F. Li¹, X. Wang¹, X. Liao¹, C. Niyibizi¹

Molecular & Cellular Biomechanics, Vol.3, No.4, pp. 167-168, 2006, DOI:10.32604/mcb.2006.003.167

Abstract This article has no abstract. More >

E. K. Moioli¹, B. Shah¹, P. A. Clark¹, M. Stroscio¹, J. J. Mao¹

Molecular & Cellular Biomechanics, Vol.3, No.4, pp. 153-155, 2006, DOI:10.32604/mcb.2006.003.153

Abstract This article has no abstract. More >

I. A. Titushkin¹, M. Cho¹

Molecular & Cellular Biomechanics, Vol.3, No.4, pp. 151-151, 2006, DOI:10.32604/mcb.2006.003.151

Abstract This article has no abstract. More >

C. Niyibizi¹, F. Li¹, X. Wang¹, X. Liao¹

Molecular & Cellular Biomechanics, Vol.3, No.4, pp. 149-149, 2006, DOI:10.32604/mcb.2006.003.149

Abstract This article has no abstract. More >

Deborah Fowler¹, Garrett Lopp², Dhiraj Bansal³, Ryan Schultz⁴, Matthew Brake⁵, Micah Shepherd⁶

Sound & Vibration, Vol.52, No.3, pp. 12-17, 2018, DOI:10.32604/sv.2018.03864

Abstract Acoustoelastic coupling occurs when a hollow structure’s in-vacuo mode aligns with an acoustic mode of the internal cavity. The impact of this coupling on the total dynamic response of the structure can be quite severe depending on the similarity of the modal frequencies and shapes. Typically, acoustoelastic coupling is not a design feature, but rather an unintended result that must be remedied as modal tests of structures are often used to correlate or validate finite element models of the uncoupled structure. Here, however, a test structure is intentionally designed such that multiple structural and acoustic modes are well-aligned, resulting in… More >

Xi Liu, Xinjun Dong, Yang Wang^*, Jacob Dodson, Bryan Joyce

Sound & Vibration, Vol.52, No.3, pp. 6-11, 2018, DOI:10.32604/sv.2018.03857

Abstract This article reports the latest development of a wireless sensing system, named Martlet, on high-g shock acceleration measurement. The Martlet sensing node design is based on a Texas Instruments Piccolo microcontroller, with clock frequency programmable up to 90 MHz. The high clock frequency of the microcontroller enables Martlet to support high-frequency data acquisition and high-speed onboard computation. In addition, the extensible design of the Martlet node conveniently allows incorporation of multiple sensor boards. In this study, a high-g accelerometer interface board is developed to allow Martlet to work with the selected microelectromechanical system (MEMS) high-g accelerometers. Besides low-pass and high-pass… More >

Guangzheng Yu^1,*, Yu Liu^1,2, Bosun Xie¹, Huali Zhou¹

Sound & Vibration, Vol.53, No.4, pp. 151-159, 2019, DOI:10.32604/sv.2019.04644

Abstract To accelerate head-related transfer functions (HRTFs) measurement, two or more independent sound sources are usually employed in the measurement system. However, the multiple scattering between adjacent sound sources may influence the accuracy of measurement. On the other hand, the directivity of sound source could induce measurement error. Therefore, a model consisting of two spherical sound sources with approximate omni-directivity and a rigid-spherical head is proposed to evaluate the errors in HRTF measurement caused by multiple scattering between sources. An example of analysis using multipole re-expansion indicates that the error of ipsilateral HRTFs are within the bound of ± 1.0 dB… More >

Yesica Romina FRONTINI-LÓPEZ¹, Aldana Daniela GOJANOVICH¹, Diego MASONE^1,2, Diego Martín BUSTOS^1,3, Marina UHART¹

BIOCELL, Vol.42, No.3, pp. 67-78, 2018, DOI:10.32604/biocell.2018.07013

Abstract In the last years, much work has shown that the most effective repair system of the body is represented by stem cells, which are defined as undifferentiated precursors that own unlimited or prolonged self-renewal ability, which also have the potential to transform themselves into various cell types through differentiation.All tissues that form the body contain many different types of somatic cells, along with stem cells that are called ‘mesenchymal stem (or stromal) cells’ (MSC). In certain circumstances, some of these MSC migrate to injured tissues to replace dead cells or to undergo differentiation to repair it.The discovery of MSC has… More >

Yewan Ma, Hansen Chang, Zhaowang Wu, Yanyan Jiang, Juan Li, Xunchang Yin, Quanjin Liu, Lihua Zhang^*

Sound & Vibration, Vol.53, No.4, pp. 139-149, 2019, DOI:10.32604/sv.2019.04622

Abstract The energy of a spring with a well-distributed mass m_s is theoretically studied in this paper. The solution of the wave equation is derived in detail, and then the kinetic energy and potential energy of the spring are studied with the wave equation, as well as the kinetic energy of the oscillating mass M. The kinetic energy and potential energy of the spring, and total energy are numerically simulated for different ratios m_s/M with considering the spring’s mass, which makes the property of energy of the oscillating system understood easily. More >

Mehdi Sarmast^1,*, Hamed Ghafari², Jan R. Wright³

Sound & Vibration, Vol.53, No.3, pp. 75-95, 2019, DOI:10.32604/sv.2019.04193

Abstract One of the practical approaches in identifying structures is the non-linear resonant decay method which identifies a non-linear dynamic system utilizing a model based on linear modal space containing the underlying linear system and a small number of extra terms that exhibit the non-linear effects. In this paper, the method is illustrated in a simulated system and an experimental structure. The main objective of the non-linear resonant decay method is to identify the non-linear dynamic systems based on the use of a multi-shaker excitation using appropriated excitation which is obtained from the force appropriation approach. The experimental application of the… More >