{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/105817"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/105817","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Design tools for linear viscoelastic fluids","abstract":"Engineering design often makes use of conventional materials such as hard, elastic solids and simple, Newtonian fluids. Rheologically-complex materials (non-Newtonian fluids and soft solids) demonstrate useful and novel properties in both engineered and biological systems. Incorporating these materials in rational engineering design stands to vastly enhance the design space and allow for improvements in technology in areas including vibration isolation, 3D printing, soft robotics, energy storage, adhesion, and coatings. To date, most work in the space of materials and design has focused on characterization of novel materials, material selection, material processing optimization, or material processing optimization. Thus making use of materials with novel functionality often occurs through trial and error or kismet of matching a new material to a novel use. To truly utilize rheologically complex materials, we must use a rational design process. In this thesis, we build up the necessary foundations for utilizing a sub-class of rheologically-complex materials – materials that exhibit linear viscoelastic behavior – for design. This work develops the framework necessary to incorporate linear viscoelastic materials into the designer's toolbox. First, we think deeply about ways to describe linear viscoelastic behavior for development of intuition for these materials and for rational design. We make extensive use of the continuous relaxation spectra description of the material response $H(\\tau)$ an important design-appropriate material description to define low-dimensional material descriptions. We use these material descriptions to build cross-property Ashby-style diagrams that incorporate information about the complex-function valued material response in a compact and accessible format. Next we develop the mathematical framework for rational design and computational optimization with linear viscoelastic materials. This framework is applied to multiple vibration isolation design scenarios. In this work, we have built the framework to vastly expand the material design space and allow for improvements in technology in areas including vibration isolation, 3D printing, soft robotics, energy storage, and adhesion.","abstract_html":"Engineering design often makes use of conventional materials such as hard, elastic solids and simple, Newtonian fluids. Rheologically-complex materials (non-Newtonian fluids and soft solids) demonstrate useful and novel properties in both engineered and biological systems. Incorporating these materials in rational engineering design stands to vastly enhance the design space and allow for improvements in technology in areas including vibration isolation, 3D printing, soft robotics, energy storage, adhesion, and coatings. To date, most work in the space of materials and design has focused on characterization of novel materials, material selection, material processing optimization, or material processing optimization. Thus making use of materials with novel functionality often occurs through trial and error or kismet of matching a new material to a novel use. To truly utilize rheologically complex materials, we must use a rational design process. In this thesis, we build up the necessary foundations for utilizing a sub-class of rheologically-complex materials – materials that exhibit linear viscoelastic behavior – for design. This work develops the framework necessary to incorporate linear viscoelastic materials into the designer's toolbox. First, we think deeply about ways to describe linear viscoelastic behavior for development of intuition for these materials and for rational design. We make extensive use of the continuous relaxation spectra description of the material response $H(\\tau)$ an important design-appropriate material description to define low-dimensional material descriptions. We use these material descriptions to build cross-property Ashby-style diagrams that incorporate information about the complex-function valued material response in a compact and accessible format. Next we develop the mathematical framework for rational design and computational optimization with linear viscoelastic materials. This framework is applied to multiple vibration isolation design scenarios. In this work, we have built the framework to vastly expand the material design space and allow for improvements in technology in areas including vibration isolation, 3D printing, soft robotics, energy storage, and adhesion.","abstract_has_math":true,"creators":["Corman, Rebecca E."],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Mechanical Engineering","degree_department":null,"school":null,"contributors":["Ewoldt, Randy H","Allison, James T","Sottos, Nancy R","Nettesheim, Florian"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2019,"date_issued":"2019-11-26T20:49:29Z","date_published":"2019-11-26T20:49:29Z","updated_at":"2026-07-22T22:24:45Z","subjects":["Viscoelasticity, complex fluids, viscoelastic, viscoelastic fluids, design, optimization, materials, materials design, fluid mechanics"],"languages":["en"],"rights":["Copyright 2019 Rebecca Corman"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/2142/105817","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Ewoldt, Randy H","Allison, James T","Sottos, Nancy R","Nettesheim, Florian"]},{"key":"dc:creator","label":"Author","values":["Corman, Rebecca E."]