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Showing papers in "Simulation Modelling Practice and Theory in 2012"


Journal ArticleDOI
TL;DR: A new method for the modeling and simulation study of a photovoltaic grid connected system and its experimental validation is presented and good agreement with experimental data is shown, whether for the I–V characteristics or for the whole operating system.

221 citations


Journal ArticleDOI
TL;DR: A novel algorithm is proposed which can decrease the number of evolution generation, and can also evolve the fuzzy system for obtaining a better performance.

138 citations


Journal ArticleDOI
TL;DR: This work proposes three basic types of hybrid agent-based system dynamics simulations, referred to here as interfaced, integrated and sequential hybrid designs, and speculate that the classification presented may also be useful for other classes of hybrid simulations.

131 citations


Journal ArticleDOI
TL;DR: A new approach based on single-step algorithm with a reversed collision–propagation scheme is developed to maximize GPU memory bandwidth, taking advantage of the newer versions of CUDA programming model and newer NVIDIA Graphic Cards.

113 citations


Journal ArticleDOI
TL;DR: An event based simulation model using ARENA is developed to solidify the merits of moving urban freight by rail and demonstrates that it is a viable alternative to the most popular methods in today’s freight markets.

112 citations


Journal ArticleDOI
TL;DR: TAPAS is more powerful than traditional approaches to freight transport analysis, as it explicitly models production and customer demand, and it captures the interaction between individual transport chain actors, their heterogeneity and decision making processes, as well as time aspects.

93 citations


Journal ArticleDOI
TL;DR: An optimization procedure tested for a given forming strategy is shown, in order to reduce the manufacturing time and homogenize thickness distribution of an asymmetric part.

79 citations


Journal ArticleDOI
TL;DR: Different microscopic discrete event simulation models for a container terminal are presented, focusing on the best approach to adopt to simulate handling activity time duration and on which level of detail should be pursued with respect to different planning horizons.

73 citations


Journal ArticleDOI
TL;DR: Simulation results on a boiler–turbine system illustrate that a satisfactory closed-loop performance with offset-free property can be achieved by using the proposed MPC strategy.

71 citations


Journal ArticleDOI
TL;DR: It was found that GDP and FDI play an important role in fostering the demand and system dynamics simulation model can provide reliable forecast and generate scenarios to test alternative assumptions and decisions.

66 citations


Journal ArticleDOI
TL;DR: Investigations are realised to perform simulations of shoulder milling operations on AISI 304L stainless steel using the commercial software LS-Dyna© using a Lagrangian formulation with an explicit solution scheme and a penalty contact algorithm to obtain realistic numerical cutting forces for shoulder milled operations.

Journal ArticleDOI
TL;DR: The proposed controller gives fast dynamic response with no overshoot and nearly zero steady state error, and its robustness to parameter variations is also confirmed by simulation results.

Journal ArticleDOI
TL;DR: According to the experimental results, residents with disabilities significantly delay the evacuation process by causing congestion and blocking phenomenon and the differences in the evacuation time of the homogenous and the heterogeneous population scenarios become more significant as the population size increases.

Journal ArticleDOI
TL;DR: Investigation of effects of deepening on port performance measures in Delaware River finds that vessel calls to terminals, lightering and barge operations, tidal and navigational rules in the River, terminal and anchorage properties as well as vessel profiles are considered in the model.

Journal ArticleDOI
Lei Wang1, Yong Zhang1, Chengliang Yin1, Hu Zhang1, Cun-lei Wang1 
TL;DR: Simulation results demonstrate that the proposed real-time suboptimal EMS by the neural network can coordinate the overall hybrid powertrain of the hybrid bus to optimize fuel economy over different drive cycles, and the given drive cycles can be tracked while sustaining the battery SOC level.

Journal ArticleDOI
TL;DR: The current practices relating to input data management are presented and further research and development required to achieve high levels of automation are identified.

Journal ArticleDOI
TL;DR: An artificial neural network model is developed which has the ability to estimate the optimal number of wind turbines and the total produced power in a wind farm and its results are compared with those of earlier studies that have followed other approaches proving that the ANN model is well working and has an acceptable accuracy.

Journal ArticleDOI
TL;DR: The model presented is the first tool that can predict the lateral lubricating gap features, accounting for the main features of machine operation, and has the potential to be used to drive design of gear machines with greater efficiency and reliability.

Journal ArticleDOI
TL;DR: A Finite Element behavior analysis of a shape memory alloy actuator for a micropump showed that it is possible to provide a large stroke for a minimal geometry of the actuator.

Journal ArticleDOI
TL;DR: This work is dedicated to the development of SPIF for microparts and for thin metal sheets (less than 1 mm) and the definition of a numerical toolbox to simulate this process at these scales is focused on.

Journal ArticleDOI
Qiang Yu1, Zhifeng Wang1, Ershu Xu1, Hongli Zhang1, Zhenwu Lu1, Xiudong Wei1 
TL;DR: A heliostat field model was fully developed to simulate the solar flux distribution on the inner surfaces of a cavity receiver of a solar tower power plant by means of the Monte-Carlo ray-tracing method, showing that both of the comparative results show that they can be good references for the safe design of the whole system.

Journal ArticleDOI
TL;DR: A nonparametric adaptive importance sampling (NAIS) algorithm to estimate rare event quantile and the quantile estimation of the temperature of a forest fire detection simulator is proposed.

Journal ArticleDOI
TL;DR: The architecture of the simulation/prototyping tool named Virtual Intelligent Vehicle Urban Simulator ( vivus) is presented to overcome the general drawbacks of classical solutions by providing the possibility of designing a vehicle virtual prototype with simulated embedded sensors and physical properties.

Journal ArticleDOI
TL;DR: In this article, a microscopic two-level simulation modeling framework is proposed to analyze both decision-making processes at a crosswalk as well as physical interactions among pedestrians when they cross a street.

Journal ArticleDOI
TL;DR: This article studies accurate and detailed hydro turbine and governor models, and implements these models in Power System Analysis Toolbox (PSAT)-a free and open source software.

Journal ArticleDOI
TL;DR: A microscopic pedestrian model is developed for simulating pedestrian flow through walkways with not only perpendicular corners, and results indicate that, under certain conditions, increasing the turning degree of corner has negative impact on the pedestrian queues.

Journal ArticleDOI
TL;DR: The numerical results showed that the online optimization method is capable of obtaining better material parameters during the first few seconds of a hybrid simulation, which results in more accurate nonlinear dynamic response under earthquake loading.

Journal ArticleDOI
TL;DR: The investigations clarify the influence of heat source configurations on the calculated results, thus, contribute to an improved prediction of welding-induced distortion.

Journal ArticleDOI
TL;DR: The needs and the architecture of C Sim, the development of CSim services, a modified modeling method and a novel simulation execution mode are proposed, and some guidelines of making effective use of computing resources are developed after extensive experimentation.

Journal ArticleDOI
TL;DR: The optimum design of the moulded IC encapsulation is carried out by considering the fluid/structure interaction (FSI) aspects and the optimum empirical models were tested and well confirmed with the simulation results.