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Requirements determination of a nove...

Thyagaraja, Niranjan B.

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Requirements determination of a novel non-pneumatic wheel shear beam for low rolling resistance.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Requirements determination of a novel non-pneumatic wheel shear beam for low rolling resistance./
作者:	Thyagaraja, Niranjan B.
面頁冊數:	106 p.
附註:	Source: Masters Abstracts International, Volume: 49-03, page: 2026.
Contained By:	Masters Abstracts International49-03.
標題:	Design and Decorative Arts. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1488456
ISBN:	9781124449272

Requirements determination of a novel non-pneumatic wheel shear beam for low rolling resistance.
Thyagaraja, Niranjan B.

Requirements determination of a novel non-pneumatic wheel shear beam for low rolling resistance. - 106 p.

Source: Masters Abstracts International, Volume: 49-03, page: 2026.

Thesis (M.S.)--Clemson University, 2011.

The hysteretic loss associated with cyclic shear in the elastomeric shear layer is one of the prevailing concerns for the development of a low rolling loss non-pneumatic wheel. We propose to eliminate the hysteretic losses associated with the elastomeric shear layer and thus, reduce the corresponding rolling resistance by using linear elastic materials which are inherently non-hysteretic. Since the shear modulus of a viscoelastic shear layer is less than that of an elastic material by several orders of magnitude, the challenge to achieve a low effective shear modulus shear layer with linear elastic materials directs towards the development of a new class of materials known as metamaterials. These are engineered materials with exceptional qualities usually not encountered in nature and there is a need to determine their properties for any given application.

ISBN: 9781124449272Subjects--Topical Terms:

1024640
Design and Decorative Arts.

Requirements determination of a novel non-pneumatic wheel shear beam for low rolling resistance.
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245 1 0 $a Requirements determination of a novel non-pneumatic wheel shear beam for low rolling resistance.
300 $a 106 p.
500 $a Source: Masters Abstracts International, Volume: 49-03, page: 2026.
500 $a Adviser: Georges M. Fadel.
502 $a Thesis (M.S.)--Clemson University, 2011.
520 $a The hysteretic loss associated with cyclic shear in the elastomeric shear layer is one of the prevailing concerns for the development of a low rolling loss non-pneumatic wheel. We propose to eliminate the hysteretic losses associated with the elastomeric shear layer and thus, reduce the corresponding rolling resistance by using linear elastic materials which are inherently non-hysteretic. Since the shear modulus of a viscoelastic shear layer is less than that of an elastic material by several orders of magnitude, the challenge to achieve a low effective shear modulus shear layer with linear elastic materials directs towards the development of a new class of materials known as metamaterials. These are engineered materials with exceptional qualities usually not encountered in nature and there is a need to determine their properties for any given application.
520 $a This thesis presents work on the material and geometric requirements determination of a low rolling loss non-pneumatic wheel shear beam (shear beam is an integrated structure composed of a shear layer and inner and outer inextensible membranes) through a systematic optimization approach. Six different configurations of the non-pneumatic wheel are explored. Each design configuration is a unique combination of the type of linear elastic material model used for the shear layer and the material used for the outer and inner inextensible membranes. In each case, the choice of an appropriate geometric and material property of the shear beam is treated as a single-objective constrained optimization problem. The goal is to target a sufficiently large strain to guarantee enough deformation in the shear layer while constraints on the average and maximum contact pressure are satisfied. The study identifies the driving design variables from a statistical analysis and proposes a relation between them to meet the functional requirement of a low rolling-loss non-pneumatic wheel. The resulting constitutive metamaterial properties of the shear layer can be used as prescribed constitutive properties to tailor the periodic structure of a material by means of the topology optimization.
590 $a School code: 0050.
650 4 $a Design and Decorative Arts. $3 1024640
650 4 $a Engineering, Mechanical. $3 783786
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710 2 $a Clemson University. $b Mechanical Engineering. $3 1023734
773 0 $t Masters Abstracts International $g 49-03.
790 1 0 $a Fadel, Georges M., $e advisor
790 1 0 $a Thompson, Lonny L. $e committee member
790 1 0 $a Li, Gang $e committee member
790 $a 0050
791 $a M.S.
792 $a 2011
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1488456