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DTSTART;TZID=America/New_York:20200413T120000
DTEND;TZID=America/New_York:20200413T130000
DTSTAMP:20260408T011045
CREATED:20200109T174123Z
LAST-MODIFIED:20200109T174123Z
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SUMMARY:PSOC Seminar Cancelled : Alexandra Zidovska\, PhD
DESCRIPTION:
URL:https://seasevents.nmsdev7.com/event/psoc-seminar-alexandra-zidovska-phd/
LOCATION:Room 337\, Towne Building\, 220 South 33rd Street\, Philadelphia\, PA\, 19104\, United States
ORGANIZER;CN="PSOC":MAILTO:manu@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20200414T103000
DTEND;TZID=America/New_York:20200414T120000
DTSTAMP:20260408T011045
CREATED:20200305T150550Z
LAST-MODIFIED:20200305T150550Z
UID:10006426-1586860200-1586865600@seasevents.nmsdev7.com
SUMMARY:CANCELLED: MEAM Seminar: "Modeling the Behavior of Shape Memory Alloy Structures"
DESCRIPTION:I will present recent work on the modeling of the structural response of shape memory alloy tubes\, bars\, and beams. We have developed a new constitutive model that captures pseudoelastic transformation induced recoverable deformation in SMAs including the strong asymmetries in the tensile and compressive responses. Instead of introducing multiple conditions for forward phase transformation\, reverse phase transformation\, and martensite reorientation\, the model is based on a J2-type nonlinear kinematic hardening framework with a single transformation surface and the back stress represented through a weighted mix of two potential functions that are calibrated to the tensile and compressive stress-strain responses of the material. The constitutive model has been used to simulate numerically the interaction of these complex material behaviors with structural nonlinear behavior observed in experiments. Problems analyzed include the buckling and recovery of NiTi tubes under axial compression\, the propagation of a well defined deformation front in uniaxial tension\, and the reversible propagation of curvature localization in NiTi tubes under bending. The numerical simulations reproduce the structural behavior both qualitatively and quantitatively demonstrating the fidelity of the constitutive modeling framework developed. After illustrating the success of the isothermal model\, I will present some recent work on modeling non-isothermal behavior within the same constitutive framework.
URL:https://seasevents.nmsdev7.com/event/meam-seminar-modeling-the-behavior-of-shape-memory-alloy-structures/
LOCATION:Wu and Chen Auditorium (Room 101)\, Levine Hall\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="Mechanical Engineering and Applied Mechanics":MAILTO:meam@seas.upenn.edu
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=America/New_York:20200415T150000
DTEND;TZID=America/New_York:20200415T170000
DTSTAMP:20260408T011045
CREATED:20200408T125947Z
LAST-MODIFIED:20200408T125947Z
UID:10006429-1586962800-1586970000@seasevents.nmsdev7.com
SUMMARY:BE Thesis Defense: "Development and application of computational tools for unraveling the structure of the 3D genome"
DESCRIPTION:Thomas Gilgenast’s thesis defense \nDate and Time: Wednesday 4/15\, 3:00pm EST \nTitle: Development and application of computational tools for unraveling\nthe structure of the 3D genome \nAdvisor: Dr. Jennifer Cremins \nThomas’ defense will take place virtually via Zoom. Please contact\njcremins@seas.upenn.edu for the zoom link and password.
URL:https://seasevents.nmsdev7.com/event/be-thesis-defense-development-and-application-of-computational-tools-for-unraveling-the-structure-of-the-3d-genome/
LOCATION:PA
CATEGORIES:Student,Dissertation or Thesis Defense
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