The paper analyzes the dynamic stresses induced by mechanical vibrations on an electronic circuit board, considering different study hypotheses, resulting from real cases presented in technical texts. The corresponding models ...

This paper aims to present synthetically as many of those tools that are part of Mechanical Desktop 2008 software with notable performance in the CAD environment and to justify this performance by the presentation of the ...

ElectroMechanical Film (EMFi) is a thin, plastic material that can be utilized as a sensor and actuator. EMFi is quite new material in the field of ultrasonics and has favorable properties like good matching to air ...

The movements of many material systems can be described by differential equations that have coefficients that depend on time. It is difficult to determine the solutions of these equations. Although many concrete problems ...

This paper presents a cumulative and comparative analysis, concerning the noise and vibration pollution and protective approaches, monutoring the construction technological equipments. By means of the computer simulations, ...

Non-linear vibrations of mechanical systems are described by differential equations of the second order, which are generally written .. . x f ( x, x,t )  0 . In this work we study non-autonomous vibrations of mechanical ...