The influence of cycling loading force on the substrate made of frozen bone grafts was investigated. Three layers of bone grafts were compacted in a spherical model of hip joint acetabulum and then subjected to a sinusoidal loading force. For each layer a series of N = 30 loading cycles were performed. The least impacted grafts were located in the upper part of the acetabulum, close to its open...

The Unified Modeling Language (UML) offers different diagrams to depict the behavior of a modeled system and its elements. When employing different diagrams during modeling, it has to be ensured that these different specifications are consistent. The consistency conditions depend on the diagrams involved, the development process employed, and the current stage of the development. In order to en...

This study aims at getting a better performance for optimal stock portfolios by modeling stocks prices dynamics through a continuous paths Levy process. To this end, the share prices are simulated using a multi-dimensional geometric Brownian motion model. Then, we use the results to form the optimal portfolio by maximizing the Sharpe ratio and comparing the findings with the outputs of the conv...

Elastomers are finding wider and wider applications throughout industry. For example, the automotive industry is continually attempting to improve fuel efficiency. The resulting reduction in body and engine weights put increasing pressure on suspension and sound insulation designers to meet the car buyers demands for improved ride quality and quiet cars. Designers are no longer satisfied with s...

Testing concurrent programs remains a difficult task due to the non-deterministic nature of concurrent execution. Many approaches have been proposed to tackle the complexity of uncovering potential concurrency bugs. Static analysis tackles the problem by analyzing a concurrent program looking for situations/patterns that might lead to possible errors during execution. In general, static analysi...

Recent research into reconstructing biological networks has examined the use of dynamic Bayesian networks to model time-series data. While intuitively appealing, dynamic Bayesian network modeling makes assumptions about the properties of time-series data which may not hold for sparsely sampled datasets. This work argues that static Bayesian networks may be a more appropriate model for such data...

During the last two decades, investigations on the dynamic properties of structural elements have been the subject of numerous research works. The primary reason for this is the awareness and interest in using dynamic testing techniques for the purposes of health monitoring and damage detection for engineering structures. The dynamic properties of any structural element are governed by the rela...

Since renewable energies have been and will be massively integrated, electrical power grids require more refined generation dispatch modes and smarter communication methods. In this paper, the real-time generation dispatch and communication architecture of smart grid with renewable energy are studied. Firstly, the technical characteristics and application background of smart grid communication ...