{"data":{"id":"10.4121/a7e1a705-58bf-48d1-a88e-d3e500a3c461","type":"dois","attributes":{"doi":"10.4121/a7e1a705-58bf-48d1-a88e-d3e500a3c461","prefix":"10.4121","suffix":"a7e1a705-58bf-48d1-a88e-d3e500a3c461","identifiers":[],"alternateIdentifiers":[],"creators":[{"name":"Davood Farhadi","nameType":"Personal","givenName":"Davood","familyName":"Farhadi","nameIdentifiers":[{"nameIdentifier":"0000-0002-1685-1016","nameIdentifierScheme":"https://orcid.org/"}],"affiliation":[]},{"name":"Malte ten Wolde","nameType":"Personal","givenName":"Malte","familyName":"ten Wolde","nameIdentifiers":[{"nameIdentifier":"0000-0001-8026-0483","nameIdentifierScheme":"https://orcid.org/"}],"affiliation":[]},{"name":"Daan Roebroek","givenName":"Daan","familyName":"Roebroek","affiliation":[],"nameIdentifiers":[]},{"name":"Luca Lagemann","givenName":"Luca","familyName":"Lagemann","affiliation":[],"nameIdentifiers":[]}],"titles":[{"title":"Data underlying the Thesis Chapter: \"Adaptive mechanical metamaterials with state-dependent mechanics\"."}],"publisher":"4TU.ResearchData","container":{},"publicationYear":2026,"subjects":[{"subject":"Engineering","subjectScheme":"Australian and New Zealand Standard Research Classification (ANZSRC), 2008","classificationCode":"09"},{"subject":"Mechanical Engineering","subjectScheme":"Australian and New Zealand Standard Research Classification (ANZSRC), 2008","classificationCode":"0913"},{"subject":"Mechanical metamaterials"},{"subject":"Adaptive metamaterials"},{"subject":"State-dependent mechanics"},{"subject":"Reprogrammable materials"},{"subject":"Bistability"},{"subject":"Multistability"},{"subject":"Poisson's ratio"},{"subject":"Variable stiffness"},{"subject":"Compliant mechanisms"},{"subject":"Snap-through"},{"subject":"Time: 2024-2026"}],"contributors":[{"name":"TU Delft, Faculty of Mechanical Engineering, Department of Precision and Microsystems Engineering, Machine Matter Group, Delft, The Netherlands.","nameType":"Organizational","contributorType":"Other","affiliation":[],"nameIdentifiers":[]}],"dates":[{"date":"2026-10-30","dateType":"Issued"}],"language":"en","types":{"ris":"DATA","bibtex":"misc","citeproc":"dataset","schemaOrg":"Dataset","resourceType":"Dataset","resourceTypeGeneral":"Dataset"},"relatedIdentifiers":[{"relationType":"IsVersionOf","relatedIdentifier":"10.4121/a7e1a705-58bf-48d1-a88e-d3e500a3c461.v1","relatedIdentifierType":"DOI"}],"relatedItems":[],"sizes":[],"formats":["ZIP (.zip), text (.txt), matlab code (.m), csv (.csv), videos ( .mp4), cad-files (.stl), prusa slicer (.stl),"],"version":"1","rightsList":[{"rights":"Creative Commons Attribution 4.0 International","rightsUri":"https://creativecommons.org/licenses/by/4.0/legalcode","schemeUri":"https://spdx.org/licenses/","rightsIdentifier":"cc-by-4.0","rightsIdentifierScheme":"SPDX"}],"descriptions":[{"description":"This dataset supports the research presented in \"Dual Property Mechanical Metamaterial\", which investigates adaptive mechanical metamaterials exhibiting reversible, state-dependent mechanical properties under a single global input.\u003cbr\u003eThe study introduces an elastic metamaterial unit cell in which internal state selection, deformation pathways, and macroscopic mechanical response are intrinsically coupled. The design combines a six-bar linkage mechanism, an internal rhombus structure, a bistable state element, and a nonlinear bistable spring. Under cyclic axial compression, the unit cell reversibly switches between two deformation modes characterized by outward and inward lateral deformation, corresponding to positive- and negative-Poisson-like behavior, and distinct effective stiffnesses.\u003cbr\u003eThe research combines analytical modeling of the mechanical energy landscape, nonlinear finite element analysis, prototype fabrication, and experimental characterization. Silicone prototypes were fabricated using custom molds and subjected to quasi-static, displacement-controlled compression experiments. Force-displacement responses were measured using a universal testing machine, while axial and lateral deformations were recorded using optical marker tracking and processed using MATLAB.\u003cbr\u003eThe experimental and numerical investigations characterize state-dependent switching thresholds, deformation modes, force-strain responses, and stiffness variations. Additional investigations examine structural reinforcement that selectively enhances one deformation mode without changing the underlying switching mechanism.\u003cbr\u003eThese data support the interpretation and reproduction of the state-dependent behavior and provide a mechanical design methodology for adaptive and reprogrammable metamaterials.","descriptionType":"Abstract"}],"geoLocations":[],"fundingReferences":[{"awardTitle":"TU 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