Determining hyperelastic parameters of human skin using 2D finite element modelling and simulation

Manan, Nor Fazli Adull; Ramli, Mohd Hanif Mohd; Patar, Mohd Nor Azmi Ab; Holt, Catherine Avril; Evans, Samuel Lewin; Chizari, Mahmoud; Mahmud, Jamaluddin

doi:10.1109/shuser.2012.6268996

Cited by 12 publications

(7 citation statements)

References 14 publications

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“…These previous studies showed that the skin is a visco-hyper-elastic and anisotropic material, with a complex initial tension. A lot of work have addressed in the past hyperelasticity (Manan et al, 2012) or viscosity (Boyer et al, 2009), but few work investigated the anisotropy. If considering the whole in-plane behaviour, with a simplification of the anisotropy to orthotropy, the number of variables should be 14 making very difficult a proper characterization.…”

Section: Introductionmentioning

confidence: 99%

Assessment of the in-plane biomechanical properties of human skin using a finite element model updating approach combined with an optical full-field measurement on a new tensile device

Boyer

Molimard

Tkaya

et al. 2013

Journal of the Mechanical Behavior of Biomedical Materials

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Human skin is one of the most important organ of the body. The assessment and knowledge of its properties are very useful for clinical or cosmetic research. Many techniques are used to measure the mechanical properties of this organ, like suction, indentation, torsion or tension tests. The aim of this paper is to present a new device based on tension technique and combining mechanical and optical measurements. The whole procedure used to assess the displacement field as described, and first results of tests performed in vivo are shown.

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Section: Introductionmentioning

confidence: 99%

Assessment of the in-plane biomechanical properties of human skin using a finite element model updating approach combined with an optical full-field measurement on a new tensile device

Boyer

Molimard

Tkaya

et al. 2013

Journal of the Mechanical Behavior of Biomedical Materials

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“…The fibres from the motor cortex (corticospinal tract) will decussate in the medulla oblongata in the spinal cord. The contributions come from the supplementary motor area and the premotor cortex, which constitute 29% of the fibres, while the somatosensory cortex, parietal lobe and cingulate gyrus supply the rest [6]. A tactile stimulus activates the touch receptors in the fingers.…”

Section: A Sensory and Motor Pathwaymentioning

confidence: 99%

Hand rehabilitation device system (HRDS) for therapeutic applications

Patar

Komeda

Mori

et al. 2014

5th IEEE RAS/EMBS International Conference on Biomedical Robotics and Biomechatronics

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The hand rehabilitation approach for people who are affected by cerebral apoplexy has been a long-standing issue with researchers worldwide. Currently, scientific research has discovered a way to recover the motor function. Moreover, the sensory function can be recovered by neuroplasticity. Previously, the conventional hand rehabilitation approach only focused on the motor function. Therefore, there is a need to develop an effective hand rehabilitation device to recover both the motor and sensory functions. This research embarked on the configuration setup and evaluation of new hand rehabilitation devices using a mechanical stimulation system. The system has directly led to the stimulation of tactile senses, which can later be used to help patients who lack motor and sensory functions. The work was carried out in four stages comprising the development of a programming algorithm, the design and fabrication of the device and finally, an evaluation of the product and its functions. The objective to develop and fabricate a new robust tactile grasping type stimulator for a hand rehabilitation device has been achieved successfully. The preliminary evaluation on a healthy volunteer was carried out to identify the safety factor in the implementation of hardware and software before targeted patients are used.

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“…11 Finite element models have also been developed to determine the hyperelastic parameters of the skin. 12 Talarico et al 13 developed a multilayered structural three-dimensional (3-D) FE fingertip model to analyze the deformation distribution characteristics within fingertip soft tissues. Evans and Holt 14 studied the mechanical properties of human skin using finite element modeling.…”

Section: Introductionmentioning

confidence: 99%

Vibration analysis of healthy skin: toward a noninvasive skin diagnosis methodology

et al. 2019

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Vibration analysis of healthy skin: toward a noninvasive skin diagnosis methodology,"Abstract. Several noninvasive imaging techniques have been developed to monitor the health of skin and enhance the diagnosis of skin diseases. Among them, skin elastography is a popular technique used to measure the elasticity of the skin. A change in the elasticity of the skin can influence its natural frequencies and mode shapes. We propose a technique to use the resonant frequencies and mode shapes of the skin to monitor its health. Our study demonstrates how the resonant frequencies and mode shapes of skin can be obtained using numerical and experimental analysis. In our study, natural frequencies and mode shapes are obtained via two methods: (1) finite element analysis: an eigensolution is performed on a finite element model of normal skin, including stratum corneum, epidermis, dermis, and subcutaneous layers and (2) digital image correlation (DIC): several in-vivo measurements have been performed using DIC. The experimental results show a correlation between the DIC and FE results suggesting a noninvasive method to obtain vibration properties of the skin. This method can be further examined to be eventually used as a method to differentiate healthy skin from diseased skin. Prevention, early diagnosis, and treatment are critical in helping to reduce the incidence, morbidity, and mortality associated with skin cancer; thus, making the current study significant and important in the field of skin biomechanics. © The Authors. Published by SPIE under a Creative Commons Attribution 4.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.

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Determining hyperelastic parameters of human skin using 2D finite element modelling and simulation

Cited by 12 publications

References 14 publications

Assessment of the in-plane biomechanical properties of human skin using a finite element model updating approach combined with an optical full-field measurement on a new tensile device

Assessment of the in-plane biomechanical properties of human skin using a finite element model updating approach combined with an optical full-field measurement on a new tensile device

Hand rehabilitation device system (HRDS) for therapeutic applications

Vibration analysis of healthy skin: toward a noninvasive skin diagnosis methodology

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