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X-WR-CALNAME:Centre for the Mathematics of Planet Earth
X-ORIGINAL-URL:https://research.reading.ac.uk/cmpe
X-WR-CALDESC:Events for Centre for the Mathematics of Planet Earth
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DTSTART:20210328T010000
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DTSTART;TZID=Europe/London:20210209T131500
DTEND;TZID=Europe/London:20210209T131500
DTSTAMP:20260614T063131
CREATED:20210208T150921Z
LAST-MODIFIED:20210208T150921Z
UID:436-1612876500-1612876500@research.reading.ac.uk
SUMMARY:Post-grazing dynamics of a vibro-impacting energy generator
DESCRIPTION:Larissa Serdukova\, PDRA in Mathematics of Planet Earth – Project TiPES\, will be presenting ‘Post-grazing dynamics of a vibro-impacting energy generator’ as part of the University of Bath’s AIMS seminar series on Tuesday 9th February at 1.15pm. \nZoom Meeting\nhttps://bath-ac-uk.zoom.us/j/98901674720?pwd=VXFac3Vqc1o2SU85WG9Gc29EQ\nMeeting ID: 989 0167 4720\nPasscode: 641774 \nThe motion of a forced vibro-impacting inclined energy harvester is investigated in parameter regimes with asymmetry in the number of impacts on the bottom and top of the device. This motion occurs beyond a grazing bifurcation\, at which alternating top and bottom impacts are supplemented by a zero velocity impact with the bottom of the device. For periodic forcing\, we obtain semi-analytical expressions for the asymmetric periodic motion with a ratio of 2:1 for the impacts on the device bottom and top\, respectively. These expressions are derived via a set of nonlinear maps between different pairs of impacts\, combined with impact conditions that provide jump discontinuities in the velocity. Bifurcation diagrams for the analytical solutions are complemented by a linear stability analysis around the 2:1 asymmetric periodic solutions and are validated numerically. For smaller incline angles\, a second grazing bifurcation is numerically detected\, leading to a 3:1 asymmetry. For larger incline angles\, period doubling bifurcations precede grazing bifurcations. The converted electrical energy per impact is reduced for the asymmetric motions\, and therefore less desirable under this metric.
URL:https://research.reading.ac.uk/cmpe/event/post-grazing-dynamics-of-a-vibro-impacting-energy-generator/
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DTSTART;TZID=Europe/London:20210210T100000
DTEND;TZID=Europe/London:20210210T100000
DTSTAMP:20260614T063131
CREATED:20210208T150125Z
LAST-MODIFIED:20210208T150125Z
UID:431-1612951200-1612951200@research.reading.ac.uk
SUMMARY:Heat Waves and Cold Spells and Their Response to Climate Change
DESCRIPTION:Professor Valerio Lucarini will be presenting ‘Heat Waves and Cold Spells and Their Response to Climate Change’ at the University of Heidelberg on Wednesday\, Feb 10 2021 at 11am CET / 10am GMT. \nhttps://zoom.us/j/98830108179 \nMeeting ID: 988 3010 8179\nPasscode: 126208
URL:https://research.reading.ac.uk/cmpe/event/heat-waves-and-cold-spells-and-their-response-to-climate-change/
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DTSTART;TZID=Europe/London:20210212T203000
DTEND;TZID=Europe/London:20210212T203000
DTSTAMP:20260614T063131
CREATED:20210120T181833Z
LAST-MODIFIED:20210208T151951Z
UID:400-1613161800-1613161800@research.reading.ac.uk
SUMMARY:Dynamical Landscape and Multistability of the Earth's Climate
DESCRIPTION:Professor Valerio Lucarini presents ‘Dynamical Landscape and Multistability of the Earth’s Climate’ as part of the McGill Physical Society Colloquium on 12 Feb 2021\, 3.30pm EST / 8.30pm GMT. \nhttps://www.physics.mcgill.ca/seminars/PSC_lucarini.html
URL:https://research.reading.ac.uk/cmpe/event/seminar-dynamical-landscape-and-multistability-of-the-earths-climate/
LOCATION:Online
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