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Quantification of Numerical and Modeling Errors in Simulation of Fluid Flow Through a Fixed Particle Bed

Annette Volk, Urmila Ghia, Christopher Stoltz, John Hecht, Jason Stamper
2016 Volume 1B, Symposia: Fluid Mechanics (Fundamental Issues and Perspectives; Industrial and Environmental Applications); Multiphase Flow and Systems (Multiscale Methods; Noninvasive Measurements; Numerical Methods; Heat Transfer; Performance); Transport Phenomena (Clean Energy; Mixing; Manufacturing and Materials Processing); Turbulent Flows — Issues and Perspectives; Algorithms and Applications for High Performance CFD Computation; Fluid Power; Fluid Dynamics of Wind Energy; Marine Hydrodynamics   unpublished
Three drag correlations are applied to model fluid flow through a fixed bed. The Gidaspow drag correlation is an exact representation of the Ergun equation, and shows high accuracy.  ...  A standard method of open-source granular-fluid flow simulation known as CFDEM is applied to the simulation of flow through a fixed bed.  ...  in Sections 4.4 through 4.6 and output processing of the simulation data in Section 4.7.  ... 
doi:10.1115/fedsm2016-7561 fatcat:4yhgyl5z3zcpbecbjroqjqtuhm

Research on Assembly Process Simulation of Construction Machinery Arm Based on Digital Twin

Yunxi Zhang, Gangfeng Wang, Dong Zhang, Qi Zhang
2021 Engineering Proceedings  
paper studies assembly process modeling and simulation for the construction machinery arm based on assembly sensing data and digital twin.  ...  By extracting and processing the assembly resource data and field measurement data of the machinery arm, the assembly process information database under the digital twin environment is constructed, which  ...  assembly model and assembly Sensing Data Acquisition and Digital Twin Assembly Model Construction Sensor-Oriented Digital Twin Data Acquisition and Processing on Assembly Site Field measurement data  ... 
doi:10.3390/ecsa-8-11331 fatcat:vybmlshgvjfbhfysjikawsaq2q

Measuring the Value-added of Oil Palm Products with Integrating SCOR Model and Discrete Event Simulation

Fitra Lestari, Kamariah Ismail, Abu Bakar Abdul Hamid, Wahyudi Sutupo
2014 Research Journal of Applied Sciences Engineering and Technology  
The model use tools for measuring supply chain configuration with integrating SCOR models and discrete event simulation.  ...  and its finished products are distributed to the export through the port.  ...  This model is supported by PROCESS WIZARD software and ARENA SIMULATION Software.  ... 
doi:10.19026/rjaset.8.1090 fatcat:cu3e6yuq5fdyrlpbubsmxs3e2m

Framework for the validation of simulation-based productivity analysis: focused on curtain wall construction process

Seungwoo HAN, Yong-Ho KO, Taehoon HONG, Choongwan KOO, Sangyoub LEE
2016 Journal of Civil Engineering and Management  
data as target variable; (ii) validation of the measured duration data as input variable; and (iii) validation of the simulation model compared to the actual construction process.  ...  As a result, there was no significant difference between the measured and simulated productivity.  ...  data as target variable Through the T-test results between the measured and simulated productivity in the initial simulation model, it was concluded that there was the significant difference between the  ... 
doi:10.3846/13923730.2014.992468 fatcat:rxkiuk3ah5b4xdwrekxcm2pfaq

Simulation Modelling for Automated Guided Vehicle Introduction to the Loading Process of Ro-Ro Ships

Sanghyung Park, Jeho Hwang, Hangjin Yang, Sihyun Kim
2021 Journal of Marine Science and Engineering  
The results revealed that the adaptation of the AGVs in the car-loading process of the Ro-Ro ships improves productivity and solves several problems of the current loading process.  ...  This study analyzed the applicable scenarios for the AGVs' adaptation in a Ro-Ro port, employing Arena simulation to compare the productivity of the loading processes.  ...  Acknowledgments: The authors would like to thank the anonymous reviewers and the handling editors for their constructive comments that greatly improved this article from its original form.  ... 
doi:10.3390/jmse9040441 fatcat:qdiildi56zdvxo5gkbd37fue3m

