On linear preservers of two-sided gut-majorization on $<b> M</b>_{n,m}$

Manesh, Asma Ilkhanizadeh; Mohammadhasani, Ahmad

doi:10.21136/cmj.2018.0648-16

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2023

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“…The airless wheel design presented in this work consists of the cyclic repetition of a lattice pattern inspired by the nonpneumatic tire proposed by Manesh et al from the Resilient Technologies LLC, University of Wisconsin-Madison [35]. The geometry is designed following a regular pattern of fixed angular amplitude (36 °), extruded in the axial direction of the same wheel.…”

Section: Design Prototypementioning

confidence: 99%

Time stability of the dynamic behaviour of a 3D-printed airless wheel by stereolithography

Annessi,

Quattrocchi,

Pasinetti

et al. 2023

Acta IMEKO

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In this paper, the dynamic behavior of an airless wheel made by additive manufacturing is investigated. A lattice geometry is chosen as the cyclic pattern from which the wheel is built. Initially, a linear numerical model is used to preliminarily assess resonance frequency and mode shapes of the wheel. Afterwards, specimens were tested twice, in August 2020 and after six months, highlighting a relevant frequency and damping shift in the vibrational response. To better understand the reason behind the change over time in the wheel dynamic behavior, dedicated structural dynamics tests at varying temperature and humidity set points were performed in an environmental chamber, consisting in measuring the wheel vibrational response when subjected to temperature and humidity variation.

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Section: Design Prototypementioning

confidence: 99%