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2019-11-26T20:49:29Z","2021-11-27T10:15:23Z","2019-07-12","2019-08"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Mechanical Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Viscoelasticity, complex fluids, viscoelastic, viscoelastic fluids, design, optimization, materials, materials design, fluid mechanics"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 2019 Rebecca Corman"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/105817"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Engineering design often makes use of conventional materials such as hard, elastic solids and simple, Newtonian fluids. Rheologically-complex materials (non-Newtonian fluids and soft solids) demonstrate useful and novel properties in both engineered and biological systems. Incorporating these materials in rational engineering design stands to vastly enhance the design space and allow for improvements in technology in areas including vibration isolation, 3D printing, soft robotics, energy storage, adhesion, and coatings. To date, most work in the space of materials and design has focused on characterization of novel materials, material selection, material processing optimization, or material processing optimization. Thus making use of materials with novel functionality often occurs through trial and error or kismet of matching a new material to a novel use. To truly utilize rheologically complex materials, we must use a rational design process. In this thesis, we build up the necessary foundations for utilizing a sub-class of rheologically-complex materials – materials that exhibit linear viscoelastic behavior – for design. This work develops the framework necessary to incorporate linear viscoelastic materials into the designer's toolbox. First, we think deeply about ways to describe linear viscoelastic behavior for development of intuition for these materials and for rational design. We make extensive use of the continuous relaxation spectra description of the material response $H(\\tau)$ an important design-appropriate material description to define low-dimensional material descriptions. We use these material descriptions to build cross-property Ashby-style diagrams that incorporate information about the complex-function valued material response in a compact and accessible format. Next we develop the mathematical framework for rational design and computational optimization with linear viscoelastic materials. This framework is applied to multiple vibration isolation design scenarios. In this work, we have built the framework to vastly expand the material design space and allow for improvements in technology in areas including vibration isolation, 3D printing, soft robotics, energy storage, and adhesion.","Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2021-08-01","The student, Rebecca Corman, accepted the attached license on 2019-07-12 at 11:27.","The student, Rebecca Corman, submitted this Dissertation for approval on 2019-07-12 at 11:39.","This Dissertation was approved for publication on 2019-07-12 at 12:55.","DSpace SAF Submission Ingestion Package generated from Vireo submission #14294 on 2019-11-26 at 13:05:30","Made available in DSpace on 2019-11-26T20:49:29Z (GMT). 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Rheologically-complex materials (non-Newtonian fluids and soft solids) demonstrate useful and novel properties in both engineered and biological systems. Incorporating these materials in rational engineering design stands to vastly enhance the design space and allow for improvements in technology in areas including vibration isolation, 3D printing, soft robotics, energy storage, adhesion, and coatings. To date, most work in the space of materials and design has focused on characterization of novel materials, material selection, material processing optimization, or material processing optimization. Thus making use of materials with novel functionality often occurs through trial and error or kismet of matching a new material to a novel use. To truly utilize rheologically complex materials, we must use a rational design process. In this thesis, we build up the necessary foundations for utilizing a sub-class of rheologically-complex materials – materials that exhibit linear viscoelastic behavior – for design. This work develops the framework necessary to incorporate linear viscoelastic materials into the designer's toolbox. First, we think deeply about ways to describe linear viscoelastic behavior for development of intuition for these materials and for rational design. We make extensive use of the continuous relaxation spectra description of the material response $H(\\tau)$ an important design-appropriate material description to define low-dimensional material descriptions. We use these material descriptions to build cross-property Ashby-style diagrams that incorporate information about the complex-function valued material response in a compact and accessible format. Next we develop the mathematical framework for rational design and computational optimization with linear viscoelastic materials. This framework is applied to multiple vibration isolation design scenarios. In this work, we have built the framework to vastly expand the material design space and allow for improvements in technology in areas including vibration isolation, 3D printing, soft robotics, energy storage, and adhesion.","Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2021-08-01","The student, Rebecca Corman, accepted the attached license on 2019-07-12 at 11:27.","The student, Rebecca Corman, submitted this Dissertation for approval on 2019-07-12 at 11:39.","This Dissertation was approved for publication on 2019-07-12 at 12:55.","DSpace SAF Submission Ingestion Package generated from Vireo submission #14294 on 2019-11-26 at 13:05:30","Made available in DSpace on 2019-11-26T20:49:29Z (GMT). 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