Multibody system with elastic connections for dynamic modeling of compactor vibratory rollers

P Bratu - Symmetry, 2020 - mdpi.com
The dynamic model of the system of bodies with elastic connections substantiates the
conceptual basis for evaluating the technological vibrations of the compactor roller as well …

First Elastic Step Vibration Isolation Of Single Drum Vibratory Roller Compactor

D CĂPĂȚINĂ, CM NIȚU… - ACTA TECHNICA …, 2022 - atna-mam.utcluj.ro
The discrete variation of equivalent stiffness coefficient in the first elastic step is performed in
order to determine the optimum solution of the dynamic regime in the vibratory compaction …

Research On The Process Of Vibratory Compaction Of Sustainable Roads

D CĂPĂŢINĂ, N Cristina… - ACTA TECHNICA …, 2020 - atna-mam.utcluj.ro
The paper evidences preliminary research results on the process of vibratory compaction of
soils for sustainable road construction. For an efficient process, one important aspect is that …

Dynamic Behavior of Vibratory System to Discrete Variation of Viscous Damping in Linear Viscoelastic Material Processing Technologies

P Bratu, O Vasile, C Dobrescu, MC Nițu… - … Conference on Acoustics …, 2023 - Springer
The experimental research carried out under forced vibrations, by applying a harmonic
excitation inertial force, highlighted the fact that the processed viscoelastic materials, when …

Modal Amortization Rate Equivalent to a Structural System with Elastomer Insulators

P Bratu - Romanian Journal of Acoustics and Vibration, 2020 - rjav.sra.ro
This article addresses the amortization rate equivalent or composed on own ways of the
structural system. This situation is specific to structural systems consisting of several …

COMPOUND AMORTIZATION FOR COUPLED DYNAMIC SYSTEMS

P BRATU - ACTA TECHNICA NAPOCENSIS-Series: APPLIED …, 2020 - atna-mam.utcluj.ro
For a linear dynamic system (m, c, k) with several degrees of freedom qi, i=, amortization
may be assessed only based on the modal amortization ratio corresponding to the vibration …