On the crack face boundary conditions in electromechanical fracture and an experimental protocol for determining energy release rates

dc.contributor.advisorLandis, Chad M.en_US
dc.creatorLi, Wenyuanen_US
dc.date.accessioned2009-06-03T21:07:03Zen_US
dc.date.available2009-06-03T21:07:03Zen_US
dc.date.issued2007en_US
dc.description.abstractAn experimental protocol for measuring the energy release rate in a non-linear reversible electromechanical body is proposed and summarized. The potential results are capable of shedding light on the true physical nature of the conditions prevailing at the crack surface and in the space within the crack. The experimental procedure is simulated numerically for a linear piezoelectric specimen in a four point bending configuration subjected to electrical loading perpendicular to the crack. Two efficient finite element formulations are presented for nonlinear crack face boundary conditions. Methods for the numerical determination of the crack tip energy release rate and the simulation of the experimental method for obtaining the total energy release rate are developed. It is shown that the crack tip energy release rate calculated under energetically consistent boundary conditions is equal to the total energy release, when the exact boundary conditions are used, there is no such agreement.en_US
dc.format.extent49 p.en_US
dc.format.mimetypeapplication/pdfen_US
dc.identifier.callnoTHESIS M.E. 2007 LIen_US
dc.identifier.citationLi, Wenyuan. "On the crack face boundary conditions in electromechanical fracture and an experimental protocol for determining energy release rates." (2007) Master’s Thesis, Rice University. <a href="https://hdl.handle.net/1911/20519">https://hdl.handle.net/1911/20519</a>.en_US
dc.identifier.urihttps://hdl.handle.net/1911/20519en_US
dc.language.isoengen_US
dc.rightsCopyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.en_US
dc.subjectMechanical engineeringen_US
dc.titleOn the crack face boundary conditions in electromechanical fracture and an experimental protocol for determining energy release ratesen_US
dc.typeThesisen_US
dc.type.materialTexten_US
thesis.degree.departmentMechanical Engineeringen_US
thesis.degree.disciplineEngineeringen_US
thesis.degree.grantorRice Universityen_US
thesis.degree.levelMastersen_US
thesis.degree.nameMaster of Scienceen_US
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