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Numerical Modelling and Damage Assessment of Rotary Wing Aircraft Cabin Door Using Continuum Damage Mechanics Model

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Abstract

The prediction of ultimate strength remains the main challenge in the simulation of the mechanical response of composite structures. This paper examines continuum damage model to predict the strength and size effects for deformation and failure response of polymer composite laminates when subjected to complex state of stress. The paper also considers how the overall results of the exercise can be applied in design applications. The continuum damage model is described and the resulting prediction of size effects are compared against the standard benchmark solutions. The stress analysis for strength prediction of rotary wing aircraft cabin door is carried out. The goal of this study is to extend the proposed continuum damage model such that it can be accurately predict the failure around stress concentration regions. The finite element-based continuum damage mechanics model can be applied to the structures and components of arbitrary configurations where analytical solutions could not be developed.

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Authors and Affiliations

  1. Helicopter Division, Hindustan Aeronautics Limited, Bangalore, 56017, India

    Gangadhara Rao T. Boyina

  2. Rotary Wing R&D Center, Hindustan Aeronautics Limited, Bangalore, 560017, India

    Vijaya Kumar Rayavarapu

  3. Department of Mechanical Engineering, College of Engineering, JNTU, Kakinada, Kakinada, 533003, India

    Subba Rao V. V.

Authors
  1. Gangadhara Rao T. Boyina
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  2. Vijaya Kumar Rayavarapu
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  3. Subba Rao V. V.
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Correspondence to Vijaya Kumar Rayavarapu.

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Boyina, G.R.T., Rayavarapu, V.K. & V. V., S.R. Numerical Modelling and Damage Assessment of Rotary Wing Aircraft Cabin Door Using Continuum Damage Mechanics Model. Appl Compos Mater 24, 235–250 (2017). https://doi.org/10.1007/s10443-016-9524-1

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