Căutare 2012 fascicula14 nr1 după Titlu

Afișează articolele 2-20 of 20

    • Comparative Study of Advanced Modelling Controls Present in Design Software 

      Goanță, Adrian Mihai (Universitatea "Dunărea de Jos" din Galați, 2012)
      The paper aims to present a comparative study of "Loft" control command or equivalent controls that are found in the following design software: Mechanical Desktop 6, Inventor 2011, Solid Edge and NX 7.5 SIEMENS v. 20. ...

    • Considerations on the Nonlinearity Grade of the Nonlinear Mechanical Elastic Systems 

      Drăgan, Nicușor (Universitatea "Dunărea de Jos" din Galați, 2012)
      The article is taking into consideration a nonlinear model for the damping, where the damping coefficient has a polynomial variation function of the velocity. The differential equation of the movements of the non-linear 1DOF ...

    • Method Flowchart of Make to Order Manufacturing Systems 

      Dașchievici, Luiza; Ghelase, Daniela (Universitatea "Dunărea de Jos" din Galați, 2012)
      Decisions on acceptance of order and production planning in the manufacturing system are often considered separately. Sales Department is responsible for accepting orders, while the production department deals with ...

    • A Method for Determining the Pressure Loss Coefficients 

      Hauk, Niculai (Universitatea "Dunărea de Jos" din Galați, 2012)
      For braking elements of mechanisms operated by hydraulic cylinders is used hydraulic resistance which controls the working fluid. Determination of these systems is difficult, especially in the design phase. This ...

    • Mud Pumping Equipment Attached to Excavator Arm 

      Eftimie, Dorin (Universitatea "Dunărea de Jos" din Galați, 2012)
      This study presents a mud pumping equipment that can be attached to the excavator arm. This equipment can solve ecological issues in narrow spaces, in areas where access is limited as well as during floods. Tthe technological ...

    • Operation Earning Power Modelling of the Manufacturing Process 

      Dașchievici, Luiza; Ghelase, Daniela (Universitatea "Dunărea de Jos" din Galați, 2012)
      In order to better represent the specified goal of the manufacturing process we propose (as a novelty) as a criterion the Earning Power (EP). It is both synthetic (because it reflects the essential motivation of the ...

    • Quantification of the Dynamic Response of a Viaduct Loaded by Shocks from Road Traffic 

      Leopa, Adrian (Universitatea "Dunărea de Jos" din Galați, 2012)
      The work in seismic design of bridges needs to develop physical models and mathematical theory, based on which will be assessed and quantified the dynamic response of bridge structures subjected to stress arising from ...

    • Researches on the Acoustic Treatments with Composite Materials Panels at the Frontal Loader MMT45 

      Drăgan, Nicușor (Universitatea "Dunărea de Jos" din Galați, 2012)
      The article presents the problem of the testing of some protective systems made of PU foam based composite materials which can simultaneously meet the following requirements: noise absorption for middle and high range ...

    • Seismic Isolation and Energy Dissipation Systems for Safe Structures 

      Șcheaua, Fănel (Universitatea "Dunărea de Jos" din Galați, 2012)
      The seismic protection of buildings has been a successful strategy for the past 30 years. Seismic protection systems ensure the safety of any type of building even under most severe earthquakes. Seismic devices not ...

    • A Study of Hand-Arm Vibrations for the Foresters Workers 

      Picu, Mihaela (Universitatea "Dunărea de Jos" din Galați, 2012)
      The foresters workers are especially exposed to hand-arm transmitted vibrations. These vibrations can cause the complex of vascular, neurological and musculoskeletal disorders, collectively named hand-arm vibration ...

    • Study on a Seismic Isolation Method Suitable for an Architectural Monument 

      Șcheaua, Fănel; Nedelcuț, Florin (Universitatea "Dunărea de Jos" din Galați, 2012)
      The research presented in this scientific paper investigates an adaptive seismic isolation system meant to protect architectural monuments structures subjected to a variety of seismic ground motions. This scientific paper ...

    • Technological Optimization Process for "Differential Trunk" Component 

      Eftimie, Dorin (Universitatea "Dunărea de Jos" din Galați, 2012)
      This study aims to optimize the technological process of manufacturing the „differential trunk” component with NX7.5 software. Modelling the component was made in „ 3D” CAD, simulation was achieved with CAE finite element ...

    • Teoretical Approach for the Control of the Make to Order Manufacturing System : Part 2 

      Ghelase, Daniela (Universitatea "Dunărea de Jos" din Galați, 2012)
      In practice, decisions on acceptance of order and production planning are often considered separately. Sales Department is responsible for accepting orders, while the production department in charge of production planns ...

    • The Nonlinear Behavior Identification of the Dynamic Insulation Systems Used in Viaduct Structure 

      Leopa, Adrian (Universitatea "Dunărea de Jos" din Galați, 2012)
      Because of the destructive effects of seismic movements on bridges and viaducts, it was required to embed the structure of seismic devices with the role of maintaining structural integrity and post-seismic functionalit ...

    • The Parametrical Free Vibrations of Elastic Systems, the Analytical Exact Solutions 

      Cauteș, Gheorghe (Universitatea "Dunărea de Jos" din Galați, 2012)
      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 ...

    • The Possibilities of Increasing Efficiency and Confidence of the Calculations for Hydraulic Cylinders Provided with Cushioning System at System at end of Race 

      Hauk, Niculai (Universitatea "Dunărea de Jos" din Galați, 2012)
      Working with specialized software, fluid flow analysis has the disadvantage of being time-consuming. Also, modern computers are needed. This paper presents a way of combining simulation with specialized programs of ...

    • Theoretical Approach for the Control of the Make to Order Manufacturing System : Part 1 

      Ghelase, Daniela; Dașchievici, Luiza (Universitatea "Dunărea de Jos" din Galați, 2012)
      In practice, decisions on acceptance of order and production planning are often considered separately. Sales Department is responsible for accepting orders, while the production department in charge of production plans ...

    • Thermoelectric Generator - An Alternative Electric Power Source 

      Diaconescu, Ioana; Grigorescu, Luiza (Universitatea "Dunarea de Jos" din Galați, 2012)
      This paper presents the thermoelectric generators which converting directly heat flow into electric energy. Thermoelectric modules (TEM) normally designed for cooling are suited for power generation as well, as they are ...

    • Using CAD Sistems in Ecodesign 

      Haraga, Georgeta; Ghelase, Daniela (Universitatea "Dunărea de Jos" din Galați, 2012)
      This paper has as principal objective to point out the aspects related to ecodesign and 3D modelling of a trolley for firewood that can be realised using CAD systems. From these, the CATIA program has been chosen. The ...