in order to reduce both the weight of vehicles and the damage of occupants in a crash event simultaneously, it is necessary to perform a multi-objective optimization of the automotive energy absorbing components. in this paper, axial impact crushing behavior of the aluminum foam-filled thin-walled tubes are studied by the finite element method using commercial software abaqus. comparison of the...

In this paper, we demonstrate that multiple concurrent asynchronous and uncoordinated Single-Input Multiple-Output (SIMO) transmissions can successfully take place even though the respective receivers do not explicitly null out interfering signals. Hence, we propose simple modifications to the widely deployed IEEE 802.11 Medium Access Control (MAC) to enable multiple non-spatially-isolated SIMO...

A wireless multi-hop network consists of a group of decentralized and self-organized wireless devices that collaborate to complete their tasks in a distributed way. Data packets are forwarded collaboratively hop-by-hop from source nodes to their respective destination nodes with other nodes acting as intermediate relays. These networks can be used to collect and exchange data for a variety of a...

This paper investigates the problem of wavelength assignment in dynamic wavelength reusable multicarrier distributed (WRMD) wavelength-divisionmultiplexing (WDM) networks. In WRMD network lightpath between source and destination edge nodes (ENs) are established by using multi-carrier light source (MCLS). An MCLS is a communication light source device that can generate multiple optical carriers ...

Optimization is an important tool for the operation of energy system. Multi-carrier systems (MESs) have recently become more important. Load flow (LF) equations are used within optimization to determine if physical network limits violated. Due nonlinearities, solvability OF problem and convergence algorithms influenced by how LF included in optimal (OF) problem. In addition, scaling greatly inf...