Search Results - "Grimal, Q."

A critical assessment of the in-vitro measurement of cortical bone stiffness with ultrasound by Peralta, L., Cai, X., Laugier, P., Grimal, Q.

“…•Standardizing ultrasonic bulk wave velocity measurements on cortical bone is needed.•Effects of multiple factors on the resulting stiffness are…”
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Using ultrasonic attenuation in cortical bone to infer distributions on pore size by White, R.D., Alexanderian, A., Yousefian, O., Karbalaeisadegh, Y., Bekele-Maxwell, K., Kasali, A., Banks, H.T., Talmant, M., Grimal, Q., Muller, M.

“…•Pore size distribution in cortical bone is inferred using ultrasound interrogation.•Variational regularization stabilizes nonparametric inverse…”
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Can a continuous mineral foam explain the stiffening of aged bone tissue? A micromechanical approach to mineral fusion in musculoskeletal tissues by Penta, R, Raum, K, Grimal, Q, Schrof, S, Gerisch, A

“…Recent experimental data revealed a stiffening of aged cortical bone tissue, which could not be explained by common multiscale elastic material models. We…”
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Assessment of trabecular bone tissue elasticity with resonant ultrasound spectroscopy by Daoui, H, Cai, X, Boubenider, F, Laugier, P, Grimal, Q

“…The material properties of the trabeculae (tissue-level properties), together with the trabecular architecture and the bone volume fraction determine the…”
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Cortical bone elasticity measured by resonant ultrasound spectroscopy is not altered by defatting and synchrotron X-ray imaging by Cai, X., Peralta, L., Giron, A., Helfen, L., Olivier, C., Peyrin, F., Laugier, P., Grimal, Q.

“…In the study of mechanical properties of human bone, specimens may be defatted before experiments to prevent contamination and the risk of infections. High…”
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Analytical methods to determine the effective mesoscopic and macroscopic elastic properties of cortical bone by Parnell, William J., Vu, M. B., Grimal, Q., Naili, S.

“…We compare theoretical predictions of the effective elastic moduli of cortical bone at both the meso- and macroscales. We consider the efficacy of three…”
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Influence of a gradient of material properties on ultrasonic wave propagation in cortical bone: Application to axial transmission by Haïat, Guillaume, Naili, Salah, Grimal, Quentin, Talmant, Maryline, Desceliers, Christophe, Soize, Christian

“…The aim of this work is to evaluate the effect of a spatial gradient of material properties (mass density and stiffness coefficients) of cortical bone on its…”
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Influence of viscoelastic and viscous absorption on ultrasonic wave propagation in cortical bone: Application to axial transmission by Naili, Salah, Vu, Mai-Ba, Grimal, Quentin, Talmant, Maryline, Desceliers, Christophe, Soize, Christian, Haïat, Guillaume

“…Cortical bone and the surrounding soft tissues are attenuating and heterogeneous media, which might affect the signals measured with axial transmission…”
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Determination of the random anisotropic elasticity layer using transient wave propagation in a fluid-solid multilayer: Model and experiments by Desceliers, Christophe, Soize, Christian, Grimal, Quentin, Talmant, Maryline, Naili, Salah

“…The aim of this paper is to introduce a simplified model for an uncertain solid layer sandwiched between two acoustic fluid layers and using the ultrasonic…”
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Quantitative Ultrasound Assessment of Cortical Bone Properties Beyond Bone Mineral Density by Grimal, Q., Laugier, P.

“…The development of quantitative ultrasound (QUS) technologies to measure bone is motivated by the need to overcome the limitations of X-ray based methods,…”
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Elastoacoustic model with uncertain mechanical properties for ultrasonic wave velocity prediction: Application to cortical bone evaluation by Macocco, Karina, Grimal, Quentin, Naili, Salah, Soize, Christian

“…The axial transmission technique can measure the longitudinal wave velocity of an immersed solid. An elementary model of the technique is developed with a set…”
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A time-domain method to solve transient elastic wave propagation in a multilayer medium with a hybrid spectral-finite element space approximation by Desceliers, C., Soize, C., Grimal, Q., Haiat, G., Naili, S.

“…This paper introduces a new numerical hybrid method to simulate transient wave propagation in a multilayer semi-infinite medium, which can be fluid or solid,…”
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MESOSCALE ELASTIC PROPERTIES OF CORTICAL BONE TISSUE DERIVED FROM MICROSCALE IMPEDANCE IMAGES by Grimal, Q, Raum, K, Gerisch, A, Laugier, P

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22 Sensitivity of Ultrasound to Indices of Femoral Neck Strength Investigated With Simulation of Wave Propagation in Cortical Bone by Grondin, J, Grimal, Q, Laugier, P

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89 Derivation of Structure-Function Relations in Cortical Bone by Raum, K, Grimal, Q, Gerisch, A

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90 Continuum Level Elastic Properties of Cortical Bone Derived from Acoustic Microscopy Images by Grimal, Q, Raum, K, Gerisch, A, Laugier, P

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A numerical investigation of the overall cortical bone anisotropy: contributions of material symmetry and micro-architecture by Grimal, Q., Raum, K., Liabeuf, V., Laugier, P.

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A method for calculating the axisymmetric response of a two-layered half-space under dynamic concentrated loading by Grimal, Q., Naı̈li, S., Watzky, A.

“…The transient response of a linearly elastic structure made of a layer overlaying a half-space, subjected to a normal point force on its free surface, is…”
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MODELING WITH UNCERTAIN PARAMETERS: APPLICATION TO THE ULTRASONIC ASSESSMENT OF BONE QUALITY by Grimal, Q, Talmant, M, Haiat, G, Naili, S, Desceliers, C, Soize, C

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Modelling cortical bone using the method of asymptotic homogenization by Parnell, W.J., Grimal, Q., Abrahams, I.D., Laugier, P.

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