Possibilities of Multimedia in Business Process Modeling and Simulation [chapter]

Riitta Smeds, Tapio Takala, Päivi Haho, Matti Gröhn, Janne Jalkanen, Marko Nieminen, Ismo Hautala, Antti Latva-Koivisto
2000 IFIP Advances in Information and Communication Technology  
Important challenges are addressed concerning the visualization, real time interaction and telepresence in complex, group mode business process modeling and simulation for organizational learning.  ...  This paper discusses present solutions and future possibilities of multimedia in the Enterprise Simulation Laboratory at Helsinki University of Technology.  ...  The research is guided by Riitta Smeds, Head of the Enterprise Simulation Laboratory, industrial management, together with Tapio Takala, professor, telecommunication software and multimedia.  ... 
doi:10.1007/978-0-387-35506-1_2 fatcat:b32lzkanfrboznwuyrsertaxzq

Verification of a foundry-developed transistor model including measurement uncertainty

Dylan Williams, Wei Zhao, Richard A. Chamberlin, Jerome Cheron, Miguel Urteaga
2016 2016 87th ARFTG Microwave Measurement Conference (ARFTG)  
We demonstrate the propagation of correlated measurement uncertainties through the verification process, and use them to quantify the differences we observe in the measurements and models.  ...  We verify a foundry model for state-of-the-art 250 nm heterojunction bipolar transistors with large-signal measurements.  ...  ACKNOWLEDGEMENT The authors thank David Root, Masaya Iwamoto and Else Schmidt of Keysight Technologies for their insight and assistance in understanding and using the Keysight HBT models and software.  ... 
doi:10.1109/arftg.2016.7501952 fatcat:cfexrf5li5bbbfljgkkguemzbi

Performance measurement based on coloured Petri net simulation of scalable business processes

Abd. Charis Fauzan, Riyanarto Sarno, Muhammad Ainul Yaqin
2017 2017 4th International Conference on Electrical Engineering, Computer Science and Informatics (EECSI)  
This paper provides feedback to business process developers for determine appropriate business processes based on the performance through coloured petri net simulation.  ...  This paper proposed the performance measurement based on coloured petri net simulation of scalable business processes, which has purpose to compare the performance of scalable business processes.  ...  For the scenario of business process, we simulate of refueling 100 cars on basic business process (model A) and simulate on model B (two pumps), model C (six waiting spaces) and model D (faster pomp).  ... 
doi:10.1109/eecsi.2017.8239121 fatcat:ibogfg3o5jfttlv5rudjynamty

Preparing Employees for the Learning Enterprise through Simulation Games [chapter]

Sven Haferkamp, Siân Thomas, Klaus Henning
2000 IFIP Advances in Information and Communication Technology  
The aim of this paper is to present a three-level-model of learning processes within a simulation game.  ...  Simulation games can prove to increase the learning capability of groups and teams of employees, and to stimulate organisational learning processes (Heidack, 1995).  ...  This transformation process can be implemented through the rules of a board game or role-play, or through a logical model in the case of a computer-aided simulation game.  ... 
doi:10.1007/978-0-387-35506-1_15 fatcat:v4gvohcb5zhr3evbt6fiup522a

Eco-Process Innovation Performance: Production Waste Investigation through Discrete Event Simulation

S M Dahan, S M Yusof
2019 IOP Conference Series: Materials Science and Engineering  
For this purpose, the discrete event simulation approach has been applied to model and simulate the waste rate of previous state and current state of an eco-innovatively improved production line, using  ...  The study is a small part of a larger research work of which the authors are developing indicators for measuring eco-process innovation performance at the firm level.  ...  The processes cycle time were directly measured through time study conducted on all processes.  ... 
doi:10.1088/1757-899x/697/1/012001 fatcat:333i36v6yfdc3kqyxtltngz5zi

