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Investigación de varios problemas de vibración no lineal utilizando VIBRANT: una herramienta basada en Abaqus y
Mertol Tüfekci1,2, Furkan Sevencan3, Ozan Yurdakul3
1Centre for Engineering Research, University of Hertfordshire, Hatfield, United Kingdom.
PloS one
|January 21, 2026
Resumen
VIBRANT, una herramienta de Python, analiza vibraciones no lineales en sistemas mecánicos complejos. Predice con precisión el comportamiento del sistema bajo varias no linealidades, demostrando ser eficiente para aplicaciones de ingeniería.
Área de la Ciencia:
- Ingeniería Mecánica
- Mecánica Computacional
- Análisis de Vibraciones
Sus antecedentes:
- El análisis de vibraciones no lineales es crucial para sistemas mecánicos complejos.
- Las herramientas existentes pueden carecer de eficiencia o tener dificultades con diversas no linealidades.
- La predicción precisa del comportamiento en el dominio de la frecuencia bajo excitación armónica es un desafío.
Objetivo del estudio:
- Presentar VIBRANT (VIbration BehaviouR ANalysis Tool), una nueva herramienta basada en Python para el análisis de vibraciones no lineales.
- Demostrar la capacidad de VIBRANT para manejar varias no linealidades, incluyendo rigidez y amortiguación.
- Validar la precisión y eficiencia de VIBRANT a través de ejemplos de referencia.
Principales métodos:
- Se utilizó Python y Abaqus para simulaciones de elementos finitos.
- Se emplearon algoritmos de paso de tiempo para el análisis en el dominio del tiempo.
- Se investigaron vigas no lineales geométricamente, elementos de contacto por fricción y fricción de Coulomb para no linealidades de amortiguación.
Principales resultados:
- VIBRANT capturó con precisión los comportamientos no lineales en ejemplos de referencia que involucran grandes desplazamientos y fricción.
- La herramienta demostró eficiencia en la reducción del tiempo computacional a través de la paralelización.
- Predijo con éxito el comportamiento en el dominio de la frecuencia a partir de simulaciones en el dominio del tiempo.
Conclusiones:
- VIBRANT es una herramienta validada, precisa y eficiente para analizar problemas de vibración no lineal.
- La capacidad de la herramienta para modelar diversas no linealidades ofrece ventajas significativas para aplicaciones industriales, especialmente en el sector aeroespacial.
- VIBRANT proporciona un enfoque confiable para modelar y analizar respuestas dinámicas en estructuras de ingeniería.
Palabras clave:
Vibración no linealAnálisis de elementos finitosSimulación por computadoraDinámica no linealIngeniería mecánicaVIBRANTMás Videos Relacionados
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