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مقاله Finite Element Formulation for Viscoelastic Contact Problems with Friction based on the Generalized Maxwell Model فایل ورد (word) دارای 10 صفحه می باشد و دارای تنظیمات در microsoft word می باشد و آماده پرینت یا چاپ است

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بخشی از متن مقاله Finite Element Formulation for Viscoelastic Contact Problems with Friction based on the Generalized Maxwell Model فایل ورد (word) :

سال انتشار: 1387

محل انتشار: شانزدهمین کنفرانس سالانه مهندسی مکانیک

تعداد صفحات: 10

نویسنده(ها):

Ashrafi – Department of Mechanical Engineering of Agricultural Machines, Shiraz University, Shiraz, Iran
Kasraei – Department of Mechanical Engineering of Agricultural Machines, Shiraz University, Shiraz, Iran
Farid – Department of Mechanical Engineering, Shiraz University, Shiraz, Iran

چکیده:

Generally, contact of deformable bodies is a nonlinear problem. Viscoelastic materials have a time-dependent response, since both viscous and elastic characteristics depend on time. When at least one of the contacting bodies is made of a viscoelastic material, the contact problems become more difficult, and a nonlinear time-dependent contact problem is obtained. Objective of this paper is to develop a general finite element formulation associated with an incremental relaxation procedure is established for analysis of frictional contact problems in viscoelastic solids. A generalized Maxwell model is used to model the viscoelastic constitutive equations of which the relaxation function is represented by sum of a series of decaying exponential functions of time. The contact behaviors are accurately performed through an augmented Lagrangian method.

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