• Dynamic Analysis of Electro-Hydrodynamic Vibratory Equipment Using Virtual Prototyping Technique 

      Axinti, Gavril; Năstac, Silviu (Universitatea "dunărea de Jos" din Galați, 2004)
      In this paper the authors analyse the functional behaviour of an electrohydrodynamic vibratory equipment, that could be used to vibro-driving the piles into the powerless soils, to drive a demolition hammer, a.s.o. ...
    • Dynamic Analysis of Mechanical Systems. Calculus of the Equivalent Dynamic Forces and Torques 

      Drăgan, Nicușor (Universitatea "Dunărea de Jos" din Galați, 2008)
      This article presents the physical and mathematical models of mechanical systems with elastical and/or rigid elements, subjected to dynamical loads: forces and torques. The aim of the study is to establish some formulas ...
    • Dynamic Analyze for the Chassis-Cab System Having Elastic Intermediate Link (Elastic Interface) 

      Mihalcea, Aurelia (Universitatea "Dunărea de Jos" din Galați, 2004)
      Among the machinery generating occupational diseases due to the vibrations transmitted to human body the portable hand-held construction equipment such as drill hammers and demolition hammers are classified. In order ...
    • Dynamic Aspects of Percussion Equipments 

      Axinti, Gavril (Universitatea "Dunărea de Jos" din Galați, 2009)
      The paper highlights some aspects of modelling the dynamic processes taking place in the percussion equipments, known as hydraulic hammers. Theoretical and experimental aspects of the behaviour of equipments on test ...
    • Dynamic Calculation of the Mechanical Transmissions with Gears and Elastic Shafts 

      Drăgan, Nicușor (Universitatea "Dunărea de Jos" din Galați, 2011)
      This study presents the elaboration of the physical and mathematical dynamic models of the mechanical systems with elastic shafts and discrete mass elements subjected to dynamical loads, taking into consideration ...
    • Dynamic Management of Manufacturing Orders 

      Ghelase, Daniela; Dașchievici, Luiza (Universitatea "Dunărea de Jos" din Galați, 2012)
      A key requirement for the make-to-order (MTO) manufacturing companies to remain competitive is the ability to assess incoming orders in terms of performance and to determine the best orders that they should accept. In ...
    • Dynamic Model for a Moving Particle on Technological Rotating Working body of an Agricultural Machine 

      Axinti, Adrian-Sorin (Universitatea "Dunărea de Jos" din Galați, 2014)
      This paper deals with the movement dynamics of a soil particle or a seed on the working body of an agricultural machine having uniform rotational motion. It presents the dynamic equations that describe the instant positions ...
    • Dynamic Model for Hydraulic Dissipaters 

      Axinti, Gavril; Axinti, Adrian-Sorin; Nedelcuț, Florin (Universitatea "Dunărea de Jos" din Galați, 2008)
      The paper deals with the problem of energy hydraulic dissipaters used as dissipative links for mechanical structures subjected to earthquakes, shocks and vibrations. The authors propose a mathematical model of a hydraulic ...
    • Dynamic Models for the Traction System of the Self-Propelled Machines 

      Axinti, Adrian-Sorin; Goanță, Adrian Mihai (Universitatea "Dunărea de Jos" din Galați, 2007)
      The work presents a classification of traction systems as a function of structure, the systems being classified into: integrally mechanical-tractional systems–STIM, mechanical-hydrostatical tractional -STMH and integrally ...
    • Dynamic of Industrial Tractors with THM for Construction 

      Sârbu, Laurenţiu (Universitatea "Dunărea de Jos" din Galaţi, 2003)
      Traction calculus is done to determine the main parameters of the equipment’ s engine and transmission designed to achieve the performances imposed in exploitation [1, 2, 3]. One of the base problem of the traction ...
    • Dynamic Parameter Identification of Robots Using a Neural Net 

      Jiang, Zhao-Hui (Universitatea "Dunărea de Jos" din Galați, 2009)
      This paper addresses issues of dynamic parameter identification of robot manipulators. A new identification approach with neural network based compensation of uncertain dynamics is proposed. The parameter identification process ...
    • Dynamic Simulation of the Vibrator Roller - Terrain Interaction Using an Elastoplastic Approach 

      Căpăţână, Gigel-Florin (Universitatea "Dunărea de Jos" din Galați, 2013-10-01)
      This study deals with the problematic of deep interaction between the terrain and the vibratory drum at the technological process of dynamic compaction. In this paper is briefly presented a theoretical approach of this ...
    • Dynamical Characterization Behavior of Machine Foundation whit Percussion Stresses Applied 

      Leopa, Adrian (Universitatea "Dunărea de Jos" din Galați, 2006)
      This paper presents a dynamical analyze on the foundation of machine when are apply stresses such the beat (percussion). In this way can be evaluate dynamical response of the structure, in our case foundation of machines, ...
    • Dynamical Response Analysis of a System with one Degree of Freedom Stresses by the Different Pulse Excitation Functions 

      Leopa, Adrian; Năstac, Silviu (Univeritatea "Dunărea de Jos" din Galați, 2010)
      Viscoelastic systems embedded in structures such as bridges are subject to various dynamic loading from traffic. A dynamic study of these structures requires more accurate definition of disturbance function parameters: ...
    • Econometric Control of the Manufacturing Machines 

      Ghelase, Daniela; Dașchievici, Luiza (Universitatea "Dunărea de Jos" din Galați, 2013-05-01)
      This paper presents a method of econometric modelling of the manufacturing machines which is based on the machine operation monitoring, the collected data storing and an analytical model building meant to describe the ...
    • Econometric Modelling of the Manufactoring System 

      Ghelase, Daniela; Dașchievici, Luiza (Universitatea "Dunărea de Jos" din Galați, 2009)
      According to this new approach, a machining system interacts with the “market” carrying out a certain “service” (machining “service”) for a specified “client” (the work piece), it establishes a full economic relationship ...
    • Elastic System Designed for Base Insulation Against Dynamic Action of Vibrations and Seism 

      Bratu, Polidor (Universitatea "Dunărea de Jos" din Galați, 2004)
      The approach regarding building base insulation puts into evidence the possibility to evaluate the antiseismic insulation degree in a direction defined using supporting elastic systems having various geometry, structure ...
    • Energy Dissipation Device Using Fluid Dampers 

      Șcheaua, Fănel; Nedelcuț, Florin (Universitatea "Dunărea de Jos" din Galați, 2012)
      This scientific paper presents a solution that is adequate for the seismic isolation of small and medium size buildings and bridges. Comprising two seismic isolating devices, the described arrangement is suitable ...
    • Engineering and Creativity. Romanian Policy Regarding Innovation and Scientific Research Devalopment 

      Drăgan, Nicușor (Univerisitatea "Dunărea de Jos " din Galați, 2010)
      The goal of Lisbon Agenda is to make the EU "the most dynamic and competitive knowledge-based economy in the world, capable of sustainable economic growth improving skiels for more and better jobs and greater social ...
    • Evaluating Methods of Whole-Body-Vibration Exposure in Trains 

      Năstac, Silviu; Picu, Mihaela (Universitatea "Dunărea de Jos" din Galați, 2010)
      This paper studies the whole-body vibration in trains which constitutes one aspect of the physical environment that can cause discomfort to passengers. Modern methods of assessment use digital techniques. Accelerometers ...