Marcos Souza Lenzi

Federal University of Santa Catarina | UFSC · Departamento de Engenharia Civil

Este estudo tem como objetivo o desenvolvimento de uma plataforma online dedicada à análise dos níveis de ruído rodoviário, utilizando modelos matemáticos e linguagem de programação. A metodologia utilizada tem como base a inserção de dados geoespaciais, combinados com as características das rodovias, tendo como principal parâmetro o fluxo de veícu...

L-shaped buildings subjected to ground accelerations undergo coupled lateral and torsional vibrations that can result in critical stress concentrations at their re-entrant corners. Even so, a comprehensive literature review indicates that the Reliability-Based Design Optimization (RBDO) of multiple Tuned Mass Dampers (TMDs) in L-shaped buildings ha...

Com o desenvolvimento industrial e tecnológico, as várias fontes de poluição ambiental têm sido causadoras de danos ao ser humano e ao meio ambiente. A poluição sonora gerada pelo tráfego de veículos em vias urbanas atinge a população e interfere diretamente na sua qualidade de vida. O objetivo geral é a implementação de uma plataforma expositiva e...

Determining the dynamic response to earthquakes is critical for designing building structures in seismic zones. Nevertheless, a massive computational burden is usually demanded when large-scale mechanical models are required or in applications of design optimization and uncertainty quantification. Therefore, a growing interest in non-modal Model Or...

O ruído é um elemento considerado como indesejado, principalmente no que tange o isolamento e conforto em edificações. Os modelos de avaliação da transmissão do ruído aéreo levam em consideração o ambiente estudado de forma isolada como é o caso da norma EN 12354-1, com embasamento no estudo de Gerretsen (1979), sem levar em conta as demais estrutu...

Buildings with vertical or in-plane irregularities are often required for architectural purposes. From the seismic behavior perspective, such conditions usually demand a complete dynamic analysis instead of applying static equivalent lateral forces. Furthermore, a refined building’s finite element model (FEM) can also be needed, leading to time-exp...

Corrigendum to “Health Monitoring of Storage Tanks Subject to Near-Field and Far-Field Earthquakes” [Engineering Science & Technology, Volume 2 Issue 2 (2021) 116-130] https://doi.org/10.37256/est.222021640 Published online May 7, 2021. The authors regret they missed to one of the authors, Hamidreza Vosoughifar, whose contribution to this paper tha...

Structural Health Monitoring (SHM) is a method to conserve the structures and monitor their stress and strain situation. Natural disasters, significantly earthquake could damage the water supply systems, including water tanks. The earthquake could conclude cavitation and water sloshing inside the underground water tank. On the other hand, it can ca...

No PDF available ABSTRACT This paper treats a typical industrial vibroacoustic problem, consisting of a double panel under forced vibration which radiates to the far-field. A finite element model is proposed, where both structural links and porous material are represented as equivalent models. The addition of frequency-dependent elements, as mechan...

This paper presents an efficient approach for computing frequency sweeps with fine increments of acoustic systems described by the variational indirect boundary element method. The matrices arising from such boundary element discretizations are fully populated and their assembly is computationally demanding as it involves the calculation of double...

In various engineering applications, the solution of the Helmholtz equation is required over a broad frequency range. The simplest approach, which consists in solving the system of equations obtained from a finite element discretization for each frequency, becomes computationally prohibitive for fine increments, particularly when dealing with large...

In order to improve the product quality and to reduce the time-to-market in the vehicle development process, the use of new design tools is of fundamental importance. Providing additional insights in the structural response of the vehicle structure can lead to better understanding and subsequent improvement of the functional performance in terms of...

An energy flow post-processing tool for structural dynamic analysis is presented based on a conventional finite element (FE) analysis. The global dynamic behaviour of a system and local subcomponent descriptions can provide efficient energy distribution evaluation and vibro-acoustic analysis of complex structures. The use of energy as a response va...