Combining actual city T-shaped intersection traffic conditions in this paper, we propose a cellular automaton model of mixed traffic flow at T-shaped intersection. In order to avoid a collision between vehicles and gridlock phenomenon occurs, running vehicle in the model adopted the principle of major...

The stiffness matrix of a shaft with slant transverse crack under the common action of axial force, moment and torque was derived based on material mechanics, local flexibility and fracture mechanics theory and apply strain energy release rate method. The opening and closing regularity of the crack and...

By using Matlab/Simulink as a development and simulation platform, a wind turbine simulation-testing system was designed with the data from GH Bladed software and IEC61400-1 standard. Moreover, a whole dynamic model of a MW-class variable speed constant frequency Doubly-Fed wind generator is presented,...

Welding structure is widely used in impellers fitted on the large centrifugal compressor and the crack propagation life prediction is studied based on the fracture mechanics. First the finite element structure strength analysis is carried on the three-dimensional entity model of the impeller, and the...

The shaft misalignment usually causes the severe vibration of rotating machine. In this paper, a three-dimensional dynamic model of a coupled gear–rotor system is developed to simulate this phenomenon. The numerical simulation of the dynamic characteristics is performed to analyze the effects of both...

There are lots of limitations in ship oil purifier practical training system. Most of the simulation system is given priority to hardware simulation and it isn’t convenient to use. For this purpose, it’s necessary to design a software simulation platform to help students to master the application of...

This paper studied the local scour processes at subsea structures using using the computational fluid dynamics codes (OPENSOURCE CODE). The model solved the fully three-dimensional, Reynolds-averaged Navier–Stokes equation closed with the LES model. Stokes and Cnoidal Waves were generated using Fenton’s...

To the turbulence induced by local voltage oscillations during repolarizing phase of the cardiac action potential, the effects of current pacing and electrical field were investigated to reveal their feasibilities in elimination of the turbulence. A local pathological 2-dimensional tissue including 401...

Based on conventional single-stage grid-connected photovoltaic (PV) Z-source inverter, the unified control combining with harmonic and reactive power compensation is proposed. The grid harmonics and reactive current are measured while PV system outputting power. Then corresponding reactive power compensation...

On the basis of the Delphi method, the indicators / variables that impacted system, were inquired and analyzed by using principal component analyses and factor analysis techniques; the factor equations were exploring utilized: comprehensive latent factors was acquired by solving overdetermined equations,...

This paper presents the conceptual structure of a novel microscopic traffic flow behavior simulation model for motorcycle traffic based on a mobility force structure, called mobility force car-following model. The mobility force is defined as the interactive force of motorcycle by surrounding vehicles...

This paper introduces how to easily integrate the modular navigation system for the autonomous underwater vehicle (AUV), which consists of the various hardware and software modules. This paper is focused on how to build the integrated underwater navigation module which is applicable to various types...

With the rapid development of high performance computing technology, the simulation of viscoelastic fluids has become an extremely important research area and numerous new promising techniques have been proposed over the last decades. In this paper we proposed a numerical algorithm for solving the multi-scale...

Physolator is Java based physics simulation framework. Physolator supports an object oriented style for building physical models. This article describes Physolators core architecture and it explains how the framework architecture contributes to building physical simulations in a modular, object oriented...

In the simulation of ecological formation process, as the complexity of the environment increases, only one model is usually not enough to correctly predict the change. In this program, we introduced another way--- the multi-scale analysis to simulate the formation process by combining two models together....

In View of the vehicle routing problem with simultaneous delivery and pickup (VRPSDP) for cold-chain logistics, this paper analyzed the cost structure of vehicle fixed cost, running cost, refrigerating cost and cold-chain goods deteriorating cost in the process of delivery and pickup. By minimizing the...

A multiscale finite element simulation is presented to solve a parabolic problem efficiently. This parabolic model has highly oscillatory coefficient, which make the conventional methods expensive costs or bad behaviors. The new multiscale finite element scheme, whose multiscale basis functions may reflect...

A numerical study has been conducted to investigate the modelling of steady two-dimensional stagnation-point flow and diffusion of chemically reactive species of a viscous and incompressible fluid past a permeable quadratically stretching/ shrinking sheet. Similarity transformation has been used to reduce...

In this paper, an improved droop control strategy is presented to restrict the maximum power of inverters and to enhance the accuracy of reactive power sharing for parallel inverters in low voltage microgrid. The improved method can decouple active and reactive power through rotating orthogonal transformation,...

The definition and calculation of the operational readiness and availability of weapon system have been described. The relationship and difference between them have been analyzed. On the assumption that the repair time, logistic delay time and the relaxation time are subject to different distributions,...

Complex system life cycle management is system engineering involving high technology, high investment and high risk. This paper studied risk evolution and risk level distributions on different stages during complex system life cycle. Taking into account risk propagation and feedback influence, the risk...

The main failure form of the rotary liner hanger bearing is roller end breakage in the drilling engineering. Some modification methods are applied to solve this problem, however, the modification formula is very complex and calculation process need to be repeated, which may lead to calculating negligence,...

In consideration of robot’s bumpy moving condition, a camera height dynamic compensation algorithm which based on characteristics of parallel lines was raised up, this camera height dynamic compensation algorithm is based on inherent characteristics that two parallel lines parallel to each other to conduct...