scholarly journals Diseño y Simulación Mecánica de un Actuador Hidráulico Rotativo Sumergible Para Aplicación en Hidroterapia/Design and Mechanical Simulation of a Submersible Rotary Hydraulic Actuator for Hydrotherapy Application

2020 ◽  
Author(s):  
M. Pérez Bayas ◽  
S. Coba ◽  
E. Pozo ◽  
M. Ordoñez

El presente trabajo demuestra el proceso en la investigación inicial para el desarrollo de un actuador giratorio hidráulico para fines terapéuticos. El dispositivo se basa en la necesidad de un aparato motor aplicable a la rehabilitación de lesiones de rodilla, con la capacidad de ser usado en la hidroterapia, para lo cual se realiza una revisión bibliográfica y se define el comportamiento del actuador en función a los fenómenos de presión y flujo, definiendo así las funciones para el par y la velocidad del actuador. En una primera etapa, se presenta un modelo simplificado del actuador, para luego simular el comportamiento mecánico de los componentes con la ayuda de un software de análisis de elementos finitos. Concluyendo con la validación de los elementos principales del actuador, llamados eje y aleta, sometidos a los parámetros delimitados para la aplicación, dejando la base de un modelo del mecanismo útil para el cálculo de la dinámica del sistema como siguiente paso de la investigación. The present work demonstrates the process in the research and development of a hydraulic rotary actuator for therapeutic purposes. The device is based on the need for a motor apparatus applicable to the rehabilitation of knee injuries, with the ability to be used in hydrotherapy, for which a literature review is performed and the behavior of the actuator is defined depending on the pressure and flow phenomena, thus defining the functions for the torque and speed of the actuator. In the first stage, a simplified model of the actuator is presented, to proceed to simulate the mechanical behavior of the components with the help of finite element analysis software. Concluding with the validation of the main elements of the actuator, called axis and fin, subject to the parameters defined for the application, leaving the basis of a model of the mechanism useful for calculating the dynamics of the system as the next step of the investigation. Palabras claves: Actuador rotatorio, Simulación, Diseño, Mecánica hidráulica. Keywords: Rotary actuator, Simulation, Design, Hydraulic Mechanics.

2012 ◽  
Vol 226-228 ◽  
pp. 807-811
Author(s):  
Hou Yao Zhu ◽  
Chun Liang Zhang ◽  
Wu Xin Wang

The refrigerator door cover deformation or cracking is a major flaw in the BCD268 refrigerator. In this paper we create a simplified model of the refrigerator door. Based on the standard modules of ABAQUS finite element analysis software, this paper analyzed the deformation mechanism of the refrigerator door, and determined the parts of the deformation. Aiming at the deformation and cracking, the numerical simulation of BCD 268 door cover was conducted, and two kinds of different options to strengthen the ribs were proposed, then the two programs were carried out through finite element analysis, and prototypes were fabricated high and low temperature impact test for validation. Optimal structure scheme was verified by contrast. The designed lower-door covers were produced in small scale, and it proved to be consistent with the numerical results of finite element.


Author(s):  
Robert X. Wang ◽  
Graham M. Chapman

Abstract This paper reports on the application of Electronic Speckle Pattern Interferometry (ESPI) technique in vibration measurement of turbine blading. Using the time-averaged mode of ESPI, the first six modes of a turbocharger blade with airfoil profile were identified. The effect of the complicated profile of the blade was established by studying simplified model blades. Coupled modes were identified and successfully separated. Experimental results are compared with those obtained using finite element analysis.


2013 ◽  
Vol 313-314 ◽  
pp. 1038-1041
Author(s):  
Shou Jun Wang ◽  
Xing Xiong ◽  
Chao Li

According to uncertainty of the design parameters for large span truss of installing wave-maker, in order to avoid the waste of materials,the truss is analyzed based on the finite element analysis software ANSYS to find out its weaknesses and various parts of the deformation. On the premise of ensuring the intensity and stiffness, the weight of the truss is reduced by adjusting its sizes and selecting different profiles, so as to achieve the optimization of the truss of installing wave-maker.


2011 ◽  
Vol 287-290 ◽  
pp. 603-607
Author(s):  
Chun Lin Xia ◽  
Yang Fang Wu ◽  
Qian Qian Lu

Using domestic MFSP membrane as a medium of energy conversion, a kind of MFSP actuator was designed. The dedicated test equipment was constructed for experimental research, and the experimental results were given. The strip and circular MSFP membrane were analyzed qualitatively to obtain the deformation characteristics of membrane by finite element analysis software.


2012 ◽  
Vol 538-541 ◽  
pp. 2681-2684
Author(s):  
Zhi Cheng Huang

Took a type of ceramics for daily use vertical type high pressure grouting machine as the object of study, study the stress and strain of its upper and lower mould plates. Established their 3D model by CAD software Pro-E, and then import them into finite element analysis software to analysis the value and distribution of the stress and strain. The analysis results can provide some reference for design, and have some engineering and practical value.


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