Listar Ingeniería por autor "Iturrioz, Ignacio"
Mostrando ítems 1-18 de 18
-
Analysis of acoustic emission activity during progressive failure in heterogeneous materials : experimental and numerical investigation
Friedrich, Leandro Ferreira; Tanzi, Boris Nahuel Rojo; Colpo, Angélica Bordin; Sobczyk Sobrinho, Mario Roland; Lacidogna, Giuseppe; Niccolini, Gianni; Iturrioz, Ignacio (2022) [Artículo de periódico]This work focuses on an experimental and numerical investigation into monitoring damage in a cube-shaped concrete specimen under compression. Experimental monitoring uses acoustic emission (AE) signals acquired by two ... -
Avaliação de metodologias de análise de estruturas de barras submetidas a impacto contra um obstáculo rígido
Meira Júnior, Agenor Dias de; Iturrioz, Ignacio (2007) [Artículo de periódico]O comportamento de veículos terrestres submetidos ao impacto é de grande relevân-cia na engenharia automobilística, existindo um volume considerável de trabalhos experimentais e teóricos nesta área. O estudo deste tipo de ... -
Cálculo del factor de intensidad de tensiones utilizando el método de los elementos discretos
Barrios D'Ambra, Ricardo; Iturrioz, Ignacio; Coceres, Héctor Darío; Kosteski, Luis Eduardo; Tech, Tomás Wayhs; Cisilino, Adrián Pablo (2007) [Artículo de periódico]El cálculo de parámetros fractomecánicos utilizando métodos numéricos computa-cionales es siempre un área activa de investigación. Tradicionalmente esta tarea se realiza utilizando modelos de Elementos Finitos o Elementos ... -
Caracterização do processo de fratura utilizando o método dos elementos discretos e as técnicas de emissão acústica
Puglia, Vicente Bergamini; Iturrioz, Ignacio; Miguel, Letícia Fleck Fadel (2015) [Artículo de periódico]A aplicação de técnicas de Emissão Acústica está revolucionando a caracterização da ruptura em sólidos quase frágeis. Neste contexto a modelagem numérica deste tipo de problema pode ser de utilidade para facilitar a ... -
Comportamento numérico e experimental de cantoneiras de aço formadas a frio
Bonatto, Ricardo; Grigoletti, Gladimir de Campos; Nascimento, Guilherme Reschke do; Iturrioz, Ignacio; Chamberlain Pravia, Zacarias M. (2013) [Artículo de periódico]Perfis de aço formados a frio (PFF) são comumente utilizados não só em estruturas metálicas civis convencionais tais como estruturas de silos e depósitos entre outros, como também em estruturas mecânicas típicas, tais como ... -
Considerations on the diffuse seismicity assumption and validity of the G-R law in stable continental regions (SCR)
Riera, Jorge Daniel; Iturrioz, Ignacio (2015) [Artículo de periódico]It is well known that seismic activity is much higher along inter-plate boundaries, decreasing markedly in intra-plate regions. Although a few locations in so-called Stable Continental Regions (SCRs) around the globe, like ... -
Considerations on the diffuse seismicity assumption in stable continental regions (SCR)
Riera, Jorge Daniel; Iturrioz, Ignacio (2014) [Artículo de periódico]It is well known that seismic activity is much higher along inter-plate boundaries, decreasing perceptibly in intra-plate regions. Although a few locations in so-called Stable Continental Regions (SCRs) around the globe, ... -
Damage evolution analysis in a “spaghetti” bridge model using the acoustic emission technique
Tanzi, Boris Nahuel Rojo; Sobczyk Sobrinho, Mario Roland; Becker, Tiago; Segovia Gonzalez, Luis Alberto; Vantadori, Sabrina; Iturrioz, Ignacio; Lacidogna, Giuseppe (2021) [Artículo de periódico]This paper applies the Acoustic Emission (AE) Technique to analyze the damage process in a one-meter span bridge model that was built from spaghetti sticks during a loading test. The AE signals are analyzed in terms of ... -
Damage evolution in quasi-brittle materials : experimental analysis by AE and numerical simulation
Tanzi, Boris Nahuel Rojo; Iturrioz, Ignacio; Sobczyk Sobrinho, Mario Roland; Lacidogna, Giuseppe (2023) [Artículo de periódico]This work investigates the extension of a total-collapse prediction method to include local failures in quasi-brittle materials as they undergo damage processes. The analysis is experimentally conducted with acoustic ... -
