STM Journals Peer-reviewed research from Consortium e-Learning Network

Journal of Mechatronics and Automation

Evolution of Structural Dynamic Modeling Technique for Airborne Chassis

  1. K. Jagadisan
  2. P. Bangaru Babu

Abstract

To estimate random vibration response of airborne chassis finite element method is used as a tool. For making an appropriate requirement to determine the design requirement of the package for a designer the point of accuracy is very much linked to this prophecy. The modeling practices which are used in FEM are linked to attain preciseness in any considered prediction. Preciseness of a particular FE model is inclined with appropriate consideration of material properties and boundary conditions. Two types of chassis have been modeled in test and software to gain more accurateness in comparison with different modifications. The two main challenges in the present investigation are particularly concentrated. For considering material properties conventional method has been established. By the investigation done on FE model the input rotational stiffness has been given to it. Different mounting arrangements have been formed for two chassis which are investigated to find out rotational stiffness and damping values. The two key factors in the investigation include proper assessment of material properties which will give the correct modeling practice for chassis which is genuine in its steadiness. The design appropriateness of chassis in random vibration analysis will make it simpler for any electronic packaging designer

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