Listar Artículo en revista de investigación por autor "Szwedowicz, Dariusz"
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Absorción de energía de estructuras tipo sándwich con base cuadrada sujetas a cargas de compresión
Estrada, Quirino (2018-12-01)En el presente artículo se realiza un análisis numérico de la absorción de energía de perfiles de pared delgada tipo sándwich. Para tal objetivo diversas configuraciones de arreglos cuadrangulares fueron evaluadas empleando ... -
Anti-fall Safety System with Variable Stiffness Layers
Estrada Barbosa, Quirino; Domínguez Gurria, Miguel Alberto; Szwedowicz, Dariusz; Martinez, Eladio; Claudia, Cortes (2023-04-25)This paper presents an experimental and numerical study to evaluate the impact energy dissipation, proposing a friction damper with the use of layers (LFD) for the dissipation of kinetic energy generated as a consequence ... -
Bending crashworthiness of elliptical tubes with different aspect ratio and stiffeners
Estrada Barbosa, Quirino (2022-04-15)Lateral car collisions are common scenarios that represent one of the top causes of passenger’s fatalities and injuries. For this purpose, the current article investigates the effect of cross-sectional aspect ratio (β) on ... -
Effect of end-clamping constraints on bending crashworthiness of square profiles
Estrada Barbosa, Quirino (2021-07-16)The bending crashworthiness performance of thin-walled structures is affected by several factors such as the end-clamping constraints. The end-clamping configuration should be carefully investigated since it is an important ... -
Effect of radial clearance and holes as crush initiators on the crashworthiness performance of bi-tubular profiles
Estrada Barbosa, Quirino (2019-07-01)The use of bi-tubular structures has gained importance in the design of energy absorption systems for protectionof passengers in train collisions. Therefore, it is critical to improve the crashworthiness performance of ... -
IMPACT ENERGY DISSIPATOR WITH VARIABLE STIFFNESS AND DRY FRICTION LAYERS
Estrada Barbosa, Quirino; Domínguez Gurría, Miguel Alberto; Szwedowicz, Dariusz; Martinez, Eladio (2022-01-12)This paper presents an experimental and numerical study that allows to evaluate the dissipation of impact energy, proposing a friction damper with the use of layers (LFD) for impact energy dissipation. The study is carried ... -
Modelo numérico de un maniquí cabeza-cuello para pruebas de choque
Estrada Barbosa, Quirino (2023-06-15)When car crashes occur, the impact energy is transferred to passengers, provoking fatalities and severe injuries. In this sense, the use of dummies to analyze the effect of dynamic loads on the human body is increasing. ... -
Numerical simulations of sandwich structures under lateral compression
Estrada Barbosa, Quirino (2019-06-30)The current paper analyzes the effect of the cross-section on the energy absorption capabilities of sandwich structures under compressive loads. For this purpose, several cross-section including triangular, square, ... -
Required effort for shaft/ring setting according to roughness due to CNC lathe machining
Estrada Barbosa, Quirino; Salgado Cruz, Manuel; Cortes Garcia, Claudia; Szwedowicz, Dariusz; Martinez Rayon, Eladio; Blanco Ortega, Andres (2020-12-30)The shaft/hub joints use the difference in diameters to make the assembly, either by pressure or by temperature. In this investigation, a study was made of the effect of roughness in an assembly, represented by the inner ... -
Variable structural stiffness in frictional energy dissipation with layer elements
Estrada Barbosa, Quirino; Domínguez Gurría, Miguel Alberto; Szwedowicz, Dariusz; Martinez, Eladio (2022-07-01)This paper presents an experimental and numerical study that allows to evaluate the dissipation of impact energy, proposing a friction damper with the use of layers (LFD) for impact energy dissipation. The study is carried ...