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Wyszukujesz frazę "skin model" wg kryterium: Wszystkie pola


Wyświetlanie 1-4 z 4
Tytuł:
Calibration of Visco-Hyperelastic Model for Tensile Behavior of Porcine Skin
Autorzy:
Shin, Heonseop
Han, Doyeon
Kim, Sanghoon
Rhim, Sungsoo
Powiązania:
https://bibliotekanauki.pl/articles/354427.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
porcine skin
skin layers
visco-hyperelastic
constitutive model
Opis:
Uniaxial tensile tests were performed on porcine skin to investigate the tensile stress-strain constitutive characteristic at qua-sistatic deformations using uniaxial tensile tests. Experimental results were then used to determine the parameters of the various constitutive model types for rubber, including the Mooney-Rivlin, Yeoh, Ogden, and others. The Prony series viscoelastic model was also calibrated based on the stress relaxation test. To investigate the calibrated constitutive equations (visco-hyperelastic), the falling impact test was conducted. From the viewpoint of the maximum impact load, the error was approximately 15.87%. Overall, the Ogden model predicted the experimental measurements most reasonably. The calibrated constitutive model is expected to be of practical use in describing the mechanical properties of porcine skin.
Źródło:
Archives of Metallurgy and Materials; 2019, 64, 3; 819-822
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Determination of Uniaxial Tensile Behavior of Hypodermis in Porcine Skin Based on Rule of Mixtures
Autorzy:
Choi, Junsuk
Kim, Sanghoon
Rhim, Sungsoo
Rhee, Kyong-Yop
Powiązania:
https://bibliotekanauki.pl/articles/353406.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
porcine skin
skin layers
visco-hyperelastic
constitutive model
Opis:
In this study, we investigate the mechanical behavior of each skin layer, in terms of the nominal stress-strain curve by uniaxial tensile tests using specimens of porcine skin in two forms: dermis containing epidermis, and all three layers. All tests were performed under cyclic loading at the constant strain rate of 10-3 s-1 at ambient temperature. To measure the precise initial crosssectional areas of each layer, the thickness of each skin layer was quantified by counting the number of pixels on the photo-image using image-processing software. In the tensile test, force-strain curves of the total skin and dermis with epidermis were obtained. Subsequently, a rule of mixtures was applied to determine the nonlinear mechanical properties of the hypodermis layer. In conclusion, we could define the uniaxial tensile behavior of the hypodermis, and additionally predict the weight effect of the dermis and hypodermis layers in the tensile test.
Źródło:
Archives of Metallurgy and Materials; 2019, 64, 2; 491-494
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of Perfusion and Thermal Parameters of Skin Tissue Using Cold Provocation and Thermographic Measurements
Autorzy:
Strąkowska, M.
Strąkowski, R.
Strzelecki, M.
De Mey, G.
Więcek, B.
Powiązania:
https://bibliotekanauki.pl/articles/220811.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
active thermovision
perfusion
thermal model
skin tissue
measurement uncertainty
Opis:
Measurement of the perfusion coefficient and thermal parameters of skin tissue using dynamic thermography is presented in this paper. A novel approach based on cold provocation and thermal modelling of skin tissue is presented. The measurement was performed on a person’s forearm using a special cooling device equipped with the Peltier module. The proposed method first cools the skin, and then measures the changes of its temperature matching the measurement results with a heat transfer model to estimate the skin perfusion and other thermal parameters. In order to assess correctness of the proposed approach, the uncertainty analysis was performed.
Źródło:
Metrology and Measurement Systems; 2016, 23, 3; 373-381
0860-8229
Pojawia się w:
Metrology and Measurement Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analytical and experimental determination of the parasitic parameters in high-frequency inductor
Autorzy:
Zdanowski, M.
Barlik, R.
Powiązania:
https://bibliotekanauki.pl/articles/200393.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
model of inductor circuit
interlayer capacitance
parallel resonance
litz wire
inductor winding
skin effect
pojemność pośrednia
rezonans równoległy
cewka indukcyjna
Opis:
The paper presents the results of calculations, simulations, and measurements of parasitic capacitance of winding in ferrite inductor suitable for cooperating with 2 kW DC-DC boost converter built using SiC JFET transistors, operating with a switching frequency of 100 kHz. The inductor winding is made of litz wire in a two-layer configuration. The lumped model of inductor winding was adopted. The results of analytical calculations have been compared with the results obtained from experimental investigations based on the resonance effect.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2017, 65, 1; 107-112
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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