Adaptive spectral elements for diffuse interface multi-fluid flow

viii+168hlm.;24c

Analysis of ISO 26262 Compliant Techniques for the Automotive Domain

The ISO 26262 standard denes functional safety for automotive E/E systems. Since the publication of the rst edition of this standard in 2011, many dierent safety techniques complying to the ISO 26262 have been developed. However, it is not clear which parts and (sub-) phases of the standard are targeted by these techniques and which objectives of the standard are particularly addressed. Therefore, we carried out a gap analysis to identify gaps between the safety standard objectives of the part 3 till 7 and the existing techniques. In this paper the results of the gap analysis are presented such as we identied that there is a lack of mature tool support for the ASIL sub-phase and a need for a common platform for the entire product development cycle

Analysis of ISO 26262 Compliant Techniques for the Automotive Domain

The ISO 26262 standard denes functional safety for automotive E/E systems. Since the publication of the rst edition of this standard in 2011, many dierent safety techniques complying to the ISO 26262 have been developed. However, it is not clear which parts and (sub-) phases of the standard are targeted by these techniques and which objectives of the standard are particularly addressed. Therefore, we carried out a gap analysis to identify gaps between the safety standard objectives of the part 3 till 7 and the existing techniques. In this paper the results of the gap analysis are presented such as we identied that there is a lack of mature tool support for the ASIL sub-phase and a need for a common platform for the entire product development cycle

Model-based simulation and threat analysis of in-vehicle networks

\u3cp\u3eAutomotive systems are currently undergoing a rapid evolution through the integration of the Internet of Things (IoT) and Software Defined Networking (SDN) technologies. The main focus of this evolution is to improve the driving experience, including automated controls, intelligent navigation and safety systems. Moreover, the extremely rapid pace that such technologies are brought into the vehicles, necessitates the presence of adequate testing of new features to avoid operational errors. Apart from testing though, IoT and SDN technologies also widen the threat landscape of cyber-security risks due to the amount of connectivity interfaces that are nowadays exposed in vehicles. In this paper we present a new method, based on OMNET++, for testing new in-vehicle features and assessing security risks through network simulation. The method is demonstrated through a case-study on a Toyota Prius, whose network data are analyzed for the detection of anomalies caused from security threats or operational errors.\u3c/p\u3

Supporting 3D and VR applications in a metacomputing environment

\u3cp\u3e3D and VR applications require large amounts of computing time. In most applications it has to be available in a specific time span. In Cave or Immersive desk environments the power has to be available real-time. Much preparation can, however, be done on a longer time scale. Complex 3D applications in for instance the media industry require large computation power for rendering purposes in a timescale ranging from hours to a few days. Metacomputing environments, including a large number of machines, can be a useful tool for supporting these VR and 3D applications. Within the EROPPA project, a software environment for use by post production companies has been developed. Currently extensions to virtual surgery applications are investigated.\u3c/p\u3

Application of mortar elements to diffuse-interface methods

An adaptive 2D mesh refinement technique based on mortarspectral elements applied to diffuse-interface methods is presented. The refinement algorithm tracksthe movement of the 2D diffuse-interface and subsequently refines the mesh locally at that interface, whilecoarsening the mesh in the rest of the computational domain, based on error estimators. Convergence of the methodis validated using a Gaussian distribution problem and results are presented for a Cahn-Hilliard diffuseinterface model applied to capture the transient dynamics of polymer blends

Efficient distributed execution of computationally intensive tasks

Recent advances in computer and network technology have made distributed systems appropriate for the provision of high quality services in many application areas, especially when execution time is the critical factor. Many modern problems are extremely computationally intensive, leading to an unavoidable compromise to the quality of the generated results in order to best fit time and budgetary restrictions. This paper reports on the implementation of a distributed architecture, suitable for the efficient execution of computationally intensive parallel jobs that may require/generate large volume of data. A cluster of networked computing nodes as a physical layer to the distributed architecture is considered. We present a job model for the submitted tasks that is derived from real-life application areas. Overlapping techniques are proposed as a method of reducing network delays. We prove that the proposed distribution of work over the nodes of the execution network is optimal, in terms of minimizing the execution time, with respect to the availability of resources. Certain configuration and implementation details are discussed, mainly in the job management and submission and delivery manager layers. We conclude by presenting our experience of testing the environment for computing-intensive 3D rendering jobs derived from the ESPRIT project EROPPA

Analysis of ISO 26262 Compliant Techniques for the Automotive Domain

The ISO 26262 standard denes functional safety for automotive E/E systems. Since the publication of the rst edition of this standard in 2011, many dierent safety techniques complying to the ISO 26262 have been developed. However, it is not clear which parts and (sub-) phases of the standard are targeted by these techniques and which objectives of the standard are particularly addressed. Therefore, we carried out a gap analysis to identify gaps between the safety standard objectives of the part 3 till 7 and the existing techniques. In this paper the results of the gap analysis are presented such as we identied that there is a lack of mature tool support for the ASIL sub-phase and a need for a common platform for the entire product development cycle