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Finite element analysis for 3-D self-contact problems of C.v.joint rubber boots
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 Title & Authors
Finite element analysis for 3-D self-contact problems of C.v.joint rubber boots
Lee, Hyeong-Uk; Kim, Se-Ho; Lee, Chung-Ho; Huh, Hun; Lee, Jong-Hwa; Oh, Seung-Tak;
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A finite element code is developed for 3-D self-contact problems, using continuum elements with a SRI(Selective Reduced Integration) scheme to prevent locking phenomenon by the incompressibility of rubber. Contact treatment is carried out in two ways : using the displacement constraints in case of rigid contact ; and imposing the same contact forces on two contact boundaries in case of self-contact. The finite element code developed is applied to the deformation analysis of C.V.joint boots which maintain lubrication conditions and protect the C.V.joint assembly from impact and dust. The boot accompanies large rotation depending on the rotation of the wheel axis and leading to the self-contact phenomena of the boot bellows. Since this contact phenomenon causes wear of the product and has great influence on the endurance life of the product, it is indispensable to carry out stress analysis of the rubber boots. In case of self-contact, various methods for determining contact forces have been suggested with an appropriate contact formulation. Especially, the types of penetration in self-contact are modularized to accelerate conputation with a contact algorithm.
Finite Element Method;Constant Velocity Joint Boot;Self-Contact;Contact Force;
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