Finite element human hand model: Validation and ergonomic considerations

G Harih, M Kalc, M Vogrin… - International Journal of …, 2021 - Elsevier
Established ergonomic practices incorporate only limited user data while designing new
handheld products and hand tools. Design of handheld products and their handles relies …

The contact length parameter as a geometric factor for user-centered design of pistol grip geometries of power tools

R Germann, N Schröder, S Matthiesen - Applied Ergonomics, 2022 - Elsevier
In this study the geometric parameter of the contact length is introduced, which intends to
combine force exertion and perceived handle comfort in an anthropometric length in order to …

A Constitutive Model to Characterize In Vivo Human Palmar Tissue

M Shojaeizadeh, V Spartacus… - Journal of …, 2023 - asmedigitalcollection.asme.org
In vivo characteristics of palmar soft tissue can be used to improve the accuracy of human
models to explore and simulate a range of contact scenarios. Tissue characteristics can help …

Development of a gripping comfort evaluation method based on numerical simulations using individual hand finite element models

K Hokari, JA Pramudita, K Okada… - … Journal of Human …, 2023 - inderscienceonline.com
In this study, three individual hand finite element models with different dimensions were
developed to perform grasping simulations. The performance of the three models was …

Accuracy prediction of wearable flexible smart gloves

Y Zhang, H Xie, MJ Lake - AUTEX Research Journal, 2023 - degruyter.com
This article aimed at providing a new biomechanical three-dimensional dynamic finite
element model of the hand–glove combination for exploring the distribution of the overall …

Computational method to optimize design of gripping part of products via grasping motion simulation to maximize gripping comfort

K Hokari, JA Pramudita, M Ito, K Okada, Y Tanabe - Applied Sciences, 2020 - mdpi.com
In this study, a grasping motion simulation method based on finite element analysis was
developed for the virtual evaluation of gripping comfort while gripping a cylindrical object …

Numerical Analysis of Hand-Handle Interaction: Evaluating the Influence of Handle Stiffness on Contact Mechanics

G Harih, V Plesec - 2024 - researchsquare.com
The interaction between users and handheld products, particularly regarding handle
stiffness, plays a critical role in determining comfort and performance. This study investigates …

Investigation of Mechanical Responses in Fingertip Using Finite Element Model for Softness Perception

K HOKARI, JA PRAMUDITA - Advanced Experimental Mechanics, 2023 - jstage.jst.go.jp
Softness perception of human is used to perceive material characteristics of touched surface
and is applied to devices for haptic feedback and robots with tactile perception. However …

Grasping spherical deformable objects using parallel gripper with planar or concave jaws

M Ionescu, DN Dumitriu, C Rugina… - … Romanian Journal of …, 2024 - rjts-applied-mechanics.ro
The goal is to demonstrate that spherical concave jaws of a parallel gripper induce smaller
indentation displacements and smaller contact pressures to spherical deformable objects …

In-vivo characterization of palmar soft tissue

M Shojaeizadeh - 2022 - summit.sfu.ca
Among fall-related injuries, scaphoid fracture accounts for 60% of all carpal fractures. Many
of these falls occur during daily life activities and can be avoided by establishing …