kumar SHARMA, Subodh Kumar SHARMA	page 47-52
Mathematical Modeling of Vibration on Parallelogram Plate with Non Homogeneity Effect Amit SHARMA, Ashish Kumar SHARMA	page 53-57