Mechanical response of beams of a nonlinear viscoelastic material
dc.contributor.author | Wineman, Alan S. | en_US |
dc.contributor.author | Kolberg, Raymond | en_US |
dc.date.accessioned | 2006-04-28T16:41:02Z | |
dc.date.available | 2006-04-28T16:41:02Z | |
dc.date.issued | 1995-02 | en_US |
dc.identifier.citation | Wineman, Alan; Kolberg, Raymond (1995)."Mechanical response of beams of a nonlinear viscoelastic material." Polymer Engineering and Science 35(4): 345-350. <http://hdl.handle.net/2027.42/38114> | en_US |
dc.identifier.issn | 0032-3888 | en_US |
dc.identifier.issn | 1548-2634 | en_US |
dc.identifier.uri | https://hdl.handle.net/2027.42/38114 | |
dc.description.abstract | A constitutive equation for nonlinear viscoelasticity is used to model the mechanical response of solid polymers such as polycarbonate. The nonlinearity arises from a reduced time which causes stress relaxation to accelerate with increasing strain. The constitutive equation can account for the occurrence of yield in a homogeneous uniaxial constant strain rate test. The constitutive equation is used in a study of the pure bending of beams. It is assumed that the classical assumption of beam theory is valid, i.e., plane sections remains plane. At each fixed time, the strains vary linearly through the depth of the beam. At a fixed material element the strain varies in time with the curvature. This spatial variation of the strains combined with the nonlinear dependence of the reduced time on strain leads to a significantly different response from that given by traditional beam theory. The implications of this for the bending moment history, stress distributions, and other factors that relate to beam design are discussed. | en_US |
dc.format.extent | 473348 bytes | |
dc.format.extent | 3118 bytes | |
dc.format.mimetype | application/pdf | |
dc.format.mimetype | text/plain | |
dc.language.iso | en_US | |
dc.publisher | Society of Plastics Engineers | en_US |
dc.publisher | Wiley Periodiocals, Inc. | en_US |
dc.subject.other | Chemistry | en_US |
dc.subject.other | Chemical Engineering | en_US |
dc.title | Mechanical response of beams of a nonlinear viscoelastic material | en_US |
dc.type | Article | en_US |
dc.rights.robots | IndexNoFollow | en_US |
dc.subject.hlbsecondlevel | Materials Science and Engineering | en_US |
dc.subject.hlbtoplevel | Engineering | en_US |
dc.description.peerreviewed | Peer Reviewed | en_US |
dc.contributor.affiliationum | Department of Mechanical Engineering and Applied Mechanics, University of Michigan Ann Arbor, Michigan 48109 | en_US |
dc.contributor.affiliationum | Department of Mechanical Engineering and Applied Mechanics, University of Michigan Ann Arbor, Michigan 48109 ; General Electric Plastics. | en_US |
dc.description.bitstreamurl | http://deepblue.lib.umich.edu/bitstream/2027.42/38114/1/760350408_ftp.pdf | en_US |
dc.identifier.doi | http://dx.doi.org/10.1002/pen.760350408 | en_US |
dc.identifier.source | Polymer Engineering and Science | en_US |
dc.owningcollname | Interdisciplinary and Peer-Reviewed |
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