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Civil Engineering Infrastructures Journal، جلد ۴۷، شماره ۱، صفحات ۱۲۵-۱۳۸
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| عنوان فارسی |
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| چکیده فارسی مقاله |
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| کلیدواژه‌های فارسی مقاله |
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| عنوان انگلیسی |
Rocking Rotation of a Rigid Disk Embedded in a Transversely Isotropic Half-Space |
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| چکیده انگلیسی مقاله |
The asymmetric problem of rocking rotation of a circular rigid disk embedded in a finite depth of a transversely isotropic half-space is analytically addressed. The rigid disk is assumed to be in frictionless contact with the elastic half-space. By virtue of appropriate Green's functions, the mixed boundary value problem is written as a dual integral equation. Employing further mathematical techniques, the integral equation is reduced to a well-known Fredholm integral equation of the second kind. The results related to the contact stress distribution across the disk region and the equivalent rocking stiffness of the system are expressed in terms of the solution of the obtained Fredholm integral equation. When the rigid disk is located on the surface or at the remote boundary, the exact closed-form solutions are presented. For verification purposes, the limiting case of an isotropic half-space is considered and the results are verified with those available in the literature. The jump behavior in the results at the edge of the rigid disk for the case of an infinitesimal embedment is highlighted analytically for the first time. Selected numerical results are depicted for the contact stress distribution across the disk region, rocking stiffness of the system, normal stress, and displacement components along the radial axis. Moreover, effects of anisotropy on the rocking stiffness factor are discussed in detail. |
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| کلیدواژه‌های انگلیسی مقاله |
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| نویسندگان مقاله |
سید فرزاد احمدی | seyed farzad
department of civil engineering, school of science and engineering, sharif university of technology, international campus, kish island, p.o. box 79417-76655, kish, iran
سازمان اصلی تایید شده: دانشگاه صنعتی شریف (Sharif university of technology)
مرتضی اسکندری |
department of civil engineering, school of science and engineering, sharif university of technology, international campus, kish island, p.o. box 79417-76655, kish, iran
سازمان اصلی تایید شده: دانشگاه صنعتی شریف (Sharif university of technology)
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| نشانی اینترنتی |
http://ceij.ut.ac.ir/article_40875_f30c6b2c0c0543cdf1390eebcb0d0a84.pdf |
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| زبان مقاله منتشر شده |
en |
| موضوعات مقاله منتشر شده |
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