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RISS 인기검색어
- 검색키워드
- 저자 : M. Thanmanaselvi (검색결과 4 건)
- 무료
- 기관 내 무료
- 유료
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Contact analysis of spherical ball and a deformable flat model with the effect of tangent modulus
Sathish Gandhi, V.C.,Ramesh, S.,Kumaravelan, R.,Thanmanaselvi, M. Techno-Press 2012 Structural Engineering and Mechanics, An Int'l Jou Vol.44 No.1
The paper is on contact analysis of a spherical ball with a deformable flat, considering the effect of tangent modulus on the contact parameters of a non-adhesive frictionless elastic-plastic contact. The contact analysis of this model has been carried out using analysis software Ansys and Abaqus. The contact parameters such as area of contact between two consecutive steps, volume of bulged material are evaluated from the formulated equations. The effect of the tangent modulus is considered for determining these parameters. The tangent modulus are accounted between 0.1E and 0.5E of materials E/Y value greater than 500 and less than 1750. Result shows that upto an optimal tangent modulus values the elastic core push up to the free surface in the flat. The simulation is also carried out in Abaqus and result provide evidence for the volume of bulged material in the contact region move up and flow into the free surface of the flat from the contact edge between the ball and flat. The strain energy of the whole model is varied between 20 to 40 percentage of the stipulated time for analysis.
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Analysis of multi leaf spring based on contact mechanics - a novel approach
Kumaravelan, R.,Ramesh, S.,Gandhi, V.C. Sathish,Agu, M. Joemax,Thanmanaselvi, M. Techno-Press 2013 Structural Engineering and Mechanics, An Int'l Jou Vol.47 No.3
A leaf spring, especially the longitudinal type is liable and persistent element in automotive suspension system. In the present scenario the composite materials are widely used in the automobile industries has shown a great interest in the replacement of steel spring due to high strength by weight ratio. Previous investigations focused on stresses and displacement analysis of single leaf spring for different materials. The present work aims to design and analysis of leaf spring for two different cases by considering the Young's modulus to yield strength ratio. In the first case the analysis deals with the design and analysis of a single cantilever solid triangle beam which is an equivalent beam of a spring with three leaves having uniform strength. In the second case a 3-beams of rectangular cross section has been considered which is equivalent to a spring with three leaves. The analysis was carried out based on contact mechanics approach. The results were compared, that the fiberglass composite leaf spring is suitable for high loading capacity, reliability and efficiency.
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Contact analysis of spherical ball and a deformable flat model with the effect of tangent modulus
V.C. Sathish Gandhi,S. Ramesh,R. Kumaravelan,M. Thanmanaselvi 국제구조공학회 2012 Structural Engineering and Mechanics, An Int'l Jou Vol.44 No.1
The paper is on contact analysis of a spherical ball with a deformable flat, considering the effect of tangent modulus on the contact parameters of a non-adhesive frictionless elastic-plastic contact. The contact analysis of this model has been carried out using analysis software Ansys and Abaqus. The contact parameters such as area of contact between two consecutive steps, volume of bulged material are evaluated from the formulated equations. The effect of the tangent modulus is considered for determining these parameters. The tangent modulus are accounted between 0.1E and 0.5E of materials E/Y value greater than 500 and less than 1750. Result shows that upto an optimal tangent modulus values the elastic core push up to the free surface in the flat. The simulation is also carried out in Abaqus and result provide evidence for the volume of bulged material in the contact region move up and flow into the free surface of the flat from the contact edge between the ball and flat. The strain energy of the whole model is varied between 20 to 40 percentage of the stipulated time for analysis.
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Analysis of multi leaf spring based on contact mechanics – a novel approach
R. Kumaravelan,S. Ramesh,V.C. Sathish Gandhi,M. Joemax Agu,M. Thanmanaselvi 국제구조공학회 2013 Structural Engineering and Mechanics, An Int'l Jou Vol.47 No.3
A leaf spring, especially the longitudinal type is liable and persistent element in automotive suspension system. In the present scenario the composite materials are widely used in the automobile industries has shown a great interest in the replacement of steel spring due to high strength by weight ratio. Previous investigations focused on stresses and displacement analysis of single leaf spring for different materials. The present work aims to design and analysis of leaf spring for two different cases by considering the Young's modulus to yield strength ratio. In the first case the analysis deals with the design and analysis of a single cantilever solid triangle beam which is an equivalent beam of a spring with three leaves having uniform strength. In the second case a 3- beams of rectangular cross section has been considered which is equivalent to a spring with three leaves. The analysis was carried out based on contact mechanics approach. The results were compared, that the fiberglass composite leaf spring is suitable for high loading capacity, reliability and efficiency.
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