Business process simulation

Kerim Tumay
1996 Proceedings of the 28th conference on Winter simulation - WSC '96  
This introductory tutorial provides an overview of business process simulation and how it works. Descriptions of modeling elements and model performance measures are presented.  ...  Classification of business processes is followed by unique modeling, simulation procedure and analysis considerations. Types of business process simulation tools are discussed.  ...  MODELING, PROCEDURE, AND ANALYSIS CONSIDERATIONS Simulation models can provide the most accurate and insightful means to analyze and predict the performance measures of business processes.  ... 
doi:10.1145/256562.256581 fatcat:qsfc7sxzufcr5cysd6yuymb5yu

Business process simulation

Kerim Tumay
1995 Proceedings of the 27th conference on Winter simulation - WSC '95  
This introductory tutorial provides an overview of business process simulation and how it works. Descriptions of modeling elements and model performance measures are presented.  ...  Classification of business processes is followed by unique modeling, simulation procedure and analysis considerations. Types of business process simulation tools are discussed.  ...  MODELING, PROCEDURE, AND ANALYSIS CONSIDERATIONS Simulation models can provide the most accurate and insightful means to analyze and predict the performance measures of business processes.  ... 
doi:10.1145/224401.224421 fatcat:ulnjgaosivb37b6m3gnvczdluu

Simulation of a class of non-normal random processes

Kurtis R. Gurley, Ahsan Kareem, Michael A. Tognarelli
1996 International Journal of Non-Linear Mechanics  
This study addresses the simulation of a class of non-normal processes based on measured samples and sample characteristics of the system input and output.  ...  This method is able to produce simulations which closely match the sample process histogram, power spectral density, and central moments through fourth order.  ...  Acknowledyements-The support for this work was provided in part by ONR grant N00014-93-1-0761, and NSF grants CMS9402196 and CMS95-03779.  ... 
doi:10.1016/0020-7462(96)00025-x fatcat:3zpx2yzlwzbgtomkydvzrsacau

Enhancing Energy Management Of A Car Manufacturing Plant Through Modelling And Dynamic Simulation

Jouni Savolainen, Jari Lappalainen, Antti Aikala, Pekka Ruuska
2015 ECMS 2015 Proceedings edited by: Valeri M. Mladenov, Petia Georgieva, Grisha Spasov, Galidiya Petrova  
This paper presents a method for developing such prediction models through the following two steps: i) detailed dynamic first principle models are developed, ii) the detailed models are used to identify  ...  and parametrise on-line prediction models.  ...  Through an iterative process the model parameters can be adjusted and finally the simulations can predict the real system's behaviourwith required accuracy..  ... 
doi:10.7148/2015-0259 dblp:conf/ecms/SavolainenLAR15 fatcat:vl7iobazybhaffiri4iyfsrznu

The Role of Measurement Uncertainty in Achieving First-Pass Design Success

Dylan F. Williams, Richard A. Chamberlin, Wei Zhao, Jerome Cheron, Miguel E. Urteaga
2016 2016 IEEE Compound Semiconductor Integrated Circuit Symposium (CSICS)  
We develop a model for state-of-the-art 250 nm heterojunction bipolar transistors, and demonstrate the propagation of correlated measurement uncertainties through the modelextraction and verification process  ...  Index Terms-measurement uncertainty, microwave measurement, model verification, transistor model.  ...  ACKNOWLEDGMENT The authors thank David Root, Masaya Iwamoto and Else Schmidt of Keysight Technologies for their insight and assistance in teaching us how to use the Keysight HBT models and software.  ... 
doi:10.1109/csics.2016.7751072 fatcat:auy5ijcnebbfxdegsa3nl2lw4q
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