Dynamic response of porcine articular cartilage and meniscus under shock loading

Juang, Yun-Ching; Tsai, Liren; Lin, Hong‐Ru

doi:10.1007/978-1-4614-0216-9_54

Cited by 3 publications

(4 citation statements)

References 17 publications

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“…In dynamic loading, the strain rate has a positive correlation with the Young's modulus, yield stress and strength. Porcine Young's modulus and yield stress rise from 35.63 MPa and 5.55 MPa at the strain rate of 690 s -1 to 148.14 MPa and 23.83 MPa at the strain rate of 1560 s -1 respectively [28].…”

Section: Strain Ratementioning

confidence: 92%

“…Strain rate sensitivity of meniscus mechanical properties (A) Young's modulus and yield stress (B) stress-strain variations based on strain rate (data from [28]).…”

Section: Fig 22mentioning

confidence: 99%

“…Juang et al [28] studied dynamic responses of the porcine articular cartilage and found that Young's modulus has a negative correlation with the strain rate. However, dependency of the yield stress on the strain rate is not predictable since, they both show positive and negative correlations at different strain rates (see Fig.…”

Section: Strain Ratementioning

confidence: 99%

“…Fig. 2.8: Variation of Young's modulus and yield stress with changes in strain rate (data from [28]).…”

Section: Strain Ratementioning

confidence: 99%

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Ratcheting response of biological tissues over asymmetric loading cycles

Hashemi¹

2021

Preprint

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The purpose of this study is to examine the ratcheting phenomenon in a variety of biological tissues including the trabecular bone, meniscus, articular cartilage and skin, and propose a parametric model to predict the ratcheting strain of these tissues. Furthermore, utilizing experimental data, and the influence of different mechanical and biological parameters on the ratcheting strain are discussed. The dependency of ratcheting on frequency, stress rate, stress variation, physiological environment, and tissue sites is demonstrated. Besides, stiffness of the toe and linear regions in each cycle, and the modulus of the failure region of the stress-strain curve are computed. The energy dissipation in different cycles at two frequencies of 1 Hz and 10 Hz is discussed. A parametric model was employed to predict ratcheting behavior of the said biological tissues. The model predictions of the strain accumulation in tissues are found in agreement with the experimental data.

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Section: Strain Ratementioning

confidence: 92%

“…Strain rate sensitivity of meniscus mechanical properties (A) Young's modulus and yield stress (B) stress-strain variations based on strain rate (data from [28]).…”

Section: Fig 22mentioning

confidence: 99%

Section: Strain Ratementioning

confidence: 99%

“…Fig. 2.8: Variation of Young's modulus and yield stress with changes in strain rate (data from [28]).…”

Section: Strain Ratementioning

confidence: 99%

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Ratcheting response of biological tissues over asymmetric loading cycles

Hashemi¹

2021

Preprint

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Ratcheting Evaluation of Biological Tissues Over Asymmetric Loading Cycles

Hashemi

Varvani‐Farahani

2021

J. Mech. Med. Biol.

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This study intends to evaluate the ratcheting response of biological samples prepared from bovine and porcine trabecular bone, articular cartilage, meniscus, and skin tissues and tested under asymmetric (nonzero mean stress) cycles. Meniscus and skin samples were tested with stress ratios of [Formula: see text] and [Formula: see text], respectively, while other tissues were tested at [Formula: see text]. Experimental ratcheting data and related influential parameters including stress level, stress rate, and testing frequency were discussed. A parametric ratcheting equation was further calibrated to estimate the ratcheting response of tissues. The predicted ratcheting data were found to be in close agreement with the reported experimental data.

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