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Computational Models for Predicting Shoe Friction and Wear

Mirhassani Moghaddam, Seyed Reza (2018) Computational Models for Predicting Shoe Friction and Wear. Doctoral Dissertation, University of Pittsburgh. (Unpublished)

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[img] Video (MP4) (Figure 6-5. Video demonstrating wear progression in shoes (Click to open). (S1: Top left, S2: Top right, S3: Middle center, S4: Bottom left, S5: Bottom right.))
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Slips and falls are a serious occupational and health problem. Insufficient friction between a shoe and flooring, quantified by the coefficient of friction (COF), increases the likelihood of slips and falls. Moreover, shoe’s slip-resistant properties change over its lifetime due to wear. This dissertation applies physics-based computational finite element modeling techniques to predict shoe-floor-contaminant friction. Computational models that simulate COF due to hysteresis are developed using multiscale methods. These models are used to assess the effects of shoe design factors and biomechanical parameters of human gait on the predicted COF. To address a gap in the literature regarding models that simulate shoe wear progression, this dissertation develops and validates an innovative finite element modeling process utilizing Archard’s law that predicts shoe wear. Models introduced in this dissertation not only increase the understanding of slips and falls but also offer a valuable tool that can be used in designing slip-resistant and durable shoes in order to achieve the ultimate goal of reducing slip and fall injuries.


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Item Type: University of Pittsburgh ETD
Status: Unpublished
CreatorsEmailPitt UsernameORCID
Mirhassani Moghaddam, Seyed Rezasem162@pitt.edusem162
ETD Committee:
TitleMemberEmail AddressPitt UsernameORCID
Committee ChairBeschorner, Kurtbeschorn@pitt.edubeschorn
Committee MemberAbramowitch, Stevensdast9@pitt.edusdast9
Committee MemberCham, Rakiercham@pitt.edurcham
Committee MemberJacobs, Tevistjacobs@pitt.edutjacobs
Committee MemberRedfern, Markmredfern@pitt.edumredfern
Date: 20 June 2018
Date Type: Publication
Defense Date: 22 March 2018
Approval Date: 20 June 2018
Submission Date: 2 April 2018
Access Restriction: 1 year -- Restrict access to University of Pittsburgh for a period of 1 year.
Number of Pages: 145
Institution: University of Pittsburgh
Schools and Programs: Swanson School of Engineering > Bioengineering
Degree: PhD - Doctor of Philosophy
Thesis Type: Doctoral Dissertation
Refereed: Yes
Uncontrolled Keywords: Shoe, Slips and Falls, Finite Element, Friction, Wear, Biomechanics, Ergonomics
Additional Information: The video that is updated is referred to on page 99 of the dissertation (page 118 of the pdf).and the hyperlink functions properly
Date Deposited: 20 Jun 2018 16:21
Last Modified: 20 Jun 2019 05:15

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