Dynamic fracture analysis of concrete or rock plates by means of the discrete element method
Iturrioz, Ignacio; Miguel, Letícia Fleck Fadel; Riera, Jorge Daniel (2009) [Artículo de periódico]The authors apply the so-called Discrete Element Method (DEM) to determine the dynamic response of concrete and rock plates of various sizes that fracture under the action ofstatic and dynamic loading. When, on account of ... -
Evaluation of the seat fastening in the frame of a road bus submitted to frontal impact
Walber, Márcio; Meira Júnior, Agenor Dias de; Goedel, Fábio; Alcalá Fazio, Enrique; Aparicio Izquierdo, Francisco; Iturrioz, Ignacio (2014) [Artículo de periódico]The collective intercity transportation by bus is currently a mean of locomotion much sought after by people. Security in accidents is a very important factor that must be taken into account in design of bus body structure, ... -
Long-range correlations and natural time series analyses from acoustic emission signals
Friedrich, Leandro Ferreira; Cezar, Édiblu Silva; Colpo, Angélica Bordin; Tanzi, Boris Nahuel Rojo; Sobczyk Sobrinho, Mario Roland; Lacidogna, Giuseppe; Niccolini, Gianni; Kosteski, Luis Eduardo; Iturrioz, Ignacio (2022) [Artículo de periódico]This work focuses on analyzing acoustic emission (AE) signals as a means to predict failure in structures. There are two main approaches that are considered: (i) long-range correlation analysis using both the Hurst (H) and ... -
Numerical analysis of an intercity bus structure : a simple unifilar model proposal to assess frontal and semifrontal crash scenarios
Meira Júnior, Agenor Dias de; Iturrioz, Ignacio; Walber, Márcio; Goedel, Fábio (2016) [Artículo de periódico]To improve the safety of the intercity bus structure against impact scenarios and to reduce the injuries and death in traffic accidents it is crucial in a country with continental dimensions like Brazil, where the road ... -
A numerical study on the aerodynamic performance of building cross-sections using corner modifications
Alminhana, Guilherme Wienandts; Iturrioz, Ignacio; Clarke, Thomas Gabriel Rosauro (2018) [Artículo de periódico]A numerical investigation is performed in this work in order to evaluate the aerodynamic performance of building cross-section configurations by using corner modifications. The CAARC tall building model is utilized here ... -
The dispersion curve applied in guided wave propagation in prismatic rods
Groth, Eduardo Becker; Iturrioz, Ignacio; Clarke, Thomas Gabriel Rosauro (2018) [Artículo de periódico]The early detection of failures in structures is a subject of great interest in engineering; several of these techniques are linked with the elastic wave propagation, using guided waves is one of these alternatives. Several ... -
The elastic wave propagation in rectangular waveguide structure determination of dispersion curves and their application in nondestructive techniques
Groth, Eduardo Becker; Clarke, Thomas Gabriel Rosauro; Silva, Guilherme Schumacher da; Iturrioz, Ignacio; Lacidogna, Giuseppe (2020) [Artículo de periódico]The use of mechanic waves for assessing structural integrity is a well-known non-destructive technique (NDT). The ultrasound applied in the guided wave in particular requires significant effort in order to understand the ... -
Truss-like discrete element method applied to damage process simulation in quasi-brittle materials
Tanzi, Boris Nahuel Rojo; Birck, Gabriel; Sobczyk Sobrinho, Mario Roland; Iturrioz, Ignacio; Lacidogna, Giuseppe (2023) [Artículo de periódico]This paper discusses the combined application of the lattice discrete element method (LDEM) and the acoustic emission (AE) technique to analyze damage in quasi-brittle materials. These methods were used to study the damage ... -
Verificação teórica e experimental do comportamento de telhas de aço trapezoidais formadas a frio
Mezzomo, Gustavo Prates; Grigoletti, Gladimir de Campos; Iturrioz, Ignacio (2006) [Artículo de periódico]Os perfis de aço formados a frio são componentes estruturais de grande aplicação na engenharia, sendo fabricados a partir de chapas de pequena espessura. Esses perfis são caracterizados pela grande relação largura/espessura ...